Does the Morris Minor fail the MOT on noise, emissions and leaks more than it should?
The Morris Minor records 0.73 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 7.36 expected for a car of the same age mix: less than expected for its class and age (−6.63, 95% interval −7.05 to −6.21). It ranks 675 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 Morris Minor by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Morris Minor is “Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users”, recorded 75 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users | 75 | 0.47 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 16,127 (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 Morris Minor gets a noise, emissions and leaks advisory, how often does it fail next time?
1.7% of Morris Minor MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.5 months and 310 miles later (1,249 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,249 (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
Morris Minor by postcode area · Morris Minor body, chassis and structure failures · Morris Minor brakes failures · Morris Minor vehicle identification failures · Morris Minor lamps, reflectors and electrics failures · Morris Minor seat belts and airbags failures · Morris Minor steering failures · Morris Minor suspension failures · Morris Minor tyres failures · Morris Minor visibility failures