50
1950 — 1951
Alfa Romeo SpA
Two drivers' titles with the Alfetta 158/159.
The marque that won the first two World Championships with the pre-war Alfetta, then returned twice as an engine supplier and a works team.
Two drivers' titles with the Alfetta 158/159.
Works return with flat-12 then turbo V8 power.
The supercharged 158/159 Alfetta was already a decade old in 1950 and still beat everything on the grid.
Giuseppe Farina took the inaugural 1950 title and Juan Manuel Fangio the 1951 crown before Alfa withdrew.
Autodelta ran a works return from 1979 to 1985 with turbo V8s that were fast but fragile.
The name later reappeared as a Sauber title sponsorship from 2019 rather than a separate entry.