| Brazil | 23 Mar | Nelson PiquetPIQ | Williams Honda | 61 | 1:39:32.583 |
| Spain | 13 Apr | Ayrton SennaSEN | Lotus Renault | 72 | 1:48:47.735 |
| San Marino | 27 Apr | Alain ProstPRO | McLaren TAG | 60 | 1:32:28.408 |
| Monaco | 11 May | Alain ProstPRO | McLaren TAG | 78 | 1:55:41.060 |
| Belgium | 25 May | Nigel MansellMAN | Williams Honda | 43 | 1:27:57.925 |
| Canada | 15 Jun | Nigel MansellMAN | Williams Honda | 69 | 1:42:26.415 |
| Detroit | 22 Jun | Ayrton SennaSEN | Lotus Renault | 63 | 1:51:12.847 |
| France | 06 Jul | Nigel MansellMAN | Williams Honda | 80 | 1:37:19.272 |
| Great Britain | 13 Jul | Nigel MansellMAN | Williams Honda | 75 | 1:30:38.471 |
| Germany | 27 Jul | Nelson PiquetPIQ | Williams Honda | 44 | 1:22:08.263 |
| Hungary | 10 Aug | Nelson PiquetPIQ | Williams Honda | 76 | 2:00:34.508 |
| Austria | 17 Aug | Alain ProstPRO | McLaren TAG | 52 | 1:21:22.531 |
| Italy | 07 Sep | Nelson PiquetPIQ | Williams Honda | 51 | 1:17:42.889 |
| Portugal | 21 Sep | Nigel MansellMAN | Williams Honda | 70 | 1:37:21.900 |
| Mexico | 12 Oct | Gerhard BergerBER | Benetton BMW | 68 | 1:33:18.700 |
| Australia | 26 Oct | Alain ProstPRO | McLaren TAG | 82 | 1:54:20.388 |