The 2018 Dodge Challenger is available as a 2-door, 5-seat coupe. Starting at $27,295, the 2018 Dodge Challenger SXT 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 2018DodgeChallengerSRT Demon RWD , priced at $ 83,295 , is powered by a 6.2L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 22-mpg on the highway.