A supercar also called an exotic car, is a loosely defined tour of the street-legal, high-performance, high-end sports car. Since the early 2000s or 2010s, the term hypercar has happened to be used frequently for the highest performance supercars. Supercars are often designed and marketed as the flagship model in a vehicle manufacturer's sports car lineup. In the United States, muscle cars in the 1960s were often called "supercars". The Lamborghini Miura has been manufactured between 1966 and