| «1986-13» | Italy Grand Prix - LVII Gran Premio d'Italia |
| 1986-09-07 | Monza - Autodromo Nazionale di Monza - 51 laps × 5.8 km : 295.8 km |
| Pos | Grid | Car | Driver | Constructor | Laps | Time / Gap | Interval | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 6 | 6 | Nelson Piquet | Williams • Honda | 51 | 1:17:42.889 | 228.373 km/h | 9 |
| 2 | 3 | 5 | Nigel Mansell | Williams • Honda | 51 | +09.828 | +09.828 | 6 |
| 3 | 12 | 28 | Stefan Johansson | Ferrari | 51 | +22.915 | +13.087 | 4 |
| 4 | 8 | 2 | Keke Rosberg | McLaren • TAG Porsche | 51 | +53.809 | +30.894 | 3 |
| 5 | 4 | 20 | Gerhard Berger | Benetton • BMW | 50 | out of fuel | 2 | |
| 6 | 18 | 15 | Alan Jones | Lola • Ford Cosworth | 49 | +2 laps | 1 | |
| 7 | 13 | 18 | Thierry Boutsen | Arrows • BMW | 49 | +2 laps | ||
| 8 | 16 | 17 | Christian Danner | Arrows • BMW | 49 | +2 laps | ||
| 9 | 23 | 4 | Philippe Streiff | Tyrrell • Renault | 49 | +2 laps | ||
| 10 | 20 | 3 | Martin Brundle | Tyrrell • Renault | 49 | +2 laps | ||
| 11 | 27 | 22 | Alex Caffi | Osella • Alfa Romeo | 45 | +6 laps | ||
| 1 | 19 | Teo Fabi | Benetton • BMW | 44 | puncture | |||
| 9 | 27 | Michele Alboreto | Ferrari | 33 | engine | |||
| 21 | 23 | Andrea de Cesaris | Minardi • Motori Moderni | 33 | engine | |||
| 25 | 31 | Ivan Capelli | AGS • Motori Moderni | 31 | puncture | |||
| 11 | 25 | René Arnoux | Ligier • Renault | 30 | gearbox | |||
| DSQ | 2 | 1 | Alain Prost | McLaren • TAG Porsche | 27 | changed car | ||
| 22 | 14 | Jonathan Palmer | Zakspeed | 27 | alternator | |||
| 14 | 26 | Philippe Alliot | Ligier • Renault | 22 | engine | |||
| 17 | 11 | Johnny Dumfries | Lotus • Renault | 18 | gearbox | |||
| 7 | 8 | Derek Warwick | Brabham • BMW | 16 | spin | |||
| 19 | 24 | Alessandro Nannini | Minardi • Motori Moderni | 15 | alternator | |||
| 26 | 21 | Piercarlo Ghinzani | Osella • Alfa Romeo | 12 | spin | |||
| 15 | 16 | Patrick Tambay | Lola • Ford Cosworth | 2 | collision | |||
| 10 | 7 | Riccardo Patrese | Brabham • BMW | 2 | collision | |||
| 24 | 29 | Huub Rothengatter | Zakspeed | 1 | engine | |||
| 5 | 12 | Ayrton Senna | Lotus • Renault | 0 | transmission |
Fastest lap - 01:28.099 - 237.006 km/h - Teo Fabi (lap 35)