Two Sedans with more similarities, such as the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the powertrain, market segment, starting price, and horsepower. First of all, the 2015 Mercedes-Benz S-Class Sedan Hybrid pulls more horsepower than the 2016 BMW 7 Series. Also, there is a $13,100 difference in the base MSRP. The 2015 S-Class Sedan Hybrid has a higher starting price than the 2016 7 Series. Among similarities are the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy.