The 2021 Maserati Quattroporte is available as a 4-door, 5-seat sedan. Starting at $102,190, the 2021 Maserati Quattroporte RWD is powered by a 3.0LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 24-mpg on the highway. The top of the line 2021MaseratiQuattroporteGranSport AWD , priced at $ 113,690 , is powered by a 3.0LL , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 24-mpg on the highway.