Two Coupes with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, ground shadow size, and height. First of all, there is a notable difference in the starting price of the 2018 Mercedes-Benz AMG GT Coupe, which is $305,250 less than the base MSRP of the 2018 Lamborghini Aventador Coupe. Also, the 2018 Aventador Coupe has a more powerful engine and gets 5.5 mpg less than the 2018 AMG GT Coupe. And finally, the Aventador Coupe is slightly larger, but the roofline is shorter than that of the AMG GT Coupe. Among similarities are the body structure, market segment, and maximum occupancy.