Does the Audi RS4 fail the MOT on noise, emissions and leaks more than it should?
The Audi RS4 records 4.25 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 6.38 expected for a car of the same age mix: less than expected for its class and age (−2.13, 95% interval −2.66 to −1.60). It ranks 552 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 Audi RS4 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Audi RS4 is “Emissions levels exceed default limits”, recorded 112 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Emissions levels exceed default limits | 112 | 1.27 |
| Engine MIL illuminated indicating a malfunction | 92 | 1.04 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 76 | 0.86 |
| Emissions levels exceed the manufacturer's specified limits | 36 | 0.41 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 8,805 (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
Audi RS4 2006 · Audi RS4 2007 · Audi RS4 by postcode area · Audi RS4 body, chassis and structure failures · Audi RS4 brakes failures · Audi RS4 vehicle identification failures · Audi RS4 lamps, reflectors and electrics failures · Audi RS4 road wheels failures · Audi RS4 seat belts and airbags failures · Audi RS4 steering failures · Audi RS4 suspension failures · Audi RS4 tyres failures · Audi RS4 visibility failures