[h=2]2012 Lotus 340R[/h]
The doorless, roofless Lotus 340R is among the banned. | Lotus
The Lotus 340R is one of the few cars with no doors (let alone windows or a roof), and U.S. regulators took the easy way by banning the 340 editions made. As stripped-down racers go, the 340R is tough to beat. Inside are two bucket seats and just about nothing else.