Does the DS DS4 fail the MOT on noise, emissions and leaks more than it should?
The DS DS4 records 1.63 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 1.11 expected for a car of the same age mix: more than expected for its class and age (+0.52, 95% interval +0.36 to +0.67). It ranks 178 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 DS DS4 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the DS DS4 is “Engine MIL illuminated indicating a malfunction”, recorded 243 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 243 | 0.94 |
| Emissions test unable to be completed | 49 | 0.19 |
| Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users | 36 | 0.14 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 25,912 (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
DS DS4 2015 · DS DS4 2016 · DS DS4 2017 · DS DS4 2018 · DS DS4 by postcode area · DS DS4 body, chassis and structure failures · DS DS4 brakes failures · DS DS4 vehicle identification failures · DS DS4 lamps, reflectors and electrics failures · DS DS4 road wheels failures · DS DS4 seat belts and airbags failures · DS DS4 steering failures · DS DS4 suspension failures · DS DS4 tyres failures · DS DS4 visibility failures