4 generation [redesign]
2018–2020
Kia · Sedan
Kia Optima
8 generations · 55 trims.
4 generation
2015–2020
3 generation [redesign]
2013–2015
3 generation
2010–2014
2 generation [redesign]
2008–2010
2 generation
2005–2008
1 generation [redesign]
2002–2006
1 generation
2000–2002