The 2017 Chrysler 300C is available as a 4-door, 5-seat sedan. Starting at $38,635, the 2017 Chrysler 300C Base RWD is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 30-mpg on the highway. The top of the line 2017Chrysler300CPlatinum RWD , priced at $ 42,770 , is powered by a 3.6L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 30-mpg on the highway.