| Date | Sunday 18 April 1971 |
| Start time | 14:00 |
| Event | Spanish GP |
| Circuit | Montjuich Park |
| Event Format | Race of 75 laps |
| Race | 9 of 31 |
| Championship race | 199 |
| Laps | 75 |
| Circuit Perimeter | 3791 m |
| Race Distance | 3791 × 75 = 284.325 km |
| Grid Format | 3-2-3-2 |
| Pole Position | Right |
| First Corner | Left |
| Track Direction | Anti-clockwise |
| Weather | Sunny, Hot, Dry |
| Entries | 22 |
| Qualifiers | 22 |
| Finishers | 11 |
| Championship Debutants |
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| Milestones | Clay Regazzoni - 10th Race Entry (Driver)
Elf Team Tyrrell - 1st Win (Entrant)
Gulf - 75th Race Entry (Lubricant Manufacturer)
Tyrrell - 1st Win (Car Manufacturer)
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| Records Broken |
1. Most 21st Fastest Laps – Graham Hill (2),
2. Most Poles – Ferrari (54)
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| Records Extended |
1. Most Constructors' Championship Points Scores – Ferrari (144),
2. Most Retirements – Lotus (242),
3. Most Drivers' Championship Points Scores – Ferrari (276),
4. Most Podium Finishes – Ferrari (185),
5. Most Retirements – Graham Hill (56),
6. Most 2nd Place Finishes – Ferrari (75),
7. Most Fastest Laps – Ferrari (55),
8. Most Races Led – Ferrari (129),
9. Most Laps Led – Ferrari (3183),
10. Most Race Entries – Ferrari (571),
11. Most 2nd Place Qualifications – Ferrari (55),
12. Most 8th Place Qualifications – Ferrari (33),
13. Most 16th Place Qualifications – Lotus (36)
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