The 2012 Chrysler 300 is available as a 4-door, 5-seat sedan. Starting at $27,670, the 2012 Chrysler 300 Base RWD is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 27-mpg on the highway. The top of the line 2012Chrysler300S V8 AWD , priced at $ 42,020 , is powered by a 5.7L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway.