The Lotus 49 is a Formula One racing car designed by Colin Chapman and introduced in 1967. It is notable for its innovative use of a monocoque chassis, which provided improved aerodynamics and structural integrity. The car was powered by the Ford Cosworth DFV engine, which became a dominant force in motorsport. The Lotus 49 made its debut at the 1967 British Grand Prix and quickly gained recognition for its performance. It was driven by famous racers such as Graham Hill and Jim Clark, achieving multiple victories and contributing to the evolution of modern racing car design.