173,637 tests in 2025
Porsche MOT pass rates
Porsche’s first-time fail rate across 9 models was 10.5%, better than the national 22.6%. The spread between models below is the interesting part.
| Model | Tests | Pass rate | Fail rate | Median miles |
|---|---|---|---|---|
| 911 | 48,488 | 90.8% | 9.2% | 52,441 |
| Macan | 32,128 | 92.4% | 7.6% | 45,441 |
| Boxster | 29,806 | 85.1% | 14.9% | 63,626 |
| Cayenne | 29,549 | 87.8% | 12.2% | 74,924 |
| Cayman | 13,535 | 90.5% | 9.5% | 45,590 |
| Taycan | 9,822 | 91.8% | 8.2% | 27,269 |
| Panamera | 6,967 | 89.6% | 10.4% | 63,056 |
| 944 | 1,997 | 81.7% | 18.3% | 116,712 |
| 718 | 1,345 | 96.7% | 3.3% | 9,897 |
Fail rates are first attempts at class 4 normal tests in 2025, from DVSA’s anonymised data (retrieved 2026-09-12). Age mix drives a lot of the spread: a model sold mostly since 2020 will beat one whose survivors average 15 years old. Each model page shows the rate by age band.