Two Convertibles 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 horsepower. And finally, the 2016 Audi S5 Convertible produces fewer horsepower than the 2015 Mercedes-Benz E-Class Convertible. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy.