Mazda Mx-5 vs Mazda Mx-5 rf sport tech: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
Mazda Mx-5 rf sport tech
94%
MOT pass rate · 575 vehicles
More reliable
Verdict: On MOT pass rate, the Mazda Mx-5 rf sport tech is the more reliable of the two — 94% pass first time versus 77%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Mazda Mx-5 | Mazda Mx-5 rf sport tech |
|---|---|---|
| MOT pass rate | 77% | 94% ✓ |
| MOT failure rate | 23% | 6% ✓ |
| Faults & advisories per test | 1.8 | 0.7 ✓ |
| Dangerous-fault share | 1% ✓ | 4% |
| Average mileage | 90,085 mi | 20,638 mi |
| Sample size (vehicles) | 162,634 | 575 |
Most common faults
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))
Mazda Mx-5 rf sport tech
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate, the Mazda Mx-5 rf sport tech is the more reliable of the two — 94% pass first time versus 77%. It's one signal among several; check the full breakdown below.
Full Mazda Mx-5 report Full Mazda Mx-5 rf sport tech 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.