Does the Porsche Carrera fail the MOT on noise, emissions and leaks more than it should?
The Porsche Carrera records 3.07 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 8.10 expected for a car of the same age mix: less than expected for its class and age (−5.03, 95% interval −5.80 to −4.26). It ranks 661 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 Porsche Carrera by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Porsche Carrera is “Emissions levels exceed default limits”, recorded 66 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Emissions levels exceed default limits | 66 | 1.25 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 49 | 0.93 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,274 (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
Other pages for this model
Porsche Carrera by postcode area · Porsche Carrera body, chassis and structure failures · Porsche Carrera brakes failures · Porsche Carrera vehicle identification failures · Porsche Carrera lamps, reflectors and electrics failures · Porsche Carrera seat belts and airbags failures · Porsche Carrera steering failures · Porsche Carrera suspension failures · Porsche Carrera tyres failures · Porsche Carrera visibility failures