Mazda 6 vs Mazda Eunos 800 m 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 800 m auto
67%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda Eunos 800 m 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 800 m auto |
|---|---|---|
| MOT pass rate | 75% ✓ | 67% |
| MOT failure rate | 25% ✓ | 33% |
| Faults & advisories per test | 1.9 | 0.8 ✓ |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 113,866 mi | 77,375 mi |
| Sample size (vehicles) | 159,403 | 2 |
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 800 m auto
- Left front and left rear brake disc's have heavy corrosion..Right front drive shaft centre pot-joint gaiter split open..
- Headlamp aim too low (1.8)
- Offside Rear fog lamp missing (1.3.2a)
- Rear fog lamp switch missing (1.3.1a)
- Rear fog lamp tell tale not working (1.3.1b)
- ENGINE HAS MANY OIL LEAKS
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda Eunos 800 m 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 800 m 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.