Two Coupes with some similarities, but otherwise different in most aspects such as the model year, horsepower, starting price, and fuel economy. First of all, there is a notable difference in the starting price of the 2013 Audi S5 Coupe, which is $11,905 less than the base MSRP of the 2016 Lexus RC F, which is three model years newer. And finally, the 2016 RC F has bigger and thirstier engine; the 2013 S5 Coupe gets 1.5 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.