MOT Risk Index.co.uk

Audi A1 — MOT statistics 2024

The Audi A1 failed 22.89% of 222,692 first MOT attempts in 2024 ("first-time", excluding retests). Adjusted for the age of the fleet, its initial-failure ratio is 93.1 (100 = expected for its age profile). This car fails its MOT about 7% less often than expected for its age.

MOT risk index 93.1, 95% CI 92.4–93.9 (100 = national average) 100 93.1 0 200
Index
93.1
100 = age-normal
Raw fail rate
22.89%
n = 222,692
Dangerous /100
10
national ≈11
Diesel − petrol
+12.1 pp
fail-rate gap
Rank
384 of 761
lower index = better

Age-adjusted peer: Volkswagen Passat (index 92.4) — the two published results are 0.7 index points apart.

Audi A1 common problems: what actually fails the MOT

Lamps, reflectors and electrical equipment are well below the reference at 5.1 per 100 tests, against 8.9 per 100 tests across UK vehicles of the same ages.

higher bar = fails more oftenrate per 100 tests

Audi A1 common problems: what actually fails the MOT — 2024 UK MOT data

family vs national — matched to UK vehicles of the same ages — top component groups, per 100 tests. Legend: This family · National avg. Combined labels: family / national average. A gap here reflects how these vehicles are driven, used and maintained as well as how they were built — an MOT defect is a test outcome, not a breakdown.

Component-group comparison table

Each ratio carries a 95% interval. With 6 groups compared here, roughly one apparent difference in twenty is chance alone, and 1 of these is already inside an interval that includes 1.00×.

GroupThis familyCases behind itUK, same agesFamily / national
Tyres9.3102,3578.01.16×1.15–1.16
Suspension8.088,1288.01.00×0.99–1.01 · not distinguishable
Brakes5.459,9146.80.79×0.79–0.80
Lamps & electrical5.156,7298.90.57×0.57–0.58
Visibility4.245,9276.20.68×0.67–0.68
Body & structure1.920,7662.20.88×0.86–0.88
Named defects — items per 100 initial tests, this family vs UK national average; this model measured on 1,104,432 tests, 2019-2024, national column 2024
What failedper 100 tests (this family)per 100 tests (UK average)ratio family / UKWhat to check
Tyre badly cut or damagedA tyre seriously damaged3.292.541.30×Check both sidewalls of every tyre, including the inner side, for cuts, bulges and tears.
Brake discs or drums wornBrake disc or drum significantly and obviously worn1.010.731.39×Look for a deep lip on the outer edge of the brake discs and feel for judder through the pedal when braking.
Tyre cords showing or damagedA tyre cords visible or damaged1.571.630.96×Check the inner edges of the front tyres, where cords show first, and ask whether the alignment was checked.
Tyre tread below the legal limitTyre tread depth not in accordance with the requirements3.403.590.95×Check the tread across every tyre with a gauge; wear on one edge points to a tracking fault.
Brake pads or shoes dangerously thina brake lining or pad worn below 1.5mm1.952.150.91×Look through the wheels at the pads and discs, listen for grinding, and ask when they were last replaced.
Windscreen or window damaged (minor)Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view2.062.360.87×Look for chips and cracks across the windscreen: chips spread, and larger damage in front of the driver fails.
Broken or weakened suspension springA spring or spring component fractured or seriously weakened2.402.860.84×Look behind each wheel at the coil springs for a snapped end, and check the car sits level from side to side.
Suspension joint cover split or missingA suspension joint dust cover missing or no longer prevents the ingress of dirt etc1.081.780.61×Ask whether the ball joint was replaced along with its cover: a joint that ran unprotected wears quickly and knocks over bumps.
Headlight aimed wronglyThe aim of a headlamp is not within limits laid down in the requirements1.082.570.42×Shine the dipped beams at a wall after dark: both should sit at the same height.
Worn suspension bush or jointA suspension pin, bush or joint excessively worn2.844.870.58×Listen for knocks over speed bumps, feel for the car wandering under braking, and ask which part was replaced.

Named defects ranked by how much more often they appear than the national average — not by raw rate.

Audi A1 MOT advisories: what gets flagged

Tyres are highest at 43.8 per 100 tests; Emissions & leaks are lowest at 1.0 per 100 tests — the gap is 42.8 per 100 tests.

higher bar = flagged more oftenadvisory items per 100 initial tests

Audi A1 MOT advisories: what gets flagged — 2024 UK MOT data
Advisory rates table
GroupAdvisories per 100
Tyres43.8
Brakes30.9
Suspension12.7
Non-component advisories5.7
Identification1.6
Emissions & leaks1

Advisories are wear the tester noted but didn't fail — what will need money soon.

Tyres, brakes and suspension: Audi A1 against cars of the same age

AgePartAudi A1Same age, petrol and dieselDifference
3 yearsTyres4.974.170.80
3 yearsBrakes1.321.77-0.45
3 yearsSuspension0.270.63-0.36
4 yearsTyres5.144.540.60
4 yearsBrakes1.942.43-0.49
4 yearsSuspension0.781.21-0.43
5 yearsTyres5.835.060.77
5 yearsBrakes2.453.09-0.64
5 yearsSuspension1.812.19-0.38
6 yearsTyres6.525.540.98
6 yearsBrakes3.173.81-0.64
6 yearsSuspension4.083.720.36
7 yearsTyres6.965.951.01
7 yearsBrakes3.854.55-0.70
7 yearsSuspension6.115.680.43
8 yearsTyres7.236.310.92
8 yearsBrakes4.255.38-1.13
8 yearsSuspension8.157.780.37

Failing items per 100 initial tests, 2019-2024. The comparison group is every petrol or diesel car tested at the same age, so weight and drivetrain show up rather than fleet age.

If a car like this fails, does it fail again?

A failure rate does not say whether a failure is a one-off or the start of something. This follows the same vehicles into their next ordinary MOT a year later — retests after a repair are excluded, because they follow a failure by definition. 2019-2024.

