Mazda 3 vs Mazda 323: MOT reliability compared
Updated 05 September 2026.
22.4%
Mazda 3 MOT failure rate, 10.5 pts lower than Mazda 323
Mazda 3 is the more reliable MOT performer: 22.4% of Mazda 3 MOTs fail versus 32.9% for Mazda 323, a 10.5 point gap.
| Metric | Mazda 3 | Mazda 323 |
|---|---|---|
| MOT failure rate | 22.4% | 32.9% |
| Tests analysed | 2,101,290 | 852,798 |
| Most common failure | Suspension (37.3%) | Suspension (38.9%) |
Questions and answers
Which is more reliable, Mazda 3 or Mazda 323?
Mazda 3 is the more reliable MOT performer: 22.4% of Mazda 3 MOTs fail versus 32.9% for Mazda 323, a 10.5 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 323?
32.9% of Mazda 323 MOT tests result in a failure, from 852,798 tests.