Most reliable Kia: MOT failure rates ranked
Updated 05 September 2026.
9.3%
Kia Ev6, the most reliable Kia
The most reliable Kia on MOT failure rate is the Kia Ev6, at 9.3% failures across 15,753 tests.
| Rank | Model | MOT failure rate | Tests |
|---|---|---|---|
| 1 | Kia Ev6 | 9.3% | 15,753 |
| 2 | Kia Stonic | 10.2% | 147,483 |
| 3 | Kia Stinger | 10.7% | 12,057 |
| 4 | Kia Niro | 10.8% | 411,049 |
| 5 | Kia Xceed | 11.2% | 80,913 |
| 6 | Kia Optima | 16.6% | 102,993 |
| 7 | Kia Sportage | 19.2% | 2,913,337 |
| 8 | Kia Venga | 19.8% | 571,168 |
| 9 | Kia Soul | 21.0% | 330,075 |
| 10 | Kia Proceed | 21.3% | 58,625 |
| 11 | Kia Picanto | 22.7% | 2,750,898 |
| 12 | Kia Ceed | 23.6% | 1,767,448 |
| 13 | Kia Rio | 23.7% | 1,703,559 |
| 14 | Kia Sorento | 24.9% | 769,052 |
| 15 | Kia Magentis | 25.5% | 65,286 |
Questions and answers
What is the most reliable Kia at MOT?
The most reliable Kia on MOT failure rate is the Kia Ev6, at 9.3% failures across 15,753 tests.
Which Kia fails its MOT most often?
The Kia Pride has the highest MOT failure rate of the Kia range, at 39.0%.