Does the Porsche Cayenne fail the MOT on brakes more than it should?
The Porsche Cayenne records 4.74 brakes failure items per 100 initial MOT tests (2019–2024), against 10.86 expected for a car of the same age mix: less than expected for its class and age (−6.12, 95% interval −6.28 to −5.96). It ranks 599 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 Porsche Cayenne by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Porsche Cayenne is “a brake lining or pad worn below 1.5mm”, recorded 1,726 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| a brake lining or pad worn below 1.5mm | 1,726 | 1.10 |
| Parking brake efficiency below minimum requirement | 691 | 0.44 |
| A flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched | 676 | 0.43 |
| Brake lining or pad worn down to wear indicator | 406 | 0.26 |
| Brake disc or drum significantly and obviously worn | 403 | 0.26 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 157,425 (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 Porsche Cayenne gets a brakes advisory, how often does it fail next time?
6.4% of Porsche Cayenne MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 5,584 miles later (17,737 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 17,737 (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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