Autodromo Enzo e Dino Ferrari · 3 May 1987
Nigel Mansell won the 1987 San Marino Grand Prix for Williams from 2nd on the grid, 27.545s ahead of Ayrton Senna. Philippe Streiff gained the most places, from 20th on the grid to 8th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Williams Mansell 9 + Piquet 0 | Mansell 9 + Piquet 0 | 9 | |
| 2 | Team Lotus Senna 6 + Nakajima 1 | Senna 6 + Nakajima 1 | 7 | |
| 3 | Ferrari Alboreto 4 + Berger 0 | Alboreto 4 + Berger 0 | 4 | |
| 4 | McLaren Johansson 3 + Prost 0 | Johansson 3 + Prost 0 | 3 | |
| 5 | Zakspeed Brundle 2 + Danner 0 | Brundle 2 + Danner 0 | 2 | |
| 6 | Tyrrell Streiff 0 + Palmer 0 | Streiff 0 + Palmer 0 | 0 | |
| 7 | Brabham Patrese 0 + de Cesaris 0 | Patrese 0 + de Cesaris 0 | 0 | |
| 8 | Lola Alliot 0 | Alliot 0 | 0 | |
| 9 | Arrows Warwick 0 + Cheever 0 | Warwick 0 + Cheever 0 | 0 | |
| 10 | Osella Caffi 0 + Tarquini 0 | Caffi 0 + Tarquini 0 | 0 | |
| 11 | AGS Fabre 0 | Fabre 0 | 0 | |
| 12 | Benetton Fabi 0 + Boutsen 0 | Fabi 0 + Boutsen 0 | 0 | |
| 13 | Minardi Campos 0 + Nannini 0 | Campos 0 + Nannini 0 | 0 | |
| 14 | March Capelli 0 | Capelli 0 | 0 | |
| 15 | Ligier Ghinzani 0 + Arnoux 0 | Ghinzani 0 + Arnoux 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Nigel Mansell Williams | Williams | 1:31:24.076 | 59 | — | 9 | |
| 2 | Ayrton Senna Team Lotus | Team Lotus | +27.545s | 59 | — | 6 | |
| 3 | Michele Alboreto Ferrari | Ferrari | +39.144s | 59 | — | 4 | |
| 4 | Stefan Johansson McLaren | McLaren | +1:00.588 | 59 | — | 3 | |
| 5 | Martin Brundle Zakspeed | Zakspeed | +2 Laps | 57 | — | 2 | |
| 6 | Satoru Nakajima Team Lotus | Team Lotus | DNF Out of fuel | 57 | — | 1 | |
| 7 | Christian Danner Zakspeed | Zakspeed | +2 Laps | 57 | — | — | |
| 8 | Philippe Streiff Tyrrell | Tyrrell | +2 Laps | 57 | — | — | |
| 9 | Riccardo Patrese Brabham | Brabham | +2 Laps | 57 | — | — | |
| 10 | Philippe Alliot Lola | Lola | +3 Laps | 56 | — | — | |
| 11 | Derek Warwick Arrows | Arrows | DNF Out of fuel | 55 | — | — | |
| 12 | Alex Caffi Osella | Osella | DNF Out of fuel | 54 | — | — | |
| 13 | Pascal Fabre AGS | AGS | +6 Laps | 53 | — | — | |
| DNF | Teo Fabi Benetton | Benetton | DNF Turbo | 51 | — | — | |
| DNF | Thierry Boutsen Benetton | Benetton | DNF Engine | 48 | — | — | |
| DNF | Eddie Cheever Arrows | Arrows | DNF Clutch | 48 | — | — | |
| DNF | Jonathan Palmer Tyrrell | Tyrrell | DNF Clutch | 48 | — | — | |
| DNF | Andrea de Cesaris Brabham | Brabham | DNF Spun off | 39 | — | — | |
| DNF | Adrián Campos Minardi | Minardi | DNF Gearbox | 30 | — | — | |
| DNF | Gabriele Tarquini Osella | Osella | DNF Gearbox | 26 | — | — | |
| DNF | Alessandro Nannini Minardi | Minardi | DNF Turbo | 25 | — | — | |
| DNF | Ivan Capelli March | March | DNF Engine | 18 | — | — | |
| DNF | Gerhard Berger Ferrari | Ferrari | DNF Electrical | 16 | — | — | |
| DNF | Alain Prost McLaren | McLaren | DNF Electrical | 14 | — | — | |
| DNF | Piercarlo Ghinzani Ligier | Ligier | DNF Handling | 7 | — | — | |
| DNS | Nelson Piquet Williams | Williams | DNS Injury | 0 | — | — | |
| DNS | René Arnoux Ligier | Ligier | DNS Suspension | 0 | — | — |