MOT Risk Index.co.uk

Daihatsu Sirion MOT pass rate and common problems

67.2% of Daihatsu Sirions passed the 2024 MOT (6,147 first tests): 60.5% at the first attempt and 6.7% after a fix at the test centre (PRS). About 2 in 5 failed the first attempt. For its age, it fails 8% less often than normal: MOT Risk Index 92.4 (95% CI 89.6–95.3; 100 = normal).

Daihatsu Sirion at a glance, 2024 MOT
MeasureValueUnitCompared withYearsTests
MOT pass rate67.2%incl. 6.7% fixed at the test centre20246147
Passed at the first attempt60.5%all first tests20246147
MOT Risk Index (95% CI 89.6–95.3)92.4index100 = normal for its age · rank 374 (tied) of 761 (1 = fails least for its age)20246147
Biggest excess: Body, chassis, structure11.4per 10011.4 same-age2019–202446528
Dangerous defects10.2per 10011.2 UK, not age-adjusted2019–202446528
Advisory items180.8per 100127.1 UK, not age-adjusted2019–202446528
strip · Daihatsu Sirion · MOT Risk Index · 92.4 vs 100 = normal · 2024
MOT Risk Index · Daihatsu Sirion. 0–240; 100 = normal for its age; median model 92.8 · rank 374 (tied) of 761 (1 = fails least for its age). It would rank between 343 and 399 anywhere within its 95% interval, other models held where they are. DVSA, 2024.
Daihatsu Sirion index position among 761 models
MeasureValueUnitCompared withYearsTests
Rank374of 761published models, 1 = fails least for its age20246147
Best rank within its 95% interval343rankother models held where they are20246147
Worst rank within its 95% interval399rankother models held where they are20246147

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Download this page's numbers (CSV) · How to cite

Data release dvsa-2024-v2 (24 Sep 2026) · full dataset (v5). This model's index changed from 99.0 to 92.4 in the 24 September 2026 release, after duplicate test records were removed.

What actually fails on a Daihatsu Sirion MOT, and how often?

Daihatsu Sirion MOTs fail most often on suspension: 25.1 per 100 tests, against 28.7 for UK cars of the same age (2019–2024, n = 46,528).

bar · Daihatsu Sirion · Suspension · 25.1 vs 28.7 · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Suspension25.1per 10028.72019–202411697
Lamps, reflectors and electrical equipment20.9per 10033.52019–20249729
Brakes14.7per 10020.32019–20246839
Body, chassis, structure11.4per 10011.42019–20245307
Visibility10.5per 10011.22019–20244882
Tyres7.4per 10010.62019–20243445

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 46,528 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Will my Daihatsu Sirion's advisory become a fail at the next MOT?

Daihatsu Sirion advisories turn into fails more often than on the median model: lamps, reflectors and electrical equipment advisories became a fail at the next MOT 24.4% of the time.

funnel · Daihatsu Sirion · Lamps, reflectors and electrical equipment · 24.4 vs median model · 2019–2024
Advisories on lamps, reflectors and electrical equipment: 24.4 of 100 became a fail on the same item at the next MOT. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Lamps, reflectors and electrical equipment24.4% next failmedian model2019–20241768
Suspension22.3% next failmedian model2019–202410531
Body, chassis, structure18.9% next failmedian model2019–20242443
Brakes14.6% next failmedian model2019–20249365
Steering11.0% next failmedian model2019–2024744
Noise, emissions and leaks9.4% next failmedian model2019–20241277
Tyres8.6% next failmedian model2019–20248176
Identification of the vehicle3.2% next failmedian model2019–20241100
Full table
Further values · 2019–2024
MeasureValueUnitCompared withYearsTests
Non-component advisories0% next failmedian model2019–20243644

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

My Daihatsu Sirion got an MOT advisory: what gets flagged most?

Daihatsu Sirion MOTs flag suspension most: 58.6 advisories per 100 tests, against 26.2 across UK tests (2019–2024, n = 46,528).

bar · Daihatsu Sirion · Suspension · 58.6 vs 26.2 · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Suspension58.6per 10026.22019–202427268
Brakes43.5per 10034.72019–202420242
Tyres37per 10039.72019–202417234
Non-component advisories12.4per 1007.82019–20245754
Body, chassis, structure10per 1004.62019–20244654
Lamps, reflectors and electrical equipment7.3per 1002.82019–20243407

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 46,528 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What is likely to fail next on a Daihatsu Sirion?

For Daihatsu Sirions aged 12 to 14 whose last MOT had an advisory, the item most likely to fail at the next MOT is suspension: 16.1% failed on it (2019–2024, n = 6,526).

