WDC Decider WCC Decider
| Pos | Driver | Team | Grid | Time / Gap | Pts |
|---|---|---|---|---|---|
| 1 | PAT Riccardo Patrese | Brabham | 3 | 1:33:25.708 | 9 |
| 2 | DEC Andrea de Cesaris | Alfa Romeo | 9 | +9.319 | 6 |
| 3 | PIQ Nelson Piquet FL | Brabham | 2 | +21.969 | 4 |
| 4 | WAR Derek Warwick | Toleman | 13 | +1 lap | 3 |
| 5 | ROS Keke Rosberg | Williams | 6 | +1 lap | 2 |
| 6 | CHE Eddie Cheever | Renault | 14 | +1 lap | 1 |
| 7 | SUL Danny Sullivan | Tyrrell | 19 | +2 laps | — |
| 8 | SUR Marc Surer | Arrows | 22 | +2 laps | — |
| 9 | BOU Thierry Boutsen | Arrows | 20 | +3 laps | — |
| 10 | JAR Jean-Pierre Jarier | Ligier | 21 | +4 laps | — |
| 11 | LAU Niki Lauda | McLaren | 12 | Electrical | — |
| 12 | ACH Kenny Acheson | RAM | 24 | +6 laps | — |
| NC | MAN Nigel Mansell | Lotus | 7 | +9 laps | — |
| NC | BOE Raul Boesel | Ligier | 23 | +11 laps | — |
| DNF | ALB Michele Alboreto | Tyrrell | 18 | Engine | — |
| DNF | TAM Patrick Tambay | Ferrari | 1 | Turbo | — |
| DNF | GIA Bruno Giacomelli | Toleman | 16 | Turbo | — |
| DNF | PRO Alain Prost | Renault | 5 | Turbo | — |
| DNF | FAB Corrado Fabi | Osella | 25 | Engine | — |
| DNF | DEA Elio de Angelis | Lotus | 11 | Engine | — |
| DNF | ARN René Arnoux | Ferrari | 4 | Engine | — |
| DNF | BAL Mauro Baldi | Alfa Romeo | 17 | Engine | — |
| DNF | WIN Manfred Winkelhock | ATS | 8 | Engine | — |
| DNF | LAF Jacques Laffite | Williams | 10 | Spun off | — |
| DNF | GHI Piercarlo Ghinzani | Osella | 26 | Engine | — |
| DSQ | WAT John Watson | McLaren | 15 | Overtaking on formation lap | — |