1971 1000 km Buenos Aires
The 1971 Buenos Aires 1000 Kilometers was the opening round of the 1971 International Championship for Makes season. It took place at the Buenos Aires circuit No.15, Argentina, on January 10, 1971. Grand tourer class cars did not participate in this event.
Scuderia Ferrari driver Ignazio Giunti was killed during the race. He was leading the race when his car ran into the back of the disabled Matra driver Jean-Pierre Beltoise was pushing to the pits. Both cars were caught on fire and Giunti was unable to escape.
Official results
Class winners in bold. Cars failing to complete 70% of the winner's distance marked as Not Classified.| Pos | Class | No | Team | Drivers | Chassis | Laps |
| Pos | Class | No | Team | Drivers | Engine | Laps |
| 1 | S | 30 |  J.W. Automotive |  Jo Siffert Derek Bell | Porsche 917K | 165 |
| 1 | S | 30 | J.W. Automotive | Jo Siffert Derek Bell | Porsche 4.9L Flat-12 | 165 |
| 2 | S | 32 | J.W. Automotive |  Pedro Rodríguez Jackie Oliver | Porsche 917K | 164 |
| 2 | S | 32 | J.W. Automotive | Pedro Rodríguez Jackie Oliver | Porsche 4.9L Flat-12 | 164 |
| 3 | P3.0 | 14 |  Autodelta SpA |  Rolf Stommelen Nanni Galli | Alfa Romeo T33/3 | 163 |
| 3 | P3.0 | 14 | Autodelta SpA | Rolf Stommelen Nanni Galli | Alfa Romeo 3.0L V8 | 163 |
| 4 | P3.0 | 16 | Autodelta SpA | Andrea de Adamich Henri Pescarolo | Alfa Romeo 33TT3 | 161 |
| 4 | P3.0 | 16 | Autodelta SpA | Andrea de Adamich Henri Pescarolo | Alfa Romeo 3.0L V8 | 161 |
| 5 | S | 20 |  Escuderia Montjuich | José Juncadella Carlos Pairetti | Ferrari 512S | 155 |
| 5 | S | 20 | Escuderia Montjuich | José Juncadella Carlos Pairetti | Ferrari 5.0L V12 | 155 |
| 6 | S | 18 |  Ecurie Francorchamps | Hughes de Fierlandt Gustave Gosselin | Ferrari 512S Spyder | 153 |
| 6 | S | 18 | Ecurie Francorchamps | Hughes de Fierlandt Gustave Gosselin | Ferrari 5.0L V12 | 153 |
| 7 | S | 8 | Scuderia Filipinetti | Mike Parkes Jo Bonnier | Ferrari 512M | 150 |
| 7 | S | 8 | Scuderia Filipinetti | Mike Parkes Jo Bonnier | Ferrari 5.0L V12 | 150 |
| 8 | S | 22 |  North American Racing Team | Sam Posey Nestor García-Veiga Rubén Luis di Palma | Ferrari 512S Spyder | 148 |
| 8 | S | 22 | North American Racing Team | Sam Posey Nestor García-Veiga Rubén Luis di Palma | Ferrari 5.0L V12 | 148 |
| 9 | P3.0 | 2 | Ecurie Evergreen | Chris Craft Trevor Taylor | McLaren M8C | 146 |
| 9 | P3.0 | 2 | Ecurie Evergreen | Chris Craft Trevor Taylor | Ford 3.0 V8 | 146 |
| 10 | S | 34 | Zitro Racing | Dominique Martin Pablo Bréa | Porsche 917K | 145 |
| 10 | S | 34 | Zitro Racing | Dominique Martin Pablo Bréa | Porsche 4.9L Flat-12 | 145 |
| 11 | P2.0 | 6 | Ecurie Evergreen | David Weir Jorge Omar del Río | Lola T210 | 143 |
