Mazda 6 vs Mazda Mx-6 2.5i gt 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 Mx-6 2.5i gt auto
62%
MOT pass rate · 77 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda Mx-6 2.5i gt auto (62%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 6 | Mazda Mx-6 2.5i gt auto |
|---|---|---|
| MOT pass rate | 75% ✓ | 62% |
| MOT failure rate | 25% ✓ | 38% |
| Faults & advisories per test | 1.9 ✓ | 2.1 |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 113,866 mi | 117,339 mi |
| Sample size (vehicles) | 159,403 | 77 |
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 Mx-6 2.5i gt auto
- Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Rear Exhaust has a minor leak of exhaust gases (7.1.2)
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust has a minor leak of exhaust gases (7.1.2)
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda Mx-6 2.5i gt auto (62%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 6 report Full Mazda Mx-6 2.5i gt 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.