Mazda 6 vs Mazda Eunos 500: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda 6
75%
MOT pass rate · 159,403 vehicles
Mazda Eunos 500
60%
MOT pass rate · 5 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda Eunos 500 (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 6 | Mazda Eunos 500 |
|---|---|---|
| MOT pass rate | 75% ✓ | 60% |
| MOT failure rate | 25% ✓ | 40% |
| Faults & advisories per test | 1.9 ✓ | 2.0 |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 113,866 mi | 123,175 mi |
| Sample size (vehicles) | 159,403 | 5 |
Most common faults
Mazda 6
- 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)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Under-trays fitted obscuring some underside components
Mazda Eunos 500
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Nearside Front Suspension arm worn but not seriously weakened (2.4.G.1)
- Nearside Front constant velocity joint gaiter deteriorated (2.5.C.1a)
- Exhaust has a major leak of exhaust gases (7.1.2)
- Nearside Front Lower Suspension arm has excessive play in a pin/bush (2.4.G.2)
- Nearside Front constant velocity joint gaiter split (2.5.C.1a)
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda Eunos 500 (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 6 report Full Mazda Eunos 500 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.