Two Coupes with more similarities, such as the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the modifications and horsepower. First of all, the 2015 Mercedes-Benz S-Class Coupe S 65 AMG produces fewer horsepower than the 2016 Bentley Continental GT Coupe Speed. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy.