Peugeot 407 2004: MOT failure rate for its age
47.2% of 4,978 MOT tests of the Peugeot 407 first registered in 2004 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 97.8 (95% CI 93.9–101.8; 100 = normal for this model at that age): the 2004 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 | 47.2 | % | all ages tested | 2019–2024 | 4978 |
| Index against this model at the same age (95% CI 93.9–101.8) | 97.8 | index | 100 = normal for this model at that age | 2019–2024 | 4978 |
| Rank among this model's 8 build years | 3 | of 8 | 1 = fails least for its age | 2019–2024 | 4978 |
| Tested in 2024 | 324 | tests | median 110,767 miles | 2024 | 324 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2004 Peugeot 407 fail at each age?
Cars built in 2004 were tested at ages 15 to 20 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) |
|---|---|---|---|---|---|
| 15 | 1,847 | 48.7 | 46.5–51 | 51.2 | 95.2 |
| 16 | 1,176 | 47.3 | 44.4–50.1 | 47.9 | 98.7 |
| 17 | 863 | 48.8 | 45.5–52.1 | 46.8 | 104.2 |
| 18 | 630 | 43 | 39.2–46.9 | 44.3 | 97.1 |
| 19 | 462 (rough estimate) | 43.9 | 39.5–48.5 | 45.9 | 95.8 |
| 20 | 324 (rough estimate) | 44.8 | 39.4–50.2 | not available | not available |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,302 (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 2004 Peugeot 407?
The most common failure group on cars built in 2004 is lamps, reflectors and electrical equipment: 45.8 items per 100 first tests, against 37.6 across all build years of the Peugeot 407. These counts are not age-adjusted: cars built in 2004 were tested at ages 15 to 20.
| Failure group | Built 2004, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Lamps, reflectors and electrical equipment | 45.8 | 37.6 | 2,429 |
| Brakes | 33.1 | 27.8 | 1,755 |
| Suspension | 28.3 | 21.4 | 1,499 |
| Tyres | 13 | 13.4 | 689 |
| Visibility | 12.5 | 13.2 | 665 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,302 (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 2004 compare with the years around it?
Among the 8 published build years of the Peugeot 407, 2004 ranks 3 (1 = fails least for its age). 2005: index 100.2.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2004 | 97.8 | 93.9–101.8 | no different | 4,978 |
| 2005 | 100.2 | 98.1–102.4 | no different | 17,563 |
| 2006 | 98.9 | 97.1–100.7 | no different | 24,379 |
| 2007 | 98.0 | 96.0–99.9 | better | 21,959 |
| 2008 | 96.4 | 93.8–99.0 | better | 11,652 |
| 2009 | 98.7 | 96.0–101.5 | no different | 10,829 |
| 2010 | 98.8 | 95.7–101.9 | no different | 9,115 |
| 2011 | 96.8 | 88.4–105.1 | no different (rough estimate) | 1,251 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 101,726 (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 407 2004 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-407/2004/
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 407 2005 · Peugeot 407 2006 · Peugeot 407 2007 · Peugeot 407 2008 · Peugeot 407 2009 · Peugeot 407 2010 · Peugeot 407 2011 · Peugeot 407 in Norway · Peugeot 407 in Finland · Peugeot 407 in the Netherlands · Peugeot 407 by postcode area · Peugeot 407 body, chassis and structure failures · Peugeot 407 brakes failures · Peugeot 407 vehicle identification failures · Peugeot 407 lamps, reflectors and electrics failures · Peugeot 407 noise, emissions and leaks failures · Peugeot 407 road wheels failures · Peugeot 407 seat belts and airbags failures · Peugeot 407 steering failures · Peugeot 407 suspension failures · Peugeot 407 tyres failures · Peugeot 407 visibility failures