The 2018 Maserati Ghibli is available as a 4-door, 5-seat sedan. Starting at $73,050, the 2018 Maserati Ghibli Base RWD is powered by a 3.0LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 24-mpg on the highway. The top of the line 2018MaseratiGhibliGranSport AWD , priced at $ 86,750 , 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.