1971 42o Gran Premio d'Italia
| Date | 05.09.1971 | Category | Formula 1 |
| Circuit | Autodromo nazionale di Monza | Championship | World Drivers' Championship |
| Race title | 42o Gran Premio d'Italia | Round | 9 |
| Distance | 55 laps = 316.25 km | Country | Italy |
Winner's speed: 242.620 kmh
Pole's speed: 251.213 kmh
Fastest lap speed: 247.000 kmh
| Rank | Pos. | # | Driver | Entrant | Car | Laps | Laps lead | Time | Status | Pts | FL time | FL rank | Grid | Row | Qual time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 18 | Peter Gethin | Yardley Team BRM | BRM P160 | 55 | 3 | 1:18'12.60 | finished | 9 | 1'24.1 | 6 | 11 | 6 | 1'23.88 |
| 2 | 2 | 25 | Ronnie Peterson | STP March Racing Team | March 711 Cosworth DFV 3.0 V8 | 55 | 23 | 1:18'12.61 | finished | 6 | 1'24.1 | 5 | 6 | 3 | 1'23.46 |
| 23 | 21 | Helmut Marko | Yardley Team BRM | BRM P153 | 3 | 4'56.0 | DNF, engine | 1'26.4 | 19 | 12 | 6 | 1'23.96 | |||
| 26 | 20T | Helmut Marko | Yardley Team BRM | BRM P160 | DNS |