Kia Stonic — reliability by registration year
2017–2022 · 6 registration years · 31,257 first tests
Registration years
First-attempt MOT results for every Stonic registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2022 | 5,754 | 91.3% | 93.9% | Tyres — Condition (front) 15.8% |
| 2021 | 5,951 | 89.4% | 92.8% | Visibility — Wipers (front) 23.9% |
| 2020 | 4,391 | 87.5% | 90.7% | Visibility — Wipers (front) 18.9% |
| 2019 | 7,891 | 86.1% | 89.1% | Brake pads (front) 14.7% |
| 2018 | 6,567 | 85.3% | 88.1% | Brake pads (front) 12.7% |
| 2017 | 703 | 83.9% | 87.5% |