Automobil-Weltmeisterschaft
Saison | 4. Gran Premio di San Marino Imola (Autodromo Dino Ferrari) |
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| Schnellste Rennrunde | ||||||||
| Pos | Nr | Fahrer | Nat | Fahrzeug | Team | in Rnd | Zeit | km/h |
| 1 | 1 | Nelson Piquet |  |
Brabham BMW | MRD International | 48 | 1:33.275 | 194.522 |
| 2 | 28 | René Arnoux |  |
Ferrari | Scuderia Ferrari SpA SEFAC | 44 | 1:33.373 | 194.317 |
| 3 | 7 | Alain Prost | |
McLaren TAG Porsche | Marlboro McLaren International | 50 | 1:33.580 | 193.888 |
| 4 | 26 | Andrea de Cesaris |  |
Ligier Renault | Ligier Loto | 55 | 1:34.415 | 192.173 |
| 5 | 11 | Elio de Angelis | |
Lotus Renault | John Player Team Lotus | 54 | 1:34.525 | 191.949 |
| 6 | 8 | Niki Lauda |  |
McLaren TAG Porsche | Marlboro McLaren International | 11 | 1:34.686 | 191.623 |
| 7 | 2 | Teo Fabi | |
Brabham BMW | MRD International | 44 | 1:35.534 | 189.922 |
| 8 | 23 | Eddie Cheever |  |
Alfa Romeo | Benetton Team Alfa Romeo | 27 | 1:35.849 | 189.298 |
| 9 | 16 | Derek Warwick |  |
Renault | Equipe Renault Elf | 12 | 1:36.000 | 189.000 |
| 10 | 27 | Michele Alboreto | |
Ferrari | Scuderia Ferrari SpA SEFAC | 20 | 1:36.053 | 188.896 |
| 11 | 4 | Stefan Bellof |  |
Tyrrell Ford Cosworth | Tyrrell Racing Organisation | 43 | 1:36.095 | 188.813 |
| 12 | 3 | Martin Brundle | |
Tyrrell Ford Cosworth | Tyrrell Racing Organisation | 38 | 1:37.013 | 187.026 |
| 13 | 17 | Marc Surer |  |
Arrows BMW | Barclay Nordica Arrows BMW | 25 | 1:37.089 | 186.880 |
| 14 | 14 | Manfred Winkelhock | |
ATS BMW | Team ATS | 11 | 1:37.319 | 186.438 |
| 15 | 10 | Jonathan Palmer | |
RAM Hart | Skoal Bandit Formula 1 Team | 44 | 1:37.472 | 186.146 |
| 16 | 9 | Philippe Alliot | |
RAM Hart | Skoal Bandit Formula 1 Team | 47 | 1:38.199 | 184.768 |
| 17 | 20 | Johnny Cecotto |  |
Toleman Hart | Toleman Group Motorsport | 52 | 1:38.208 | 184.751 |
| 18 | 18 | Thierry Boutsen |  |
Arrows Ford Cosworth | Barclay Nordica Arrows BMW | 52 | 1:38.430 | 184.334 |
| 19 | 5 | Jacques Laffite | |
Williams Honda | Williams Grand Prix Engineering | 11 | 1:38.517 | 184.171 |
| 20 | 22 | Riccardo Patrese | |
Alfa Romeo | Benetton Team Alfa Romeo | 3 | 1:39.389 | 182.555 |
| 21 | 21 | Mauro Baldi | |
Spirit Hart | Spirit Racing | 46 | 1:39.404 | 182.528 |
| 22 | 6 | Keke Rosberg |  |
Williams Honda | Williams Grand Prix Engineering | 2 | 1:39.769 | 181.860 |
| 23 | 30 | Jo Gartner | |
Osella Alfa Romeo | Osella Squadra Corse | 41 | 1:40.949 | 179.734 |
| 24 | 12 | Nigel Mansell | |
Lotus Renault | John Player Team Lotus | 2 | 1:41.622 | 178.544 |