1985 Italian Grand Prix
- Round
- 12 of 1985
- Circuit
- Autodromo Nazionale Monza
- Location
- Monza, Italy
- Dates
- —
- Format
- Standard weekend
- Winner
- Alain Prost
- Constructor
- McLaren
- Entrant
- McLaren-TAG
- Pole position
- Ayrton Senna
- Fastest lap
- Nigel Mansell
- Confidence
- reference
Classification
| Pos | Driver | Constructor | Grid | Laps | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Alain Prost | McLaren | 5 | 51 | 9 | — |
| 2 | Nelson Piquet | Brabham | 4 | 51 | 6 | — |
| 3 | Ayrton Senna | Team Lotus | 1 | 51 | 4 | — |
| 4 | Marc Surer | Brabham | 9 | 51 | 3 | — |
| 5 | Stefan Johansson | Ferrari | 10 | 50 | 2 | — |
| 6 | Elio de Angelis | Team Lotus | 6 | 50 | 1 | — |
| 7 | Patrick Tambay | Renault | 8 | 50 | — | — |
| 8 | Martin Brundle | Tyrrell | 18 | 50 | — | — |
| 9 | Thierry Boutsen | Arrows | 14 | 50 | — | — |
| 10 | Philippe Streiff | Ligier | 19 | 49 | — | — |
| 11 | Nigel Mansell | Williams | 3 | 47 | — | Engine · fastest lap |
| 12 | Teo Fabi | Toleman | 15 | 47 | — | — |
| 13 | Michele Alboreto | Ferrari | 7 | 45 | — | Engine |
| DNF | Keke Rosberg | Williams | 2 | 44 | — | Engine |
| DNF | Gerhard Berger | Arrows | 11 | 13 | — | Engine |
| DNF | Derek Warwick | Renault | 12 | 9 | — | Transmission |
| DNF | Riccardo Patrese | Alfa Romeo | 13 | 31 | — | Exhaust |
| DNF | Niki Lauda | McLaren | 16 | 33 | — | Transmission |
| DNF | Eddie Cheever | Alfa Romeo | 17 | 3 | — | Engine |
| DNF | Jacques Laffite | Ligier | 20 | 40 | — | Engine |
| DNS | Piercarlo Ghinzani | Toleman | 21 | — | — | DNS |
| DNF | Huub Rothengatter | Osella | 22 | 26 | — | Engine |
| DNS | Pierluigi Martini | Minardi | 23 | — | — | DNS |
| DNF | Kenny Acheson | RAM | 24 | 2 | — | Clutch |
| DNF | Alan Jones | Lola | 25 | 6 | — | Engine |
| DNF | Philippe Alliot | RAM | 26 | 19 | — | Turbo |