Does the Toyota Prius fail the MOT on brakes more than it should?
The Toyota Prius records 4.89 brakes failure items per 100 initial MOT tests (2019–2024), against 9.69 expected for a car of the same age mix: less than expected for its class and age (−4.80, 95% interval −4.87 to −4.73). It ranks 561 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 Toyota Prius by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Toyota Prius is “a brake lining or pad worn below 1.5mm”, recorded 11,284 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| a brake lining or pad worn below 1.5mm | 11,284 | 1.34 |
| Brake pipe damaged or excessively corroded | 4,553 | 0.54 |
| Parking brake efficiency below minimum requirement | 4,380 | 0.52 |
| Brake disc or drum significantly and obviously worn | 2,973 | 0.35 |
| Brake disc or drum excessively weakened, insecure or fractured | 2,349 | 0.28 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 842,178 (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 Toyota Prius gets a brakes advisory, how often does it fail next time?
7.9% of Toyota Prius MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12 months and 7,480 miles later (84,874 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 84,874 (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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