After this year's testFails next yearVehicles followed
It failed27.0%35,642
It passed18.8%684,020

A failed test raises next year's chance of failing again by 8.2 percentage points. The failure most likely to come back is steering — 32.0% of those vehicles fail again next year. Some of this is the vehicle and some is the owner: a car that was let go once tends to be let go again. One caveat: a car that fails may be sold or scrapped rather than tested again, so these figures describe the vehicles that came back.

Adjusted for how much these are actually driven

The headline index adjusts for the fleet's age. Wear, though, follows mileage: a three-year-old taxi and a three-year-old garage queen sit in the same age band. These two rows compare every car with vehicles of the same age, and then with vehicles of the same age and the same annual mileage, 2019-2024, on 1,097,526 tests. Both stand on the six-year corpus so they are measured on identical data — compare them with each other, not with the headline index above, which is measured on 2024 alone.

Standardised forIndexReading
Age only84.6fails less often than expected
Age and annual mileage87.8fails less often than vehicles driven as much
Share doing under 3,000 miles a year5.7%a normal spread of use

Mileage changes little here (+3.2 points): this fleet is driven about as much as the vehicles it is compared with. One limit to keep in mind: mileage is partly a result of how often a car breaks down — one that spends weeks in the workshop covers fewer miles — so the mileage-matched figure can understate a real weakness. Tests with no usable odometer reading are left out of it.

How the Audi A1 compares with cars of its own age and size

Not against the whole fleet — against cars of the same size class tested at the same age, 2019-2024.

AgeAudi A1Same class, same ageDifferenceTests
3 years9.68%11.34%-1.65 pp126,029
4 years11.26%14.3%-3.05 pp127,499
5 years13.76%17.49%-3.73 pp136,490
6 years17.36%20.82%-3.46 pp138,921
7 years20.41%24.4%-3.99 pp137,323
8 years23%28.25%-5.25 pp130,906
9 years25.55%32.14%-6.59 pp106,003
10 years28.42%35.7%-7.28 pp82,205
11 years31.29%38.73%-7.44 pp59,024
12 years33.43%41.3%-7.87 pp36,383
13 years35.24%43.32%-8.08 pp17,609
14 years36.89%45.04%-8.15 pp1,396

Raw first-time failure rates within each age, so fleet age cannot flatter either side. A positive difference means this model fails more often than its own class at that age.

How does the Audi A1 perform as it gets older?

The A1 at age 14 is well below the reference at 36.9%, against 40.4% for all vehicles of the same age.

higher = larger sharecompare shares in percentage points

How does the Audi A1 perform as it gets older? — 2024 UK MOT data

Chart axes: car age, years · failure-rate scale 0–45%.

Takeaway: a 10-year-old A1 has roughly a 27% chance of failing its MOT.

Data table
AgeAudi A1All vehiclesGap
310.3%12.4%-2.1 pp
410.6%13.1%-2.5 pp
512.5%15.1%-2.6 pp
617.8%17.5%+0.3 pp
721.6%20.2%+1.4 pp
823.4%23.3%+0.1 pp
924.0%26.5%-2.5 pp
1027.0%30.1%-3.1 pp
1130.9%33.2%-2.2 pp
1232.4%35.7%-3.3 pp
1335.2%38.2%-2.9 pp
1436.9%40.4%-3.6 pp

Is an Audi A1 ULEZ compliant?

The share of classifiable 2024 Audi A1 MOT tests likely ULEZ compliant by first-registration date is 83.5%.

Based on 222,625 classifiable initial MOT tests. This describes the tested fleet, not a specific car. MOT data do not record Euro class, so likely compliance is inferred from fuel and first-registration date. For the only authoritative answer, check the registration with TfL's official ULEZ checker.

higher = larger share likely compliantinferred from fuel and first-registration date; not a recorded Euro class

Age-band estimate from classifiable initial MOT tests
Vehicle age at testLikely ULEZ-compliant shareTests
Under 3 years100.0%
Check a registration with TfL
n = 745
3–5 years100.0%
Check a registration with TfL
n = 48,424
6–7 years100.0%
Check a registration with TfL
n = 42,941
8 years100.0%
Check a registration with TfL
n = 25,635
9 years79.9%
Check a registration with TfL
n = 23,795
10–14 years60.6%
Check a registration with TfL
n = 81,083
15–17 yearsSuppressed — sample below publication threshold
Check a registration with TfL
n = 2
18 yearsSuppressed — sample below publication threshold
Check a registration with TfL
n = 0
19 yearsSuppressed — sample below publication threshold
Check a registration with TfL
n = 0
20+ yearsSuppressed — sample below publication threshold
Check a registration with TfL
n = 0

Audi A1 petrol vs diesel: which ages best

Diesel is highest at 32.3%; Petrol is lowest at 20.2% — the gap is 12.1 percentage points.

higher = larger sharecompare shares in percentage points

Audi A1 petrol vs diesel: which ages best — 2024 UK MOT data
Fuel split table
FuelTests% failingGap vs best
Petrol173,41120.2%+0.0 pp
Diesel49,27732.3%+12.1 pp

Chart sample sizes: n=173k · n=49k.

How dangerous are Audi A1 MOT failures?

Major defects are well below the reference at 21.7 per 100 tests, against 52.8 per 100 tests nationally.

higher bar = fails more oftenrate per 100 tests

How dangerous are Audi A1 MOT failures? — 2024 UK MOT data
Severity table
SeverityThis family /100National /100Family / national
Minor5.9114.220.42×
Major21.6752.750.41×
Dangerous9.7911.150.88×

Chart values: Minor 5.9 · Major 21.7 · Dangerous 9.8.

Per 100 tests on this family. National average: Minor 14.2 · Major 52.8 · Dangerous 11.2 per 100.

Does the month of an Audi A1 MOT matter?

