Does the Ford Mustang fail the MOT on brakes more than it should?
The Ford Mustang records 8.19 brakes failure items per 100 initial MOT tests (2019–2024), against 8.14 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) (+0.05, 95% interval −0.18 to +0.28). It ranks 319 of 712 models on brakes (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on brakes · check a Ford Mustang by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Ford Mustang is “Parking brake efficiency below minimum requirement”, recorded 1,251 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Parking brake efficiency below minimum requirement | 1,251 | 2.11 |
| Parking brake inoperative on one side | 766 | 1.29 |
| Parking brake efficiency less than 50% of the required value | 598 | 1.01 |
| Significant brake effort recorded with no brake applied indicating a binding brake | 323 | 0.54 |
| a brake lining or pad worn below 1.5mm | 241 | 0.41 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 59,344 (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 Ford Mustang gets a brakes advisory, how often does it fail next time?
13.0% of Ford Mustang MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12 months and 2,943 miles later (3,250 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,250 (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
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