Vauxhall Adam 2018: MOT failure rate for its age
19.3% of 21,951 MOT tests of the Vauxhall Adam 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 101.2 (95% CI 98.2–104.3; 100 = normal for this model at that age): the 2018 build year is no different from other years of the same model at the same age.
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 19.3 | % | all ages tested | 2019–2024 | 21951 |
| Index against this model at the same age (95% CI 98.2–104.3) | 101.2 | index | 100 = normal for this model at that age | 2019–2024 | 21951 |
| Rank among this model's 8 build years | 4 | of 8 | 1 = fails least for its age | 2019–2024 | 21951 |
| Tested in 2024 | 5480 | tests | median 33,236 miles | 2024 | 5480 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2018 Vauxhall Adam 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 | 5,500 | 17.3 | 16.4–18.4 | 15.2 | 113.9 |
| 4 | 5,519 | 19 | 18–20 | 18.9 | 100.7 |
| 5 | 5,452 | 19.3 | 18.3–20.4 | 20 | 96.7 |
| 6 | 5,480 | 21.7 | 20.6–22.8 | 22.3 | 97 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 21,951 (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 Vauxhall Adam?
The most common failure group on cars built in 2018 is visibility: 9.2 items per 100 first tests, against 7.9 across all build years of the Vauxhall Adam. 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 |
|---|---|---|---|
| Visibility | 9.2 | 7.9 | 2,048 |
| Suspension | 4.7 | 10.2 | 1,036 |
| Tyres | 3.9 | 6.4 | 870 |
| Brakes | 3.6 | 5.4 | 805 |
| Steering | 3.6 | 9.3 | 795 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 22,144 (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 8 published build years of the Vauxhall Adam, 2018 ranks 4 (1 = fails least for its age). 2017: index 97.4. 2019: index 102.0.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2012 | 86.1 | 65.5–106.8 | no different (rough estimate) | 246 |
| 2013 | 102.4 | 100.7–104.1 | worse | 46,272 |
| 2014 | 102.4 | 101.1–103.8 | worse | 80,291 |
| 2015 | 99.0 | 97.5–100.5 | no different | 64,966 |
| 2016 | 101.3 | 99.6–103.1 | no different | 56,817 |
| 2017 | 97.4 | 95.2–99.5 | better | 39,564 |
| 2018 | 101.2 | 98.2–104.3 | no different | 21,951 |
| 2019 | 102.0 | 98.1–105.9 | no different | 14,505 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 324,612 (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). Vauxhall Adam 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/vauxhall-adam/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
Vauxhall Adam 2012 · Vauxhall Adam 2013 · Vauxhall Adam 2014 · Vauxhall Adam 2015 · Vauxhall Adam 2016 · Vauxhall Adam 2017 · Vauxhall Adam 2019 · Vauxhall Adam in the Netherlands · Vauxhall Adam by postcode area · Vauxhall Adam body, chassis and structure failures · Vauxhall Adam brakes failures · Vauxhall Adam vehicle identification failures · Vauxhall Adam lamps, reflectors and electrics failures · Vauxhall Adam noise, emissions and leaks failures · Vauxhall Adam road wheels failures · Vauxhall Adam seat belts and airbags failures · Vauxhall Adam steering failures · Vauxhall Adam suspension failures · Vauxhall Adam tyres failures · Vauxhall Adam visibility failures