This 2015 Polaris Slingshot SL is a 3-wheeled, open-air roadster that you can drive on public roads. Slingshot SL is federally classified as a 3-wheel motorcycle and is insured by most major providers But dont compare it to a motorcycle and dont think its a car, because its a freakin 3-wheeler It combines two joyful machines car and motorcycle. It has a steering wheel, clutch pedal like a car, ...