Two Coupes with more similarities, such as the body structure, market segment, fuel economy, and height, than differences, like the starting price, horsepower, ground shadow size, and maximum occupancy. First of all, the 2016 Mercedes-Benz E-Class Coupe is priced $21,900 lower compared to the base MSRP of the 2015 BMW 6 Series Coupe. Also, the 2016 E-Class Coupe produces fewer horsepower than the 2015 6 Series Coupe. In addition, the body structure of 6 Series Coupe is slightly larger than that of the E-Class Coupe. And finally, the Mercedes-Benz E-Class Coupe seats two more passengers than the BMW 6 Series Coupe. Among similarities are the body structure, market segment, fuel economy, and height.