bar · Daihatsu Sirion · Suspension, 9 to 11 years old, after a pass · 7.0 vs baseline · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Suspension, 9 to 11 years old, after a pass7.0% next fail2019–20242985
Visibility, 9 to 11 years old, after a pass4.8% next fail2019–20242985
Lamps, reflectors and electrical equipment, 9 to 11 years old, after a pass4.5% next fail2019–20242985
Body, chassis, structure, 9 to 11 years old, after a pass3.7% next fail2019–20242985
Brakes, 9 to 11 years old, after a pass3.6% next fail2019–20242985
Tyres, 9 to 11 years old, after a pass3.5% next fail2019–20242985
Steering, 9 to 11 years old, after a pass1.1% next fail2019–20242985
Noise, emissions and leaks, 9 to 11 years old, after a pass0.9% next fail2019–20242985
Full table
Further values · 2019–2024
MeasureValueUnitCompared withYearsTests
Seat belts and supplementary restraint systems, 9 to 11 years old, after a pass0.3% next fail2019–20242985
Suspension, 9 to 11 years old, after an advisory13.2% next fail2019–20242538
Lamps, reflectors and electrical equipment, 9 to 11 years old, after an advisory8.3% next fail2019–20242538
Brakes, 9 to 11 years old, after an advisory8.3% next fail2019–20242538
Visibility, 9 to 11 years old, after an advisory8% next fail2019–20242538
Body, chassis, structure, 9 to 11 years old, after an advisory7.5% next fail2019–20242538
Tyres, 9 to 11 years old, after an advisory4.9% next fail2019–20242538
Noise, emissions and leaks, 9 to 11 years old, after an advisory2.6% next fail2019–20242538
Steering, 9 to 11 years old, after an advisory2.2% next fail2019–20242538
Identification of the vehicle, 9 to 11 years old, after an advisory0.3% next fail2019–20242538
Seat belts and supplementary restraint systems, 9 to 11 years old, after an advisory0.3% next fail2019–20242538
Suspension, 9 to 11 years old, after a fail14.4% next fail2019–20241985
Lamps, reflectors and electrical equipment, 9 to 11 years old, after a fail12.8% next fail2019–20241985
Brakes, 9 to 11 years old, after a fail10.6% next fail2019–20241985
Body, chassis, structure, 9 to 11 years old, after a fail9.6% next fail2019–20241985
Visibility, 9 to 11 years old, after a fail9.2% next fail2019–20241985
Tyres, 9 to 11 years old, after a fail8.0% next fail2019–20241985
Noise, emissions and leaks, 9 to 11 years old, after a fail3.9% next fail2019–20241985
Steering, 9 to 11 years old, after a fail2.9% next fail2019–20241985
Seat belts and supplementary restraint systems, 9 to 11 years old, after a fail0.7% next fail2019–20241985
Suspension, 12 to 14 years old, after a pass10.3% next fail2019–20245561
Lamps, reflectors and electrical equipment, 12 to 14 years old, after a pass7.5% next fail2019–20245561
Visibility, 12 to 14 years old, after a pass6.3% next fail2019–20245561
Body, chassis, structure, 12 to 14 years old, after a pass5.2% next fail2019–20245561
Brakes, 12 to 14 years old, after a pass4.8% next fail2019–20245561
Tyres, 12 to 14 years old, after a pass3.5% next fail2019–20245561
Steering, 12 to 14 years old, after a pass2.2% next fail2019–20245561
Noise, emissions and leaks, 12 to 14 years old, after a pass2.0% next fail2019–20245561
Seat belts and supplementary restraint systems, 12 to 14 years old, after a pass0.5% next fail2019–20245561
Identification of the vehicle, 12 to 14 years old, after a pass0.2% next fail2019–20245561
Suspension, 12 to 14 years old, after an advisory16.1% next fail2019–20246526
Lamps, reflectors and electrical equipment, 12 to 14 years old, after an advisory13.6% next fail2019–20246526
Visibility, 12 to 14 years old, after an advisory9.7% next fail2019–20246526
Brakes, 12 to 14 years old, after an advisory8.9% next fail2019–20246526
Body, chassis, structure, 12 to 14 years old, after an advisory8.8% next fail2019–20246526
Tyres, 12 to 14 years old, after an advisory5.2% next fail2019–20246526
Steering, 12 to 14 years old, after an advisory3.7% next fail2019–20246526
Noise, emissions and leaks, 12 to 14 years old, after an advisory3.1% next fail2019–20246526
Seat belts and supplementary restraint systems, 12 to 14 years old, after an advisory0.9% next fail2019–20246526
Identification of the vehicle, 12 to 14 years old, after an advisory0.3% next fail2019–20246526
Suspension, 12 to 14 years old, after a fail19.5% next fail2019–20245639
Lamps, reflectors and electrical equipment, 12 to 14 years old, after a fail17.7% next fail2019–20245639
Brakes, 12 to 14 years old, after a fail11.9% next fail2019–20245639
Body, chassis, structure, 12 to 14 years old, after a fail10.7% next fail2019–20245639
Visibility, 12 to 14 years old, after a fail10.5% next fail2019–20245639
Tyres, 12 to 14 years old, after a fail6.9% next fail2019–20245639
Steering, 12 to 14 years old, after a fail5.6% next fail2019–20245639
Noise, emissions and leaks, 12 to 14 years old, after a fail5.0% next fail2019–20245639
Seat belts and supplementary restraint systems, 12 to 14 years old, after a fail1.2% next fail2019–20245639
Identification of the vehicle, 12 to 14 years old, after a fail0.5% next fail2019–20245639
Suspension, 15 to 19 years old, after a pass13.9% next fail2019–20242764
Lamps, reflectors and electrical equipment, 15 to 19 years old, after a pass11.2% next fail2019–20242764
Brakes, 15 to 19 years old, after a pass7.0% next fail2019–20242764
Body, chassis, structure, 15 to 19 years old, after a pass6.8% next fail2019–20242764
Visibility, 15 to 19 years old, after a pass6.2% next fail2019–20242764
Tyres, 15 to 19 years old, after a pass4.0% next fail2019–20242764
Noise, emissions and leaks, 15 to 19 years old, after a pass3.3% next fail2019–20242764
Steering, 15 to 19 years old, after a pass3.1% next fail2019–20242764
Seat belts and supplementary restraint systems, 15 to 19 years old, after a pass1.3% next fail2019–20242764
Identification of the vehicle, 15 to 19 years old, after a pass0.2% next fail2019–20242764
Suspension, 15 to 19 years old, after an advisory20.9% next fail2019–20243815
Lamps, reflectors and electrical equipment, 15 to 19 years old, after an advisory18.0% next fail2019–20243815
Body, chassis, structure, 15 to 19 years old, after an advisory10.6% next fail2019–20243815
Visibility, 15 to 19 years old, after an advisory9.9% next fail2019–20243815
Brakes, 15 to 19 years old, after an advisory9.5% next fail2019–20243815
Tyres, 15 to 19 years old, after an advisory5.5% next fail2019–20243815
Steering, 15 to 19 years old, after an advisory5.5% next fail2019–20243815
Noise, emissions and leaks, 15 to 19 years old, after an advisory5.2% next fail2019–20243815
Seat belts and supplementary restraint systems, 15 to 19 years old, after an advisory1.9% next fail2019–20243815
Identification of the vehicle, 15 to 19 years old, after an advisory0.4% next fail2019–20243815
Suspension, 15 to 19 years old, after a fail24.9% next fail2019–20244031
Lamps, reflectors and electrical equipment, 15 to 19 years old, after a fail22.7% next fail2019–20244031
Brakes, 15 to 19 years old, after a fail13.2% next fail2019–20244031
Body, chassis, structure, 15 to 19 years old, after a fail13.1% next fail2019–20244031
Visibility, 15 to 19 years old, after a fail11.5% next fail2019–20244031
Noise, emissions and leaks, 15 to 19 years old, after a fail7.8% next fail2019–20244031
Tyres, 15 to 19 years old, after a fail7.0% next fail2019–20244031
Steering, 15 to 19 years old, after a fail6.7% next fail2019–20244031
Seat belts and supplementary restraint systems, 15 to 19 years old, after a fail2.9% next fail2019–20244031
Identification of the vehicle, 15 to 19 years old, after a fail0.7% next fail2019–20244031
Suspension, 20 years or older, after a pass (rough estimate: 325 cars)19.7% next fail2019–2024325
Body, chassis, structure, 20 years or older, after a pass (rough estimate: 325 cars)16.9% next fail2019–2024325
Lamps, reflectors and electrical equipment, 20 years or older, after a pass (rough estimate: 325 cars)13.5% next fail2019–2024325
Brakes, 20 years or older, after a pass (rough estimate: 325 cars)8% next fail2019–2024325
Noise, emissions and leaks, 20 years or older, after a pass (rough estimate: 325 cars)6.5% next fail2019–2024325
Visibility, 20 years or older, after a pass (rough estimate: 325 cars)6.2% next fail2019–2024325
Tyres, 20 years or older, after a pass (rough estimate: 325 cars)4.9% next fail2019–2024325
Seat belts and supplementary restraint systems, 20 years or older, after a pass (rough estimate: 325 cars)2.8% next fail2019–2024325
Suspension, 20 years or older, after an advisory (rough estimate: 349 cars)28.9% next fail2019–2024349
Body, chassis, structure, 20 years or older, after an advisory (rough estimate: 349 cars)23.5% next fail2019–2024349
Lamps, reflectors and electrical equipment, 20 years or older, after an advisory (rough estimate: 349 cars)15.8% next fail2019–2024349
Brakes, 20 years or older, after an advisory (rough estimate: 349 cars)10.6% next fail2019–2024349
Visibility, 20 years or older, after an advisory (rough estimate: 349 cars)9.5% next fail2019–2024349
Noise, emissions and leaks, 20 years or older, after an advisory (rough estimate: 349 cars)9.2% next fail2019–2024349
Tyres, 20 years or older, after an advisory (rough estimate: 349 cars)5.4% next fail2019–2024349
Seat belts and supplementary restraint systems, 20 years or older, after an advisory (rough estimate: 349 cars)3.7% next fail2019–2024349
Steering, 20 years or older, after an advisory (rough estimate: 349 cars)1.7% next fail2019–2024349
Suspension, 20 years or older, after a fail (rough estimate: 494 cars)26.5% next fail2019–2024494
Body, chassis, structure, 20 years or older, after a fail (rough estimate: 494 cars)24.9% next fail2019–2024494
Lamps, reflectors and electrical equipment, 20 years or older, after a fail (rough estimate: 494 cars)18.6% next fail2019–2024494
Brakes, 20 years or older, after a fail (rough estimate: 494 cars)15.6% next fail2019–2024494
Noise, emissions and leaks, 20 years or older, after a fail (rough estimate: 494 cars)14.8% next fail2019–2024494
Visibility, 20 years or older, after a fail (rough estimate: 494 cars)9.3% next fail2019–2024494
Tyres, 20 years or older, after a fail (rough estimate: 494 cars)8.1% next fail2019–2024494
Seat belts and supplementary restraint systems, 20 years or older, after a fail (rough estimate: 494 cars)7.3% next fail2019–2024494
Steering, 20 years or older, after a fail (rough estimate: 494 cars)3.2% next fail2019–2024494
Identification of the vehicle, 20 years or older, after a fail (rough estimate: 494 cars)1.2% next fail2019–2024494

