Does the Mazda BT-50 fail the MOT on body, chassis and structure more than it should?
The Mazda BT-50 records 19.86 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 19.77 expected for a lcv 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) (+0.09, 95% interval −0.99 to +1.17). It ranks 262 of 663 models on body, chassis and structure (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Mazda BT-50 by registration
What exactly fails on body, chassis and structure?
The most frequent DVSA defect wording in this group on the Mazda BT-50 is “A transmission shaft constant velocity joint boot severely deteriorated”, recorded 191 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A transmission shaft constant velocity joint boot severely deteriorated | 191 | 2.94 |
| Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced | 182 | 2.80 |
| A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 176 | 2.71 |
| Body, cab or chassis excessively corroded at a mounting point | 173 | 2.66 |
| A body panel or body component damaged or corroded and likely to cause injury when grazed or contacted, or insecure | 107 | 1.64 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 6,506 (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 BT-50 gets a body, chassis and structure advisory, how often does it fail next time?
19.5% of Mazda BT-50 MOTs with a body, chassis and structure advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 5,282 miles later (642 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 642 (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 BT-50 by postcode area · Mazda BT-50 brakes failures · Mazda BT-50 vehicle identification failures · Mazda BT-50 lamps, reflectors and electrics failures · Mazda BT-50 noise, emissions and leaks failures · Mazda BT-50 seat belts and airbags failures · Mazda BT-50 steering failures · Mazda BT-50 suspension failures · Mazda BT-50 tyres failures · Mazda BT-50 visibility failures