Nov is highest at 21.6%; Jun is lowest at 18.2% — the gap is 3.4 percentage points.

higher = larger sharecompare shares in percentage points

Does the month of an Audi A1 MOT matter? — 2024 UK MOT data

Chart scale: 17%–33%.

bars: Audi A1 · dashed: all class-4 cars

Month-by-month table
MonthAudi A1All vehiclesGap
Jan20.24%31.12%-10.9 pp
Feb19.16%29.99%-10.8 pp
Mar18.32%28.26%-9.9 pp
Apr19.24%29.78%-10.5 pp
May18.62%28.79%-10.2 pp
Jun18.16%28.15%-10.0 pp
Jul18.99%29.33%-10.3 pp
Aug19.65%29.2%-9.6 pp
Sep19.31%28.19%-8.9 pp
Oct20.44%30.34%-9.9 pp
Nov21.57%30.58%-9.0 pp
Dec20.58%29.33%-8.8 pp

Takeaway: the spread between best and worst month is 3.4 percentage points — noticeable seasonality. Seasonality partly reflects registration-date clustering, not weather.

Before reading the shape: most of it is not about cars. Britain changes its registration plates twice a year, and 18.9% of these cars were first registered in March with another17.1% in September — 36% in two months against the 17% an even spread would give. An MOT falls due three years after first registration, so the buying calendar becomes the testing calendar. That shapes how many cars are tested each month — not how often they fail: the busiest months here are not the worst ones, so read the failure line on its own and the volume behind it separately.

Audi A1 average mileage by age

At age 8, the middle half of A1s runs from 40,981 miles to 69,205 miles, against 54,527 miles as the median.

further right = more milesmedian is the typical car; band is p25–p75

Bars: Audi A1 · dashed: all class-4 cars — 2024 UK MOT data

Chart axes: car age, years · odometer scale 0–122k mi.

Does high mileage mean more Audi A1 MOT failures at the same age?

Within the same age group, split by odometer (2024 MOTs), so this separates wear from age: at ages 6–9, 15.1% of those with under 40,000 miles failed first time versus 34.2% of those with over 140,000 miles.Inside this age group, higher mileage goes with more failures.

Does high mileage mean more Audi A1 MOT failures at the same age? — 2024 UK MOT data
Audi A1: first-time failure by mileage within each age group (2024)
AgeOdometer% failing95% intervalTests
3–5<40k miles10.1%9.8–10.4%38,489
3–540-70k miles15.9%15.2–16.7%9,205
3–570-100k miles18.4%15.6–21.5%664
3–5100-140k miles26.4%16.4–39.6%53 (rough estimate)
6–9<40k miles15.1%14.7–15.5%28,934
6–940-70k miles22.8%22.4–23.2%44,099
6–970-100k miles29.2%28.5–29.9%15,938
6–9100-140k miles33.5%31.8–35.2%3,063
6–9140k+ miles34.2%29.1–39.7%304 (rough estimate)
10–14<40k miles16.2%15.3–17.1%6,492
10–1440-70k miles25.7%25.2–26.3%23,479
10–1470-100k miles33%32.5–33.5%29,740
10–14100-140k miles38.6%37.9–39.3%18,051
10–14140k+ miles40.5%38.9–42.2%3,284

line: median · band: middle half of the fleet (p25–p75)

Mileage by age (p25 / median / p75)
Agep25Medianp75Tests
315,07321,66429,34114,596
418,85426,42935,45813,365
523,99432,95043,46620,463
628,41538,35950,13919,943
734,32946,34159,58022,998
840,98154,52769,20525,635
947,30462,74779,81523,795
1052,06469,19687,62622,915
1158,45577,32096,90822,246
1265,26885,860106,79618,363
1372,95093,504114,49216,166
1475,05596,627115,7971,394

A typical 8-year-old A1 has ~54,527 miles on the clock. Much more — ask why; much less — check for gaps in the MOT history.

Where in Britain the Audi A1 fails its MOT most

Kirkcaldy area is highest at 30.0%; Romford area is lowest at 13.9% — the gap is 16.1 percentage points.

higher = larger sharecompare shares in percentage points

Audi A1 line: median · band: middle half of the fleet (p25–p75) — 2024 UK MOT data
Toughest areas% failingvs model overall
Kirkcaldy (KY)30.02%+10.5 pp
Lerwick (ZE)28.13%+8.6 pp
Dundee (DD)26.58%+7.0 pp
Aberdeen (AB)25.79%+6.3 pp
Swansea (SA)24.94%+5.4 pp
Easiest areas% failingvs model overall
Romford (RM)13.88%-5.7 pp
Uxbridge (UB)14.64%-4.9 pp
Bromley (BR)14.65%-4.9 pp
London E (E)14.97%-4.6 pp
Twickenham (TW)15.39%-4.1 pp

Why do areas differ?

For each external factor we correlate the area fail rate with the factor across postcode areas that have ≥800 tests of this family, then compare the bottom vs top fifth (quintile) of the factor. Correlation, not causation — factors travel together (the north is colder and often poorer; urban areas are denser and less salted). Road surface condition is joined now, for the 91 English areas the DfT publishes, and it explains nothing: the correlation with suspension failures is −0.01 and with body and structure failures 0.07. Potholes wreck wheels and tyres between tests, but by the time a car reaches the bay the road it drives on leaves no measurable trace.

In areas with the highest mot centre density this model fails 5.1 pp more often than in the lowest fifth (r=0.57, n=114 areas with ≥800 tests).

In areas with the highest frost days this model fails 3.4 pp more often than in the lowest fifth (r=0.50, n=114 areas with ≥800 tests).

In areas with the highest road-salt proxy this model fails 4.2 pp more often than in the lowest fifth (r=0.49, n=114 areas with ≥800 tests).

Audi A1 Why do areas differ? — 2024 UK MOT data
Values shown in the quintile chart
FactorLow QHigh QGapCorrelation
MOT centre density16.7%21.8%+5.1 ppr=0.57
Frost days18.4%21.8%+3.4 ppr=0.50
Road-salt proxy17.5%21.8%+4.3 ppr=0.49

Factors that only mean something combined

Some conditions are useless on their own and informative multiplied together. Frost days alone say little — Britain barely freezes. Salt tonnage alone says little — it tracks frost. Distance to the sea alone says little. Multiply the first two and divide by the third and you get an index of how hard an area attacks a car's underside, and it lines up with the corrosion defects we actually record. We built five such combinations and tested each against our own data. Three survived; two did not, and the failures are listed here on purpose — a proxy that was never checked is decoration. One survivor only survived on the second attempt: built from a crude stand-in for street parking it failed outright, and rebuilt from the census — terraced streets carrying more cars than they have driveways — it works, and carries information the salt index does not.

