Does the Peugeot 306 fail the MOT on noise, emissions and leaks more than it should?
The Peugeot 306 records 14.97 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 10.25 expected for a car of the same age mix: more than expected for its class and age (+4.72, 95% interval +4.37 to +5.07). It ranks 37 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 306 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Peugeot 306 is “Emissions levels exceed default limits”, recorded 2,164 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Emissions levels exceed default limits | 2,164 | 4.68 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 1,385 | 2.99 |
| Emissions levels exceed the manufacturer's specified limits | 946 | 2.04 |
| Emissions test unable to be completed | 776 | 1.68 |
| An induction or exhaust leak that could affect emissions levels | 382 | 0.83 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 46,265 (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 306 gets a noise, emissions and leaks advisory, how often does it fail next time?
11.2% of Peugeot 306 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 3,076 miles later (5,601 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,601 (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 306 1998 · Peugeot 306 1999 · Peugeot 306 2000 · Peugeot 306 2001 · Peugeot 306 2002 · Peugeot 306 in the Netherlands · Peugeot 306 by postcode area · Peugeot 306 body, chassis and structure failures · Peugeot 306 brakes failures · Peugeot 306 vehicle identification failures · Peugeot 306 lamps, reflectors and electrics failures · Peugeot 306 road wheels failures · Peugeot 306 seat belts and airbags failures · Peugeot 306 steering failures · Peugeot 306 suspension failures · Peugeot 306 tyres failures · Peugeot 306 visibility failures