McLaren → BRM
Peter Gethin terminó P9 en el Campeonato del Mundo de 1971 con 9 puntos. En 11 carreras: 1 victoria, 1 podio y 0 pole positions — mejor resultado P1.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | South African Grand Prix | McLaren | 11 | P23 | Fuel leak | |
| 2 | Spanish Grand Prix | McLaren | 7 | P8 | +2 Laps | |
| 3 | Monaco Grand Prix | McLaren | 14 | P15 | Accident | |
| 4 | Dutch Grand Prix | McLaren | 23 | P15 | Not classified | |
| 5 | French Grand Prix | McLaren | 19 |
| P9 |
| +1 Lap |
| 6 | British Grand Prix | McLaren | 14 | P15 | Engine |
| 7 | German Grand Prix | McLaren | 19 | P17 | Accident |
| 8 | Austrian Grand Prix | BRM | 16 | P10 | +2 Laps |
| 9 | Italian Grand Prix | BRM | 11 | P1 | 9 | Finished |
| 10 | Canadian Grand Prix | BRM | 16 | P14 | +5 Laps |
| 11 | United States Grand Prix | BRM | 21 | P9 | +1 Lap |