USA-West GP: Nigel Mansell, Lotus 92 Ford, leads Mauro Baldi, Alfa Romeo 183T, Andrea de Cesaris, Alfa Romeo 183T, and Johnny Cecotto, Theodore N183 Ford.
Nigel Mansell, Lotus 92 Ford, leads Mauro Baldi, Alfa Romeo 183T, Andrea de Cesaris, Alfa Romeo 183T, and Johnny Cecotto, Theodore N183 Ford.