4th Generation Optima
- Years
- 2016–2020
- Reliability
- 14th out of 42
- PainRank™
- 2.25
- Complaints
- 36
3rd Generation Optima
- Years
- 2011–2015
- Reliability
- 41st out of 42
- PainRank™
- 34.37
- Complaints
- 415
2nd Generation Optima
- Years
- 2006–2010
- Reliability
- 35th out of 42
- PainRank™
- 6.67
- Complaints
- 89
1st Generation Optima
- Years
- 2000–2005
- Reliability
- 15th out of 42
- PainRank™
- 2.34
- Complaints
- 65
Kia Optima Generations
The Optima has 4 generations available in North American markets. A generation is a group of model years where few, if any, changes were made to the vehicle which means their model years tend to break in similar ways.
The 3rd generation (2011—2015) has been the least reliable.
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