The 2010 Jeep Grand Cherokee is available as a 4-door, 5-seat sport utility. Starting at $30,710, the 2010 Jeep Grand Cherokee Laredo 4x2 is powered by a 3.7L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 21-mpg on the highway. The top of the line 2010JeepGrand CherokeeSRT8 4x4 , priced at $ 43,325 , is powered by a 6.1L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 16-mpg on the highway.