The 2018 Maserati Quattroporte is available as a 4-door, 5-seat sedan. Starting at $111,800, the 2018 Maserati Quattroporte AWD is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway. The top of the line 2018 Maserati Quattroporte GTS GranSport RWD, priced at $136,600, is powered by a 3.8L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway.