A 6C 3000 was prototype made in 1950, basically a 2500 with a 3L engine. It did not appear until 1952, as the Competizione Maggiorata (CM), built for racing, with a 3.5L engine, in four coupé and two spider versions.
Versions
6C 3000 (1948)
6C 3000 50 (1950)
6C 3000 CM (1952) 275 bhp (205 kW), 250 km/h (160 mph) ("Competizione Maggiorata" for enlarged displacement)
6C 3000 PR (1954) ("Passo Ridotto" for shortened wheelbase)