Does the Mazda B2500 fail the MOT on noise, emissions and leaks more than it should?
The Mazda B2500 records 4.33 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 9.61 expected for a car of the same age mix: less than expected for its class and age (−5.28, 95% interval −5.83 to −4.73). It ranks 668 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 B2500 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Mazda B2500 is “Smoke opacity levels exceed the manufacturer's specified limit”, recorded 197 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Smoke opacity levels exceed the manufacturer's specified limit | 197 | 1.59 |
| Smoke opacity levels exceed default limit | 94 | 0.76 |
| Emissions test unable to be completed | 90 | 0.73 |
| Emissions test not completed because smoke levels are significantly in excess of the specified limit values | 44 | 0.36 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 12,355 (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 B2500 gets a noise, emissions and leaks advisory, how often does it fail next time?
5.7% of Mazda B2500 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 4,010 miles later (806 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 806 (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 B2500 2002 · Mazda B2500 2003 · Mazda B2500 2004 · Mazda B2500 2005 · Mazda B2500 2006 · Mazda B2500 by postcode area · Mazda B2500 body, chassis and structure failures · Mazda B2500 brakes failures · Mazda B2500 vehicle identification failures · Mazda B2500 lamps, reflectors and electrics failures · Mazda B2500 road wheels failures · Mazda B2500 seat belts and airbags failures · Mazda B2500 steering failures · Mazda B2500 suspension failures · Mazda B2500 tyres failures · Mazda B2500 visibility failures