The 2015 Maserati Quattroporte is available as a 4-door, 5-seat sedan. Starting at $106,900, the 2015 Maserati Quattroporte AWD is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 24-mpg on the highway. The top of the line 2015 Maserati Quattroporte RWD, priced at $140,500, is powered by a 3.8L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 22-mpg on the highway.