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How often does a Daihatsu Sirion get a dangerous MOT defect?

The Daihatsu Sirion gets a dangerous defect about as often as the UK average: 10.2 per 100 first tests against 11.2 across the UK. In the same tests, 69.2 major and 22.8 minor defects were recorded per 100 tests (one test can record several).

bullet · Daihatsu Sirion · Dangerous defects · 10.2 vs 11.2 · 2019–2024
Dangerous defects: 10.2 vs 11.2. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Dangerous defects10.2per 10011.22019–202446528

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 46,528 (initial tests) · Method: one initial test per test_id; severity not recorded for some 2018–2021 tests · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Will my Daihatsu Sirion still pass its MOT in a few years?

First-time MOT failures for the Daihatsu Sirion go from 29.4% at age 14 (rough estimate: 109 tests, 95% interval 21.6–38.5%) to 42.3% at age 19, against 43.5% for all cars aged 19 (2024, n = 6,147).

line · Daihatsu Sirion · Age 14 (rough estimate: 109 tests, 95% interval 21.6–38.5%) · 29.4 vs 40.4 · 2024
Age 14 (rough esti: 29.4. Age 19: 42.3. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 14 (rough estimate: 109 tests, 95% interval 21.6–38.5%)29.4% failed first time40.42024109
Age 1535.1% failed first time41.62024901
Age 1638.1% failed first time43.120241827
Age 1740.1% failed first time43.120241344
Age 1842.8% failed first time43.92024708
Age 1942.3% failed first time43.52024719

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does the Daihatsu Sirion compare with cars of its own age and size?

At every age shown, Daihatsu Sirions fail first time no more often than comparable models of the same size class; the biggest difference is at age 11, where they fail less often: 27.2% against 38.7% (2024, n = 3,623).

line · Daihatsu Sirion · Age 10 · 26.3 vs 35.6 · 2024
Age 10: 26.3. Age 20: 45.3. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 1026.3% fail35.620241230
Age 1127.2% fail38.720243623
Age 1230.1% fail41.320245413
Age 1331.8% fail43.320246297
Age 1434% fail45.120247235
Age 1536.0% fail46.320246822
Age 1638.7% fail47.420245745
Age 1740.5% fail47.820243809
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 1842.0% fail4820242319
Age 1942.5% fail47.720241524
Age 2045.3% fail47.42024817

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which Daihatsu Sirion years should I avoid?

The Daihatsu Sirion build year that fails most for its age is 2005: index 104.8 (95% CI 100.5–109.1) against the model's own age norm of 100 (2019–2024, n = 5,804).

