Does the Audi S4 fail the MOT on body, chassis and structure more than it should?
The Audi S4 records 4.80 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 8.00 expected for a car of the same age mix: less than expected for its class and age (−3.20, 95% interval −3.73 to −2.68). It ranks 489 of 663 models on body, chassis and structure (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Audi S4 by registration
What exactly fails on body, chassis and structure?
The most frequent DVSA defect wording in this group on the Audi S4 is “A transmission shaft constant velocity joint boot severely deteriorated”, recorded 244 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A transmission shaft constant velocity joint boot severely deteriorated | 244 | 2.18 |
| A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 207 | 1.85 |
| Exhaust system leaking or insecure | 42 | 0.37 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 11,213 (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 S4 2019 · Audi S4 2020 · Audi S4 in the Netherlands · Audi S4 by postcode area · Audi S4 brakes failures · Audi S4 vehicle identification failures · Audi S4 lamps, reflectors and electrics failures · Audi S4 noise, emissions and leaks failures · Audi S4 road wheels failures · Audi S4 seat belts and airbags failures · Audi S4 steering failures · Audi S4 suspension failures · Audi S4 tyres failures · Audi S4 visibility failures