Composite area indicators, each tested against a defect rate we measure
CompositeBuilt fromTested againstrVerdict
Underbody corrosionfrost days × salt load ÷ (distance to coast + 1)share of tests with a corrosion defect+0.42holds (116 areas)
Tyre wearrain days × annual miles ÷ age at first tyre advisoryshare of tests failing on tyres+0.45holds (116 areas)
Overnight corrosionterraced housing × cars per household × frost daysshare with a corrosion defect+0.41holds (102 areas) — and adds signal beyond the first index
Deferred maintenancedeprivation × advisory-to-failure conversion ÷ labour ratecars repeating the same advisory−0.26fails (118 areas)
Powertrain stressengine capacity ÷ kerb weightsuspension, brake and emissions failures−0.16fails (22 models)

The deprivation result is the one worth dwelling on. The intuition that poorer areas defer repairs is strong enough that most people treat it as established. We tested it twice — once on raw failure rates (r = 0.04) and again, more fairly, on whether an advisory turns into a failure — and it did not hold any of the three times we tried it — on raw failure rates, on advisory-to-failure conversion, and again with deprivation measured properly inside each nation rather than England alone. We are closing it. What does predict local failure rates is the density of test centres, which is a statement about testing, not about cars.

All external-factor correlations (machine-readable)
Factorrn areasLow-Q fail %High-Q fail %Gap ppLow-Q factorHigh-Q factor
MOT centre density (per 10k vehicles)0.57111416.721.8+5.158.7
Frost days (days/year)0.50111418.421.8+3.411.638.1
Road-salt proxy (g/m²-yr)0.49311417.521.8+4.2221.2675.1
Urban share (0–1)-0.38111420.517.1-3.40.41
Distance to coast (km)-0.25711421.219.1-2.06.279.5
Income deprivation (score)0.1999717.819.5+1.70.10.2
Terrain gradient (% grade)0.1576719.220.8+1.60.53.7

Deprivation uses England IMD 2019 income score only (Scotland SIMD is a different scale). Salt proxy is a simplified NWSRG-style dry-salt sum from air Tmin; coastalness is distance from the area centroid to the nearest coastline.

Every dot is a postcode area — size = how many were tested there, colour = share failing. These figures are not age-adjusted: coastal and rural areas often run older fleets and salted roads, so higher raw fail rates do not automatically mean a worse local stock of this model.

Map labels: Scotland · N. England · Wales · London · S. West. Colour scale: 16%–24% failing.

Audi A1 survival: which cars are still on the road

By age 14 is well below the reference at 1.0%, against 100.0% at the ages 4–6 reference level.

higher = larger sharecompare shares in percentage points

Audi A1 survival: which cars are still on the road — 2024 UK MOT data

Chart axes: car age, years · survival vs ages 4–6 · scale 0–105%.

Survival vs fail rate by age
AgeTestsSurvival vs ages 4–6Fail %
3126,02993.8%9.68%
4127,49994.9%11.26%
5136,490100%13.76%
6138,921100%17.36%
7137,323100%20.41%
8130,90697.5%23%
9106,00378.9%25.55%
1082,20561.2%28.42%
1159,02443.9%31.29%
1236,38327.1%33.43%
1317,60913.1%35.24%
141,3961%36.89%

By age 14, only about 1% as many cars of this family present for MOT as at ages 4–6 (reference n≈134,303); survivors still fail at 36.9% vs 11.3% at age 4. Older cars that still appear are a selected subset — weaker ones have already left.

How many miles does an Audi A1 last?

100,000+ miles is highest at 6.6%; 150,000+ miles is lowest at 0.5% — the gap is 6.1 percentage points.

higher = larger sharecompare shares in percentage points

OdometerTests ≥ thresholdShare of sample
100,000+ miles72,6486.62%
150,000+ miles5,2210.48%

Of 1,097,619 tests of this family with a usable odometer in 2024, 6.6% had reached 100k miles, 0.5% had reached 150k miles. This is a cross-section of cars still presenting for MOT, not a full birth cohort.

How many years is an Audi A1 likely to last?

Bought at age 5 is highest at 5.7 years; Bought at age 12 is lowest at 1.0 years — the gap is 4.7 years.

bigger number = longer remaining lifeyears on the observed survival curve

Age nowTypical mileage (p50)Expected years left
5—5.7
8—2.8
10—at least 1.9
12—at least 1

estimateEstimate only — not a warranty: a typical 10-year-old example of this family has at least 1.9 expected years of further MOT-present life. The curve is observed only until age 14, so the true figure is likely higher.

Audi A1 faults that come together

Lamps & electrical + Seatbelts & SRS stand out at 13.44×, against 1.00× if the faults were independent.

