Mazda 6 vs Mazda Eunos auto: 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 auto
67%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda Eunos auto (67%) 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 auto |
|---|---|---|
| MOT pass rate | 75% ✓ | 67% |
| MOT failure rate | 25% ✓ | 33% |
| Faults & advisories per test | 1.9 ✓ | 2.7 |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 113,866 mi | 135,748 mi |
| Sample size (vehicles) | 159,403 | 1 |
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 auto
- Parking brake: efficiency below requirements (3.7.B.7)
- Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement (7.2.4b)
- Oil leak, but not excessive (8.4.1 (a) (i))
- Horn not working (1.6.2a)
- Nearside rear parking brake recording little or no effort (3.7.B.6a)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda Eunos auto (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 6 report Full Mazda Eunos auto 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.