Build year matters for the Daihatsu Sirion: 2005 Daihatsu Sirions fail more than their age would predict, 2009 ones less. Years whose confidence interval includes normal are shown without a label.

bar · Daihatsu Sirion · Build year 2001 (rough estimate: 358 tests, 95% interval 92.5–125.2) · 108.8 vs 100 = normal · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Build year 2001 (rough estimate: 358 tests, 95% interval 92.5–125.2)108.8index vs own age100 = normal2019–2024358
Build year 2002 (rough estimate: 799 tests, 95% interval 87.1–108.1)97.6index vs own age100 = normal2019–2024799
Build year 2003 (rough estimate: 880 tests, 95% interval 88.3–108.7)98.5index vs own age100 = normal2019–2024880
Build year 2004 (rough estimate: 847 tests, 95% interval 93.9–115.8)104.8index vs own age100 = normal2019–2024847
Build year 2005 (worse for its age)104.8index vs own age100 = normal2019–20245804
Build year 2006102index vs own age100 = normal2019–20245690
Build year 200799.9index vs own age100 = normal2019–202410014
Build year 200898.4index vs own age100 = normal2019–202412903
Full table
Further values · 2019–2024
MeasureValueUnitCompared withYearsTests
Build year 2009 (better for its age)95.2index vs own age100 = normal2019–20245986
Build year 2010 (rough estimate: 573 tests, 95% interval 80.2–109.8)95index vs own age100 = normal2019–2024573

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How much does it cost to fix a Daihatsu Sirion MOT fail?

Expected repair cost per Daihatsu Sirion MOT: about £103 (up to about £196 if more expensive parts are needed), from the chance of failing each item and its most common UK repair price (catalogue estimate, n = 6,147).

Computed, not measured.

bar · Daihatsu Sirion · Expected repair bill · 103.2 vs modal price catalogue · price catalogue
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (price catalogue)
MeasureValueUnitCompared withYearsTests
Expected repair bill103.2GBP estimatemodal price catalogueprice catalogue6147
Estimated range lower103.2GBP estimatemodal price catalogueprice catalogue6147
Estimated range upper196.0GBP estimatemodal price catalogueprice catalogue6147
Suspension: Suspension coil spring (single corner)45.2GBP expected contribution180price catalogue6147
Lamps, reflectors and electrical equipment: Battery replacement (standard 12V lead-acid)29.3GBP expected contribution140price catalogue6147
Brakes: Front brake pads (parts + labour, typical hatchback)22.1GBP expected contribution150price catalogue6147
Tyres: Tyre (single mid-range 16" fitted)6.7GBP expected contribution90price catalogue6147

Source: DVSA MOT bulk data · Window: price catalogue · n = 6,147 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is the Daihatsu Sirion more reliable than similar cars?

Of 8 similar models, 3 fail less often for their age than the Daihatsu Sirion and 5 as often or more. The Daihatsu Sirion has an MOT Risk Index of 92.4, where 100 = normal for its age (2024, n = 6,147).

bar · Daihatsu Sirion · Daihatsu Sirion (this model) · 92.4 vs 100 = normal · 2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Daihatsu Sirion (this model)92.4index100 = normal20246147
Abarth 50094.5index92.420245446
Volkswagen Lupo98.6index92.420245995
Cupra Formentor84.9index92.420246920
Mitsubishi Eclipse86.2index92.420249601
Infiniti Q3083.5index92.420244866
Toyota Starlet97.5index92.420243215
Audi A2105.4index92.420246353
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Peugeot RCZ101.3index92.4202410827

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How many miles does a Daihatsu Sirion normally do?

At age 17, the median Daihatsu Sirion had covered 70,555 miles by its MOT; the middle half ranged from 50,282 to 90,930 miles (2024, n = 1,344).

line · Daihatsu Sirion · Age 14 median (rough estimate) · 60686 vs baseline · 2024
Age 14 median (rou: 60686. Age 19 P75: 95712. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 14 median (rough estimate)60686miles2024109
Age 14 P25 (rough estimate)45394miles2024109
Age 14 P75 (rough estimate)84969miles2024109
Age 15 median65762miles2024901
Age 15 P2543889miles2024901
Age 15 P7587900miles2024901
Age 16 median67493miles20241827
Age 16 P2548778miles20241827
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 16 P7589423miles20241827
Age 17 median70555miles20241344
Age 17 P2550282miles20241344
Age 17 P7590930miles20241344
Age 18 median72693miles2024708
Age 18 P2553128miles2024708
Age 18 P7595414miles2024708
Age 19 median74216miles2024719
Age 19 P2555383miles2024719
Age 19 P7595712miles2024719

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does high mileage mean more Daihatsu Sirion MOT failures at the same age?

At ages 15+, 23.7% of Daihatsu Sirions with under 40,000 miles failed first time, against 50.7% of those with over 140,000 miles (2024, n = 1,014). Inside this age group, higher mileage goes with more failures.

bar · Daihatsu Sirion · Age 15+, <40k miles · 23.7 vs baseline · 2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 15+, <40k miles23.7% failed first time2024866
Age 15+, 40-70k miles35.9% failed first time20242184
Age 15+, 70-100k miles45.8% failed first time20241912
Age 15+, 100-140k miles49.4% failed first time2024857
Age 15+, 140k+ miles (rough estimate: 148 tests, 95% interval 42.7–58.6%)50.7% failed first time2024148

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How many miles does a Daihatsu Sirion last?

13.0% of Daihatsu Sirions tested had reached 100,000 miles, and 1.1% had reached 150,000 (2024, n = 6,034).

line · Daihatsu Sirion · 100,000 miles · 13.0 vs baseline · 2024
100,000 miles: 13.0. 200,000 miles (rou: 0.1. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
100,000 miles13.0% of tested cars20246034
150,000 miles1.1% of tested cars2024534
200,000 miles (rough estimate: 44 tests, 95% interval 0.1–0.1%)0.1% of tested cars202444

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is the Daihatsu Sirion driven more or less than average, and does that change the picture?

Matched on annual mileage as well as age, the Daihatsu Sirion index is 94.0, against 83.2 on age alone (2019–2024, n = 6,147).

slope · Daihatsu Sirion · Age and mileage adjusted index · 94 vs 83.2 · 2019–2024
Age and mileage adjusted index: 83.2 vs 94. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Age and mileage adjusted index94index83.22019–20246147

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which Daihatsu Sirion fuel fails its MOT less?

All Daihatsu Sirions tested were petrol: 39.5% failed first time (2024, n = 6,146).

bar · Daihatsu Sirion · Petrol · 39.5 vs other fuels · 2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Petrol39.5% fail first timeother fuels20246146

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which Daihatsu Sirion engine is best?

No Daihatsu Sirion engine band clearly fails less or more for its age: the capacity bands are within 5 index points of each other or their 95% intervals overlap (2024, n = 6,147).

bar · Daihatsu Sirion · Petrol 1.2–1.5 litre · 98.4 vs 100 = model average · 2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Petrol 1.2–1.5 litre98.4index vs model norm100 = model average202426365
Petrol under 1.0 litre102.3index vs model norm100 = model average202420067

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Where in Britain does the Daihatsu Sirion fail its MOT most?

