| Circuit | Autodromo Nazionale di Monza |
|---|---|
| Date | 1990-09-09 |
| Round | 12 |
| Pos | Driver | Team | Grid | Laps | Time/Status | Fastest Lap | Pts |
|---|---|---|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren | 1 | 53 | 1:17:57.878 | — | 9 |
| 2 | Alain Prost | Ferrari | 2 | 53 | +6.054 | — | 6 |
| 3 | Gerhard Berger | McLaren | 3 | 53 | +7.404 | — | 4 |
| 4 | Nigel Mansell | Ferrari | 4 | 53 | +56.219 | — | 3 |
| 5 | Riccardo Patrese | Williams | 7 | 52 | +1:25.274 | — | 2 |
| 6 | Satoru Nakajima | Tyrrell | 14 | 52 | +1 Lap | — | 1 |
| 7 | Nelson Piquet | Benetton | 9 | 52 | +1 Lap | — | 0 |
| 8 | Alessandro Nannini | Benetton | 8 | 52 | +1 Lap | — | 0 |
| 9 | Alex Caffi | Arrows | 21 | 51 | +2 Laps | — | 0 |
| 10 | Andrea de Cesaris | Dallara | 25 | 51 | +2 Laps | — | 0 |
| 11 | Nicola Larini | Ligier | 26 | 51 | +2 Laps | — | 0 |
| 12 | Michele Alboreto | Arrows | 22 | 50 | Spun off | — | 0 |
| 13 | Philippe Alliot | Ligier | 20 | 50 | +3 Laps | — | 0 |
| 14 | Yannick Dalmas | AGS | 24 | 45 | Not classified | — | 0 |
| 15 | Ivan Capelli | Leyton House | 16 | 36 | Engine | — | 0 |
| 16 | Aguri Suzuki | Larrousse | 18 | 36 | Electrical | — | 0 |
| 17 | Olivier Grouillard | Osella | 23 | 27 | Wheel bearing | — | 0 |
| 18 | Maurício Gugelmin | Leyton House | 10 | 24 | Engine | — | 0 |
| 19 | Stefano Modena | Brabham | 17 | 21 | Engine | — | 0 |
| 20 | Thierry Boutsen | Williams | 6 | 18 | Suspension | — | 0 |
| 21 | Derek Warwick | Team Lotus | 12 | 15 | Clutch | — | 0 |
| 22 | Emanuele Pirro | Dallara | 19 | 14 | Spun off | — | 0 |
| 23 | Martin Donnelly | Team Lotus | 11 | 13 | Engine | — | 0 |
| 24 | Éric Bernard | Larrousse | 13 | 10 | Clutch | — | 0 |
| 25 | Pierluigi Martini | Minardi | 15 | 7 | Suspension | — | 0 |
| 26 | Jean Alesi | Tyrrell | 5 | 4 | Spun off | — | 0 |