| «1984-04» | San Marino Grand Prix - IV Gran Premio di San Marino |
| 1984-05-06 | Imola - Autodromo Internazionale Enzo e Dino Ferrari - 60 laps × 5.04 km : 302.4 km |
| Pos | Grid | Car | Driver | Constructor | Q1 | Q2 | Best | Gap | Interval |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | Nelson Piquet | Brabham • BMW | 01:35.493 | 01:28.517 | 01:28.517 | 204.978 km/h | |
| 2 | 2 | 7 | Alain Prost | McLaren • TAG Porsche | 01:35.687 | 01:28.628 | 01:28.628 | +00.111 (+0.125%) | +00.111 |
| 3 | 3 | 6 | Keke Rosberg | Williams • Honda | 01:37.024 | 01:29.418 | 01:29.418 | +00.901 (+1.018%) | +00.790 |
| 4 | 4 | 16 | Derek Warwick | Renault | 01:36.706 | 01:29.682 | 01:29.682 | +01.165 (+1.316%) | +00.264 |
| 5 | 5 | 8 | Niki Lauda | McLaren • TAG Porsche | 01:38.021 | 01:30.325 | 01:30.325 | +01.808 (+2.043%) | +00.643 |
| 6 | 6 | 28 | René Arnoux | Ferrari | 01:38.389 | 01:30.411 | 01:30.411 | +01.894 (+2.140%) | +00.086 |
| 7 | 7 | 14 | Manfred Winkelhock | ATS • BMW | 01:47.362 | 01:30.723 | 01:30.723 | +02.206 (+2.492%) | +00.312 |
| 8 | 8 | 23 | Eddie Cheever | Alfa Romeo | 01:42.731 | 01:30.843 | 01:30.843 | +02.326 (+2.628%) | +00.120 |
| 9 | 9 | 2 | Teo Fabi | Brabham • BMW | 01:37.594 | 01:30.950 | 01:30.950 | +02.433 (+2.749%) | +00.107 |
| 10 | 10 | 22 | Riccardo Patrese | Alfa Romeo | 01:41.363 | 01:31.163 | 01:31.163 | +02.646 (+2.989%) | +00.213 |
| 11 | 11 | 11 | Elio de Angelis | Lotus • Renault | 01:38.423 | 01:31.173 | 01:31.173 | +02.656 (+3.001%) | +00.010 |
| 12 | 12 | 26 | Andrea de Cesaris | Ligier • Renault | 01:36.613 | 01:31.256 | 01:31.256 | +02.739 (+3.094%) | +00.083 |
| 13 | 13 | 27 | Michele Alboreto | Ferrari | 01:47.919 | 01:31.282 | 01:31.282 | +02.765 (+3.124%) | +00.026 |
| 14 | 14 | 15 | Patrick Tambay | Renault | 01:36.250 | 01:31.663 | 01:31.663 | +03.146 (+3.554%) | +00.381 |
| 15 | 15 | 5 | Jacques Laffite | Williams • Honda | 01:41.891 | 01:32.600 | 01:32.600 | +04.083 (+4.613%) | +00.937 |
| 16 | 16 | 17 | Marc Surer | Arrows • BMW | 01:42.046 | 01:33.063 | 01:33.063 | +04.546 (+5.136%) | +00.463 |
| 17 | 17 | 25 | François Hesnault | Ligier • Renault | 01:40.356 | 01:33.186 | 01:33.186 | +04.669 (+5.275%) | +00.123 |
| 18 | 18 | 12 | Nigel Mansell | Lotus • Renault | 01:38.363 | 01:34.477 | 01:34.477 | +05.960 (+6.733%) | +01.291 |
| 19 | 19 | 20 | Johnny Cecotto | Toleman • Hart | 01:35.568 | 01:35.568 | 01:35.568 | +07.051 (+7.966%) | +01.091 |
| 20 | 20 | 18 | Thierry Boutsen | Arrows • Ford Cosworth | 01:40.920 | 01:36.018 | 01:36.018 | +07.501 (+8.474%) | +00.450 |
| 21 | 21 | 4 | Stefan Bellof | Tyrrell • Ford Cosworth | 01:36.059 | ||||
| 22 | 22 | 3 | Martin Brundle | Tyrrell • Ford Cosworth | 01:36.531 | ||||
| 23 | 23 | 9 | Philippe Alliot | RAM • Hart | 01:43.132 | 01:36.733 | 01:36.733 | +08.216 (+9.282%) | +00.715 |
| 24 | 24 | 21 | Mauro Baldi | Spirit • Hart | 01:42.249 | 01:36.916 | 01:36.916 | +08.399 (+9.489%) | +00.183 |
| 25 | 25 | 10 | Jonathan Palmer | RAM • Hart | 01:53.014 | 01:37.262 | 01:37.262 | +08.745 (+9.879%) | +00.346 |
| 26 | 26 | 30 | Jo Gartner | Osella • Alfa Romeo | 01:50.979 | 01:38.948 | 01:38.948 | +10.431 (+11.784%) | +01.686 |
| 27 | 24 | Piercarlo Ghinzani | Osella • Alfa Romeo | 01:40.790 | 02:05.421 | 01:40.790 | +12.273 (+13.865%) | +01.842 | |
| 28 | 19 | Ayrton Senna | Toleman • Hart | 01:41.585 | 01:41.585 | 01:41.585 | +13.068 (+14.763%) | +00.795 |