San Marino GP: Keke Rosberg, Williams FW08C Ford, leads Nigel Mansell, Lotus 92 Ford, Niki Lauda, McLaren MP4-1C Ford, Michele Alboreto, Tyrrell 011 Ford, Derek Warwick, Toleman TG183B Hart, Jacques Laffite, Williams FW08C Ford, Chico Serra, Arrows A6 Ford, and Marc Surer, Arrows A6 Ford.
Keke Rosberg, Williams FW08C Ford, leads Nigel Mansell, Lotus 92 Ford, Niki Lauda, McLaren MP4-1C Ford, Michele Alboreto, Tyrrell 011 Ford, Derek Warwick, Toleman TG183B Hart, Jacques Laffite, Williams FW08C Ford, Chico Serra, Arrows A6 Ford, and Marc Surer, Arrows A6 Ford.