September 10, 1989 Autodromo Nazionale Monza | Lap distance 5.800 km
| Pos | Points | No | Driver | Car | Engine | Tyres | Laps | Race Time | Delay | Qualifying | Fastest Lap | |||
| 1 | 9 | 2 | Alain Prost (FRA) | McLaren MP4-5 | Honda RA109E | Goodyear | 53 | 7.000000.550 | 4 | 5.000000.510 | 1 | 8.000000.107 | (43) | |
| 2 | 6 | 28 | Gerhard Berger (AUT) | Ferrari 640 | Ferrari 034 | Goodyear | 53 | 4.000000.876 | +7.000000.326 | 2 | 4.000000.734 | 4 | 8.000000.712 | (43) |
| 3 | 4 | 5 | Thierry Boutsen (BEL) | Williams FW12C | Renault RS01 | Goodyear | 53 | 2.000000.525 | +4.000000.975 | 6 | 6.000000.155 | 3 | 8.000000.245 | (43) |
| 4 | 3 | 6 | Riccardo Patrese (ITA) | Williams FW12C | Renault RS01 | Goodyear | 53 | 6.000000.272 | +8.000000.722 | 5 | 5.000000.545 | 6 | 8.000000.857 | (33) |
| 5 | 2 | 4 | Jean Alesi (FRA) | Tyrrell 018 | Ford Cosworth DFR | Goodyear | 52 | 1.000000.097 | +1 lap | 10 | 7.000000.399 | 10 | 0.000 | (32) |
| 6 | 1 | 7 | Martin Brundle (GBR) | Brabham BT58 | Judd CV | Pirelli | 52 | 6.000000.173 | +1 lap | 12 | 7.000000.627 | 9 | 0.000 | (32) |
| 7 | 23 | Pierluigi Martini (ITA) | Minardi M189 | Ford Cosworth DFR | Pirelli | 52 | 4.000000.089 | +1 lap | 15 | 7.000000.923 | 14 | 1.000000.468 | (37) | |
| 8 | 24 | Luis Perez-Sala (ESP) | Minardi M189 | Ford Cosworth DFR | Pirelli | 51 | 6.000000.571 | +2 laps | 26 | 9.000000.293 | 15 | 1.000000.535 | (41) | |
| 9 | 25 | René Arnoux (FRA) | Ligier JS33 | Ford Cosworth DFR | Goodyear | 51 | 9.000000.652 | +2 laps | 23 | 8.000000.685 | 22 | 2.000000.577 | (6) | |
| 10 | 12 | Satoru Nakajima (JPN) | Team Lotus 101 | Judd CV | Goodyear | 51 | 8.000000.800 | +2 laps | 19 | 8.000000.441 | 17 | 1.000000.931 | (42) | |
| 11 | 21 | Alex Caffi (ITA) | Dallara BMS-189 | Ford Cosworth DFR | Pirelli | 47 | 9.000000.334 | +6 laps | 20 | 8.000000.596 | 12 | 1.000000.112 | (42) | |
| Retirement | ||||||||||||||
| engine | 22 | Andrea de Cesaris (ITA) | Dallara BMS-189 | Ford Cosworth DFR | Pirelli | 45 | 5.000000.092 | 17 | 8.000000.129 | 13 | 1.000000.138 | (38) | ||
| engine | 1 | Ayrton Senna (BRA) | McLaren MP4-5 | Honda RA109E | Goodyear | 44 | 4.000000.414 | 1 | 3.000000.720 | 2 | 8.000000.179 | (43) | ||
| gearbox | 27 | Nigel Mansell (GBR) | Ferrari 640 | Ferrari 034 | Goodyear | 41 | 4.000000.200 | 3 | 4.000000.739 | 5 | 8.000000.820 | (33) | ||
| radiator | 37 | Bertrand Gachot (FRA) | Onyx ORE-1 | Ford Cosworth DFR | Goodyear | 38 | 5.000000.331 | 22 | 8.000000.684 | 23 | 2.000000.691 | (15) | ||
| brakes | 19 | Alessandro Nannini (ITA) | Benetton B189 | Ford HB | Goodyear | 33 | 9.000000.871 | 8 | 7.000000.052 | 7 | 9.000000.726 | (27) | ||
| engine | 16 | Ivan Capelli (ITA) | March CG891 | Judd EV | Goodyear | 30 | 3.000000.348 | 18 | 8.000000.430 | 8 | 0.000 | (9) | ||
