Race Result
| GP n. 421 - 23/03/1986 - Grand Prix of Brazil Jacarepagua |
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| Winner: | Nelson Piquet / Williams-Honda - 1:39'32.583 | ||||||
| Pole Position: | Ayrton Senna / Lotus-Renault - 1:25.501 | ||||||
| Fastest Lap: | Nelson Piquet / Williams-Honda - 1:33.546 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 6 | Williams-Honda | 61 | 1:39'32.583 | 2 | 9 | |
| 2 | 12 | Lotus-Renault | 61 | +34.827 | 1 | 6 | |
| 3 | 26 | Ligier-Renault | 61 | +59.759 | 5 | 4 | |
| 4 | 25 | Ligier-Renault | 61 | + 1'28.429 | 4 | 3 | |
| 5 | 3 | Tyrrell-Renault | 60 | + 1 lap | 17 | 2 | |
| 6 | 20 | Benetton-BMW | 59 | + 2 laps | 16 | 1 | |
| 7 | 4 | Tyrrell-Renault | 59 | + 2 laps | 18 | 0 | |
| 8 | 8 | Brabham-BMW | 58 | + 3 laps | 14 | 0 | |
| 9 | 11 | Lotus-Renault | 58 | + 3 laps | 11 | 0 | |
| 10 | 19 | Benetton-BMW | 56 | + 5 laps | 12 | 0 | |
| Ret | 18 | Arrows-BMW | 37 | exhaust | 15 | 0 | |
| Ret | 27 | Ferrari | 35 | fuel system | 6 | 0 | |
| Ret | 1 | McLaren-TAG | 30 | engine | 9 | 0 | |
| Ret | 22 | Osella-Alfa Romeo | 29 | engine | 24 | 0 | |
| Ret | 28 | Ferrari | 26 | brakes | 8 | 0 | |
| Ret | 16 | Lola-Hart | 24 | battery | 13 | 0 | |
| Ret | 7 | Brabham-BMW | 21 | water leak | 10 | 0 | |
| Ret | 14 | Zakspeed | 20 | engine | 21 | 0 | |
| Ret | 17 | Arrows-BMW | 19 | engine | 20 | 0 | |
| Ret | 24 | Minardi-Motori Moderni | 18 | clutch | 25 | 0 | |
| Ret | 23 | Minardi-Motori Moderni | 16 | turbo | 22 | 0 | |
| Ret | 21 | Osella-Alfa Romeo | 16 | engine | 23 | 0 | |
| Ret | 2 | McLaren-TAG | 6 | engine | 7 | 0 | |
| Ret | 15 | Lola-Hart | 5 | injection | 19 | 0 | |
| Ret | 5 | Williams-Honda | 0 | spun off | 3 | 0 | |