Mazda 3 vs Mazda 323f gxi diese: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda 3
78%
MOT pass rate · 164,058 vehicles
Mazda 323f gxi diese
75%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Mazda 3 (78%) and Mazda 323f gxi diese (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 3 | Mazda 323f gxi diese |
|---|---|---|
| MOT pass rate | 78% ✓ | 75% |
| MOT failure rate | 22% ✓ | 25% |
| Faults & advisories per test | 2.0 | 0.4 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 90,915 mi | 86,745 mi |
| Sample size (vehicles) | 164,058 | 2 |
Most common faults
Mazda 3
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
Mazda 323f gxi diese
- Offside Rear wheel bearing has slight play (2.6.2)
- Fuel hose leaking (7.2.3)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Fuel pipe leaking (7.2.3)
- both front brake discs have wear evident
Reliability FAQ
On MOT pass rate the Mazda 3 (78%) and Mazda 323f gxi diese (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 3 report Full Mazda 323f gxi diese 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.