The 2001 Kia Optima is available as a 4-door, 5-seat sedan. Starting at $15,299, the 2001 Kia Optima LX (M5) is powered by a 2.4L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 21-mpg in the city and 28-mpg on the highway. The top of the line 2001KiaOptimaSE V6 (A4) , priced at $ 19,949 , is powered by a 2.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 25-mpg on the highway.