| Brazil | Ayrton SennaSEN | 1:25.501 |
| Spain | Ayrton SennaSEN | 1:21.605 |
| San Marino | Ayrton SennaSEN | 1:25.050 |
| Monaco | Alain ProstPRO | 1:22.627 |
| Belgium | Nelson PiquetPIQ | 1:54.331 |
| Canada | Nigel MansellMAN | 1:24.118 |
| Detroit | Ayrton SennaSEN | 1:38.301 |
| France | Ayrton SennaSEN | 1:06.526 |
| Great Britain | Nelson PiquetPIQ | 1:06.961 |
| Germany | Keke RosbergROS | 1:42.013 |
| Hungary | Ayrton SennaSEN | 1:29.450 |
| Austria | Teo FabiFAB | 1:23.549 |
| Italy | Teo FabiFAB | 1:24.078 |
| Portugal | Ayrton SennaSEN | 1:16.673 |
| Mexico | Ayrton SennaSEN | 1:16.990 |
| Australia | Nigel MansellMAN | 1:18.403 |