| Fastest laps |
Alfa Romeo |
| Year |
Race |
Constructor / Driver |
Time |
| 1950 |
Britain |
Alfa Romeo / Nino Farina |
1:50.6 |
| 1950 |
Monaco |
Alfa Romeo / Juan Manuel Fangio |
1:51.0 |
| 1950 |
Switzerland |
Alfa Romeo / Nino Farina |
2:41.6 |
| 1950 |
Belgium |
Alfa Romeo / Nino Farina |
4:34.1 |
| 1950 |
France |
Alfa Romeo / Juan Manuel Fangio |
2:35.6 |
| 1950 |
Italy |
Alfa Romeo / Juan Manuel Fangio |
2:00.0 |
| 1951 |
Switzerland |
Alfa Romeo / Juan Manuel Fangio |
2:51.1 |
| 1951 |
Belgium |
Alfa Romeo / Juan Manuel Fangio |
4:22.1 |
| 1951 |
France |
Alfa Romeo / Juan Manuel Fangio |
2:27.8 |
| 1951 |
Britain |
Alfa Romeo / Nino Farina |
1:44.0 |
| 1951 |
Germany |
Alfa Romeo / Juan Manuel Fangio |
9:55.8 |
| 1951 |
Italy |
Alfa Romeo / Nino Farina |
1:56.5 |
| 1951 |
Spain |
Alfa Romeo / Juan Manuel Fangio |
2:16.93 |
| 1977 |
South Africa |
Brabham / John Watson |
1:17.63 |
| 1977 |
Austria |
Brabham / John Watson |
1:40.96 |
| 1978 |
Monaco |
Brabham / Niki Lauda |
1:28.65 |
| 1978 |
Sweden |
Brabham / Niki Lauda |
1:24.836 |
| 1978 |
Britain |
Brabham / Niki Lauda |
1:18.60 |
| 1978 |
Netherlands |
Brabham / Niki Lauda |
1:19.57 |
| 1983 |
Belgium |
Alfa Romeo / Andrea de Cesaris |
2:07.493 |
| |