Automobil-Weltmeisterschaft
Saison | 4. Gran Premio di San Marino Imola (Autodromo Dino Ferrari) |
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| Qualifikation | ||||||||
| Pos | Nr | Fahrer | Nat | Chassis | Motor | Zeit | Abstand | km/h |
| 1 | 1 | Nelson Piquet |  |
Brabham | BMW | 1:28.517 | 204.978 | |
| 2 | 7 | Alain Prost |  |
McLaren | TAG Porsche | 1:28.628 | + 0.111 | 204.721 |
| 3 | 6 | Keke Rosberg |  |
Williams | Honda | 1:29.418 | + 0.901 | 202.912 |
| 4 | 16 | Derek Warwick |  |
Renault | Renault | 1:29.682 | + 1.165 | 202.315 |
| 5 | 8 | Niki Lauda |  |
McLaren | TAG Porsche | 1:30.325 | + 1.808 | 200.875 |
| 6 | 28 | René Arnoux | |
Ferrari | Ferrari | 1:30.411 | + 1.894 | 200.684 |
| 7 | 14 | Manfred Winkelhock |  |
ATS | BMW | 1:30.723 | + 2.206 | 199.993 |
| 8 | 23 | Eddie Cheever |  |
Alfa Romeo | Alfa Romeo | 1:30.843 | + 2.326 | 199.729 |
| 9 | 2 | Teo Fabi |  |
Brabham | BMW | 1:30.950 | + 2.433 | 199.494 |
| 10 | 22 | Riccardo Patrese | |
Alfa Romeo | Alfa Romeo | 1:31.163 | + 2.646 | 199.028 |
| 11 | 11 | Elio de Angelis | |
Lotus | Renault | 1:31.173 | + 2.656 | 199.006 |
| 12 | 26 | Andrea de Cesaris | |
Ligier | Renault | 1:31.256 | + 2.739 | 198.825 |
| 13 | 27 | Michele Alboreto | |
Ferrari | Ferrari | 1:31.282 | + 2.765 | 198.769 |
| 14 | 15 | Patrick Tambay | |
Renault | Renault | 1:31.663 | + 3.146 | 197.942 |
| 15 | 5 | Jacques Laffite | |
Williams | Honda | 1:32.600 | + 4.083 | 195.940 |
| 16 | 17 | Marc Surer |  |
Arrows | BMW | 1:33.063 | + 4.546 | 194.965 |
| 17 | 25 | François Hesnault | |
Ligier | Renault | 1:33.186 | + 4.669 | 194.707 |
| 18 | 12 | Nigel Mansell | |
Lotus | Renault | 1:34.477 | + 5.960 | 192.047 |
| 19 | 20 | Johnny Cecotto |  |
Toleman | Hart | 1:35.568 | + 7.051 | 189.854 |
| 20 | 18 | Thierry Boutsen |  |
Arrows | Ford Cosworth | 1:36.018 | + 7.501 | 188.965 |
| 21 | 4 | Stefan Bellof | |
Tyrrell | Ford Cosworth | 1:36.059 | + 7.542 | 188.884 |
| 22 | 3 | Martin Brundle | |
Tyrrell | Ford Cosworth | 1:36.531 | + 8.014 | 187.960 |
| 23 | 9 | Philippe Alliot | |
RAM | Hart | 1:36.733 | + 8.216 | 187.568 |
| 24 | 21 | Mauro Baldi | |
Spirit | Hart | 1:36.916 | + 8.399 | 187.214 |
| 25 | 10 | Jonathan Palmer | |
RAM | Hart | 1:37.262 | + 8.745 | 186.548 |
| 26 | 30 | Jo Gartner | |
Osella | Alfa Romeo | 1:38.948 | + 10.431 | 183.369 |