1984 Portuguese Grand Prix
- Round
- 16 of 1984
- Circuit
- Autodromo do Estoril
- Location
- Estoril, Portugal
- Dates
- —
- Format
- Standard weekend
- Winner
- Alain Prost
- Constructor
- McLaren
- Entrant
- McLaren-TAG
- Pole position
- Nelson Piquet
- Fastest lap
- Niki Lauda
- Confidence
- reference
Classification
| Pos | Driver | Constructor | Grid | Laps | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Alain Prost | McLaren | 2 | 70 | 9 | — |
| 2 | Niki Lauda | McLaren | 11 | 70 | 6 | — · fastest lap |
| 3 | Ayrton Senna | Toleman | 3 | 70 | 4 | — |
| 4 | Michele Alboreto | Ferrari | 8 | 70 | 3 | — |
| 5 | Elio de Angelis | Team Lotus | 5 | 70 | 2 | — |
| 6 | Nelson Piquet | Brabham | 1 | 69 | 1 | — |
| 7 | Patrick Tambay | Renault | 7 | 69 | — | — |
| 8 | Riccardo Patrese | Alfa Romeo | 12 | 69 | — | — |
| 9 | Rene Arnoux | Ferrari | 17 | 69 | — | — |
| 10 | Manfred Winkelhock | Brabham | 19 | 69 | — | — |
| 11 | Stefan Johansson | Toleman | 10 | 69 | — | — |
| 12 | Andrea de Cesaris | Ligier | 20 | 69 | — | — |
| 13 | Gerhard Berger | ATS | 23 | 68 | — | — |
| 14 | Jacques Laffite | Williams | 15 | 67 | — | — |
| 15 | Mauro Baldi | Spirit | 25 | 66 | — | — |
| 16 | Jo Gartner | Osella | 24 | 65 | — | Out of fuel |
| 17 | Eddie Cheever | Alfa Romeo | 14 | 64 | — | — |
| DNF | Keke Rosberg | Williams | 4 | 39 | — | Engine |
| DNF | Nigel Mansell | Team Lotus | 6 | 52 | — | Brakes |
| DNF | Derek Warwick | Renault | 9 | 51 | — | Gearbox |
| DNF | Philippe Streiff | Renault | 13 | 48 | — | Transmission |
| DNF | Marc Surer | Arrows | 16 | 8 | — | Electrical |
| DNF | Thierry Boutsen | Arrows | 18 | 24 | — | Transmission |
| DNF | François Hesnault | Ligier | 21 | 31 | — | Electrical |
| DNF | Piercarlo Ghinzani | Osella | 22 | 60 | — | Engine |
| DNF | Jonathan Palmer | RAM | 26 | 19 | — | Gearbox |
| DNF | Philippe Alliot | RAM | 27 | 2 | — | Engine |