MINI John vs MINI Roadster: MOT reliability compared
Updated 05 September 2026.
12.8%
MINI John MOT failure rate, 2.0 pts lower than MINI Roadster
MINI John is the more reliable MOT performer: 12.8% of MINI John MOTs fail versus 14.8% for MINI Roadster, a 2.0 point gap.
| Metric | MINI John | MINI Roadster |
|---|---|---|
| MOT failure rate | 12.8% | 14.8% |
| Tests analysed | 146,908 | 30,656 |
| Most common failure | Tyres (48.8%) | Tyres (26.0%) |
Questions and answers
Which is more reliable, MINI John or MINI Roadster?
MINI John is the more reliable MOT performer: 12.8% of MINI John MOTs fail versus 14.8% for MINI Roadster, a 2.0 point gap.
What is the MOT failure rate of the MINI John?
12.8% of MINI John MOT tests result in a failure, from 146,908 tests.
What is the MOT failure rate of the MINI Roadster?
14.8% of MINI Roadster MOT tests result in a failure, from 30,656 tests.