The 2015 Tesla Model S is available as a 4-door, 5-seat sedan. Starting at $69,900, the 2015 Tesla Model S 60 (DISC) RWD is powered by a , 0 -cylinder engine mated to an automatic transmission that returns an EPA estimated 94-mpg in the city and 97-mpg on the highway. The top of the line 2015TeslaModel S70 RWD , priced at $ 70,000 , is powered by a , 0 - cylinder engine mated to an automatic transmission that returns an EPA estimated