The 2011 Dodge Challenger is available as a 2-door, 5-seat coupe. Starting at $24,895, the 2011 Dodge Challenger Base 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 2011DodgeChallengerSRT8 , priced at $ 42,780 , is powered by a 6.4L , 8 - cylinder engine mated to a manual transmission that returns an EPA estimated 14-mpg in the city and 23-mpg on the highway.