Two Sedans with more similarities, such as the body structure, powertrain, market segment, ground shadow size, and height, than differences, like the horsepower, model year, starting price, fuel economy, and maximum occupancy. First of all, there is a $5,950 difference in the base MSRP. The 2016 BMW 5 Series Diesel, a newer vehicle by two model years, has a higher starting price than the 2014 Mercedes-Benz E-Class Sedan Diesel. Also, the 2016 5 Series Diesel has a more powerful engine and gets 2 mpg less than the 2014 E-Class Sedan Diesel. And finally, you'll seat two more passengers in the E-Class Sedan Diesel than in the 5 Series Diesel. Among similarities are the body structure, powertrain, market segment, ground shadow size, and height.