Create a coloring book page featuring classic 1970s cars. Include iconic models such as the Chevrolet Camaro, Ford Mustang, Dodge Challenger, and Pontiac Firebird. Depict the cars in dynamic poses or driving scenes, capturing the spirit of the era with vibrant colors and retro backgrounds. Ensure the details are intricate enough to provide an engaging coloring experience for enthusiasts of classic cars from the 1970s.