above 1.0× = more than expectedbelow 1.0× = less

Group AGroup BTogetherLift
Lamps, reflectors and electrical equipmentSeat belts and supplementary restraint systems2,67513.44×
Body, chassis, structureNoise, emissions and leaks1,7287.68×
Identification of the vehicleRoad Wheels246.34× (rough estimate)
Body, chassis, structureSteering7066.31×
Road WheelsSteering515.6× (rough estimate)
Noise, emissions and leaksSeat belts and supplementary restraint systems3785.58× (rough estimate)
Road WheelsSeat belts and supplementary restraint systems445.55× (rough estimate)
Lamps, reflectors and electrical equipmentRoad Wheels2955.49× (rough estimate)
Identification of the vehicleLamps, reflectors and electrical equipment5125.39×
Noise, emissions and leaksRoad Wheels985.35× (rough estimate)
Identification of the vehicleSeat belts and supplementary restraint systems745.28× (rough estimate)
Body, chassis, structureRoad Wheels1355.13× (rough estimate)
Body, chassis, structureLamps, reflectors and electrical equipment3,3825.12×
Lamps, reflectors and electrical equipmentNoise, emissions and leaks2,3475.11×
Lamps, reflectors and electrical equipmentSteering1,1064.84×
Body, chassis, structureSeat belts and supplementary restraint systems4624.74× (rough estimate)
Identification of the vehicleNoise, emissions and leaks1504.64× (rough estimate)
Noise, emissions and leaksSteering3504.5× (rough estimate)
Body, chassis, structureSuspension5,0894.39×
SteeringSuspension1,7284.31×
Body, chassis, structureIdentification of the vehicle1964.21× (rough estimate)
Identification of the vehicleVisibility4174.13× (rough estimate)
BrakesNoise, emissions and leaks1,9244.1×
BrakesLamps, reflectors and electrical equipment5,6394.09×
Road WheelsTyres4154.07× (rough estimate)
Seat belts and supplementary restraint systemsSteering1364.04× (rough estimate)
BrakesSeat belts and supplementary restraint systems8123.99×
BrakesRoad Wheels2173.95× (rough estimate)
Seat belts and supplementary restraint systemsVisibility8233.89×
Body, chassis, structureBrakes2,6193.88×
BrakesIdentification of the vehicle3743.85× (rough estimate)
Lamps, reflectors and electrical equipmentSuspension9,0153.81×
Lamps, reflectors and electrical equipmentVisibility5,4293.79×
Road WheelsVisibility2103.68× (rough estimate)
BrakesSuspension8,6963.59×
Noise, emissions and leaksSuspension2,8313.51×
Identification of the vehicleTyres6313.5×
BrakesTyres9,1053.48×
BrakesSteering8093.46×
Road WheelsSuspension3253.44× (rough estimate)
SteeringVisibility8313.42×
Seat belts and supplementary restraint systemsTyres1,2543.32×
Lamps, reflectors and electrical equipmentTyres8,4403.3×
Noise, emissions and leaksVisibility1,5863.25×
Identification of the vehicleSteering523.23× (rough estimate)
Body, chassis, structureVisibility2,1083×
Seat belts and supplementary restraint systemsSuspension1,0322.96×
Identification of the vehicleSuspension4912.95× (rough estimate)
Noise, emissions and leaksTyres2,4382.8×
BrakesVisibility4,0422.76×
TyresVisibility6,9422.55×
Body, chassis, structureTyres3,2002.55×
SuspensionVisibility6,1422.44×
SuspensionTyres10,8872.42×
SteeringTyres1,0132.34×
Seat belt installation checkVisibility5too few (rough estimate)

Defects in «Lamps, reflectors and electrical equipment» and «Seat belts and supplementary restraint systems» appear together 13.44× more often than chance (2,675 co-occurrences in the same test; lift≥1.3, n≥500).

Lift = how many times more often both groups appear on the same test than if independent. A pair is listed from 5 tests with both faults; the lift is shown from 20, and called above chance only when its 95% interval excludes 1 (see rough estimates).

Is low mileage better for an Audi A1?

Cars driven under 5,000 miles a year is well below the reference at 14.1%, against 26.1% for cars driven 8,000–12,000 miles a year.

higher = larger sharecompare shares in percentage points

BandFail %Tests
<5k miles/year14.09%179,266
8–12k miles/year26.11%262,496
Gap (low − normal)-12.02 pp—
By fuel and age

Diesel

AgeLow-use fail %nNormal fail %nGap pp
59.882,30817.4210,421-7.54 pp
612.472,89521.8515,051-9.38 pp
713.453,29424.6718,789-11.23 pp
817.433,38428.2721,598-10.84 pp
918.822,99131.5619,402-12.74 pp
1019.192,29334.6215,848-15.43 pp
1123.471,73037.3112,003-13.84 pp
1225.5996939.617,551-14.02 pp
1329.7641040.073,519-10.31 pp
1435.295141.3247-6 pp

Petrol

AgeLow-use fail %nNormal fail %nGap pp
58.7131,62416.927,361-8.2 pp
610.8829,19121.1825,205-10.3 pp
713.3826,22523.9423,189-10.56 pp
814.4122,76426.5720,762-12.16 pp
916.3617,61329.9515,667-13.59 pp
1018.3813,64233.0611,359-14.68 pp
1120.229,39135.887,708-15.66 pp
1221.145,75638.934,713-17.79 pp
1322.842,77142.062,344-19.22 pp
1428.9824539.58144-10.6 pp

At matched ages 5–14, cars averaging under 5k miles/year fail at 14.1% vs 26.1% for 8–12k miles/year — 12.0 pp lower (n_low=179,266, n_normal=262,496). In this family low annual use is associated with fewer MOT fails, not more — the ‘garage queen’ penalty is not visible in overall fail rates. Diesel alone: 16.5% low-use vs 28.1% normal (-11.5 pp).

Which Audi A1 engine is best?

diesel 1.5–1.8 is highest at 115.2; petrol 1.8–2.0 is lowest at 74.2 — the gap is 41.0 points.

below 100 is betterabove 100 is worse100 = normal for this model at that age

Engine bands against this model's own failure rate at the same ages
FuelCapacityvs own age normRaw fail %Tests
petrol1.8–2.0 litre74.211.63%20,523
petrol1.2–1.5 litre90.417.71%532,099
petrol1.0–1.2 litre95.624.05%60,174
diesel1.8–2.0 litre97.623.47%18,484
petrol1.5–1.8 litre99.926.35%630 (rough estimate)
petrolunder 1.0 litre107.514.23%186,616
diesel1.2–1.5 litre110.530.27%446 (rough estimate)
diesel1.0–1.2 litre115.231.65%139 (rough estimate)
diesel1.5–1.8 litre115.225.72%285,215

Splitting this model by fuel alone hides the thing that actually differs. Within the same badge, the diesel 1.5–1.8 runs at 115.2 against this model's own age norm while the petrol 1.8–2.0 runs at 74.2 — a spread of 41 points between two cars that share a name.

Read this one with more care than the rest of the page. Age is held constant, but who buys which engine is not: the largest capacity in a range is often a performance or executive variant that is garaged, cherished and lightly driven, while the smallest is frequently a fleet or entry car worked hard from new. The gap below is real in the test records; how much of it is the engine and how much is the owner, this data cannot separate. Bands under 100 tests are not shown; bands under 5,000 tests are rough estimates.

