The 2007 Chrysler 300C is available as a 4-door, 5-seat sedan. Starting at $35,100, the 2007 Chrysler 300C Base RWD is powered by a 5.7L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway. The top of the line 2007Chrysler300CSRT8 RWD , priced at $ 40,545 , is powered by a 6.1L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 20-mpg on the highway.