Daihatsu Sirion fails first-time MOTs most in Dundee (DD): 54.3% against 35.1% across Britain for this model, both 2019–2024 (2024, n = 164).

First-time failure rates for the Daihatsu Sirion range from 27.2% in the Croydon (CR) postcode area to 45.2% in the Plymouth (PL) postcode area, before allowing for age: a wider spread by area than for the typical model.

map · Daihatsu Sirion · Dundee (DD) (rough estimate: 164 tests, 95% interval 46.6–61.7%) · 54.3 vs 39.5 · 2024
Scotland. N. England. Wales. London. S. West. % failing. 28%. 45%. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Dundee (DD) (rough estimate: 164 tests, 95% interval 46.6–61.7%)54.3% fail first time39.52024164
Aberdeen (AB) (rough estimate: 128 tests, 95% interval 41.5–58.5%)50% fail first time39.52024128
Carlisle (CA) (rough estimate: 125 tests, 95% interval 41.0–58.2%)49.6% fail first time39.52024125
St Albans (AL) (rough estimate: 247 tests, 95% interval 15.0–24.8%)19.4% fail first time39.52024247
Sutton (SM) (rough estimate: 107 tests, 95% interval 15.6–31.2%)22.4% fail first time39.52024107
Ilford (IG) (rough estimate: 324 tests, 95% interval 19.7–29.0%)24.1% fail first time39.52024324
Edinburgh (EH) (rough estimate: 181 tests, 95% interval 42.0–56.4%)49.2% fail first time39.52024181
Kilmarnock (KA) (rough estimate: 251 tests, 95% interval 42.1–54.4%)48.2% fail first time39.52024251
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Cleveland (TS) (rough estimate: 177 tests, 95% interval 40.8–55.3%)48.0% fail first time39.52024177
Lancaster (LA) (rough estimate: 152 tests, 95% interval 39.0–54.6%)46.7% fail first time39.52024152
Truro (TR) (rough estimate: 309 tests, 95% interval 40.8–51.9%)46.3% fail first time39.52024309
Kirkcaldy (KY) (rough estimate: 129 tests, 95% interval 37.4–54.3%)45.7% fail first time39.52024129
Paisley (PA) (rough estimate: 230 tests, 95% interval 39.3–52.1%)45.6% fail first time39.52024230
Plymouth (PL)45.2% fail first time39.52024531
Salisbury (SP) (rough estimate: 202 tests, 95% interval 38.3–51.9%)45.0% fail first time39.52024202
York (YO)44.6% fail first time39.52024509
Swansea (SA)42.1% fail first time39.52024591
Warrington (WA) (rough estimate: 178 tests, 95% interval 34.6–48.9%)41.6% fail first time39.52024178
Stoke-on-Trent (ST) (rough estimate: 440 tests, 95% interval 36.6–45.8%)41.1% fail first time39.52024440
Bath (BA) (rough estimate: 460 tests, 95% interval 36.7–45.6%)41.1% fail first time39.52024460
Leeds (LS)40.5% fail first time39.52024555
Bradford (BD) (rough estimate: 435 tests, 95% interval 35.5–44.7%)40% fail first time39.52024435
Wigan (WN) (rough estimate: 148 tests, 95% interval 31.7–47.2%)39.2% fail first time39.52024148
Wakefield (WF) (rough estimate: 319 tests, 95% interval 34.0–44.6%)39.2% fail first time39.52024319
Cardiff (CF)39.1% fail first time39.52024701
Newport (NP)39.1% fail first time39.520241044
Hereford (HR) (rough estimate: 217 tests, 95% interval 32.5–45.3%)38.7% fail first time39.52024217
Northampton (NN) (rough estimate: 466 tests, 95% interval 33.9–42.7%)38.2% fail first time39.52024466
Exeter (EX)38.1% fail first time39.52024860
Glasgow (G) (rough estimate: 312 tests, 95% interval 32.9–43.6%)38.1% fail first time39.52024312
Milton Keynes (MK) (rough estimate: 425 tests, 95% interval 33.6–42.8%)38.1% fail first time39.52024425
Blackpool (FY) (rough estimate: 232 tests, 95% interval 31.9–44.3%)37.9% fail first time39.52024232
Nottingham (NG)37.9% fail first time39.520241344
Lincoln (LN) (rough estimate: 407 tests, 95% interval 33.3–42.6%)37.8% fail first time39.52024407
Chester (CH) (rough estimate: 275 tests, 95% interval 32.3–43.7%)37.8% fail first time39.52024275
Dumfries (DG) (rough estimate: 114 tests, 95% interval 29.4–46.9%)37.7% fail first time39.52024114
Doncaster (DN) (rough estimate: 441 tests, 95% interval 33.0–42.0%)37.4% fail first time39.52024441
Bristol (BS)37.2% fail first time39.520241112
Oxford (OX) (rough estimate: 446 tests, 95% interval 32.9–41.8%)37.2% fail first time39.52024446
Wolverhampton (WV) (rough estimate: 344 tests, 95% interval 32.3–42.4%)37.2% fail first time39.52024344
Darlington (DL) (rough estimate: 191 tests, 95% interval 30.6–44.2%)37.2% fail first time39.52024191
Sheffield (S)37.1% fail first time39.52024808
Stockport (SK) (rough estimate: 332 tests, 95% interval 32.0–42.4%)37.0% fail first time39.52024332
Harrow (HA) (rough estimate: 235 tests, 95% interval 31.1–43.4%)37.0% fail first time39.52024235
Southampton (SO) (rough estimate: 440 tests, 95% interval 32.4–41.4%)36.8% fail first time39.52024440
Luton (LU) (rough estimate: 182 tests, 95% interval 30.1–44.0%)36.8% fail first time39.52024182
Portsmouth (PO)36.8% fail first time39.52024881
Swindon (SN) (rough estimate: 462 tests, 95% interval 32.3–41.1%)36.6% fail first time39.52024462
