The 2008 Kia Sorento is available as a 4-door, 5-seat sport utility. Starting at $21,465, the 2008 Kia Sorento LX Base 4x2 is powered by a 3.3L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway. The top of the line 2008KiaSorentoBase 4x2 , priced at $ 21,165 , is powered by a 3.3L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.