Kia Rio vs Kia Sportage 4 isg crdi: 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 Sportage 4 isg crdi
92%
MOT pass rate · 45 vehicles
Verdict: On MOT pass rate the Kia Rio (76%) and Kia Sportage 4 isg crdi (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kia Rio | Kia Sportage 4 isg crdi |
|---|---|---|
| MOT pass rate | 76% | 92% ✓ |
| MOT failure rate | 24% | 8% ✓ |
| Faults & advisories per test | 1.8 | 0.0 ✓ |
| Dangerous-fault share | 3% | — ✓ |
| Average mileage | 76,214 mi | 105,471 mi |
| Sample size (vehicles) | 141,350 | 45 |
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 Sportage 4 isg crdi
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Kia Rio (76%) and Kia Sportage 4 isg crdi (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kia Rio report Full Kia Sportage 4 isg crdi 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.