MOT Risk Index.co.uk

Does the Audi S4 fail the MOT on steering more than it should?

The Audi S4 records 1.11 steering failure items per 100 initial MOT tests (2019–2024), against 3.74 expected for a car of the same age mix: less than expected for its class and age (−2.63, 95% interval −2.98 to −2.27). It ranks 520 of 640 models on steering (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on steering · check a Audi S4 by registration

What exactly fails on steering?

The most frequent DVSA defect wording in this group on the Audi S4 is “Steering rack gaiter or ball joint dust cover damaged or deteriorated”, recorded 49 times in 2019–2024.

Audi S4: most frequent steering defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Steering rack gaiter or ball joint dust cover damaged or deteriorated490.44
Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc330.29

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

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 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 suspension failures · Audi S4 tyres failures · Audi S4 visibility failures