The 2017 Maserati Quattroporte is available as a 4-door, 5-seat sedan. Starting at $103,400, the 2017 Maserati Quattroporte S RWD 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 2017 Maserati Quattroporte GranSport AWD, priced at $116,000, 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.