) McLaren Formula One car]] }} Open-wheel car (Often single-seater car, in British English) describes cars with the wheels outside the car's main body and, in most cases, one seat. Open-wheel cars contrast with street cars, stock cars, and touring cars, which have their wheels below the body or fenders. Open-wheel cars are usually built specifically for racing, frequently with a degree of technological sophistication unknown in other forms of motorsport. In the United States, it's common to ref… (More on Open-wheel)