Best year for an Audi A1, and the years to avoid

Build year 2018 is highest at 105.4; Build year 2015 is lowest at 94.0 — the gap is 11.4 points.

below 100 is betterabove 100 is worse100 = normal for this model at that age

build year vs the same model at the same age · 100 = as expected

Audi A1 build year vs the same model at the same age · 100 = as expected — 2024 UK MOT data
Audi A1 by build year, tests 2019–2024. Below 100 is better than the model's own age norm.
Every build year with its confidence interval
Build yearvs own age norm95% CIRaw fail %TestsVerdict
2020100.196.4–103.910.15%26,895no different
201997.294.9–99.610.88%62,006better
2018105.4103.4–107.313.33%80,567worse
2017104102.4–105.514.49%121,964worse
2016103101.7–104.216.17%155,112worse
20159492.8–95.217.25%144,041better
20149795.9–98.220.57%138,950better
2013102.3101.2–103.424.68%134,681worse
2012101.8100.7–10327.3%112,223worse
2011104.9103.7–10630.7%99,987worse
2010104.8101–108.733.12%8,762worse

The best build year here is 2015 and the weakest is 2018. Comparing build years sounds simple and is not: within a single year of testing, a car's build year and its age are the same number, so a naive comparison of years is a comparison of ages wearing a disguise. Each year below is measured against the same model at the same age in other cohorts, across six years of testing — 10 of 11 years come out distinguishable from their own model's age norm.

Two limits worth knowing before you act on this. Age, test year and build year are locked together by arithmetic, so the test-year effect is taken from the observed national failure level of each year rather than estimated — it is an adjustment, not a solution.

Audi A1 MOT repair costs

The MOT-failure repair budget per test runs from £38.01 to £72.22, against £54.85 for the test itself.

bigger number = costs morepounds per test, MOT-failing faults only

MOT repairs, budget
£38–72
per test, repairs only
The test itself
£54.85
statutory cap, unchanged since 2010
How the figure is built: chance of failing × typical price of that repair
ComponentFails per 100 testsTypical repairIts priceContribution
Suspension8.0 (nat. 15.36)Suspension coil spring (single corner)£180£14.40
Tyres9.3 (nat. 8.7)Tyre (single mid-range 16" fitted)£90£8.37
Brakes5.4 (nat. 11.25)Front brake pads (parts + labour, typical hatchback)£150£8.10
Lamps, reflectors and electrical equipment5.1 (nat. 18.09)Battery replacement (standard 12V lead-acid)£140£7.14

Multiply how often each component fails on this model by what that repair usually costs, and you get the amount an owner should expect to budget per test for MOT-failing faults only — roughly £38 to £72, on top of the test fee itself. It is a budgeting figure, not a quote: the spread between a set of pads and a set of discs is most of the range.

Prices are modal quotes from a hand-kept catalogue of published UK garage guides — we do not scrape the booking sites, their terms forbid it, so this list is short and updated by hand with a source and date against each line. Each line prices one typical repair in that group, not a full remedy, and only groups our catalogue actually covers are counted. The contrast worth noticing is the second card: the legal maximum for the test has been £54.85 since 2010, while the repairs it uncovers have followed inflation the whole time.

For scale from a different direction: Warrantywise, which sees used-car warranty claims rather than test failures, puts the average claim at £2,052 across the ten highest-claim models it ranks and £539 for Honda, the lowest-claim make in its index (Warrantywise index 2026, 1.6 million claims, cars aged 3–15). Those sit an order of magnitude above the figures in this table, and the gap is the point: a warranty claim is a gearbox or an engine, which almost never fails an MOT, while the faults that do fail one are corrosion, lamps and tyres, which no warranty pays for. The two numbers answer different questions and neither replaces the other.

Audi A1 running costs for a fleet

Vehicles failing at age 10 stand out at 27.0%, against 12.0% at age 5, tested in the same year.

higher = larger sharecompare shares in percentage points

Fails per 100 at age 5
12
vehicles needing work
At age 10
27
other cars of this model tested at age 10 in 2024
Repairs per 100
£3,801
plus £5,485 in test fees
Off the road
1d
median; 49.14% cleared same day
Failure rate and typical odometer by age
AgeFailsMedian odometerTestsGap vs age 5
310.3%21,66414,596-2.2 pp
410.59%26,42913,365-1.9 pp
512.5%32,95020,463+0.0 pp
617.8%38,35919,943+5.3 pp
721.56%46,34122,998+9.1 pp
823.4%54,52725,635+10.9 pp
923.99%62,74723,795+11.5 pp
1026.98%69,19622,915+14.5 pp
1130.95%77,32022,246+18.4 pp
1232.39%85,86018,363+19.9 pp
1335.24%93,50416,166+22.7 pp
1436.87%96,6271,394+24.4 pp

The number a fleet manager needs is not the failure rate, it is the year the car starts costing more. Between cars aged 5 and cars aged 6, both tested in 2024, the failure rate of this model is 5.3 percentage points higher — the steepest one-year step in this cross-section of different cars, and a natural planning point for replacement.

Repair spend uses the same modal prices as the section above, so it inherits the same limits: one typical repair per component group, not a full remedy. Downtime is the gap between the failed test and the passed re-test, which is the window a vehicle is legally off the road.

Audi A1 rust problems: where they corrode

Age-standardised corrosion susceptibility is well below the reference at 0.11×, against 1.00× for the national age-standardised rate.

above 1.0× = rusts more than averagebelow 1.0× = rusts less

How it rusts
0.11×
0.09% of tests record a corrosion defect vs 0.77% typical — age-standardised
Salt Belt exposure
71st
percentile among the models published here, from its tests across 114 postcode areas

This Audi A1 virtually never fails on corrosion once age is held constant, and its owners live in areas that are saltier than most for the models we publish. Both point the same way and reinforce each other: it resists corrosion even though its owners live in saltier areas than most.

Corrosion is the one failure mode that is as much about geography as about the car. We keep the two apart on purpose: a model can look rusty simply because it is popular in Scotland, and a model can look clean simply because it is bought in Surrey. Blending them into a single score would hide which of the two is doing the work.