Bournemouth (BH) (rough estimate: 442 tests, 95% interval 32.1–41.0%)36.4% fail first time39.52024442
Uxbridge (UB) (rough estimate: 235 tests, 95% interval 30.3–42.5%)36.2% fail first time39.52024235
Llandudno (LL) (rough estimate: 316 tests, 95% interval 31.0–41.5%)36.1% fail first time39.52024316
Walsall (WS) (rough estimate: 303 tests, 95% interval 30.8–41.5%)36.0% fail first time39.52024303
Twickenham (TW) (rough estimate: 242 tests, 95% interval 30.2–42.2%)36.0% fail first time39.52024242
Liverpool (L) (rough estimate: 323 tests, 95% interval 30.9–41.3%)35.9% fail first time39.52024323
London SW (SW) (rough estimate: 179 tests, 95% interval 29.1–43.0%)35.8% fail first time39.52024179
Worcester (WR) (rough estimate: 361 tests, 95% interval 30.7–40.5%)35.5% fail first time39.52024361
Shrewsbury (SY) (rough estimate: 435 tests, 95% interval 31.1–40.0%)35.4% fail first time39.52024435
Tonbridge (TN)35.4% fail first time39.52024758
Telford (TF) (rough estimate: 184 tests, 95% interval 28.8–42.5%)35.3% fail first time39.52024184
Torquay (TQ)35.3% fail first time39.52024768
Manchester (M)35.3% fail first time39.52024678
Medway (ME) (rough estimate: 350 tests, 95% interval 30.3–40.3%)35.1% fail first time39.52024350
Coventry (CV)34.9% fail first time39.52024756
Chelmsford (CM) (rough estimate: 275 tests, 95% interval 29.5–40.7%)34.9% fail first time39.52024275
London N (N) (rough estimate: 343 tests, 95% interval 29.8–39.9%)34.7% fail first time39.52024343
Newcastle (NE) (rough estimate: 447 tests, 95% interval 30.2–39.0%)34.5% fail first time39.52024447
Hull (HU) (rough estimate: 499 tests, 95% interval 30.2–38.5%)34.3% fail first time39.52024499
London E (E) (rough estimate: 395 tests, 95% interval 29.4–38.7%)33.9% fail first time39.52024395
Bolton (BL) (rough estimate: 260 tests, 95% interval 28.4–39.8%)33.9% fail first time39.52024260
Norwich (NR)33.8% fail first time39.52024876
Canterbury (CT)33.4% fail first time39.52024655
Cambridge (CB) (rough estimate: 309 tests, 95% interval 28.3–38.8%)33.3% fail first time39.52024309
Southend-on-Sea (SS) (rough estimate: 168 tests, 95% interval 26.6–40.8%)33.3% fail first time39.52024168
Derby (DE) (rough estimate: 496 tests, 95% interval 28.9–37.1%)32.9% fail first time39.52024496
London W (W) (rough estimate: 101 tests, 95% interval 24.3–42.3%)32.7% fail first time39.52024101
Dartford (DA) (rough estimate: 182 tests, 95% interval 26.0–39.5%)32.4% fail first time39.52024182
Colchester (CO)32.4% fail first time39.52024580
London NW (NW) (rough estimate: 380 tests, 95% interval 27.6–37.0%)32.1% fail first time39.52024380
Brighton (BN)31.9% fail first time39.520241399
Gloucester (GL)31.9% fail first time39.52024951
Leicester (LE)31.9% fail first time39.520241055
Taunton (TA)31.8% fail first time39.52024685
Oldham (OL) (rough estimate: 344 tests, 95% interval 26.7–36.5%)31.4% fail first time39.52024344
Huddersfield (HD) (rough estimate: 324 tests, 95% interval 26.1–36.1%)30.9% fail first time39.52024324
Blackburn (BB) (rough estimate: 394 tests, 95% interval 26.4–35.4%)30.7% fail first time39.52024394
Ipswich (IP)30.7% fail first time39.520241023
London SE (SE) (rough estimate: 398 tests, 95% interval 26.3–35.3%)30.6% fail first time39.52024398
Birmingham (B)30.6% fail first time39.520241257
Dorchester (DT) (rough estimate: 218 tests, 95% interval 24.6–36.7%)30.3% fail first time39.52024218
Reading (RG) (rough estimate: 470 tests, 95% interval 26.2–34.5%)30.2% fail first time39.52024470
Peterborough (PE)30.1% fail first time39.520241271
Watford (WD) (rough estimate: 210 tests, 95% interval 24.2–36.5%)30% fail first time39.52024210
Bromley (BR) (rough estimate: 115 tests, 95% interval 22.0–38.5%)29.6% fail first time39.52024115
Preston (PR) (rough estimate: 378 tests, 95% interval 24.5–33.6%)28.8% fail first time39.52024378
Guildford (GU)28.4% fail first time39.52024575
Hemel Hempstead (HP) (rough estimate: 420 tests, 95% interval 23.8–32.3%)27.9% fail first time39.52024420
Stevenage (SG) (rough estimate: 228 tests, 95% interval 22.2–33.8%)27.6% fail first time39.52024228
Croydon (CR)27.2% fail first time39.52024514
Dudley (DY) (rough estimate: 349 tests, 95% interval 22.8–32.1%)27.2% fail first time39.52024349
Redhill (RH) (rough estimate: 414 tests, 95% interval 23.0–31.5%)27.1% fail first time39.52024414
Crewe (CW) (rough estimate: 264 tests, 95% interval 21.9–32.5%)26.9% fail first time39.52024264
Romford (RM) (rough estimate: 222 tests, 95% interval 20.8–32.3%)26.1% fail first time39.52024222
Slough (SL) (rough estimate: 277 tests, 95% interval 21.2–31.5%)26.0% fail first time39.52024277
Kingston upon Thames (KT) (rough estimate: 336 tests, 95% interval 20.4–29.6%)24.7% fail first time39.52024336
Enfield (EN) (rough estimate: 237 tests, 95% interval 19.4–30.3%)24.5% fail first time39.52024237

