The 2006 Chrysler 300 is available as a 4-door, 5-seat sedan. Starting at $23,775, the 2006 Chrysler 300 Base RWD is powered by a 2.7L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 28-mpg on the highway. The top of the line 2006Chrysler300AWD , priced at $ 29,825 , is powered by a 3.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 24-mpg on the highway.