Hyundai Ioniq: reliability by registration year
2017-2022 · 6 registration years · 39,437 first tests
Registration years
First-attempt MOT results for every Ioniq 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.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2022 | 4,798 | 83.6% | 89.8% | Windscreen wipers (front) 28.4% |
| about 5 in every 100 worse than the years either side. What most often failed a 2022 Ioniq: Windscreen wipers (front) (28.4%) · Headlight aim (11.3%) · Tyre tread depth (front) (11.1%) | ||||
| 2021 | 8,605 | 88.1% | 91.2% | Tyre tread depth (front) 15.5% |
| about 3 in every 100 better than the years either side. What most often failed a 2021 Ioniq: Tyre tread depth (front) (15.5%) · Tyre condition (rear) (13.2%) · Headlight aim (10.8%) | ||||
| 2020 | 6,545 | 87.5% | 90.6% | Tyre tread depth (front) 15.3% |
| 2019 | 7,918 | 85.9% | 88.6% | Tyre condition (front) 12.6% |
| 2018 | 6,908 | 84.4% | 87.9% | Handbrake efficiency below minimum (roller test) 11.4% |
| 2017 | 4,663 | 83.3% | 86.7% | Tyre tread depth (front) 11.1% |