Does the Peugeot 407 fail the MOT on noise, emissions and leaks more than it should?
The Peugeot 407 records 6.27 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 6.90 expected for a car of the same age mix: less than expected for its class and age (−0.63, 95% interval −0.79 to −0.47). It ranks 390 of 678 models on noise, emissions and leaks (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Peugeot 407 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Peugeot 407 is “Smoke opacity levels exceed the manufacturer's specified limit”, recorded 1,980 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Smoke opacity levels exceed the manufacturer's specified limit | 1,980 | 1.93 |
| Engine MIL illuminated indicating a malfunction | 1,966 | 1.92 |
| Smoke opacity levels exceed default limit | 514 | 0.50 |
| Emissions test unable to be completed | 347 | 0.34 |
| Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users | 298 | 0.29 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 102,439 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Peugeot 407 gets a noise, emissions and leaks advisory, how often does it fail next time?
7.4% of Peugeot 407 MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 5,285 miles later (8,959 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 8,959 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Peugeot 407 2004 · 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 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