The 2012 Tesla Model S is available as a 4-door, 5-seat sedan. Starting at $57,400, the 2012 Tesla Model S Base is powered by a , 0 -cylinder engine mated to an automatic transmission that returns an EPA estimated 88-mpg in the city and 90-mpg on the highway. The top of the line 2012TeslaModel SSignature Performance , priced at $ 105,400 , is powered by a , 0 - cylinder engine mated to an automatic transmission that returns an EPA estimated 88-mpg in the city and 90-mpg on the highway.