The 1984 San Marino Grand Prix was Round 4 of the 1984 FIA Formula 1 World Championship. The event was held in Imola, Italy on Sunday, 6 May 1984. Nelson Piquet started on pole position in the Brabham BMW and Alain Prost was the race winner in the McLaren TAG.
4. Gran Premio Di San Marino 1984 Race Result
| Pos. | No. | Driver | Nationality | Team | Tyre | Laps | Time/Retired | Race Time | Gap | Interval | Best Lap | Lap | Speed | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Alain Prost | France | McLaren TAG | Michelin | 60 | 1:36:53.679 | 1:36:53.679 | - | - | 1:33.580 | 50 | 187.254 | 2 | 9 |
| 2 | 28 | René Arnoux | France | Ferrari | Goodyear | 60 | +13.416 | 1:37:07.095 | +13.416 | +13.416 | 1:33.373 | 44 | 186.823 | 6 | 6 |
| 3 | 11 | Elio de Angelis | Italy | Lotus Renault | Goodyear | 59 | Out of Fuel | 1:36:02.863 | 1 lap | 1 lap | 1:34.525 | 54 | 185.757 | 11 | 4 |
| 4 | 16 | Derek Warwick | Great Britain | Renault | Michelin | 59 | +1 lap | 1:36:55.312 | 1 lap | +52.449 | 1:36.000 | 12 | 184.082 | 4 | 3 |
| 5 | 18 | Thierry Boutsen | Belgium | Arrows Ford | Goodyear | 59 | +1 lap | 1:38:21.270 | 1 lap | +1:25.958 | 1:38.430 | 52 | 181.400 | 20 | 2 |
| 6 | 26 | Andrea de Cesaris | Italy | Ligier Renault | Michelin | 58 | Out of Fuel | 1:34:27.050 | 2 laps | 1 lap | 1:34.415 | 55 | 185.696 | 12 | 1 |
| 7 | 23 | Eddie Cheever | United States | Alfa Romeo | Goodyear | 58 | Out of Fuel | 1:35:21.085 | 2 laps | +54.035 | 1:35.849 | 27 | 183.942 | 8 | |
| 8 | 21 | Mauro Baldi | Italy | Spirit Hart | Pirelli | 58 | +2 laps | 1:38:05.058 | 2 laps | +2:43.973 | 1:39.404 | 46 | 178.817 | 24 | |
| 9 | 10 | Jonathan Palmer | Great Britain | RAM Hart | Pirelli | 57 | +3 laps | 1:37:03.013 | 3 laps | 1 lap | 1:37.472 | 44 | 177.607 | 25 | |
| DSQ | 4 | Stefan Bellof | Germany | Tyrrell Ford | Goodyear | 59 | Disqualified | 1:37:07.535 | 1:36.095 | 43 | 183.696 | 21 | |||
| DSQ | 3 | Martin Brundle | Great Britain | Tyrrell Ford | Goodyear | 55 | Disqualified | 1:30:42.568 | 1:37.013 | 38 | 183.354 | 22 | |||
| DNF | 9 | Philippe Alliot | France | RAM Hart | Pirelli | 53 | Turbo | 1:31:08.402 | 1:38.199 | 47 | 175.852 | 23 | |||
| NC | 20 | Johnny Cecotto | Venezuela | Toleman Hart | Pirelli | 52 | +8 laps | 1:28:17.538 | 1:38.208 | 52 | 178.099 | 19 | |||
| DNF | 1 | Nelson Piquet | Brazil | Brabham BMW | Michelin | 48 | Turbo | 1:17:34.127 | 1:33.275 | 48 | 187.126 | 1 | |||
| DNF | 2 | Teo Fabi | Italy | Brabham BMW | Michelin | 48 | Turbo | 1:18:10.293 | 1:35.534 | 44 | 185.683 | 9 | |||
| DNF | 30 | Jo Gartner | Austria | Osella Alfa Romeo | Pirelli | 46 | Engine | 1:19:16.523 | 1:40.949 | 41 | 175.469 | 26 | |||
| DNF | 17 | Marc Surer | Switzerland | Arrows BMW | Goodyear | 40 | Turbo | 1:06:14.655 | 1:37.089 | 25 | 182.596 | 16 | |||
| DNF | 14 | Manfred Winkelhock | Germany | ATS BMW | Pirelli | 31 | Turbo | 51:27.896 | 1:37.319 | 11 | 182.151 | 7 | |||
| DNF | 27 | Michele Alboreto | Italy | Ferrari | Goodyear | 23 | Exhaust | 37:26.768 | 1:36.053 | 20 | 185.738 | 13 | |||
| DNF | 8 | Niki Lauda | Austria | McLaren TAG | Michelin | 15 | Engine | 24:26.357 | 1:34.686 | 11 | 185.602 | 5 | |||
| DNF | 5 | Jacques Laffite | France | Williams Honda | Goodyear | 11 | Engine | 18:39.686 | 1:38.517 | 11 | 178.249 | 15 | |||
| DNF | 22 | Riccardo Patrese | Italy | Alfa Romeo | Goodyear | 6 | Electrical | 10:09.475 | 1:39.389 | 3 | 178.619 | 10 | |||
| DNF | 12 | Nigel Mansell | Great Britain | Lotus Renault | Goodyear | 2 | Spun Off | 3:38.144 | 1:41.622 | 2 | 166.348 | 18 | |||
| DNF | 6 | Keke Rosberg | Finland | Williams Honda | Goodyear | 2 | Electrical | 3:39.829 | 1:39.769 | 2 | 165.073 | 3 | |||
| DNF | 15 | Patrick Tambay | France | Renault | Michelin | Collision | 14 | ||||||||
| DNF | 25 | Francois Hesnault | France | Ligier Renault | Michelin | Collision | 17 | ||||||||
| DNQ | 24 | Piercarlo Ghinzani | Italy | Osella Alfa Romeo | Pirelli | ||||||||||
| DNQ | 19 | Ayrton Senna | Brazil | Toleman Hart | Pirelli |