The Reliant Regal is a three-wheeled car produced by the British company Reliant from 1961 to 1973. Known for its unique design, it features a fiberglass body and a single rear wheel, which gives it a distinctive appearance. The Regal was popular for its economical fuel consumption and was often used as a practical vehicle for everyday transport. The Reliant Regal gained fame through its appearances in popular culture, particularly in the British television series Only Fools and Horses, where it was driven by the character Del Boy. Its quirky design and association with British humor have made it an iconic symbol of the era.