The 2010 Chrysler 300C is available as a 4-door, 5-seat sedan. Starting at $40,050, the 2010 Chrysler 300C AWD is powered by a 5.7LL , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway. The top of the line 2010Chrysler300C300S V8 RWD , priced at $ 38,010 , is powered by a 5.7L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 25-mpg on the highway.