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 horsepower. First of all, there is a notable difference in the starting price of the 2016 Maserati Quattroporte GTS, which is $162,200 less than the base MSRP of the 2015 Bentley Mulsanne. Also, although the 2016 Quattroporte GTS has a more powerful engine than the 2015 Mulsanne, it gets 4 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.