September 9, 1990 Autodromo Nazionale Monza | Lap distance 5.800 km
| Pos | Points | No | Driver | Car | Engine | Tyres | Laps | Race Time | Delay | Qualifying | Fastest Lap | |||
| 1 | 9 | 27 | Ayrton Senna (BRA) | McLaren MP4-5B | Honda RA100E | Goodyear | 53 | 1:17'57.878 | 1 | 1'22.533 | 1 | 1'26.254 | (46) | |
| 2 | 6 | 1 | Alain Prost (FRA) | Ferrari F1-90-2 | Ferrari 037 | Goodyear | 53 | 1:18'03.932 | +6.054 | 2 | 1'22.935 | 2 | 1'26.376 | (42) |
| 3 | 4 | 28 | Gerhard Berger (AUT) | McLaren MP4-5B | Honda RA100E | Goodyear | 53 | 1:18'05.282 | +7.404 | 3 | 1'22.936 | 3 | 1'26.650 | (46) |
| 4 | 3 | 2 | Nigel Mansell (GBR) | Ferrari F1-90-2 | Ferrari 036 | Goodyear | 53 | 1:18'54.097 | +56.219 | 4 | 1'23.141 | 4 | 1'27.776 | (37) |
| 5 | 2 | 6 | Riccardo Patrese (ITA) | Williams FW13B | Renault RS2 | Goodyear | 53 | 1:19'23.152 | +1'25.274 | 7 | 1'24.253 | 7 | 1'28.608 | (40) |
| 6 | 1 | 3 | Satoru Nakajima (JPN) | Tyrrell 019 | Ford Cosworth DFR | Pirelli | 52 | 1:18'29.399 | +1 lap | 14 | 1'26.081 | 9 | 1'28.777 | (46) |
| 7 | 20 | Nelson Piquet (BRA) | Benetton B190 | Ford HB | Goodyear | 52 | 1:18'47.214 | +1 lap | 9 | 1'24.699 | 5 | 1'27.882 | (45) | |
| 8 | 19 | Alessandro Nannini (ITA) | Benetton B190 | Ford HB | Goodyear | 52 | 1:19'17.059 | +1 lap | 8 | 1'24.583 | 6 | 1'28.483 | (12) | |
| 9 | 10 | Alex Caffi (ITA) | Arrows A11B | Ford Cosworth DFR | Goodyear | 51 | 1:18'02.417 | +2 laps | 21 | 1'27.410 | 15 | 1'29.820 | (47) | |
| 10 | 22 | Andrea de Cesaris (ITA) | Dallara BMS-190 | Ford Cosworth DFR | Pirelli | 51 | 1:18'13.845 | +2 laps | 25 | 1'27.749 | 14 | 1'29.750 | (43) | |
| 11 | 25 | Nicola Larini (ITA) | Ligier JS33B | Ford Cosworth DFR | Goodyear | 51 | 1:18'45.345 | +2 laps | 26 | 1'27.937 | 21 | 1'30.640 | (36) | |
| 12 | 9 | Michele Alboreto (ITA) | Arrows A11B | Ford Cosworth DFR | Goodyear | 50 | 1:16'44.702 | +3 laps | 22 | 1'27.448 | 19 | 1'30.348 | (38) | |
| 13 | 26 | Philippe Alliot (FRA) | Ligier JS33B | Ford Cosworth DFR | Goodyear | 50 | 1:19'22.064 | +3 laps | 20 | 1'27.043 | 26 | 1'32.881 | (12) | |
| Not classified | ||||||||||||||
| -- | 18 | Yannick Dalmas (FRA) | AGS JH25 | Ford Cosworth DFR | Goodyear | 45 | 1:18'19.325 | 24 | 1'27.673 | 16 | 1'29.868 | (44) | ||
| Retirement | ||||||||||||||
| engine | 16 | Ivan Capelli (ITA) | Leyton House CG901 | Judd EV | Goodyear | 36 | 54'27.025 | 16 | 1'26.712 | 10 | 1'29.112 | (36) | ||
| electrical | 30 | Aguri Suzuki (JPN) | Lola 90 | Lamborghini 3512 | Goodyear | 36 | 54'40.003 | 18 | 1'26.962 | 11 | 1'29.138 | (28) | ||
| wheel bearing | 14 | Olivier Grouillard (FRA) | Osella FA1ME | Ford Cosworth DFR | Pirelli | 27 | 42'45.199 | 23 | 1'27.541 | 22 | 1'31.523 | (27) | ||
| engine | 15 | Mauricio Gugelmin (BRA) | Leyton House CG901 | Judd EV | Goodyear | 24 | 36'19.487 | 10 | 1'25.556 | 12 | 1'29.298 | (20) | ||
| engine | 8 | Stefano Modena (ITA) | Brabham BT59 | Judd EV | Pirelli | 21 | 32'47.657 | 17 | 1'26.950 | 25 | 1'32.025 | (9) | ||
| suspension | 5 | Thierry Boutsen (BEL) | Williams FW13B | Renault RS2 | Goodyear | 18 | 27'02.924 | 6 | 1'23.984 | 8 | 1'28.672 | (18) | ||
| clutch | 11 | Derek Warwick (GBR) | Team Lotus 102 | Lamborghini 3512 | Goodyear | 15 | 23'12.462 | 12 | 1'25.677 | 20 | 1'30.521 | (11) | ||
| spun off | 21 | Emanuele Pirro (ITA) | Dallara BMS-190 | Ford Cosworth DFR | Pirelli | 14 | 21'49.838 | 19 | 1'26.964 | 23 | 1'31.668 | (12) | ||
| engine | 12 | Martin Donnelly (GBR) | Team Lotus 102 | Lamborghini 3512 | Goodyear | 13 | 19'50.184 | 11 | 1'25.629 | 17 | 1'29.876 | (8) | ||
| clutch | 29 | Eric Bernard (FRA) | Lola 90 | Lamborghini 3512 | Goodyear | 10 | 15'21.034 | 13 | 1'25.927 | 18 | 1'29.949 | (10) | ||
| suspension | 23 | Pierluigi Martini (ITA) | Minardi M190 | Ford Cosworth DFR | Pirelli | 7 | 11'00.829 | 15 | 1'26.330 | 24 | 1'31.740 | (7) | ||
| spun off | 4 | Jean Alesi (FRA) | Tyrrell 019 | Ford Cosworth DFR | Pirelli | 4 | 6'06.351 | 5 | 1'23.526 | 13 | 1'29.386 | (4) | ||
| Not qualified | ||||||||||||||
| -- | 17 | Gabriele Tarquini (ITA) | AGS JH25 | Ford Cosworth DFR | Goodyear | 1'28.107 | ||||||||
| -- | 24 | Paolo Barilla (ITA) | Minardi M190 | Ford Cosworth DFR | Pirelli | 1'28.258 | ||||||||
| -- | 7 | David Brabham (AUS) | Brabham BT59 | Judd EV | Pirelli | 1'28.382 | ||||||||
| -- | 31 | Bertrand Gachot (FRA) | Coloni C3C | Ford Cosworth DFR | Goodyear | 1'28.952 | ||||||||
| Not pre-qualified | ||||||||||||||
| -- | 33 | Roberto Moreno (BRA) | Euro Brun ER-189B | Judd CV | Pirelli | 1'28.703 | ||||||||
| -- | 34 | Claudio Langes (ITA) | Euro Brun ER-189B | Judd CV | Pirelli | 1'35.061 | ||||||||
| -- | 39 | Bruno Giacomelli (ITA) | Life F190 | Life W12 | Goodyear | 1'55.244 | ||||||||
