The Maserati 4CL and its derived sister model the Maserati 4CLT are single-seat open-wheel Grand Prix racing cars that were designed and built by Maserati. The 4CL was introduced at the beginning of the 1939 season, as a rival to the Alfa Romeo 158 and various ERA models in the voiturette class of international Grand Prix motor racing. Although racing ceased during World War II, the 4CL was one of the front running models at the resumption of racing in the late 1940s.
The Maserati 4CL and its derivative, the Maserati 4CLT, were single-seat open-wheel Grand Prix cars designed by Maserati. Introduced at the beginning of the 1939 season to compete against Alfa Romeo 158 and various ERA models in the voiturette class of international Grand Prix racing, the 4CL was one of the top-performing vehicles when racing resumed after World War II.