Kia Rio vs Kia Sorento crdi x: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kia Rio
76%
MOT pass rate · 141,350 vehicles
Kia Sorento crdi x
86%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Kia Rio (76%) and Kia Sorento crdi x (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kia Rio | Kia Sorento crdi x |
|---|---|---|
| MOT pass rate | 76% | 86% ✓ |
| MOT failure rate | 24% | 14% ✓ |
| Faults & advisories per test | 1.8 | 0.9 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 76,214 mi | 64,476 mi |
| Sample size (vehicles) | 141,350 | 2 |
Most common faults
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))
Kia Sorento crdi x
- Front Brake pad(s) wearing thin (3.5.1g)
- Offside Front Track rod end ball joint has slight play (2.2.B.1f)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Front Windscreen has damage to the swept area in excess of a 40mm circle outside zone 'A' (8.3.1d)
- Front Windscreen washer provides insufficient washer liquid (8.2.3)
Reliability FAQ
On MOT pass rate the Kia Rio (76%) and Kia Sorento crdi x (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kia Rio report Full Kia Sorento crdi x 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.