The 2017 Kia Optima is available as a 4-door, 5-seat sedan. Starting at $22,200, the 2017 Kia Optima LX (A6) is powered by a 2.4L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 36-mpg on the highway. The top of the line 2017 Kia Optima SXL Turbo (A6), priced at $36,090, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 31-mpg on the highway.