Round 16 · 21 October 1984
1984 Portuguese Grand Prix: results
Alain Prost (McLaren) won the 1984 Portuguese Grand Prix, round 16 of the championship, held on 21 October 1984 at Autódromo do Estoril (Portugal), starting from position 2. Niki Lauda (McLaren) and Ayrton Senna (Toleman) completed the podium. Pole position went to Nelson Piquet.
Final classification
| Pos | Driver | Team | Grid | Time / gap | Pts | Status |
|---|---|---|---|---|---|---|
| 1 | Alain Prost | McLaren | 2 | 1:41:11.753 | 9 | Finished |
| 2 | Niki Lauda | McLaren | 11 | +13.425 s | 6 | Finished |
| 3 | Ayrton Senna | Toleman | 3 | +20.042 s | 4 | Finished |
| 4 | Michele Alboreto | Ferrari | 8 | +20.317 s | 3 | Finished |
| 5 | Elio de Angelis | Team Lotus | 5 | +92.169 s | 2 | Finished |
| 6 | Nelson Piquet | Brabham | 1 | +1 Lap | 1 | +1 Lap |
| 7 | Patrick Tambay | Renault | 7 | +1 Lap | — | +1 Lap |
| 8 | Riccardo Patrese | Alfa Romeo | 12 | +1 Lap | — | +1 Lap |
| 9 | René Arnoux | Ferrari | 17 | +1 Lap | — | +1 Lap |
| 10 | Manfred Winkelhock | Brabham | 19 | +1 Lap | — | +1 Lap |
| 11 | Stefan Johansson | Toleman | 10 | +1 Lap | — | +1 Lap |
| 12 | Andrea de Cesaris | Ligier | 20 | +1 Lap | — | +1 Lap |
| 13 | Gerhard Berger | ATS | 23 | +2 Laps | — | +2 Laps |
| 14 | Jacques Laffite | Williams | 15 | +3 Laps | — | +3 Laps |
| 15 | Mauro Baldi | Spirit | 25 | +4 Laps | — | +4 Laps |
| 16 | Jo Gartner | Osella | 24 | — | — | Out of fuel |
| 17 | Eddie Cheever | Alfa Romeo | 14 | +6 Laps | — | +6 Laps |
| 18 | Piercarlo Ghinzani | Osella | 22 | — | — | Engine |
| 19 | Nigel Mansell | Team Lotus | 6 | — | — | Spun off |
| 20 | Derek Warwick | Renault | 9 | — | — | Gearbox |
| 21 | Philippe Streiff | Renault | 13 | — | — | Transmission |
| 22 | Keke Rosberg | Williams | 4 | — | — | Engine |
| 23 | François Hesnault | Ligier | 21 | — | — | Electrical |
| 24 | Thierry Boutsen | Arrows | 18 | — | — | Transmission |
| 25 | Jonathan Palmer | RAM | 26 | — | — | Gearbox |
| 26 | Marc Surer | Arrows | 16 | — | — | Electrical |
| 27 | Philippe Alliot | RAM | 27 | — | — | Engine |