Mazda 6 vs Mazda Ls: 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 Ls
50%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda Ls (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 6 | Mazda Ls |
|---|---|---|
| MOT pass rate | 75% ✓ | 50% |
| MOT failure rate | 25% ✓ | 50% |
| Faults & advisories per test | 1.9 ✓ | 11.0 |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 113,866 mi | 112,302 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 Ls
- Front Exhaust has a minor leak of exhaust gases (7.1.2)
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
- Front Brake pipe slightly corroded (3.6.B.2c)
- Nearside Front Brake hose slightly deteriorated (3.6.B.4d)
- Nearside Front Mechanical brake component has restricted free movement (3.5.1k)
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda Ls (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 6 report Full Mazda Ls 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.