Italian Grand Prix
| Pos | Driver | Team | Q1 | Q2 | Q3 |
|---|
| Pos | Driver | Team | Grid | Time/Status | Points |
|---|---|---|---|---|---|
| 1 | Alain Prost | McLaren | 5 | 1:17:59.451 | 9.0 |
| 2 | Nelson Piquet | Brabham | 4 | +51.635 | 6.0 |
| 3 | Ayrton Senna | Team Lotus | 1 | +1:00.390 | 4.0 |
| 4 | Marc Surer | Brabham | 9 | +1:00.609 | 3.0 |
| 5 | Stefan Johansson | Ferrari | 10 | +1 Lap | 2.0 |
| 6 | Elio de Angelis | Team Lotus | 6 | +1 Lap | 1.0 |
| 7 | Patrick Tambay | Renault | 8 | +1 Lap | |
| 8 | Martin Brundle | Tyrrell | 18 | +1 Lap | |
| 9 | Thierry Boutsen | Arrows | 14 | +1 Lap | |
| 10 | Philippe Streiff | Ligier | 19 | +2 Laps | |
| 11 | Nigel Mansell | Williams | 3 | Engine | |
| 12 | Teo Fabi | Toleman | 15 | +4 Laps | |
| 13 | Michele Alboreto | Ferrari | 7 | Engine | |
| R | Keke Rosberg | Williams | 2 | Engine | |
| R | Jacques Laffite | Ligier | 20 | Engine | |
| R | Niki Lauda | McLaren | 16 | Transmission | |
| R | Riccardo Patrese | Alfa Romeo | 13 | Exhaust | |
| R | Huub Rothengatter | Osella | 22 | Engine | |
| R | Philippe Alliot | RAM | 26 | Turbo | |
| R | Gerhard Berger | Arrows | 11 | Engine | |
| R | Derek Warwick | Renault | 6 | Transmission | |
| R | Alan Jones | Lola | 25 | Engine | |
| R | Eddie Cheever | Alfa Romeo | 17 | Engine | |
| R | Kenny Acheson | RAM | 24 | Clutch | |
| R | Pierluigi Martini | Minardi | 23 | Fuel pump | |
| W | Piercarlo Ghinzani | Toleman | Withdrew |
| Pos | Driver | Team | Grid | Time/Status | Points |
|---|