Kia Optima vs Toyota Prius
Owner complaints, worst years and recall history side by side, from official NHTSA data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
Kia Optima
- Total complaints
- 7,456
- Avg per model year
- 373
- Recall campaigns (all years)
- 22
- Most complained year
- 2013 (1,375)
Top problems: Engine, Electrical System, Unknown OR Other
Toyota Prius
- Total complaints
- 12,413
- Avg per model year
- 462
- Recall campaigns (all years)
- 35
- Most complained year
- 2010 (2,820)
Top problems: Exterior Lighting, Service Brakes, Service Brakes, Hydraulic
Complaints by model year
| Year | Kia Optima | Toyota Prius | ||
|---|---|---|---|---|
| 2020 | 137 | 14 | ||
| 2019 | 204 | 29 | ||
| 2018 | 230 | 35 | ||
| 2017 | 252 | 91 | ||
| 2016 | 750 | 154 | ||
| 2015 | 1,003 | 161 | ||
| 2014 | 580 | 205 | ||
| 2013 | 1,375 | 402 | ||
| 2012 | 919 | 421 | ||
| 2011 | 591 | 516 | ||
| 2010 | 75 | 2,820 | ||
| 2009 | 116 | 502 | ||
| 2008 | 143 | 1,497 | ||
| 2007 | 166 | 2,003 | ||
| 2006 | 155 | 1,439 | ||
| 2005 | 144 | 1,051 | ||
| 2004 | 225 | 610 | ||
| 2003 | 141 | 99 | ||
| 2002 | 107 | 167 | ||
| 2001 | 143 | 165 |
Method. Complaints are unique NHTSA reports per model year. A model that sold more units will naturally accumulate more complaints — compare the shape across years, not just the raw totals, and read the year pages for what actually fails.