Mazda Mx-5 vs Mazda Xedos 9: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
More reliable
Mazda Xedos 9
69%
MOT pass rate · 652 vehicles
Verdict: On MOT pass rate, the Mazda Mx-5 is the more reliable of the two — 77% pass first time versus 69%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Mazda Mx-5 | Mazda Xedos 9 |
|---|---|---|
| MOT pass rate | 77% ✓ | 69% |
| MOT failure rate | 23% ✓ | 31% |
| Faults & advisories per test | 1.8 ✓ | 2.2 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 90,085 mi | 119,512 mi |
| Sample size (vehicles) | 162,634 | 652 |
Most common faults
Mazda Mx-5
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Oil leak, but not excessive (8.4.1 (a) (i))
Mazda Xedos 9
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Oil leak
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Exhaust has part of the system slightly deteriorated (7.1.1a)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate, the Mazda Mx-5 is the more reliable of the two — 77% pass first time versus 69%. It's one signal among several; check the full breakdown below.
Full Mazda Mx-5 report Full Mazda Xedos 9 report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.