The 2009 Kia Optima is available as a 4-door, 5-seat sedan. Starting at $20,690, the 2009 Kia Optima EX (A5) is powered by a 2.4L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 32-mpg on the highway. The top of the line 2009 Kia Optima LX (A5), priced at $18,950, is powered by a 2.4L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 32-mpg on the highway.