| exhaust | 26 | Olivier Grouillard (FRA) | Ligier JS33 | Ford Cosworth DFR | Goodyear | 30 | 8.000000.696 | 21 | 8.000000.669 | 16 | 1.000000.639 | (29) | ||
| spun off | 11 | Nelson Piquet (BRA) | Team Lotus 101 | Judd CV | Goodyear | 23 | 5.000000.397 | 11 | 7.000000.508 | 11 | 0.000 | (8) | ||
| engine | 3 | Jonathan Palmer (GBR) | Tyrrell 018 | Ford Cosworth DFR | Goodyear | 18 | 4.000000.276 | 14 | 7.000000.822 | 20 | 2.000000.474 | (12) | ||
| fuel system | 9 | Derek Warwick (GBR) | Arrows A11 | Ford Cosworth DFR | Goodyear | 18 | 9.000000.681 | 16 | 8.000000.092 | 18 | 2.000000.302 | (12) | ||
| gearbox | 17 | Nicola Larini (ITA) | Osella FA1M89 | Ford Cosworth DFR | Pirelli | 16 | 2.000000.209 | 24 | 8.000000.773 | 19 | 2.000000.416 | (7) | ||
| electrical | 29 | Michele Alboreto (ITA) | Lola LC89 | Lamborghini 3512 | Goodyear | 14 | 0.000 | 13 | 7.000000.803 | 21 | 2.000000.548 | (13) | ||
| throttle | 15 | Mauricio Gugelmin (BRA) | March CG891 | Judd EV | Goodyear | 14 | 7.000000.721 | 25 | 8.000000.923 | 24 | 3.000000.571 | (9) | ||
| spun off | 30 | Philippe Alliot (FRA) | Lola LC89 | Lamborghini 3512 | Goodyear | 1 | 4.000000.035 | 7 | 6.000000.985 | 25 | 4.000000.035 | (1) | ||
| transmission | 20 | Emanuele Pirro (ITA) | Benetton B189 | Ford HB | Goodyear | 0 | 9 | 7.000000.397 | ||||||
| Disqualified | ||||||||||||||
| -- | 8 | Stefano Modena (ITA) | Brabham BT58 | Judd CV | Pirelli | 0 | 8.000000.377 | |||||||
| Not qualified | ||||||||||||||
| -- | 10 | Eddie Cheever (USA) | Arrows A11 | Ford Cosworth DFR | Goodyear | 9.000000.554 | ||||||||
| -- | 38 | Christian Danner (GER) | Rial ARC-02 | Ford Cosworth DFR | Goodyear | 1.000000.830 | ||||||||
| -- | 39 | Pierre-Henri Raphanel (FRA) | Rial ARC-02 | Ford Cosworth DFR | Goodyear | 6.000000.295 | ||||||||
| Not pre-qualified | ||||||||||||||
| -- | 36 | Stefan Johansson (SWE) | Onyx ORE-1 | Ford Cosworth DFR | Goodyear | 8.000000.588 | ||||||||
| -- | 40 | Gabriele Tarquini (ITA) | AGS JH24 | Ford Cosworth DFR | Goodyear | 8.000000.813 | ||||||||
| -- | 31 | Roberto Moreno (BRA) | Coloni C3 | Ford Cosworth DFR | Pirelli | 8.000000.864 | ||||||||
| -- | 18 | Piercarlo Ghinzani (ITA) | Osella FA1M89 | Ford Cosworth DFR | Pirelli | 8.000000.884 | ||||||||
| -- | 34 | Bernd Schneider (GER) | Zakspeed 891 | Yamaha OX88 | Pirelli | 9.000000.472 | ||||||||
| -- | 35 | Aguri Suzuki (JPN) | Zakspeed 891 | Yamaha OX88 | Pirelli | 0.000 | ||||||||
| -- | 33 | Oscar Larrauri (ARG) | Euro Brun ER-189 | Judd CV | Pirelli | 0.000 | ||||||||
| -- | 41 | Yannick Dalmas (FRA) | AGS JH24 | Ford Cosworth DFR | Goodyear | 0.000 | ||||||||
| -- | 32 | Enrico Bertaggia (ITA) | Coloni C3 | Ford Cosworth DFR | Pirelli | 1.000000.606 | ||||||||
