Mazda Mx-5 vs Mazda 6: MOT reliability compared
Updated 05 September 2026.
23.4%
Mazda Mx-5 MOT failure rate, 1.2 pts lower than Mazda 6
Mazda Mx-5 is the more reliable MOT performer: 23.4% of Mazda Mx-5 MOTs fail versus 24.6% for Mazda 6, a 1.2 point gap.
| Metric | Mazda Mx-5 | Mazda 6 |
|---|---|---|
| MOT failure rate | 23.4% | 24.6% |
| Tests analysed | 2,549,412 | 1,942,819 |
| Most common failure | Brakes (33.4%) | Brakes (31.3%) |
Questions and answers
Which is more reliable, Mazda Mx-5 or Mazda 6?
Mazda Mx-5 is the more reliable MOT performer: 23.4% of Mazda Mx-5 MOTs fail versus 24.6% for Mazda 6, a 1.2 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 6?
24.6% of Mazda 6 MOT tests result in a failure, from 1,942,819 tests.