Mustangs, e.g. are a type of Ford vehicle, specifically a type of muscle car. They are a two-door coupe or convertible that has been in production since 1964. Mustangs are known for their powerful engines and sleek design, and are considered to be one of the most iconic American cars. Mustangs are also known as horses, due to their horse logo, and are sometimes referred to as musclecars due to their powerful engines.