The 2015 Porsche Panamera is available as a 4-door, 4-seat hatchback. Starting at $78,100, the 2015 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 2015 Porsche Panamera Turbo S Executive AWD, priced at $200,500, 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.