The 2014 Kia Optima Hybrid is available as a 4-door, 5-seat sedan. Starting at $25,995, the 2014 Kia Optima Hybrid LX is powered by a 2.4L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 36-mpg in the city and 40-mpg on the highway. The top of the line 2014KiaOptima HybridEX , priced at $ 31,995 , is powered by a 2.4L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 35-mpg in the city and 39-mpg on the highway.