KIA RIO MOT Pass Rate
74.0% of 31,415 KIA RIO MOT tests pass.
At 74.0%, The RIO passes slightly less often than the average across all KIA models (78.7%).
At 74.0%, The KIA RIO passes slightly less often than the national average for cars (78.3%).
Pass rate by vehicle age
Pass rate drops sharply with age: the KIA RIO tested at 0–3 years pass 95.1% of the time, compared with just 57.4% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 95.1% | 567 | 23,553 miles |
| 3–6 years | 89.0% | 3,128 | 32,209 miles |
| 6–10 years | 82.5% | 10,934 | 56,479 miles |
| 10–15 years | 66.6% | 13,720 | 81,505 miles |
| 15+ years | 57.4% | 3,066 | 88,359 miles |
Common MOT failure reasons for the KIA RIO
The most common reason the KIA RIO fails its MOT is lamps, reflectors and electrical equipment — present in 44.9% of failed tests, most often logged as "not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 44.9% | not working |
| Brakes | 37.3% | less than 1.5 mm thick |
| Suspension | 34.0% | ball joint excessively worn |
| Tyres | 24.9% | tread depth below requirements of 1.6mm |
| Visibility | 18.5% | does not clear the windscreen effectively |
| Steering | 13.6% | ball joint has excessive play |
| Noise, emissions and leaks | 7.8% | inoperative or indicates a malfunction |
| Body, chassis, structure | 6.1% | constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 3.7% | warning lamp indicates a fault |
| Identification of the vehicle | 0.9% | inscription illegible |
Related KIA models
- KIA SPORTAGE — 79.4% pass rate
- KIA PICANTO — 75.2% pass rate
- KIA CEED — 71.2% pass rate
- KIA NIRO — 91.0% pass rate
- KIA VENGA — 77.3% pass rate
- KIA SORENTO — 72.6% pass rate