2020 Kia Optima LX Price: $12,500 Saint Peters, MO More Saint Peters, MO Kia Optima's 2016 $11,650 117,658 Miles 2018 $20,397 35,578 Miles 2013 $8,990 140,410 Miles 2013 $8,295 142,838 Miles 2013 $11,390 70,405 Miles 2010 $5,995 148,151 Miles