| GP of Spain Montjuich Park 18-4-1971, 75 laps of 3.790 m, Total distance 284.250 m | |||||
| Pos | No | Driver | Team-engine | Diff | Reason |
| 1 | 11 | Jackie Stewart | Tyrrell-Ford | 1:49:03.40 | - |
| 2 | - | Jacky Ickx | Ferrari | -00:03.40 | - |
| 3 | - | Chris Amon | Matra-Simca | -00:58.10 | - |
| 4 | - | Pedro Rodriguez | B.R.M. | -01:17.90 | - |
| 5 | - | Denny Hulme | McLaren-Ford | -02:27.00 | - |
| 6 | - | Jean-Pierre Beltoise | Matra-Simca | -1 lap | - |
| 7 | - | François Cevert | Tyrrell-Ford | -1 lap | - |
| 8 | - | Peter Gethin | McLaren-Ford | -2 lap | - |
| 9 | - | Tim Schenken | Brabham-Ford | -3 laps | - |
| 10 | - | Howden Ganley | B.R.M. | -4 laps | - |
| 11 | - | John Surtees | McLaren-Ford | -8 laps | - |
| 12 | - | Reine Wisell | Lotus-Ford | -17 laps | - |
| 13 | - | Emerson Fittipaldi | Lotus-Ford | 54 laps | Rear suspension |
| 14 | - | Henri Pescarolo | March-Ford | 54 laps | Engine |
| 15 | - | Mario Andretti | Ferrari | 51 lap | Engine |
| 16 | - | Alex Soler-Roig | March-Ford | 47 laps | Fuel pump |
| 17 | - | Andrea de Adamich | March-Alfa Romeo | 27 laps | Transmission |
| 18 | - | Ronnie Peterson | March-Ford | 25 laps | Ignition |
| 19 | - | Clay Regazzoni | Ferrari | 13 laps | Engine |
| 20 | - | Rolf Stommelen | Surtees-Ford | 9 laps | Fuel pressure |
| 21 | - | Jo Siffert | B.R.M. | 6 laps | Gearbox |
| 22 | 7 | Graham Hill | Brabham-Ford | 5 laps | Steering |
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