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, horsepower, and fuel economy. First of all, there is a $24,500 difference in the base MSRP. The 2017 Maserati Quattroporte GTS GranLusso has a higher starting price than the 2017 Jaguar XJ XJR LWB. Also, a bigger engine usually means less mpg. But the 2017 XJ XJR LWB has a more powerful engine and it gets 1 more mpg than the 2017 Quattroporte GTS GranLusso. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.