Alain Prost won the Brazilian Grand Prix 1985 at Autódromo Internacional Nelson Piquet on 7 April 1985, starting from P6 on the grid. Michele Alboreto finished second for Ferrari, with Elio de Angelis completing the podium for Team Lotus.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 6 | Alain ProstPRO | McLaren | 61 | 1:41:26.115 | 9 | |
| 2 | 1 | Michele AlboretoALB | Ferrari | 61 | +3.259 | 6 | |
| 3 | 3 | Elio de AngelisDEA | Team Lotus | 60 | +1 Lap | 4 | |
| 4 | 7 | René ArnouxARN | Ferrari | 59 | +2 Laps | 3 | |
| 5 | 11 | Patrick TambayTAM | Renault | 59 | +2 Laps | 2 | |
| 6 | 15 | Jacques LaffiteLAF | Ligier | 59 | +2 Laps | 1 | |
| 7 | 23 | Stefan JohanssonJOH | Tyrrell | 58 | +3 Laps | 0 | |
| 8 | 21 | Martin BrundleBRU | Tyrrell | 58 | +3 Laps | 0 | |
| 9 | 20 | Philippe AlliotALL | RAM | 58 | +3 Laps | 0 | |
| 10 | 10 | Derek WarwickWAR | Renault | 57 | +4 Laps | 0 | |
| 11 | 12 | Thierry BoutsenBOU | Arrows | 57 | +4 Laps | 0 | |
| 12 | 22 | Piercarlo GhinzaniGHI | Osella | 57 | +4 Laps | 0 | |
| 13 | 16 | Manfred WinkelhockWIN | RAM | 57 | +4 Laps | 0 | |
| R | 19 | Gerhard BergerBER | Arrows | 51 | Suspension | 0 | |
| R | 4 | Ayrton SennaSEN | Team Lotus | 48 | Electrical | 0 | |
| R | 18 | Eddie CheeverCHE | Alfa Romeo | 42 | Engine | 0 | |
| R | 25 | Pierluigi MartiniMAR | Minardi | 41 | Engine | 0 | |
| R | 9 | Niki LaudaLAU | McLaren | 27 | Fuel system | 0 | |
| R | 13 | Andrea de CesarisDEC | Ligier | 26 | Accident | 0 | |
| R | 14 | Riccardo PatresePAT | Alfa Romeo | 20 | Puncture | 0 | |
| R | 2 | Keke RosbergROS | Williams | 10 | Turbo | 0 | |
| R | 17 | François HesnaultHES | Brabham | 9 | Accident | 0 | |
| R | 5 | Nigel MansellMAN | Williams | 8 | Exhaust | 0 | |
| R | 24 | Mauro BaldiBAL | Spirit | 7 | Turbo | 0 | |
| R | 8 | Nelson PiquetPIQ | Brabham | 2 | Transmission | 0 |