| Brazil | 07 Apr | Alain ProstPRO | McLaren TAG | 61 | 1:41:26.115 |
| Portugal | 21 Apr | Ayrton SennaSEN | Lotus Renault | 67 | 2:00:28.006 |
| San Marino | 05 May | Elio de AngelisDEA | Lotus Renault | 60 | 1:34:35.955 |
| Monaco | 19 May | Alain ProstPRO | McLaren TAG | 78 | 1:51:58.034 |
| Canada | 16 Jun | Michele AlboretoALB | Ferrari | 70 | 1:46:01.813 |
| Detroit | 23 Jun | Keke RosbergROS | Williams Honda | 63 | 1:55:39.851 |
| France | 07 Jul | Nelson PiquetPIQ | Brabham BMW | 53 | 1:31:46.266 |
| Great Britain | 21 Jul | Alain ProstPRO | McLaren TAG | 65 | 1:18:10.436 |
| Germany | 04 Aug | Michele AlboretoALB | Ferrari | 67 | 1:35:31.337 |
| Austria | 18 Aug | Alain ProstPRO | McLaren TAG | 52 | 1:20:12.583 |
| Netherlands | 25 Aug | Niki LaudaLAU | McLaren TAG | 70 | 1:32:29.263 |
| Italy | 08 Sep | Alain ProstPRO | McLaren TAG | 51 | 1:17:59.451 |
| Belgium | 15 Sep | Ayrton SennaSEN | Lotus Renault | 43 | 1:34:19.893 |
| Europe | 06 Oct | Nigel MansellMAN | Williams Honda | 75 | 1:32:58.109 |
| South Africa | 19 Oct | Nigel MansellMAN | Williams Honda | 75 | 1:28:22.866 |
| Australia | 03 Nov | Keke RosbergROS | Williams Honda | 82 | 2:00:40.473 |