Porsche 924: brakes MOT failures
Brakes was a recorded failure area in 9.3% of Porsche 924 MOT tests in this dataset. It is most prominent on 1985, 1987 cars.
Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair cost: £100–£350 per axle (rough UK ballpark, not a quote).
Brakes failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 1985 | 401 | 9.7% |
| 1987 | 510 | 11.2% |
| 1988 | 471 | 9.3% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.