Does the Mazda CX-5 fail the MOT on noise, emissions and leaks more than it should?
The Mazda CX-5 records 1.09 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 1.32 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (−0.23, 95% interval −0.27 to −0.18). It ranks 306 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 Mazda CX-5 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Mazda CX-5 is “Engine MIL illuminated indicating a malfunction”, recorded 1,354 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 1,354 | 0.45 |
| Smoke opacity levels exceed the manufacturer's specified limit | 577 | 0.19 |
| Emissions test unable to be completed | 348 | 0.12 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour | 280 | 0.09 |
| Emissions test not completed because smoke levels are significantly in excess of the specified limit values | 178 | 0.06 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 298,443 (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 Mazda CX-5 gets a noise, emissions and leaks advisory, how often does it fail next time?
3.4% of Mazda CX-5 MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 11.9 months and 6,544 miles later (1,377 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,377 (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
Mazda CX-5 2012 · Mazda CX-5 2013 · Mazda CX-5 2014 · Mazda CX-5 2015 · Mazda CX-5 2016 · Mazda CX-5 2017 · Mazda CX-5 2018 · Mazda CX-5 2019 · Mazda CX-5 2020 · Mazda CX-5 in Norway · Mazda CX-5 in Finland · Mazda CX-5 in the Netherlands · Mazda CX-5 by postcode area · Mazda CX-5 body, chassis and structure failures · Mazda CX-5 brakes failures · Mazda CX-5 vehicle identification failures · Mazda CX-5 lamps, reflectors and electrics failures · Mazda CX-5 road wheels failures · Mazda CX-5 seat belts and airbags failures · Mazda CX-5 steering failures · Mazda CX-5 suspension failures · Mazda CX-5 tyres failures · Mazda CX-5 visibility failures