Autódromo Internacional Nelson Piquet · 25 March 1984
Alain Prost won the 1984 Brazilian Grand Prix for McLaren from 4th on the grid, 40.514s ahead of Keke Rosberg. Jonathan Palmer gained the most places, from 26th on the grid to 8th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | McLaren Prost 9 + Lauda 0 | Prost 9 + Lauda 0 | 9 | |
| 2 | Williams Rosberg 6 + Laffite 0 | Rosberg 6 + Laffite 0 | 6 | |
| 3 | Team Lotus de Angelis 4 + Mansell 0 | de Angelis 4 + Mansell 0 | 4 | |
| 4 | Alfa Romeo Cheever 3 + Patrese 0 | Cheever 3 + Patrese 0 | 3 | |
| 5 | Renault Tambay 2 + Warwick 0 | Tambay 2 + Warwick 0 | 2 | |
| 6 | Arrows Boutsen 1 + Surer 0 | Boutsen 1 + Surer 0 | 1 | |
| 7 | RAM Palmer 0 + Alliot 0 | Palmer 0 + Alliot 0 | 0 | |
| 8 | Tyrrell Brundle 0 + Bellof 0 | Brundle 0 + Bellof 0 | 0 | |
| 9 | Ligier de Cesaris 0 + Hesnault 0 | de Cesaris 0 + Hesnault 0 | 0 | |
| 10 | Brabham Piquet 0 + Fabi 0 | Piquet 0 + Fabi 0 | 0 | |
| 11 | Ferrari Arnoux 0 + Alboreto 0 | Arnoux 0 + Alboreto 0 | 0 | |
| 12 | Osella Ghinzani 0 | Ghinzani 0 | 0 | |
| 13 | Toleman Cecotto 0 + Senna 0 | Cecotto 0 + Senna 0 | 0 | |
| 14 | Spirit Baldi 0 | Baldi 0 | 0 | |
| 15 | ATS Winkelhock 0 | Winkelhock 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Alain Prost McLaren | McLaren | 1:42:34.492 | 61 | — | 9 | |
| 2 | Keke Rosberg Williams | Williams | +40.514s | 61 | — | 6 | |
| 3 | Elio de Angelis Team Lotus | Team Lotus | +59.128s | 61 | — | 4 | |
| 4 | Eddie Cheever Alfa Romeo | Alfa Romeo | +1 Lap | 60 | — | 3 | |
| 5 | Patrick Tambay Renault | Renault | DNF Out of fuel | 59 | — | 2 | |
| 6 | Thierry Boutsen Arrows | Arrows | +2 Laps | 59 | — | 1 | |
| 7 | Marc Surer Arrows | Arrows | +2 Laps | 59 | — | — | |
| 8 | Jonathan Palmer RAM | RAM | +3 Laps | 58 | — | — | |
| DSQ | Martin Brundle Tyrrell | Tyrrell | DSQ | 60 | — | — | |
| DNF | Derek Warwick Renault | Renault | DNF Suspension | 51 | — | — | |
| DNF | Andrea de Cesaris Ligier | Ligier | DNF Gearbox | 42 | — | — | |
| DNF | Riccardo Patrese Alfa Romeo | Alfa Romeo | DNF Gearbox | 41 | — | — | |
| DNF | Niki Lauda McLaren | McLaren | DNF Electrical | 38 | — | — | |
| DNF | Nigel Mansell Team Lotus | Team Lotus | DNF Accident | 35 | — | — | |
| DNF | Nelson Piquet Brabham | Brabham | DNF Engine | 32 | — | — | |
| DNF | Teo Fabi Brabham | Brabham | DNF Turbo | 32 | — | — | |
| DNF | René Arnoux Ferrari | Ferrari | DNF Battery | 30 | — | — | |
| DNF | Piercarlo Ghinzani Osella | Osella | DNF Gearbox | 28 | — | — | |
| DNF | François Hesnault Ligier | Ligier | DNF Overheating | 25 | — | — | |
| DNF | Philippe Alliot RAM | RAM | DNF Battery | 24 | — | — | |
| DNF | Johnny Cecotto Toleman | Toleman | DNF Turbo | 18 | — | — | |
| DNF | Jacques Laffite Williams | Williams | DNF Electrical | 15 | — | — | |
| DNF | Michele Alboreto Ferrari | Ferrari | DNF Brakes | 14 | — | — | |
| DNF | Mauro Baldi Spirit | Spirit | DNF Distributor | 12 | — | — | |
| DSQ | Stefan Bellof Tyrrell | Tyrrell | DSQ | 11 | — | — | |
| DNF | Ayrton Senna Toleman | Toleman | DNF Turbo | 8 | — | — | |
| DNS | Manfred Winkelhock ATS | ATS | DNS | 0 | — | — |