sentences:  The 6C 2500 Pininfarina was manufactured during the Second World War until 1943, when Alfa Romeo manufacture was switched to the technical needs of the army.The vehicles of the 1943 build series had only their chassis and the transmission assembled on the factory production line; the bodywork and interior build being undertaken by the Italian design studio Pininfarina.In 1948 a first Alfa Romeo 6C 3000 prototype was built.