The 2007 Jeep Grand Cherokee is available as a 4-door, 5-seat sport utility. Starting at $28,115, the 2007 Jeep Grand Cherokee Laredo 4x2 is powered by a 3.7L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 22-mpg on the highway. The top of the line 2007 Jeep Grand Cherokee SRT8 4x4, priced at $40,230, 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 15-mpg on the highway.