The 2016 Kia Optima is available as a 4-door, 5-seat sedan. Starting at $22,140, the 2016 Kia Optima LX (A6) is powered by a 2.4L, 4-cylinder engine that returns an EPA estimated 24-mpg in the city and 35-mpg on the highway. The top of the line 2016 Kia Optima SXL Turbo (A6), priced at $36,040, is powered by a 2.0L, 4-cylinder engine that returns an EPA estimated 22-mpg in the city and 32-mpg on the highway.