Mazda 6 vs Mazda 323: MOT reliability compared
Updated 05 September 2026.
24.6%
Mazda 6 MOT failure rate, 8.3 pts lower than Mazda 323
Mazda 6 is the more reliable MOT performer: 24.6% of Mazda 6 MOTs fail versus 32.9% for Mazda 323, a 8.3 point gap.
| Metric | Mazda 6 | Mazda 323 |
|---|---|---|
| MOT failure rate | 24.6% | 32.9% |
| Tests analysed | 1,942,819 | 852,798 |
| Most common failure | Brakes (31.3%) | Suspension (38.9%) |
Questions and answers
Which is more reliable, Mazda 6 or Mazda 323?
Mazda 6 is the more reliable MOT performer: 24.6% of Mazda 6 MOTs fail versus 32.9% for Mazda 323, a 8.3 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 323?
32.9% of Mazda 323 MOT tests result in a failure, from 852,798 tests.