Renault Megane vs Renault Rio: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Renault Megane
67%
MOT pass rate · 596,863 vehicles
Renault Rio
93%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Renault Megane (67%) and Renault Rio (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Renault Megane | Renault Rio |
|---|---|---|
| MOT pass rate | 67% | 93% ✓ |
| MOT failure rate | 33% | 7% ✓ |
| Faults & advisories per test | 2.1 | 0.2 ✓ |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 103,896 mi | 72,856 mi |
| Sample size (vehicles) | 596,863 | 1 |
Most common faults
Renault Megane
- 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)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
Renault Rio
- Nearside Stop lamp not working (1.2.1b)
- Offside Stop lamp not working (1.2.1b)
- Nearside Rear Rear wheel bearing has slight play (2.6.2)
- Exhaust has a minor leak of exhaust gases exhaust to manifold (6.1.2 (a))
- Offside Front Suspension component mounting prescribed area is corroded but not considered excessive outer skin/fluting slight rust (5.3.6 (a) (i))
Reliability FAQ
On MOT pass rate the Renault Megane (67%) and Renault Rio (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Renault Megane report Full Renault Rio 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.