The 2016 Porsche Panamera is available as a 4-door, 4-seat hatchback. Starting at $78,100, the 2016 Porsche Panamera 2 RWD is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 28-mpg on the highway. The top of the line 2016PorschePanameraExclusive Series AWD , priced at $ 263,900 , is powered by a 4.8L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 24-mpg on the highway.