The 2009 Jeep Grand Cherokee is available as a 4-door, 5-seat sport utility. Starting at $30,450, the 2009 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 2009JeepGrand CherokeeOverland 4x4 , priced at $ 44,845 , is powered by a 5.7L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 19-mpg on the highway.