Kia Cerato l vs Kia Rio: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kia Cerato l
67%
MOT pass rate · 1 vehicles
Kia Rio
76%
MOT pass rate · 141,350 vehicles
Verdict: On MOT pass rate the Kia Cerato l (67%) and Kia Rio (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kia Cerato l | Kia Rio |
|---|---|---|
| MOT pass rate | 67% | 76% ✓ |
| MOT failure rate | 33% | 24% ✓ |
| Faults & advisories per test | 2.7 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 76,835 mi | 76,214 mi |
| Sample size (vehicles) | 1 | 141,350 |
Most common faults
Kia Cerato l
- Offside rear parking brake recording little or no effort (3.7.B.6a)
- Parking brake: efficiency below requirements (3.7.B.7)
- Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
- Nearside Rear Seat belt damaged but not affecting the operation of the belt (5.2.2a)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
Kia Rio
- 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)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate the Kia Cerato l (67%) and Kia Rio (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kia Cerato l report Full Kia 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.