Mazda 323 vs Mazda 5: MOT reliability compared
Updated 05 September 2026.
29.7%
Mazda 5 MOT failure rate, 3.2 pts lower than Mazda 323
Mazda 5 is the more reliable MOT performer: 29.7% of Mazda 5 MOTs fail versus 32.9% for Mazda 323, a 3.2 point gap.
| Metric | Mazda 323 | Mazda 5 |
|---|---|---|
| MOT failure rate | 32.9% | 29.7% |
| Tests analysed | 852,798 | 419,915 |
| Most common failure | Suspension (38.9%) | Suspension (44.7%) |
Questions and answers
Which is more reliable, Mazda 323 or Mazda 5?
Mazda 5 is the more reliable MOT performer: 29.7% of Mazda 5 MOTs fail versus 32.9% for Mazda 323, a 3.2 point gap.
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.
What is the MOT failure rate of the Mazda 5?
29.7% of Mazda 5 MOT tests result in a failure, from 419,915 tests.