Open-wheel cars are a type of racing vehicle characterized by their exposed wheels, which are not covered by bodywork. This design allows for better aerodynamics and handling, making them popular in various motorsport competitions. The most well-known series featuring open-wheel cars is Formula 1, where teams compete on tracks around the world. These cars typically have a lightweight chassis and powerful engines, enabling high speeds and quick acceleration. Open-wheel racing also includes other series like IndyCar and Formula E, each with unique specifications and regulations. The open-wheel design contributes to the thrilling nature of these races.