Exposure is this model's tests weighted by an area corrosion index built from frost days, salt load and distance to the coast — the composite validated at r = 0.42 against corrosion defects we actually record. It is published as a rank, not a raw score, because every mainstream model skews towards low-corrosion areas for the simple reason that most of Britain's cars are in the south. Susceptibility is standardised to the national age profile, so an old fleet does not get labelled a rusty model.

Does an Audi A1 advisory become a failure?

Lamps, reflectors and electrical equipment are highest at 17.5%; Identification of the vehicle is lowest at 1.8% — the gap is 15.6 percentage points.

higher = more likelypercentage is the observed transition probability

chance the same component fails at the next MOT, given an advisory now

Audi A1 chance the same component fails at the next MOT, given an advisory now — 2024 UK MOT data
Audi A1, advisory → failure conversion by component group, chained tests 2019–2024. Chart labels and rates: Lamps & electrical 17.5% · Suspension 16% · Tyres 9.4% · Body & chassis 9.1% · Brakes 8.8% · Steering 7.9% · Visibility 7.3% · Noise, emissions, leaks 3.6%.
Advisory today → failure at the next test, with how long you have
ComponentFails next timeTypical lead timeMiles of warningAdvisories tracked
Lamps, reflectors and electrical equipment17.5%12 months7,296847
Suspension16.0%12 months6,36963,559
Tyres9.4%12 months6,779216,803
Body, chassis, structure9.1%12 months6,7765,783
Brakes8.8%12 months6,653152,630
Steering7.9%12 months6,9221,603
Visibility7.3%11.9 months7,4701,035
Noise, emissions and leaks3.6%12 months6,6767,222
Seat belts and supplementary restraint systems2.0%12.1 months7,9642,026
Identification of the vehicle1.8%12 months7,00012,217

This is the question an advisory note actually raises, and it needs six years of test history to answer. We followed the same vehicles from one MOT to the next across 2019–2024 and measured how often a component that was merely advised came back as a genuine failure at the next test.

Read it as a budgeting horizon, not a prophecy: the most likely component above turns into a failure for about 17 in 100 cars, and the median gap is 12 months and roughly 7,296 miles. The rest were repaired, sold, scrapped, or simply held. Rows with fewer than 500 tracked advisories are not shown.

What will fail next on an Audi A1?

Suspension after a failure at age 12-14 is highest at 21.6%; Brakes after a passed at age <3 are lowest at 1.3% — the gap is 20.3 percentage points.

higher = more likelypercentage is the observed transition probability

Probability of each component failing at the next test, by age and last result
AgeLast testMost likely next failuresCars tracked
<3passedTyres 4.3% · Visibility 2.3% · Brakes 1.3%57,551
<3advisoryTyres 5.8% · Visibility 2.9% · Brakes 2.8%20,123
<3failureTyres 5.9% · Visibility 3.5% · Brakes 2.7%7,451
3-5passedTyres 4.9% · Suspension 2.8% · Visibility 2.4%191,595
3-5advisoryTyres 7.4% · Suspension 4.3% · Brakes 4.1%94,131
3-5failureTyres 8.0% · Suspension 4.9% · Brakes 4.4%43,776
6-8passedSuspension 7.5% · Tyres 5.7% · Lamps, reflectors and electrical equipment 3.4%147,323
6-8advisorySuspension 9.6% · Tyres 8.3% · Brakes 5.6%98,290
6-8failureSuspension 11.4% · Tyres 9.5% · Lamps, reflectors and electrical equipment 6.8%67,163
9-11passedSuspension 12.4% · Tyres 6.5% · Lamps, reflectors and electrical equipment 6.0%55,387
9-11advisorySuspension 15.5% · Tyres 8.8% · Lamps, reflectors and electrical equipment 7.8%45,743
9-11failureSuspension 16.8% · Lamps, reflectors and electrical equipment 11.1% · Tyres 10.3%42,503
12-14passedSuspension 16.9% · Lamps, reflectors and electrical equipment 7.6% · Body, chassis, structure 7.2%3,236
12-14advisorySuspension 21.6% · Lamps, reflectors and electrical equipment 10.0% · Brakes 8.7%3,086
12-14failureSuspension 21.6% · Lamps, reflectors and electrical equipment 13.9% · Visibility 9.3%3,823

The same chains, cut differently: given a car's age and how its last test went, which component most often causes trouble at the following one.

The pattern that repeats across every family: a failure at one test roughly doubles the chance of a failure on the same component at the next one, and an advisory sits about half-way between a clean pass and a failure. Age bands in years; probabilities are per car, not per defect item.

Audi A1 ownership: what six years of MOTs show

The same-day re-test pass rate is highest at 49.1%; The later re-test pass rate is lowest at 1.8% — the gap is 47.3 percentage points.

higher = larger sharecompare shares in percentage points

Fixed same day
49.14%
of failures re-tested
Fails /10k miles
0.326
miles actually driven
Clean streaks
42.6%
3+ tests, nothing noted
Odometer anomaly
0.954%
reading went backwards

Failing is usually a same-week event, not a disaster. Of 169,776 failures followed through to their re-test, 49.14% were repaired and passed the same day and 49.04% within ten days; the median gap is 1 day. 325,670 defect items were cleared in the process.

Per mile driven, not per year. Dividing failures by the miles that actually went onto the odometers between consecutive tests gives 0.326 failures per 10,000 miles, on a median of 5,643 miles a year across 211,286 chains. This is the number to compare between models — an annual rate quietly rewards cars that barely leave the drive.

Two populations hide inside one model. 42.6% of these cars strung together three or more tests with nothing recorded at all, while 25.41% carried the same advisory three times or more — the same fault, noted, ignored, noted again. When you buy used you are buying one of those two histories, and the MOT record shows which.

Odometer anomalies: 0.954% of 211,325 chains show a reading lower than the previous test, with a median drop of 16,668 miles. We call this an anomaly and not fraud on purpose — instrument swaps, imports, unit mix-ups and keying errors all land in the same bucket. Obvious typos (drops under 100 miles or over 90% of the reading) are already excluded.

