Mazda 626 sdx auto vs Mazda Mx-5: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda 626 sdx auto
67%
MOT pass rate · 1,157 vehicles
Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
Verdict: On MOT pass rate the Mazda 626 sdx auto (67%) and Mazda Mx-5 (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 626 sdx auto | Mazda Mx-5 |
|---|---|---|
| MOT pass rate | 67% | 77% ✓ |
| MOT failure rate | 33% | 23% ✓ |
| Faults & advisories per test | 3.7 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 62,409 mi | 90,085 mi |
| Sample size (vehicles) | 1,157 | 162,634 |
Most common faults
Mazda 626 sdx auto
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)
- both front and osr inner wheel arches showing signs of corrosion
- both rear wheel arches and both rear quarter panels showing signs of corrosion
- Nearside Front Vehicle structure has slight corrosion (6.1.A.1)
- Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)
Mazda Mx-5
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Oil leak, but not excessive (8.4.1 (a) (i))
Reliability FAQ
On MOT pass rate the Mazda 626 sdx auto (67%) and Mazda Mx-5 (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 626 sdx auto report Full Mazda Mx-5 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.