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 2016 Dodge Viper ACR, 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.