Audi A1 safety recalls and how to check yours

DVSA recall campaigns stand out at 1.

bigger number = more recorded casescompare like-for-like scope, not sample size alone

Most recent safety recall campaigns for the Audi A1
ReferenceLaunchedVehiclesConcern
R/2017/07820/02/20172,622AIRBAG/BELT TENSIONERS MAY NOT TRIGGER IN EVENT OF AN ACCIDENT

DVSA lists 1 safety recall campaigns for the Audi A1, covering roughly 2,622 vehicles in total. A recall is the manufacturer fixing a fault for free, so an open recall on your car costs nothing to clear.

Counter-intuitive, and measured on our own data: across the 25 families published here, more recalls go with a lower MOT Risk Index (r = −0.52). Heavily recalled models are not worse cars in the test bay — an active manufacturer removes the fault before it becomes an MOT failure.

Check whether a specific car has an outstanding recall — free, by registration — at DVSA's recall service. Source: DVSA vehicle safety recalls (check-vehicle-recalls.service.gov.uk), OGL.

Audi A1 inspection results in other countries

Netherlands APK is well below the reference at 38.8%, against 50.8% nationally.

higher = larger sharecompare shares in percentage points

Same model, different national inspection regimes
CountryTestThis model failsNational averagePositionSample
United KingdomMOT (class 4)22.89%26.01%-3.1 pp222,692
NetherlandsAPK38.8%50.8%-12 pp29,537
NorwayPKK32.4%33.7%-1.3 pp4,051
FinlandKatsastus19.1%26.3%-7.2 pp1,425

The verdict is consistent across every regime where the difference is clear, which is the strongest form this comparison takes: independent inspectorates, different rulebooks, same direction of travel.

The exact faults Netherlands records — APK defect codes, 2024
CodeFaultRecordedType
210Tyre pressure not at the correct value5,869failure
205Tyre with insufficient tread3,148failure
516Dipped headlight incorrectly aimed2,425failure
AC1Tyre down to 1.6–2.5 mm of tread1,994advisory
203Tyre damaged1,012failure
AC5Mechanical brake parts showing wear969advisory
RA2Excessive leak of other fluids788advisory
391Wipers leave insufficient visibility777failure

Worth dwelling on how mundane the top of that list is: tyre pressure, tread depth, headlight aim. The Dutch APK records 0.817 defects per inspection against a much higher national failure rate than Britain's, and the reason is not that Dutch cars are worse — it is that the two regimes draw the line between "note it" and "fail it" in different places. Codes are the RDW's own; the English wording here is our translation of the Dutch original.

Britain is not the only country that inspects every car every year, and the Audi A1 is on the road in all of them. Each national regime writes its own rules, so the pass rates below are not comparable to each other — what does travel across a border is whether a model sits above or below its own country's average.

Rows with fewer than 500 inspections are not published. Sources: RDW open data — Meldingen Keuringsinstantie + Geconstateerde Gebreken + Gekentekende voertuigen (2024), CC0. Not an RDW endorsement.; Statens vegvesen — Periodisk kjøretøykontroll (PKK) 2024, CC BY 4.0; Traficom — Periodic inspections of cars by model / by model and fault object 2024, CC BY 4.0. Adapted; licences and full notice.

Audi A1 MOT: quick answers

Audi A1 MOT Risk Index is well below the reference at 93.1, against 100 for a car with the same age profile.

below 100 is betterabove 100 is worse100 = normal for this model at that age

What is the Audi A1 first-time MOT pass rate?
77.11% of first attempts passed in 2024 (222,692 tests). This is the first-time figure: retests after repair are excluded. Basis: first-time, excluding retests.
Why does this number differ from other sites?
Other sites often report a pass rate that includes retests or counts all attempts. Our 22.89% figure is the first-time initial failure rate, using 222,692 primary tests as the denominator (first-time, excluding retests). The age-adjusted MOT initial-failure ratio 93.1 is shown separately because raw rates compare fleet age as well as cars.

Compare the Audi A1 with other cars

Mercedes-Benz A-Class is highest at 94.2; Seat Leon is lowest at 91.9 — the gap is 2.3 points.

below 100 is betterabove 100 is worse100 = normal for this model at that age

Same brand

All Audi MOT statisticsAudi A4 MOT statsAudi A3 MOT stats

Similar risk

Volkswagen Passat (index 92.4)Mercedes-Benz A-Class (index 94.2)Seat Leon (index 91.9)

Same size class

how Mercedes-Benz E-Class compareshow Vauxhall Mokka compareshow Skoda Fabia compares

By build year

Audi A1 2010Audi A1 2011Audi A1 2012Audi A1 2013Audi A1 2014Audi A1 2015Audi A1 2016Audi A1 2017Audi A1 2018Audi A1 2019Audi A1 2020

By area

Audi A1 MOT failure rate by postcode area

By failure group

Audi A1 body, chassis and structure failuresAudi A1 brakes failuresAudi A1 vehicle identification failuresAudi A1 lamps, reflectors and electrics failuresAudi A1 noise, emissions and leaks failuresAudi A1 road wheels failuresAudi A1 seat belts and airbags failuresAudi A1 steering failuresAudi A1 suspension failuresAudi A1 tyres failuresAudi A1 visibility failures

Inspections abroad

Audi A1 in NorwayAudi A1 in FinlandAudi A1 in the Netherlands


Data details & how to cite

Scope: class-4 vehicles (cars), initial tests only, outcomes pass / fail / fixed-on-the-spot at the station (PRS counts towards the failure rate — the defect was present at arrival). Index = observed initial failures ÷ failures expected for this fleet's exact age profile, ×100; margin of error is a 95% confidence interval. Covers ALL generations together — a 3-year-old and a 15-year-old are very different cars; a generation split is on the roadmap. Dataset release dataset_release_id=dvsa-2024-v2, frozen baseline; headline claim_id=family-stats:audi-a1:dvsa-2024-v2. Full method: methodology.

Cite: MOT Risk Index (2026). Audi A1 MOT statistics 2024 (data release dvsa-2024-v2; downloadable dataset motriskindex-families-2024-v5, doi:10.5281/zenodo.22975051). https://motriskindex.co.uk/cars/audi-a1/ · Published 2026-07-30.