Infiniti Q50 vs Infiniti Fx: MOT reliability compared
Updated 05 September 2026.
14.8%
Infiniti Fx MOT failure rate, 2.1 pts lower than Infiniti Q50
Infiniti Fx is the more reliable MOT performer: 14.8% of Infiniti Fx MOTs fail versus 16.9% for Infiniti Q50, a 2.1 point gap.
| Metric | Infiniti Q50 | Infiniti Fx |
|---|---|---|
| MOT failure rate | 16.9% | 14.8% |
| Tests analysed | 24,544 | 6,437 |
| Most common failure | Brakes (35.2%) | Tyres (26.0%) |
Questions and answers
Which is more reliable, Infiniti Q50 or Infiniti Fx?
Infiniti Fx is the more reliable MOT performer: 14.8% of Infiniti Fx MOTs fail versus 16.9% for Infiniti Q50, a 2.1 point gap.
What is the MOT failure rate of the Infiniti Q50?
16.9% of Infiniti Q50 MOT tests result in a failure, from 24,544 tests.
What is the MOT failure rate of the Infiniti Fx?
14.8% of Infiniti Fx MOT tests result in a failure, from 6,437 tests.