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Audi A5 2015: MOT failure rate for its age

17.9% of 64,121 MOT tests of the Audi A5 first registered in 2015 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 102.1 (95% CI 100.2–104.0; 100 = normal for this model at that age): close to other build years of the same model at the same age (within 5 points of normal).

Audi A5 built in 2015 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time17.9%all ages tested2019–202464121
Index against this model at the same age (95% CI 100.2–104.0)102.1index100 = normal for this model at that age2019–202464121
Rank among this model's 14 build years10of 141 = fails least for its age2019–202464121
Tested in 202410332testsmedian 78,868 miles202410332
line · Audi A5 built 2015 · first-time MOT failure share by age · built 2015 15.2% vs model normal 13.7% at age 4 · 2019–2024
Built 2015 against Audi A5 normal for the age: first-time MOT failure share at each age, age 4: 15.2% vs 13.7%; age 5: 16.1% vs 14.5%; age 6: 16.8% vs 16.9%; age 7: 18.3% vs 18.3%; age 8: 19.4% vs 20%; age 9: 21.6% vs 21.8%. Axis from 0% to 30%. DVSA MOT bulk data, 2019–2024.
Check a 2015 Audi A5 by registration · All Audi A5 MOT statistics · Download the build-year table (CSV)

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).

How does the 2015 Audi A5 fail at each age?

Cars built in 2015 were tested at ages 4 to 9 between 2019 and 2024. Each row compares their first-time failure share with what this model normally shows at that age, after allowing for the overall failure level of each test year.

Audi A5 built 2015: first-time MOT failure by age, against the model's normal rate at that age (2019–2024)
AgeTestsFailed, %95% intervalNormal for this model at that age, %Index (100 = normal)
411,50015.214.6–15.913.7111
510,50416.115.4–16.914.5111
610,71816.816.1–17.616.999.3
710,59918.317.6–1918.399.7
810,46819.418.6–20.22096.8
910,33221.620.8–22.421.899.1

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 64,121 (initial tests) · Method: normal rate = this model's first-time failure share at that age across its build years (cells of 400+ tests), adjusted for each test year's overall level; cells of 30+ tests, under 500 marked rough · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

What fails most on the 2015 Audi A5?

The most common failure group on cars built in 2015 is tyres: 12.9 items per 100 first tests, against 12.1 across all build years of the Audi A5. These counts are not age-adjusted: cars built in 2015 were tested at ages 4 to 9.

Failure items per 100 first tests, Audi A5 built 2015 against the Audi A5 in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2015, per 100All build years, per 100Items
Tyres12.912.18,273
Suspension4.46.82,813
Visibility4.25.62,670
Brakes3.34.32,148
Lamps, reflectors and electrical equipment2.96.31,868

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 64,121 (initial tests of this build year) · Method: failure items grouped by DVSA's top-level defect groups, per 100 initial tests; groups with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does 2015 compare with the years around it?

Among the 14 published build years of the Audi A5, 2015 ranks 10 (1 = fails least for its age). 2014: index 100.4. 2016: index 104.2.

Audi A5 build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
200792.088.5–95.5better9,994
2008106.2104.0–108.4worse29,193
2009102.1100.2–104.0worse40,056
2010102.7101.2–104.2worse65,904
2011100.799.1–102.3no different61,416
201299.197.5–100.8no different58,657
2013101.399.7–103.0no different66,297
2014100.498.7–102.2no different65,894
2015102.1100.2–104.0worse64,121
2016104.2102.0–106.4worse51,920
201791.289.4–93.0better77,277
201895.793.2–98.1better47,329
2019101.798.4–104.9no different30,320
2020113.5107.3–119.7worse9,896

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 678,274 (initial tests) · Method: observed failures against those expected for the same model at the same ages, test-year level adjusted; verdict follows the printed one-decimal bound · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How to cite this page

MOT Risk Index (2026). Audi A5 2015 MOT statistics (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 30 September 2026. motriskindex.co.uk/cars/audi-a5/2015/

How every figure is calculated: methodology. Age, test year and build year are tied together (age = test year − build year), so the test-year level is taken as observed, not estimated.

Other pages for this model

Audi A5 2007 · Audi A5 2008 · Audi A5 2009 · Audi A5 2010 · Audi A5 2011 · Audi A5 2012 · Audi A5 2013 · Audi A5 2014 · Audi A5 2016 · Audi A5 2017 · Audi A5 2018 · Audi A5 2019 · Audi A5 2020 · Audi A5 in Norway · Audi A5 in Finland · Audi A5 in the Netherlands · Audi A5 by postcode area · Audi A5 body, chassis and structure failures · Audi A5 brakes failures · Audi A5 vehicle identification failures · Audi A5 lamps, reflectors and electrics failures · Audi A5 noise, emissions and leaks failures · Audi A5 road wheels failures · Audi A5 seat belts and airbags failures · Audi A5 steering failures · Audi A5 suspension failures · Audi A5 tyres failures · Audi A5 visibility failures