Porsche Boxster vs Porsche 924: MOT reliability compared
Updated 05 September 2026.
17.2%
Porsche Boxster MOT failure rate, 13.2 pts lower than Porsche 924
Porsche Boxster is the more reliable MOT performer: 17.2% of Porsche Boxster MOTs fail versus 30.4% for Porsche 924, a 13.2 point gap.
| Metric | Porsche Boxster | Porsche 924 |
|---|---|---|
| MOT failure rate | 17.2% | 30.4% |
| Tests analysed | 736,425 | 35,782 |
| Most common failure | Lamps & electrical (28.2%) | Brakes (45.8%) |
Questions and answers
Which is more reliable, Porsche Boxster or Porsche 924?
Porsche Boxster is the more reliable MOT performer: 17.2% of Porsche Boxster MOTs fail versus 30.4% for Porsche 924, a 13.2 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 924?
30.4% of Porsche 924 MOT tests result in a failure, from 35,782 tests.