Does the Audi S4 fail the MOT on brakes more than it should?
The Audi S4 records 4.31 brakes failure items per 100 initial MOT tests (2019–2024), against 14.90 expected for a car of the same age mix: less than expected for its class and age (−10.59, 95% interval −11.31 to −9.88). It ranks 660 of 712 models on brakes (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on brakes · check a Audi S4 by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Audi S4 is “a brake lining or pad worn below 1.5mm”, recorded 114 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| a brake lining or pad worn below 1.5mm | 114 | 1.02 |
| A flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched | 39 | 0.35 |
| Warning device shows system malfunction | 35 | 0.31 |
| Flexible brake hose slightly damaged, chafed or twisted | 33 | 0.29 |
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
If a Audi S4 gets a brakes advisory, how often does it fail next time?
5.5% of Audi S4 MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12 months and 4,768 miles later (1,067 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,067 (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
Audi S4 2019 · Audi S4 2020 · Audi S4 in the Netherlands · Audi S4 by postcode area · Audi S4 body, chassis and structure 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