The 2021 Porsche Panamera Sport Turismo is available as a 4-door, 5-seat wagon. Starting at $98,000, the 2021 Porsche Panamera Sport Turismo 4 is powered by a 2.9LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 23-mpg on the highway. The top of the line 2021PorschePanamera Sport TurismoTurbo S , priced at $ 181,700 , is powered by a 4.0LL , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 21-mpg on the highway.