Two Coupes with some similarities, but otherwise different in most aspects such as the model year, horsepower, market segment, starting price, and fuel economy. First of all, the 2013 Ford Shelby GT500 Coupe is priced $8,465 lower compared to the base MSRP of the 2016 Cadillac ATS-V Coupe, which is newer by three model years. Also, the 2013 Shelby GT500 Coupe has bigger and thirstier engine; the 2016 ATS-V Coupe gets 1 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.