Classification
| Pos | Driver | Constructor | Laps | Time/Retired |
|---|---|---|---|---|
| 1 | Chris Irwin | Brabham BT16 - Ford/Cosworth | 35 | 59'57.6" |
| 2 | Charles Crichton-Stuart | Brabham BT10 - Ford/Cosworth | 35 | 1:00'29.1" |
| 3 | Nasif Estéfano | Brabham - Ford | 35 | 1:00'35.4" |
| 4 | Jonathan Williams | Brabham BT10 - Ford | 35 | 1:00'45.5" |
| 5 | Eric Offenstadt | Lola T60 - Ford/Cosworth | 35 | 1:01'32.2" |
| 6 | Jorge Cupeiro | Brabham BT15 - Ford | 35 | 1:01'35.7" |
| 7 | Karl Freiherr von Wendt | Lotus 35 - Ford | 34 | |
| 8 | Martin Davies | Brabham BT10 - Ford/Cosworth | 34 | |
| 9 | Jochen Neerpasch | Lotus 35 - Ford | 34 | |
| 10 | Picko Troberg | Brabham BT15 - Ford/Cosworth | 34 | |
| 11 | Andrea Vianini | Brabham BT15 - Ford | 34 | |
| 12 | Clay Regazzoni | Brabham BT15 - Ford/Cosworth | 34 | |
| 13 | Vincente Sergio | Brabham - Ford | 33 | |
| 14 | Mauro Bianchi | Alpine A310 - Renault/Mignotet | 33 | |
| Ret | Wilson Fittipaldi | Wyllis Monoposto - Renault | 21 | DNF |
| Ret | Juan Manuel Bordeu | Brabham - Ford | 20 | DNF |
| Ret | Silvio Moser | Brabham BT16 - Ford/Cosworth | 17 | DNF |
| Ret | Carlo Facetti | Brabham BT10 - Ford | 13 | DNF |
| Ret | Oscar Fangio | Brabham BT10 - Ford | 8 | DNF |
| Ret | Carlos Pairetti | Alpine A310 - Renault/Mignotet | 5 | DNF |
| Ret | Henri Grandsire | Alpine A310 - Renault/Mignotet | 1 | DNF |
| Ret | John Cardwell | Brabham BT15 - Ford/Cosworth | DNQ | |
| Ret | Walter Flückiger | Lotus 35 - Ford | DNQ | |
| Ret | Alfredo Simoni | Brabham - Ford | DNQ | |
| Ret | Nestor Salerno | Brabham BT15 - Ford | DNA | |
| Ret | Piers Courage | Brabham BT10 - Ford | DNA |
Read more about this topic: 1966 Buenos Aires Grand Prix