Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the modifications, starting price, fuel economy, and market segment. First of all, the 2016 Tesla Model S is priced $74,500 lower compared to the base MSRP of the 2015 Maserati Quattroporte GTS. Also, you get 82 more mpg with the 2015 Quattroporte GTS than with the 2016 Model S. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.