The 2010 Tesla Roadster is available as a 2-door, 2-seat convertible. Starting at $109,000, the 2010 Tesla Roadster Base is powered by a , 0 -cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2010TeslaRoadsterSport , priced at $ 128,500 , is powered by a , 0 - cylinder engine mated to an automatic transmission that returns an EPA estimated