| «1989-12» | Italy Grand Prix - LX Gran Premio d'Italia |
| 1989-09-10 | Monza - Autodromo Nazionale di Monza - 53 laps × 5.8 km : 307.4 km |
| Pos | Car | Driver | Constructor | Time | Speed | Lap | Gap |
|---|---|---|---|---|---|---|---|
| 1 | 2 | Alain Prost | McLaren • Honda | 01:28.107 | 236.985 km/h | 43 | |
| 2 | 1 | Ayrton Senna | McLaren • Honda | 01:28.179 | 236.791 km/h | 43 | +00.072 |
| 3 | 5 | Thierry Boutsen | Williams • Renault | 01:28.245 | 236.614 km/h | 43 | +00.138 |
| 4 | 28 | Gerhard Berger | Ferrari | 01:28.712 | 235.368 km/h | 43 | +00.605 |
| 5 | 27 | Nigel Mansell | Ferrari | 01:28.820 | 235.082 km/h | 33 | +00.713 |
| 6 | 6 | Riccardo Patrese | Williams • Renault | 01:28.857 | 234.984 km/h | 33 | +00.750 |
| 7 | 19 | Alessandro Nannini | Benetton • Ford Cosworth | 01:29.726 | 232.708 km/h | 27 | +01.619 |
| 8 | 16 | Ivan Capelli | March • Judd | 01:30.236 | 231.393 km/h | 9 | +02.129 |
| 9 | 7 | Martin Brundle | Brabham • Judd | 01:30.437 | 230.879 km/h | 32 | +02.330 |
| 10 | 4 | Jean Alesi | Tyrrell • Ford Cosworth | 01:30.588 | 230.494 km/h | 32 | +02.481 |
| 11 | 11 | Nelson Piquet | Lotus • Judd | 01:30.976 | 229.511 km/h | 8 | +02.869 |
| 12 | 21 | Alex Caffi | Dallara • Ford Cosworth | 01:31.112 | 229.168 km/h | 42 | +03.005 |
| 13 | 22 | Andrea de Cesaris | Dallara • Ford Cosworth | 01:31.138 | 229.103 km/h | 38 | +03.031 |
| 14 | 23 | Pierluigi Martini | Minardi • Ford Cosworth | 01:31.468 | 228.277 km/h | 37 | +03.361 |
| 15 | 24 | Luis Perez-Sala | Minardi • Ford Cosworth | 01:31.535 | 228.109 km/h | 41 | +03.428 |
| 16 | 26 | Olivier Grouillard | Ligier • Ford Cosworth | 01:31.639 | 227.851 km/h | 29 | +03.532 |
| 17 | 12 | Satoru Nakajima | Lotus • Judd | 01:31.931 | 227.127 km/h | 42 | +03.824 |
| 18 | 9 | Derek Warwick | Arrows • Ford Cosworth | 01:32.302 | 226.214 km/h | 12 | +04.195 |
| 19 | 17 | Nicola Larini | Osella • Ford Cosworth | 01:32.416 | 225.935 km/h | 7 | +04.309 |
| 20 | 3 | Jonathan Palmer | Tyrrell • Ford Cosworth | 01:32.474 | 225.793 km/h | 12 | +04.367 |
| 21 | 29 | Michele Alboreto | Lola • Lamborghini | 01:32.548 | 225.613 km/h | 13 | +04.441 |
| 22 | 25 | René Arnoux | Ligier • Ford Cosworth | 01:32.577 | 225.542 km/h | 6 | +04.470 |
| 23 | 37 | Bertrand Gachot | Onyx • Ford Cosworth | 01:32.691 | 225.265 km/h | 15 | +04.584 |
| 24 | 15 | Mauricio Gugelmin | March • Judd | 01:33.571 | 223.146 km/h | 9 | +05.464 |
| 25 | 30 | Philippe Alliot | Lola • Lamborghini | 01:44.035 | 200.702 km/h | 1 | +15.928 |