KIA RIO MOT pass rate
75.6% of 137,723 KIA RIO MOT tests pass.
At 75.6%, The RIO passes slightly less often than the average across all KIA models (80.1%).
At 75.6%, The KIA RIO passes slightly less often than the national average for cars (79.2%).
Own this KIA RIO?
This is the average across every KIA RIO in the dataset. Look up your own registration for its actual MOT history, and a free place to keep its maintenance records.
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Pass rate by vehicle age
Pass rate drops sharply with age: the KIA RIO tested at 0–3 years pass 94.8% of the time, compared with just 57.6% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 94.8% | 4,562 | 20,901 miles |
| 3–6 years | 89.8% | 19,073 | 31,239 miles |
| 6–10 years | 82.0% | 50,297 | 55,531 miles |
| 10–15 years | 66.3% | 53,847 | 80,562 miles |
| 15+ years | 57.6% | 9,944 | 88,666 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 41.5% of failed tests, most often logged as "Not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 41.5% | Not working |
| Brakes | 37.9% | Less than 1.5 mm thick |
| Suspension | 31.7% | Ball joint dust cover no longer prevents the ingress of dirt |
| Tyres | 24.4% | Tread depth below requirements of 1.6mm |
| Visibility | 20.3% | Does not clear the windscreen effectively |
| Steering | 13.1% | Ball joint has excessive play |
| Noise, emissions and leaks | 7.5% | Inoperative or indicates a malfunction |
| Body, chassis, structure | 5.9% | Constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 3.4% | Warning lamp indicates a fault |
| Identification of the vehicle | 1.0% | Inscription illegible |
Related KIA models
- KIA SPORTAGE — 82.0% pass rate
- KIA PICANTO — 77.1% pass rate
- KIA CEED — 74.4% pass rate
- KIA NIRO — 91.4% pass rate
- KIA VENGA — 79.3% pass rate
- KIA SORENTO — 76.9% pass rate
Frequently asked questions
- What is the MOT pass rate for the KIA RIO?
- 75.6% of KIA RIO MOT tests pass, based on 137,723 tests in the DVSA anonymised MOT tests and results dataset.
- What are the most common MOT failures for the KIA RIO?
- The most common reason the KIA RIO fails its MOT is lamps, reflectors and electrical equipment — present in 41.5% of failed tests, most often logged as "Not working".
- Does this show the KIA RIO's service history?
- No — this is MOT test data, which covers roadworthiness, not servicing. A service history is a separate record of maintenance work, which a specific car only has if its owner has kept it. See the KIA service history guide for how to check and keep one.