| Overview | Grid | Race Entries |
| Race | Qualifying |
| Race Name: | III RAC British Grand Prix XI Grand Prix d'Europe |
| Track: | Silverstone Circuit |
| Round: | 1 of 7 |
| Race date: | Saturday, May 13th, 1950 |
| Race time: | 14.00 |
| 1st | 2nd | 3rd | |
| Driver | Nino Farina | Luigi Fagioli | Reg Parnell |
| Constructor | Alfa Romeo | Alfa Romeo | Alfa Romeo |
| Car | Alfa Romeo 158 | Alfa Romeo 158 | Alfa Romeo 158 |
| Engine | Alfa Romeo 159 LBC | Alfa Romeo 159 LBC | Alfa Romeo 159 LBC |
| Tyre | Pirelli | Pirelli | Pirelli |
| Time | 2:13:23.6 | 2:13:26.2 | 2:14:15.6 |
| Gap | 2.6 secs | 52.0 secs |
| P | No. | Driver | Qual | Race | Total | |
| 1 | 2 | Nino Farina Alfa Romeo | 1:50.8 0 | 1:50.6 70 | 1:50.6 70 | |
| 2 | 1 | Juan Manuel Fangio Alfa Romeo | 1:51.0 0 | No Time 62 | 1:51.0 62 | |
| 3 | 3 | Luigi Fagioli Alfa Romeo | 1:51.0 0 | No Time 70 | 1:51.0 70 | |
| 4 | 4 | Reg Parnell Alfa Romeo | 1:52.2 0 | No Time 70 | 1:52.2 70 | |
| 5 | 21 | Prince Bira Maserati | 1:52.6 0 | No Time 49 | 1:52.6 49 | |
| 6 | 14 | Yves Giraud-Cabantous Talbot-Lago-Talbot | 1:53.4 0 | 1:53.4 68 | 1:53.4 68 | |
| 7 | 17 | Eugène Martin Talbot-Lago-Talbot | 1:55.4 0 | No Time 8 | 1:55.4 8 | |
| 8 | 15 | Louis Rosier Talbot-Lago-Talbot | 1:56.0 0 | 1:55.4 68 | 1:55.4 68 | |
| 9 | 20 | Emmanuel de Graffenried Maserati | 1:55.8 0 | No Time 36 | 1:55.8 36 | |
| 10 | 19 | Louis Chiron Maserati | 1:56.6 0 | No Time 24 | 1:56.6 24 | |
| 11 | 9 | Peter Walker ERA | 1:56.6 0 | No Time 2 | 1:56.6 2 | |
| 12 | 12 | Bob Gerard ERA | 1:57.4 0 | No Time 67 | 1:57.4 67 | |
| 13 | 8 | Leslie Johnson ERA | 1:57.4 0 | No Time 2 | 1:57.4 2 | |
| 14 | 16 | Philippe Étançelin Talbot-Lago-Talbot | 1:57.8 0 | 1:57.4 65 | 1:57.4 65 | |
| 15 | 11 | Cuth Harrison ERA | 1:58.4 0 | No Time 67 | 1:58.4 67 | |
| 16 | 6 | David Hampshire Maserati | 2:01.0 0 | No Time 64 | 2:01.0 64 | |
| 17 | 24 | Geoff Crossley Alta | 2:02.6 0 | No Time 43 | 2:02.6 43 | |
| 18 | 5 | David Murray Maserati | 2:05.6 0 | No Time 44 | 2:05.6 44 | |
| 19 | 23 | Joe Kelly Alta | 2:06.2 0 | No Time 57 | 2:06.2 57 | |
| 20 | 10 | Joe Fry Maserati | 2:07.0 0 | No Time 45 | 2:07.0 45 | |
| 21 | 18 | Johnny Claes Talbot-Lago-Talbot | 2:08.8 0 | 2:08.8 64 | 2:08.8 64 | |
| 22 | 9 | Tony Rolt ERA | No Time 3 | No Time 3 | ||
| 23 | 10 | Brian Shawe Taylor Maserati | No Time 19 | No Time 19 |