Does the Vauxhall Mokka fail the MOT on noise, emissions and leaks more than it should?
The Vauxhall Mokka records 1.98 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 1.29 expected for a car of the same age mix: more than expected for its class and age (+0.69, 95% interval +0.67 to +0.72). It ranks 166 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 Vauxhall Mokka by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Vauxhall Mokka is “Engine MIL illuminated indicating a malfunction”, recorded 10,400 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 10,400 | 0.88 |
| Emissions test unable to be completed | 3,084 | 0.26 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 2,540 | 0.21 |
| An induction or exhaust leak that could affect emissions levels | 1,868 | 0.16 |
| Emissions levels exceed default limits | 1,379 | 0.12 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,186,685 (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 Vauxhall Mokka gets a noise, emissions and leaks advisory, how often does it fail next time?
4.2% of Vauxhall Mokka MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12 months and 7,253 miles later (28,764 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 28,764 (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
Vauxhall Mokka 2012 · Vauxhall Mokka 2013 · Vauxhall Mokka 2014 · Vauxhall Mokka 2015 · Vauxhall Mokka 2016 · Vauxhall Mokka 2017 · Vauxhall Mokka 2018 · Vauxhall Mokka 2019 · Vauxhall Mokka in Norway · Vauxhall Mokka in Finland · Vauxhall Mokka in the Netherlands · Vauxhall Mokka by postcode area · Vauxhall Mokka body, chassis and structure failures · Vauxhall Mokka brakes failures · Vauxhall Mokka vehicle identification failures · Vauxhall Mokka lamps, reflectors and electrics failures · Vauxhall Mokka road wheels failures · Vauxhall Mokka seat belts and airbags failures · Vauxhall Mokka steering failures · Vauxhall Mokka suspension failures · Vauxhall Mokka tyres failures · Vauxhall Mokka visibility failures