Kia Optima power train problems by year
502 NHTSA owner complaints name the power train across 20 Optima model years. The most reported year is 2016 with 72 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 2020 Optima | 25 | 18% | — | |
| 2019 Optima | 16 | 8% | — | |
| 2018 Optima | 18 | 8% | — | |
| 2017 Optima | 20 | 8% | — | |
| 2016 Optima | 72 | 10% | 54,000 mi | |
| 2015 Optima | 49 | 5% | 82,794 mi | |
| 2014 Optima | 20 | 3% | 93,242 mi | |
| 2013 Optima | 64 | 5% | 73,419 mi | |
| 2012 Optima | 54 | 6% | 80,643 mi | |
| 2011 Optima | 25 | 4% | 56,125 mi | |
| 2010 Optima | 24 | 32% | 75,000 mi | |
| 2009 Optima | 33 | 28% | 62,000 mi | |
| 2008 Optima | 18 | 13% | 130,000 mi | |
| 2007 Optima | 13 | 8% | 72,000 mi | |
| 2006 Optima | 14 | 9% | 61,100 mi | |
| 2005 Optima | 3 | 2% | — | |
| 2004 Optima | 8 | 4% | — | |
| 2003 Optima | 8 | 6% | — | |
| 2002 Optima | 6 | 6% | — | |
| 2001 Optima | 12 | 8% | — |
Share is the fraction of that year’s complaints naming the power train. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.