Portuguese GP: Alain Prost, McLaren MP4-5 Honda, leads Luis Perez-Sala, Minardi M189 Ford, Riccardo Patrese, Williams FW13 Renault, and Thierry Boutsen, Williams FW13 Renault.
Alain Prost, McLaren MP4-5 Honda, leads Luis Perez-Sala, Minardi M189 Ford, Riccardo Patrese, Williams FW13 Renault, and Thierry Boutsen, Williams FW13 Renault.