Mazda 6 vs Mazda T59: 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 T59
57%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda T59 (57%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 6 | Mazda T59 |
|---|---|---|
| MOT pass rate | 75% ✓ | 57% |
| MOT failure rate | 25% ✓ | 43% |
| Faults & advisories per test | 1.9 | 1.3 ✓ |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 113,866 mi | 196,020 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 T59
- Exhaust has a major leak of exhaust gases (7.1.2)
- Offside Rear fog lamp not working (1.3.2b)
- Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)
- unable to test all rear seatbelts as seats not fitted at time of test.
- Exhaust has part of the system excessively deteriorated (7.1.1a)
- Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone 'A' (8.3.1e)
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda T59 (57%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 6 report Full Mazda T59 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.