| 11 | P2.0 | 6 | Ecurie Evergreen | David Weir Jorge Omar del Río | Ford Cosworth FVC 1.8L I4 | 143 |
| 12 | P2.0 | 10 | Scuderia Filipinetti | Ronnie Peterson Jorge Cupeiro | Lola T212 | 130 |
| 12 | P2.0 | 10 | Scuderia Filipinetti | Ronnie Peterson Jorge Cupeiro | Ford Cosworth FVC 1.8L I4 | 130 |
| 13 | P2.0 | 46 | Daniel Rouveyran | Daniel Rouveyran Carlos Ruesch | Lola T210 | 129 |
| 13 | P2.0 | 46 | Daniel Rouveyran | Daniel Rouveyran Carlos Ruesch | Ford Cosworth FVC 1.8L I4 | 129 |
| 14 DNF | S | 48 | Team Auto Usdau | Reinhold Joest Angel Monguzzi | Porsche 917K | 85 |
| 14 DNF | S | 48 | Team Auto Usdau | Reinhold Joest Angel Monguzzi | Porsche 4.9L Flat-12 | 85 |
| 15 DNF | S | 38 | Martini International Racing | Vic Elford Gérard Larrousse | Porsche 917K | 65 |
| 15 DNF | S | 38 | Martini International Racing | Vic Elford Gérard Larrousse | Porsche 4.9L Flat-12 | 65 |
| 16 DNF | P3.0 | 40 | Team Auto Usdau | Hans-Dieter Weigel Eduardo Copello | Porsche 908/02 | 54 |
| 16 DNF | P3.0 | 40 | Team Auto Usdau | Hans-Dieter Weigel Eduardo Copello | Porsche 3.0L Flat-8 | 54 |
| 17 DNF | S | 28 |  Escuderia Nacional CS | Emerson Fittipaldi Carlos Reutemann | Porsche 917K | 43 |
| 17 DNF | S | 28 | Escuderia Nacional CS | Emerson Fittipaldi Carlos Reutemann | Porsche 4.9L Flat-12 | 43 |
| 18 DNF | P3.0 | 24 | SpA Ferrari SEFAC | Ignazio Giunti Arturo Merzario | Ferrari 312PB | 38 |
| 18 DNF | P3.0 | 24 | SpA Ferrari SEFAC | Ignazio Giunti Arturo Merzario | Ferrari 3.0L V12 | 38 |
| 19 DNF | P3.0 | 26 | Matra Sports | Jean-Pierre Beltoise Jean-Pierre Jabouille | Matra-Simca MS660 | 36 |
| 19 DNF | P3.0 | 26 | Matra Sports | Jean-Pierre Beltoise Jean-Pierre Jabouille | Matra 3.0L V12 | 36 |
| 20 DNF | P2.0 | 4 | Ecurie Evergreen | Alain de Cadenet Nasif Estéfano | Lola T210 | 27 |
| 20 DNF | P2.0 | 4 | Ecurie Evergreen | Alain de Cadenet Nasif Estéfano | Ford FVC 1.8L I4 | 27 |
| 21 DNF | S | 44 | Eduardo Pino | Eduardo Pino Jorge Ternengo | Baufer | 8 |
| 21 DNF | S | 44 | Eduardo Pino | Eduardo Pino Jorge Ternengo | Chevrolet V8 | 8 |
| 22 DNF | S | 36 | Martini International Racing |  Helmut Marko Gijs van Lennep | Porsche 917K | 2 |
| 22 DNF | S | 36 | Martini International Racing | Helmut Marko Gijs van Lennep | Porsche 4.9L Flat-12 | 2 |
| DNS | P3.0 | 12 | Autodelta SpA | Emerson Fittipaldi Toine Hezemans | Alfa Romeo T33/3 | - |
| DNS | P3.0 | 12 | Autodelta SpA | Emerson Fittipaldi Toine Hezemans | Alfa Romeo 3.0L V8 | - |
| DNS | P2.0 | 42 | Oreste Berta | Rubén Luis di Palma Carlos Marincovich | Berta LR | - |
| DNS | P2.0 | 42 | Oreste Berta | Rubén Luis di Palma Carlos Marincovich | Renault | - |
Statistics
- Pole Position - #32 J.W. Automotive - 1:52.70
- Fastest Lap - #30 J.W. Automotive - 1:51.53
- Average Speed - 186.229 km/h