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does a Daihatsu Sirion rust more than average?

Allowing for age, Daihatsu Sirion MOTs record corrosion failures at 16.4 times the national rate: 12.55% of tests against 0.77% (2024 + geographic layers, n = 6,079).

Computed, not measured.

slope · Daihatsu Sirion · Salt belt susceptibility · 16.4 vs 1 · 2024 + geographic layers
Salt belt susceptibility: 1 vs 16.4. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024 + geographic layers)
MeasureValueUnitCompared withYearsTests
Salt belt susceptibility16.4ratio estimate12024 + geographic layers6079

Source: DVSA MOT bulk data · Window: 2024 + geographic layers · n = 6,147 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is a Daihatsu Sirion ULEZ compliant?

An estimated 80.5% of Daihatsu Sirions tested are likely ULEZ-compliant, judged from fuel type and first-use date; check a specific car with TfL's vehicle checker (2024).

Computed, not measured.

stacked · Daihatsu Sirion · Likely compliant · 80.5 vs baseline · 2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Likely compliant80.5% estimate20246147

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What do six years of MOTs show about owning a Daihatsu Sirion?

Of failed Daihatsu Sirion MOTs, 35.6% were retested the same day and a further 60.3% within 10 days; the median failed car passed its retest after 1 day (2019–2024, n = 11,003).

bar · Daihatsu Sirion · Same-day retest · 35.6 vs failed initial tests · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Same-day retest35.6%failed initial tests2019–202411003
Retest within 10 days60.3%failed initial tests2019–202411003
Clean MOT streak25.2%observed chains2019–20248100
Repeat advisory48.3%observed chains2019–20248100
Decreasing odometer2.2% mileage anomalyobserved chains2019–20248856

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is low mileage better for a Daihatsu Sirion?

Daihatsu Sirions aged 12 to 14 doing under 5,000 miles a year failed first time in 24.6% of tests, against 49.1% for those doing 8,000 to 12,000 miles (2019–2024, n = 10,530).

bullet · Daihatsu Sirion · Low-use first-time failure · 24.6 vs 49.1 · 2019–2024
Low-use first-time failure: 24.6 vs 49.1. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Low-use first-time failure24.6%49.12019–202410530
Low-use gap-24.5percentage points8–12k miles2019–202410530

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

If a Daihatsu Sirion fails, does it fail again?

36.6% of Daihatsu Sirions that failed an MOT failed the next one too, against 30.8% after a pass (2019–2024, n = 3,632). The failure most likely to come back is ‘lamps, reflectors and electrical equipment’: 35.0% of those fails recurred at the next MOT.

bullet · Daihatsu Sirion · Repeat after fail · 36.6 vs 30.8 · 2019–2024
Repeat after fail: 36.6 vs 30.8. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Repeat after fail36.6%30.82019–20243632

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which Daihatsu Sirion faults come together?

On Daihatsu Sirions, ‘body, chassis, structure’ and ‘noise, emissions and leaks’ failures turn up together 5.1 times as often as chance would predict (2024, n = 839).

Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Body, chassis, structure + Noise, emissions and leaks5.1liftexpected joint rate2024839
Noise, emissions and leaks + Seat belts and supplementary restraint systems (rough estimate: 103 tests, 95% interval 3.6–5.3)4.4liftexpected joint rate2024103
Identification of the vehicle + Noise, emissions and leaks (rough estimate: 29 tests, 95% interval 2.8–6.0)4.2liftexpected joint rate202429
Identification of the vehicle + Lamps, reflectors and electrical equipment (rough estimate: 79 tests, 95% interval 2.8–4.4)3.6liftexpected joint rate202479
Identification of the vehicle + Tyres (rough estimate: 33 tests, 95% interval 2.4–4.9)3.5liftexpected joint rate202433
Seat belts and supplementary restraint systems + Suspension (rough estimate: 315 tests, 95% interval 3.1–3.8)3.4liftexpected joint rate2024315
Brakes + Noise, emissions and leaks (rough estimate: 499 tests, 95% interval 2.8–3.3)3.1liftexpected joint rate2024499
Body, chassis, structure + Identification of the vehicle (rough estimate: 46 tests, 95% interval 2.2–4.1)3.1liftexpected joint rate202446
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Lamps, reflectors and electrical equipment + Noise, emissions and leaks3.0liftexpected joint rate2024731
Brakes + Seat belts and supplementary restraint systems (rough estimate: 150 tests, 95% interval 2.5–3.5)3.0liftexpected joint rate2024150
Identification of the vehicle + Visibility (rough estimate: 41 tests, 95% interval 2.0–3.8)2.8liftexpected joint rate202441
Brakes + Suspension2.8liftexpected joint rate20241782
Lamps, reflectors and electrical equipment + Seat belts and supplementary restraint systems (rough estimate: 209 tests, 95% interval 2.4–3.2)2.8liftexpected joint rate2024209
Brakes + Tyres2.7liftexpected joint rate2024603
Lamps, reflectors and electrical equipment + Steering2.7liftexpected joint rate2024574
Identification of the vehicle + Suspension (rough estimate: 74 tests, 95% interval 2.1–3.4)2.7liftexpected joint rate202474
Noise, emissions and leaks + Tyres (rough estimate: 277 tests, 95% interval 2.4–3.0)2.7liftexpected joint rate2024277
Steering + Suspension2.7liftexpected joint rate2024691
Body, chassis, structure + Seat belts and supplementary restraint systems (rough estimate: 134 tests, 95% interval 2.2–3.1)2.6liftexpected joint rate2024134
Seat belts and supplementary restraint systems + Visibility (rough estimate: 129 tests, 95% interval 2.2–3.1)2.6liftexpected joint rate2024129
Brakes + Lamps, reflectors and electrical equipment2.6liftexpected joint rate20241363
Lamps, reflectors and electrical equipment + Visibility2.6liftexpected joint rate20241312
Noise, emissions and leaks + Suspension2.6liftexpected joint rate2024761
Lamps, reflectors and electrical equipment + Tyres2.5liftexpected joint rate2024825
Brakes + Identification of the vehicle (rough estimate: 37 tests, 95% interval 1.7–3.4)2.5liftexpected joint rate202437
Tyres + Visibility2.5liftexpected joint rate2024524
Lamps, reflectors and electrical equipment + Suspension2.4liftexpected joint rate20242313
Body, chassis, structure + Brakes2.4liftexpected joint rate2024864
Noise, emissions and leaks + Visibility (rough estimate: 378 tests, 95% interval 2.2–2.6)2.4liftexpected joint rate2024378
Suspension + Tyres2.3liftexpected joint rate2024929
Noise, emissions and leaks + Steering (rough estimate: 153 tests, 95% interval 2.0–2.7)2.3liftexpected joint rate2024153
Body, chassis, structure + Lamps, reflectors and electrical equipment2.3liftexpected joint rate20241208
Body, chassis, structure + Steering (rough estimate: 322 tests, 95% interval 2.0–2.5)2.3liftexpected joint rate2024322
Brakes + Visibility2.2liftexpected joint rate2024761
Steering + Tyres (rough estimate: 197 tests, 95% interval 1.9–2.5)2.2liftexpected joint rate2024197
Body, chassis, structure + Tyres (rough estimate: 487 tests, 95% interval 2.0–2.4)2.2liftexpected joint rate2024487
Body, chassis, structure + Suspension2.2liftexpected joint rate20241409
Brakes + Steering (rough estimate: 311 tests, 95% interval 1.9–2.4)2.2liftexpected joint rate2024311
Seat belts and supplementary restraint systems + Steering (rough estimate: 44 tests, 95% interval 1.6–2.9)2.1liftexpected joint rate202444
Suspension + Visibility2.0liftexpected joint rate20241266
Steering + Visibility (rough estimate: 276 tests, 95% interval 1.8–2.3)2.0liftexpected joint rate2024276
Body, chassis, structure + Visibility2.0liftexpected joint rate2024670
Seat belts and supplementary restraint systems + Tyres (rough estimate: 59 tests, 95% interval 1.4–2.4)1.9liftexpected joint rate202459
Road Wheels + Suspension (seen together; too few for a multiplier)16tests with both202416
Identification of the vehicle + Steering (seen together; too few for a multiplier)16tests with both202416
Brakes + Road Wheels (seen together; too few for a multiplier)9tests with both20249
Lamps, reflectors and electrical equipment + Road Wheels (seen together; too few for a multiplier)9tests with both20249
Road Wheels + Tyres (seen together; too few for a multiplier)6tests with both20246
Road Wheels + Visibility (seen together; too few for a multiplier)6tests with both20246
Body, chassis, structure + Road Wheels (seen together; too few for a multiplier)6tests with both20246
Identification of the vehicle + Seat belts and supplementary restraint systems (seen together; too few for a multiplier)5tests with both20245

