Two Coupes with more similarities, such as the body structure, market segment, fuel economy, ground shadow size, and maximum occupancy, than differences, like the modifications, starting price, horsepower, and height. First of all, there is a notable difference in the starting price of the 2017 Maserati GranTurismo, which is $103,425 less than the base MSRP of the 2017 Mercedes-Benz S-Class Coupe AMG S 65. Also, the 2017 S-Class Coupe AMG S 65 pulls more horsepower than the 2017 GranTurismo. In addition, the GranTurismo is slightly shorter than the S-Class Coupe AMG S 65. Among similarities are the body structure, market segment, fuel economy, ground shadow size, and maximum occupancy.