Most reliable Mazda: MOT failure rates ranked
Updated 05 September 2026.
8.0%
Mazda Cx-30, the most reliable Mazda
The most reliable Mazda on MOT failure rate is the Mazda Cx-30, at 8.0% failures across 65,167 tests.
| Rank | Model | MOT failure rate | Tests |
|---|---|---|---|
| 1 | Mazda Cx-30 | 8.0% | 65,167 |
| 2 | Mazda Mx-30 | 9.0% | 7,645 |
| 3 | Mazda Cx-3 | 11.5% | 184,089 |
| 4 | Mazda Cx-5 | 14.5% | 555,867 |
| 5 | Mazda 2 | 21.3% | 2,005,712 |
| 6 | Mazda 3 | 22.4% | 2,101,290 |
| 7 | Mazda Mx-5 | 23.4% | 2,549,412 |
| 8 | Mazda 6 | 24.6% | 1,942,819 |
| 9 | Mazda Rx-7 | 24.8% | 26,753 |
| 10 | Mazda Bt-50 | 26.6% | 28,397 |
| 11 | Mazda Rx-8 | 27.0% | 305,722 |
| 12 | Mazda Demio | 27.0% | 137,028 |
| 13 | Mazda Cx-7 | 27.0% | 44,605 |
| 14 | Mazda Tribute | 29.0% | 38,692 |
| 15 | Mazda Premacy | 29.5% | 132,121 |
Questions and answers
What is the most reliable Mazda at MOT?
The most reliable Mazda on MOT failure rate is the Mazda Cx-30, at 8.0% failures across 65,167 tests.
Which Mazda fails its MOT most often?
The Mazda 121 has the highest MOT failure rate of the Mazda range, at 37.3%.