Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, starting price, fuel economy, horsepower, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2017 Porsche Panamera, which is $60,500 less than the base MSRP of the 2017 Maserati Quattroporte GTS GranLusso. Also, the 2017 Quattroporte GTS GranLusso has a more powerful engine than the 2017 Panamera, and it gets 5.6 fewer miles on a gallon of fuel. In addition, there is a difference in the number of passengers; the Quattroporte GTS GranLusso seats one more the Panamera. Among similarities are the body structure, market segment, ground shadow size, and height.