Peugeot 508 2015: MOT failure rate for its age
21.3% of 6,854 MOT tests of the Peugeot 508 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 88.5 (95% CI 83.9–93.0; 100 = normal for this model at that age): the 2015 Peugeot 508 fails less often than other build years of the same model at the same age.
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 21.3 | % | all ages tested | 2019–2024 | 6854 |
| Index against this model at the same age (95% CI 83.9–93.0) | 88.5 | index | 100 = normal for this model at that age | 2019–2024 | 6854 |
| Rank among this model's 10 build years | 3 | of 10 | 1 = fails least for its age | 2019–2024 | 6854 |
| Tested in 2024 | 1063 | tests | median 90,474 miles | 2024 | 1063 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2015 Peugeot 508 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.
| Age | Tests | Failed, % | 95% interval | Normal for this model at that age, % | Index (100 = normal) |
|---|---|---|---|---|---|
| 4 | 1,221 | 17.7 | 15.7–19.9 | 20.9 | 84.7 |
| 5 | 1,149 | 18.5 | 16.4–20.9 | 18.3 | 101.6 |
| 6 | 1,157 | 19.5 | 17.4–21.9 | 23.3 | 83.8 |
| 7 | 1,159 | 21.8 | 19.5–24.3 | 26.4 | 82.7 |
| 8 | 1,105 | 24 | 21.6–26.6 | 27.6 | 86.8 |
| 9 | 1,063 | 27.2 | 24.6–29.9 | 28.9 | 94.2 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,854 (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 Peugeot 508?
The most common failure group on cars built in 2015 is lamps, reflectors and electrical equipment: 13.1 items per 100 first tests, against 18.7 across all build years of the Peugeot 508. These counts are not age-adjusted: cars built in 2015 were tested at ages 4 to 9.
| Failure group | Built 2015, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Lamps, reflectors and electrical equipment | 13.1 | 18.7 | 896 |
| Tyres | 8.7 | 10.4 | 599 |
| Brakes | 7 | 8.7 | 479 |
| Body, chassis, structure | 5.6 | 3.6 | 387 |
| Suspension | 4.3 | 9.3 | 295 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,854 (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 10 published build years of the Peugeot 508, 2015 ranks 3 (1 = fails least for its age). 2014: index 96.4. 2016: index 94.9.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2011 | 98.9 | 96.5–101.3 | no different | 20,051 |
| 2012 | 103.0 | 100.8–105.2 | worse | 26,179 |
| 2013 | 104.2 | 101.5–106.8 | worse | 19,577 |
| 2014 | 96.4 | 92.5–100.3 | no different | 9,293 |
| 2015 | 88.5 | 83.9–93.0 | better | 6,854 |
| 2016 | 94.9 | 89.7–100.2 | no different | 5,949 |
| 2017 | 83.9 | 76.0–91.8 | better (rough estimate) | 2,491 |
| 2018 | 77.8 | 67.9–87.7 | better (rough estimate) | 1,603 |
| 2019 | 105.3 | 99.7–110.8 | no different | 7,457 |
| 2020 | 112.6 | 104.0–121.2 | worse (rough estimate) | 3,240 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 102,694 (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). Peugeot 508 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/peugeot-508/2015/
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
Peugeot 508 2011 · Peugeot 508 2012 · Peugeot 508 2013 · Peugeot 508 2014 · Peugeot 508 2016 · Peugeot 508 2017 · Peugeot 508 2018 · Peugeot 508 2019 · Peugeot 508 2020 · Peugeot 508 in Norway · Peugeot 508 in Finland · Peugeot 508 in the Netherlands · Peugeot 508 by postcode area · Peugeot 508 body, chassis and structure failures · Peugeot 508 brakes failures · Peugeot 508 vehicle identification failures · Peugeot 508 lamps, reflectors and electrics failures · Peugeot 508 noise, emissions and leaks failures · Peugeot 508 road wheels failures · Peugeot 508 seat belts and airbags failures · Peugeot 508 steering failures · Peugeot 508 suspension failures · Peugeot 508 tyres failures · Peugeot 508 visibility failures