Mazda Mx-5 vs Mazda Cx-5: MOT reliability compared
Updated 05 September 2026.
14.5%
Mazda Cx-5 MOT failure rate, 8.9 pts lower than Mazda Mx-5
Mazda Cx-5 is the more reliable MOT performer: 14.5% of Mazda Cx-5 MOTs fail versus 23.4% for Mazda Mx-5, a 8.9 point gap.
| Metric | Mazda Mx-5 | Mazda Cx-5 |
|---|---|---|
| MOT failure rate | 23.4% | 14.5% |
| Tests analysed | 2,549,412 | 555,867 |
| Most common failure | Brakes (33.4%) | Suspension (30.3%) |
Questions and answers
Which is more reliable, Mazda Mx-5 or Mazda Cx-5?
Mazda Cx-5 is the more reliable MOT performer: 14.5% of Mazda Cx-5 MOTs fail versus 23.4% for Mazda Mx-5, a 8.9 point gap.
What is the MOT failure rate of the Mazda Mx-5?
23.4% of Mazda Mx-5 MOT tests result in a failure, from 2,549,412 tests.
What is the MOT failure rate of the Mazda Cx-5?
14.5% of Mazda Cx-5 MOT tests result in a failure, from 555,867 tests.