N2: Giuseppe “Nino” Farina (ITA) (#Alfa Romeo SpA), #Alfa Romeo 158 – #Alfa Romeo 158 1.5 straight-8, Roots-type supercharger (single stage 350 bhp (261 kW) N 8500 rpm) (finished 1st)
N3: Luigi Fagioli (ITA) (#Alfa Romeo SpA), #Alfa Romeo 158 – #Alfa Romeo 158 1.5 straight-8, Roots-type supercharger (single stage 350 bhp (261 kW) N 8500 rpm) (finished 2nd)
N1: Juan Manuel Fangio (ARG) (#Alfa Romeo SpA), #Alfa Romeo 158 – #Alfa Romeo 158 1.5 straight-8, Roots-type supercharger (single stage 350 bhp (261 kW) N 8500 rpm) (RET)
N21: Birabongse Bhanudej (Prince Bira of Siam) (THA) (Enrico Platé), Maserati 4CLT/48 – Maserati 1. 4 Straight-4 (RET)
N4: Reg Parnell (GBR) (#Alfa Romeo SpA), #Alfa Romeo 158 – #Alfa Romeo 158 1.5 straight-8, Roots-type supercharger (single stage 350 bhp (261 kW) N 8500 rpm) (finished 3rd)
1950 British Grand Prix, Silverstone Circuit
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