Two Coupes with more similarities, such as the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy, than differences, like the model year, horsepower, and fuel economy. First of all, the is 3 model years newer than the . And finally, the 2013 3 Series Coupe has a more powerful engine than the 2016 A5 Coupe, and it gets 3.8 fewer miles on a gallon of fuel. Among similarities are the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy.