Porsche 911 MOT data by year
The Porsche 911 appears in 251,987 MOT tests in this dataset across model years 1980–2025. Its most common failure areas are lighting & signalling, tyres and brakes, and its overall pass rate is 90.3%.
251,987
MOT tests analysed
90.3%
Pass rate
9.7%
Fail rate
1980–2025
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 4.8% | 12,018 |
| 2 | Tyres | 2.3% | 5,679 |
| 3 | Brakes | 2.0% | 4,958 |
| 4 | Emissions & environmental | 1.9% | 4,871 |
| 5 | Suspension | 1.6% | 3,979 |
| 6 | Body, structure & corrosion | 1.5% | 3,739 |
| 7 | Visibility | 1.5% | 3,683 |
| 8 | Other defects | 0.5% | 1,345 |
Methodology & source. Based on 251,987 MOT tests. 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.