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, horsepower, and fuel economy. First of all, there is an $18,600 difference in the base MSRP. The 2016 Maserati Quattroporte has a higher starting price than the 2016 BMW 7 Series. And finally, the 2016 Quattroporte has a more powerful engine and gets 3 mpg less than the 2016 7 Series. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.