Autodromo Nazionale di Monza · 11 September 1983
Nelson Piquet won the 1983 Italian Grand Prix for Brabham from 4th on the grid, 10.212s ahead of René Arnoux. Johnny Cecotto gained the most places, from 26th on the grid to 12th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Brabham Piquet 9 + Patrese 0 | Piquet 9 + Patrese 0 | 9 | |
| 2 | Ferrari Arnoux 6 + Tambay 3 | Arnoux 6 + Tambay 3 | 9 | |
| 3 | Renault Cheever 4 + Prost 0 | Cheever 4 + Prost 0 | 4 | |
| 4 | Team Lotus de Angelis 2 + Mansell 0 | de Angelis 2 + Mansell 0 | 2 | |
| 5 | Toleman Warwick 1 + Giacomelli 0 | Warwick 1 + Giacomelli 0 | 1 | |
| 6 | Ligier Jarier 0 | Jarier 0 | 0 | |
| 7 | Arrows Surer 0 + Boutsen 0 | Surer 0 + Boutsen 0 | 0 | |
| 8 | Williams Rosberg 0 | Rosberg 0 | 0 | |
| 9 | Theodore Cecotto 0 + Guerrero 0 | Cecotto 0 + Guerrero 0 | 0 | |
| 10 | Osella Fabi 0 + Ghinzani 0 | Fabi 0 + Ghinzani 0 | 0 | |
| 11 | Tyrrell Sullivan 0 + Alboreto 0 | Sullivan 0 + Alboreto 0 | 0 | |
| 12 | ATS Winkelhock 0 | Winkelhock 0 | 0 | |
| 13 | McLaren Lauda 0 + Watson 0 | Lauda 0 + Watson 0 | 0 | |
| 14 | Alfa Romeo Baldi 0 + de Cesaris 0 | Baldi 0 + de Cesaris 0 | 0 | |
| 15 | Spirit Johansson 0 | Johansson 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Nelson Piquet Brabham | Brabham | 1:23:10.880 | 52 | — | 9 | |
| 2 | René Arnoux Ferrari | Ferrari | +10.212s | 52 | — | 6 | |
| 3 | Eddie Cheever Renault | Renault | +18.612s | 52 | — | 4 | |
| 4 | Patrick Tambay Ferrari | Ferrari | +29.023s | 52 | — | 3 | |
| 5 | Elio de Angelis Team Lotus | Team Lotus | +53.680s | 52 | — | 2 | |
| 6 | Derek Warwick Toleman | Toleman | +1:13.348 | 52 | — | 1 | |
| 7 | Bruno Giacomelli Toleman | Toleman | +1:33.922 | 52 | — | — | |
| 8 | Nigel Mansell Team Lotus | Team Lotus | +1:36.035 | 52 | — | — | |
| 9 | Jean-Pierre Jarier Ligier | Ligier | +1 Lap | 51 | — | — | |
| 10 | Marc Surer Arrows | Arrows | +1 Lap | 51 | — | — | |
| 11 | Keke Rosberg Williams | Williams | +1 Lap | 51 | — | — | |
| 12 | Johnny Cecotto Theodore | Theodore | +2 Laps | 50 | — | — | |
| 13 | Roberto Guerrero Theodore | Theodore | +2 Laps | 50 | — | — | |
| DNF | Corrado Fabi Osella | Osella | DNF Engine | 45 | — | — | |
| DNF | Danny Sullivan Tyrrell | Tyrrell | DNF Fuel system | 44 | — | — | |
| DNF | Thierry Boutsen Arrows | Arrows | DNF Engine | 41 | — | — | |
| DNF | Manfred Winkelhock ATS | ATS | DNF Exhaust | 35 | — | — | |
| DNF | Michele Alboreto Tyrrell | Tyrrell | DNF Clutch | 28 | — | — | |
| DNF | Alain Prost Renault | Renault | DNF Turbo | 26 | — | — | |
| DNF | Niki Lauda McLaren | McLaren | DNF Electrical | 24 | — | — | |
| DNF | John Watson McLaren | McLaren | DNF Electrical | 13 | — | — | |
| DNF | Piercarlo Ghinzani Osella | Osella | DNF Gearbox | 10 | — | — | |
| DNF | Mauro Baldi Alfa Romeo | Alfa Romeo | DNF Turbo | 4 | — | — | |
| DNF | Stefan Johansson Spirit | Spirit | DNF Distributor | 4 | — | — | |
| DNF | Riccardo Patrese Brabham | Brabham | DNF Engine | 2 | — | — | |
| DNF | Andrea de Cesaris Alfa Romeo | Alfa Romeo | DNF Collision | 2 | — | — |