Mazda 3 vs Mazda 6: MOT reliability compared
Updated 05 September 2026.
22.4%
Mazda 3 MOT failure rate, 2.2 pts lower than Mazda 6
Mazda 3 is the more reliable MOT performer: 22.4% of Mazda 3 MOTs fail versus 24.6% for Mazda 6, a 2.2 point gap.
| Metric | Mazda 3 | Mazda 6 |
|---|---|---|
| MOT failure rate | 22.4% | 24.6% |
| Tests analysed | 2,101,290 | 1,942,819 |
| Most common failure | Suspension (37.3%) | Brakes (31.3%) |
Questions and answers
Which is more reliable, Mazda 3 or Mazda 6?
Mazda 3 is the more reliable MOT performer: 22.4% of Mazda 3 MOTs fail versus 24.6% for Mazda 6, a 2.2 point gap.
What is the MOT failure rate of the Mazda 3?
22.4% of Mazda 3 MOT tests result in a failure, from 2,101,290 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.