Porsche Boxster vs Porsche 944: MOT reliability compared
Updated 05 September 2026.
17.2%
Porsche Boxster MOT failure rate, 10.5 pts lower than Porsche 944
Porsche Boxster is the more reliable MOT performer: 17.2% of Porsche Boxster MOTs fail versus 27.7% for Porsche 944, a 10.5 point gap.
| Metric | Porsche Boxster | Porsche 944 |
|---|---|---|
| MOT failure rate | 17.2% | 27.7% |
| Tests analysed | 736,425 | 103,392 |
| Most common failure | Lamps & electrical (28.2%) | Brakes (43.8%) |
Questions and answers
Which is more reliable, Porsche Boxster or Porsche 944?
Porsche Boxster is the more reliable MOT performer: 17.2% of Porsche Boxster MOTs fail versus 27.7% for Porsche 944, a 10.5 point gap.
What is the MOT failure rate of the Porsche Boxster?
17.2% of Porsche Boxster MOT tests result in a failure, from 736,425 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.