Mazda 6 vs Mazda 626: MOT reliability compared
Updated 05 September 2026.
24.6%
Mazda 6 MOT failure rate, 8.2 pts lower than Mazda 626
Mazda 6 is the more reliable MOT performer: 24.6% of Mazda 6 MOTs fail versus 32.8% for Mazda 626, a 8.2 point gap.
| Metric | Mazda 6 | Mazda 626 |
|---|---|---|
| MOT failure rate | 24.6% | 32.8% |
| Tests analysed | 1,942,819 | 326,996 |
| Most common failure | Brakes (31.3%) | Brakes (50.0%) |
Questions and answers
Which is more reliable, Mazda 6 or Mazda 626?
Mazda 6 is the more reliable MOT performer: 24.6% of Mazda 6 MOTs fail versus 32.8% for Mazda 626, a 8.2 point gap.
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.
What is the MOT failure rate of the Mazda 626?
32.8% of Mazda 626 MOT tests result in a failure, from 326,996 tests.