Does the Chevrolet Lacetti fail the MOT on noise, emissions and leaks more than it should?
The Chevrolet Lacetti records 8.49 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 6.22 expected for a car of the same age mix: more than expected for its class and age (+2.27, 95% interval +1.90 to +2.63). It ranks 83 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 Chevrolet Lacetti by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Chevrolet Lacetti is “Engine MIL illuminated indicating a malfunction”, recorded 808 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 808 | 3.27 |
| Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users | 327 | 1.32 |
| Emissions test unable to be completed | 294 | 1.19 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 222 | 0.90 |
| Emissions levels exceed default limits | 217 | 0.88 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 24,731 (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 Chevrolet Lacetti gets a noise, emissions and leaks advisory, how often does it fail next time?
8.9% of Chevrolet Lacetti MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 4,436 miles later (4,187 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 4,187 (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
Chevrolet Lacetti 2005 · Chevrolet Lacetti 2006 · Chevrolet Lacetti 2007 · Chevrolet Lacetti 2008 · Chevrolet Lacetti 2009 · Chevrolet Lacetti 2010 · Chevrolet Lacetti 2011 · Chevrolet Lacetti by postcode area · Chevrolet Lacetti body, chassis and structure failures · Chevrolet Lacetti brakes failures · Chevrolet Lacetti vehicle identification failures · Chevrolet Lacetti lamps, reflectors and electrics failures · Chevrolet Lacetti road wheels failures · Chevrolet Lacetti seat belts and airbags failures · Chevrolet Lacetti steering failures · Chevrolet Lacetti suspension failures · Chevrolet Lacetti tyres failures · Chevrolet Lacetti visibility failures