Kia Pride sx vs Kia Rio: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kia Pride sx
57%
MOT pass rate · 686 vehicles
Kia Rio
76%
MOT pass rate · 141,350 vehicles
More reliable
Verdict: On MOT pass rate, the Kia Rio is the more reliable of the two — 76% pass first time versus 57%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Kia Pride sx | Kia Rio |
|---|---|---|
| MOT pass rate | 57% | 76% ✓ |
| MOT failure rate | 43% | 24% ✓ |
| Faults & advisories per test | 2.8 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 68,547 mi | 76,214 mi |
| Sample size (vehicles) | 686 | 141,350 |
Most common faults
Kia Pride sx
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
- Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4)
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust emissions hydrocarbon content after 2nd fast idle excessive (7.3.D.3)
- Offside Front Brake pipe excessively corroded (3.6.B.2c)
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 Rio is the more reliable of the two — 76% pass first time versus 57%. It's one signal among several; check the full breakdown below.
Full Kia Pride sx 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.