Porsche Cayenne vs Porsche 944: MOT reliability compared
Updated 05 September 2026.
15.4%
Porsche Cayenne MOT failure rate, 12.3 pts lower than Porsche 944
Porsche Cayenne is the more reliable MOT performer: 15.4% of Porsche Cayenne MOTs fail versus 27.7% for Porsche 944, a 12.3 point gap.
| Metric | Porsche Cayenne | Porsche 944 |
|---|---|---|
| MOT failure rate | 15.4% | 27.7% |
| Tests analysed | 406,237 | 103,392 |
| Most common failure | Tyres (29.2%) | Brakes (43.8%) |
Questions and answers
Which is more reliable, Porsche Cayenne or Porsche 944?
Porsche Cayenne is the more reliable MOT performer: 15.4% of Porsche Cayenne MOTs fail versus 27.7% for Porsche 944, a 12.3 point gap.
What is the MOT failure rate of the Porsche Cayenne?
15.4% of Porsche Cayenne MOT tests result in a failure, from 406,237 tests.
What is the MOT failure rate of the Porsche 944?
27.7% of Porsche 944 MOT tests result in a failure, from 103,392 tests.