Two Coupes with some similarities, but otherwise different in most aspects such as the model year, starting price, horsepower, fuel economy, height, and maximum occupancy. First of all, the 2016 Dodge Viper is priced $11,695 lower compared to the base MSRP of the 2014 Nissan GT-R, which is older by two model years. Also, the 2016 Viper has bigger and thirstier engine; the 2014 GT-R gets 4 more mpg. In addition, the roofline of the Viper is slightly lower than the GT-R's. And finally, there is a difference in the number of passengers; the Nissan GT-R seats two more the Dodge Viper. Among similarities are the body structure, market segment, and ground shadow size.