Portuguese Grand Prix
Round 16 · 21 October 1984 ·Autódromo do Estoril, Estoril, Portugal
Lauda
McLaren
2
Prost
McLaren
1
Senna
Toleman
3
Race classification
| Pos. | Driver | Nationality | Team | Laps | Time | Pts. |
|---|---|---|---|---|---|---|
| 1 | Alain Prost |  French | McLaren | 70 | 1:41:11.753 | 9 |
| 2 | Niki Lauda |  Austrian | McLaren | 70 | +13.425 | 6 |
| 3 | Ayrton Senna |  Brazilian | Toleman | 70 | +20.042 | 4 |
| 4 | Michele Alboreto |  Italian | Ferrari | 70 | +20.317 | 3 |
| 5 | Elio de Angelis | Italian | Team Lotus | 70 | +1:32.169 | 2 |
| 6 | Nelson Piquet | Brazilian | Brabham | 69 | +1 Lap | 1 |
| 7 | Patrick Tambay | French | Renault | 69 | +1 Lap | 0 |
| 8 | Riccardo Patrese | Italian | Alfa Romeo | 69 | +1 Lap | 0 |
| 9 | René Arnoux | French | Ferrari | 69 | +1 Lap | 0 |
| 10 | Manfred Winkelhock |  German | Brabham | 69 | +1 Lap | 0 |
| 11 | Stefan Johansson |  Swedish | Toleman | 69 | +1 Lap | 0 |
| 12 | Andrea de Cesaris | Italian | Ligier | 69 | +1 Lap | 0 |
| 13 | Gerhard Berger | Austrian | ATS | 68 | +2 Laps | 0 |
| 14 | Jacques Laffite | French | Williams | 67 | +3 Laps | 0 |
| 15 | Mauro Baldi | Italian | Spirit | 66 | +4 Laps | 0 |
| 16 | Jo Gartner | Austrian | Osella | 65 | Out of fuel | 0 |
| 17 | Eddie Cheever |  American | Alfa Romeo | 64 | +6 Laps | 0 |
| R | Piercarlo Ghinzani | Italian | Osella | 60 | Engine | 0 |
| R | Nigel Mansell |  British | Team Lotus | 52 | Spun off | 0 |
| R | Derek Warwick | British | Renault | 51 | Gearbox | 0 |
| R | Philippe Streiff | French | Renault | 48 | Transmission | 0 |
| R | Keke Rosberg |  Finnish | Williams | 39 | Engine | 0 |
| R | François Hesnault | French | Ligier | 31 | Electrical | 0 |
| R | Thierry Boutsen |  Belgian | Arrows | 24 | Transmission | 0 |
| R | Jonathan Palmer | British | RAM | 19 | Gearbox | 0 |
| R | Marc Surer |  Swiss | Arrows | 8 | Electrical | 0 |
| R | Philippe Alliot | French | RAM | 2 | Engine | 0 |
- R
- Retired