Porsche Cayman vs Porsche Panamera: MOT reliability compared
Updated 05 September 2026.
11.2% vs 11.2%
Line-ball: same MOT failure rate
Porsche Cayman and Porsche Panamera fail their MOT at the same rate, 11.2%.
| Metric | Porsche Cayman | Porsche Panamera |
|---|---|---|
| MOT failure rate | 11.2% | 11.2% |
| Tests analysed | 188,582 | 69,909 |
| Most common failure | Lamps & electrical (23.9%) | Tyres (48.8%) |
Questions and answers
Which is more reliable, Porsche Cayman or Porsche Panamera?
Porsche Cayman and Porsche Panamera fail their MOT at the same rate, 11.2%.
What is the MOT failure rate of the Porsche Cayman?
11.2% of Porsche Cayman MOT tests result in a failure, from 188,582 tests.
What is the MOT failure rate of the Porsche Panamera?
11.2% of Porsche Panamera MOT tests result in a failure, from 69,909 tests.