Audi A1 2018: MOT failure rate for its age
13.3% of 80,567 MOT tests of the Audi A1 first registered in 2018 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 105.4 (95% CI 103.4–107.3; 100 = normal for this model at that age): the 2018 Audi A1 fails more often than other build years of the same model at the same age.
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 13.3 | % | all ages tested | 2019–2024 | 80567 |
| Index against this model at the same age (95% CI 103.4–107.3) | 105.4 | index | 100 = normal for this model at that age | 2019–2024 | 80567 |
| Rank among this model's 11 build years | 11 | of 11 | 1 = fails least for its age | 2019–2024 | 80567 |
| Tested in 2024 | 19943 | tests | median 38,359 miles | 2024 | 19943 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2018 Audi A1 fail at each age?
Cars built in 2018 were tested at ages 3 to 6 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.
| Age | Tests | Failed, % | 95% interval | Normal for this model at that age, % | Index (100 = normal) |
|---|---|---|---|---|---|
| 3 | 20,462 | 10.5 | 10.1–10.9 | 9.7 | 108.7 |
| 4 | 20,195 | 11.1 | 10.7–11.6 | 10.9 | 102.2 |
| 5 | 19,967 | 14 | 13.5–14.5 | 13.4 | 104.5 |
| 6 | 19,943 | 17.8 | 17.3–18.3 | 16.8 | 106.1 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 80,567 (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 2018 Audi A1?
The most common failure group on cars built in 2018 is tyres: 8 items per 100 first tests, against 9.3 across all build years of the Audi A1. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.
| Failure group | Built 2018, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Tyres | 8 | 9.3 | 6,506 |
| Suspension | 3.1 | 8 | 2,511 |
| Visibility | 2.8 | 4.2 | 2,273 |
| Brakes | 2.5 | 5.4 | 2,031 |
| Lamps, reflectors and electrical equipment | 2.3 | 5.1 | 1,842 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 81,354 (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 2018 compare with the years around it?
Among the 11 published build years of the Audi A1, 2018 ranks 11 (1 = fails least for its age). 2017: index 104.0. 2019: index 97.2.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2010 | 104.8 | 101.0–108.7 | worse | 8,762 |
| 2011 | 104.9 | 103.7–106.0 | worse | 99,987 |
| 2012 | 101.8 | 100.7–103.0 | worse | 112,223 |
| 2013 | 102.3 | 101.2–103.4 | worse | 134,681 |
| 2014 | 97.0 | 95.9–98.2 | better | 138,950 |
| 2015 | 94.0 | 92.8–95.2 | better | 144,041 |
| 2016 | 103.0 | 101.7–104.2 | worse | 155,112 |
| 2017 | 104.0 | 102.4–105.5 | worse | 121,964 |
| 2018 | 105.4 | 103.4–107.3 | worse | 80,567 |
| 2019 | 97.2 | 94.9–99.6 | better | 62,006 |
| 2020 | 100.1 | 96.4–103.9 | no different | 26,895 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,085,188 (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 A1 2018 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-a1/2018/
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 A1 2010 · Audi A1 2011 · Audi A1 2012 · Audi A1 2013 · Audi A1 2014 · Audi A1 2015 · Audi A1 2016 · Audi A1 2017 · Audi A1 2019 · Audi A1 2020 · Audi A1 in Norway · Audi A1 in Finland · Audi A1 in the Netherlands · Audi A1 by postcode area · Audi A1 body, chassis and structure failures · Audi A1 brakes failures · Audi A1 vehicle identification failures · Audi A1 lamps, reflectors and electrics failures · Audi A1 noise, emissions and leaks failures · Audi A1 road wheels failures · Audi A1 seat belts and airbags failures · Audi A1 steering failures · Audi A1 suspension failures · Audi A1 tyres failures · Audi A1 visibility failures