Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the starting price, fuel economy, and market segment. First of all, there is a notable difference in the starting price of the 2016 Tesla Model S, which is $28,400 less than the base MSRP of the 2015 Mercedes-Benz S-Class Sedan. Also, you get 80 more mpg with the 2015 S-Class Sedan than with the 2016 Model S. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.