Mazda Mx-5 vs Mazda 5: MOT reliability compared
Updated 05 September 2026.
23.4%
Mazda Mx-5 MOT failure rate, 6.3 pts lower than Mazda 5
Mazda Mx-5 is the more reliable MOT performer: 23.4% of Mazda Mx-5 MOTs fail versus 29.7% for Mazda 5, a 6.3 point gap.
| Metric | Mazda Mx-5 | Mazda 5 |
|---|---|---|
| MOT failure rate | 23.4% | 29.7% |
| Tests analysed | 2,549,412 | 419,915 |
| Most common failure | Brakes (33.4%) | Suspension (44.7%) |
Questions and answers
Which is more reliable, Mazda Mx-5 or Mazda 5?
Mazda Mx-5 is the more reliable MOT performer: 23.4% of Mazda Mx-5 MOTs fail versus 29.7% for Mazda 5, a 6.3 point gap.
What is the MOT failure rate of the Mazda Mx-5?
23.4% of Mazda Mx-5 MOT tests result in a failure, from 2,549,412 tests.
What is the MOT failure rate of the Mazda 5?
29.7% of Mazda 5 MOT tests result in a failure, from 419,915 tests.