The 2016 Dodge Viper is available as a 2-door, 2-seat coupe. Starting at $87,895, the 2016 Dodge Viper SRT is powered by a 8.4L , 10 -cylinder engine mated to a manual transmission that returns an EPA estimated 12-mpg in the city and 21-mpg on the highway. The top of the line 2016DodgeViperACR , priced at $ 118,795 , is powered by a 8.4L , 10 - cylinder engine mated to a manual transmission that returns an EPA estimated 12-mpg in the city and 21-mpg on the highway.