Kia Optima — reliability by registration year
2012–2019 · 7 registration years · 9,769 first tests
2018
breaks the run — 2.3 pp better than the years either side
Registration years
First-attempt MOT results for every Optima 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 |
|---|---|---|---|---|
| 2019 | 1,531 | 79.6% | 83.0% | Tyres — Condition (rear) 16.6% |
| 2018 | 2,469 | 82.3% | 85.3% | Tyres — Condition (rear) 18.3% |
| 2.3 pp better than the years either side What failed 2018 Optimas most often: Tyres — Condition (rear) (18.3%) · Brake pads (rear) (13.5%) | ||||
| 2017 | 3,012 | 80.3% | 82.9% | Tyres — Condition (rear) 15.0% |
| 2016 | 1,141 | 79.9% | 83.7% | |
| 2015 | 552 | 71.9% | 75.5% | |
| 2014 | 532 | 66.9% | 72.7% | |
| 2012 | 532 | 60.5% | 63.5% | |