 95 examples were built in 1920, becoming the first cars badged Alfa Romeo, together with the ALFA 15-20 HP assembled the same year, which had followed a similar fate.During 1920 the 20-30 HP was developed into the larger displacement, shorter wheelbase Alfa Romeo 20-30 ES Sport, the first car to be badged Alfa Romeo from its introduction.The 20-30 ES was produced in 1921 and 1922 in 124 examples.