Mazda 2 vs Mazda 6 dts 121: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda 2
78%
MOT pass rate · 146,943 vehicles
Mazda 6 dts 121
67%
MOT pass rate · 30 vehicles
Verdict: On MOT pass rate the Mazda 2 (78%) and Mazda 6 dts 121 (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 2 | Mazda 6 dts 121 |
|---|---|---|
| MOT pass rate | 78% ✓ | 67% |
| MOT failure rate | 22% ✓ | 33% |
| Faults & advisories per test | 1.7 | 0.0 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 76,654 mi | 161,854 mi |
| Sample size (vehicles) | 146,943 | 30 |
Most common faults
Mazda 2
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Mazda 6 dts 121
- Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)
- slight exhaust corrosion
Reliability FAQ
On MOT pass rate the Mazda 2 (78%) and Mazda 6 dts 121 (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 2 report Full Mazda 6 dts 121 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.