Autodromo Nazionale di Monza · 10 September 1989
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | McLaren Prost 9 + Senna 0 | Prost 9 + Senna 0 | 9 | |
| 2 | Williams Boutsen 4 + Patrese 3 | Boutsen 4 + Patrese 3 | 7 | |
| 3 | Ferrari Berger 6 + Mansell 0 | Berger 6 + Mansell 0 | 6 | |
| 4 | Tyrrell Alesi 2 + Palmer 0 | Alesi 2 + Palmer 0 | 2 | |
| 5 | Brabham Brundle 1 + Modena 0 | Brundle 1 + Modena 0 | 1 | |
| 6 | Minardi Martini 0 + Pérez-Sala 0 | Martini 0 + Pérez-Sala 0 | 0 | |
| 7 | Ligier Arnoux 0 + Grouillard 0 | Arnoux 0 + Grouillard 0 | 0 | |
| 8 | Team Lotus Nakajima 0 + Piquet 0 | Nakajima 0 + Piquet 0 | 0 | |
| 9 | Dallara Caffi 0 + Cesaris 0 | Caffi 0 + Cesaris 0 | 0 | |
| 10 | Onyx Gachot 0 | Gachot 0 | 0 | |
| 11 | Benetton Nannini 0 + Pirro 0 | Nannini 0 + Pirro 0 | 0 | |
| 12 | March Capelli 0 + Gugelmin 0 | Capelli 0 + Gugelmin 0 | 0 | |
| 13 | Arrows Warwick 0 | Warwick 0 | 0 | |
| 14 | Osella Larini 0 | Larini 0 | 0 | |
| 15 | Larrousse Alboreto 0 + Alliot 0 | Alboreto 0 + Alliot 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Alain Prost McLaren | McLaren | 1:19:27.550 | 53 | — | 9 | |
| 2 | Gerhard Berger Ferrari | Ferrari | +7.326s | 53 | — | 6 | |
| 3 | Thierry Boutsen Williams | Williams | +14.975s | 53 | — | 4 | |
| 4 | Riccardo Patrese Williams | Williams | +38.722s | 53 | — | 3 | |
| 5 | Jean Alesi Tyrrell | Tyrrell | +1 Lap | 52 | — | 2 | |
| 6 | Martin Brundle Brabham | Brabham | +1 Lap | 52 | — | 1 | |
| 7 | Pierluigi Martini Minardi | Minardi | +1 Lap | 52 | — | — | |
| 8 | Luis Pérez-Sala Minardi | Minardi | +2 Laps | 51 | — | — | |
| 9 | René Arnoux Ligier | Ligier | +2 Laps | 51 | — | — | |
| 10 | Satoru Nakajima Team Lotus | Team Lotus | DNF Suspension | 51 | — | — | |
| 11 | Alex Caffi Dallara | Dallara | DNF Engine | 47 | — | — | |
| 12 | Andrea de Cesaris Dallara | Dallara | DNF Engine | 45 | — | — | |
| 13 | Ayrton Senna McLaren | McLaren | DNF Engine | 44 | — | — | |
| 14 | Nigel Mansell Ferrari | Ferrari | DNF Gearbox | 41 | — | — | |
| 15 | Bertrand Gachot Onyx | Onyx | DNF Radiator | 38 | — | — | |
| 16 | Alessandro Nannini Benetton | Benetton | DNF Brakes | 33 | — | — | |
| 17 | Ivan Capelli March | March | DNF Engine | 30 | — | — | |
| 18 | Olivier Grouillard Ligier | Ligier | DNF Exhaust | 30 | — | — | |
| 19 | Nelson Piquet Team Lotus | Team Lotus | DNF Spun off | 23 | — | — | |
| 20 | Jonathan Palmer Tyrrell | Tyrrell | DNF Engine | 18 | — | — | |
| 21 | Derek Warwick Arrows | Arrows | DNF Fuel system | 18 | — | — | |
| 22 | Nicola Larini Osella | Osella | DNF Gearbox | 16 | — | — | |
| 23 | Michele Alboreto Larrousse | Larrousse | DNF Electrical | 14 | — | — | |
| 24 | Maurício Gugelmin March | March | DNF Throttle | 14 | — | — | |
| 25 | Philippe Alliot Larrousse | Larrousse | DNF Spun off | 1 | — | — | |
| 26 | Emanuele Pirro Benetton | Benetton | DNF Transmission | 0 | — | — | |
| 27 | Stefano Modena Brabham | Brabham | DSQ | 0 | — | — |