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Has the Daihatsu Sirion had safety recalls?

DVSA lists 1 safety recall campaigns matched to the Daihatsu Sirion; check whether yours has been fixed, using its registration number.

Daihatsu Sirion: the numbers behind this answer (DVSA register)
MeasureValueUnitCompared withYearsTests
DVSA recall campaigns matched1campaignsDVSA registerDVSA register6147

Source: DVSA register; recall effect covers 11 of 761 models · Window: DVSA register · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What does a Daihatsu Sirion cost to run in a fleet?

Of every 100 Daihatsu Sirions tested at age 14, about 29 failed the MOT first time (rough estimate); at age 19, about 42 (rough estimate). These are one-year rates for different cars tested in the same year, not a fleet followed over time (2024).

Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 14 (rough estimate: 109 tests, 95% interval 21.6–38.5%)29.4% fail first time2024109
Age 15 (rough estimate: 901 tests, 95% interval 32.0–38.3%)35.1% fail first time2024901
Age 16 (rough estimate: 1,827 tests, 95% interval 36.0–40.4%)38.1% fail first time20241827
Age 17 (rough estimate: 1,344 tests, 95% interval 37.5–42.8%)40.1% fail first time20241344
Age 18 (rough estimate: 708 tests, 95% interval 39.2–46.5%)42.8% fail first time2024708
Age 19 (rough estimate: 719 tests, 95% interval 38.7–45.9%)42.3% fail first time2024719

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the Daihatsu Sirion fail inspections in other countries too?

In the Netherlands, 58.5% of Daihatsu Sirions failed their periodic roadworthiness inspection, against 50.8% for all cars there (2024 by country, n = 13,779 inspections).

Both readings are shown: this comparison changes when usage or inspection rules differ.

Inspections abroad disagree: none point the same way as Britain, the Netherlands do not. Test rules, climate and how the vehicles are used differ, so both readings are shown.

bullet · Daihatsu Sirion · Netherlands · 58.5 vs 50.8 · 2024 by country
Netherlands: 58.5 vs 50.8. Statens vegvesen PKK (CC BY 4.0), Traficom Katsastus (CC BY 4.0), RDW APK (CC0), adapted; covers 430 of 761 models, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024 by country)
MeasureValueUnitCompared withYearsTests
Netherlands58.5% failed50.82024 by country13779

Source: Statens vegvesen PKK (CC BY 4.0), Traficom Katsastus (CC BY 4.0), RDW APK (CC0), adapted; covers 430 of 761 models · Window: 2024 by country · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV · licences and full notice

Does the month of a Daihatsu Sirion MOT matter?

Daihatsu Sirions fail first time most in December (36.7%, against 29.3% for all cars that month) and least in August (33.2%) (2024, n = 6,147).

line · Daihatsu Sirion · January · 36.6 vs 31.1 · 2024
January: 36.6. December: 36.7. DVSA MOT bulk data, 24 Sep 2026.
Daihatsu Sirion: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
January36.6% fail first time31.120244055
February35.1% fail first time30.020244006
March36.0% fail first time28.320244460
April34.8% fail first time29.820242497
May34.1% fail first time28.820242979
June34.7% fail first time28.120243551
July34.2% fail first time29.320244082
August33.2% fail first time29.220244655
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
September34.6% fail first time28.220244794
October35.8% fail first time30.320244540
November36.2% fail first time30.620244120
December36.7% fail first time29.320242789

Source: DVSA MOT bulk data · Window: 2024 · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Not enough tests for… (and why)

What have dealers been told about the Daihatsu Sirion? (US market)

layer not yet computed for this model (covers 211 of 761 models). 6,147 initial Daihatsu Sirion tests are in the published model cohort.

Source: NHTSA, US market; covers 211 of 761 models · Window: NHTSA · n = 6,147 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

See the Suzuki Ignis, a car of the same inspection class with 4.9× the tests · Check your car by registration

Real-world MPG against the official figure (manufacturer level)

layer not yet computed for this model (covers 19 of 761 models). 6,147 initial Daihatsu Sirion tests are in the published model cohort.

Source: European Commission OBFCM; covers 19 of 761 models · Window: 2021+ cohorts · n = 6,147 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

See the Suzuki Ignis, a car of the same inspection class with 4.9× the tests · Check your car by registration

How to cite this page

MOT Risk Index (2026). Daihatsu Sirion MOT statistics 2024 (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 24 September 2026. motriskindex.co.uk/cars/daihatsu-sirion/

How the MOT Risk Index and every figure on this page are calculated: methodology.

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Daihatsu Sirion MOT: quick answers

What is the Daihatsu Sirion first-time MOT pass rate?

60.5% of first attempts passed in 2024 (6,147 tests). Retests after repair are excluded; cars fixed at the test centre (PRS) are shown separately.

Why does this number differ from other sites?

Other sites may count retests or all attempts. This page uses 6,147 primary tests: 39.48% failed first time and 67.2% passed when cars fixed at the test centre (PRS) count as passes. The age-adjusted MOT Risk Index 92.4 is shown separately.