Porsche Macan vs Porsche Cayman: MOT reliability compared
Updated 05 September 2026.
7.9%
Porsche Macan MOT failure rate, 3.3 pts lower than Porsche Cayman
Porsche Macan is the more reliable MOT performer: 7.9% of Porsche Macan MOTs fail versus 11.2% for Porsche Cayman, a 3.3 point gap.
| Metric | Porsche Macan | Porsche Cayman |
|---|---|---|
| MOT failure rate | 7.9% | 11.2% |
| Tests analysed | 208,570 | 188,582 |
| Most common failure | Tyres (40.3%) | Lamps & electrical (23.9%) |
Questions and answers
Which is more reliable, Porsche Macan or Porsche Cayman?
Porsche Macan is the more reliable MOT performer: 7.9% of Porsche Macan MOTs fail versus 11.2% for Porsche Cayman, a 3.3 point gap.
What is the MOT failure rate of the Porsche Macan?
7.9% of Porsche Macan MOT tests result in a failure, from 208,570 tests.
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.