The supercar is festest car in the world those car have airo dinamic design A supercar is a luxury, high-performance sports car or grand tourer. The term is used in marketing by automakers for unusual, high-end vehicles, and has been used to refer to at least four different sorts of cars: Limited-production specials from an "elite" automaker. The Hypercar is a design concept car developed by energy analyst Amory Lovins at the Rocky Mountain Institute. This vehicle would have ultra-light construction with an aerodynamic body using advanced composite materials, low-drag design, and hybrid drive. Designers of the Hypercar claim that it would achieve a three- to five-fold improvement in fuel economy, equal or better performance, safety, amenity, and affordability, compared with today's cars.