Two Sedans 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 powertrain and horsepower. First of all, the 2016 BMW 3 Series eDrive produces fewer horsepower than the 2016 Mercedes-Benz C-Class Hybrid. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy.