Sunday 23rd September 1990
British driver Nigel Mansell took his only victory of the season in his Ferrari 641, and his last for Scuderia Ferrari at Portugeuse Grand Prix. He finished over two seconds ahead of Brazilian driver and series points leader Ayrton Senna driving a McLaren MP4/5B. Mansell’s team mate French driver Alain Prost kept his fading championship hopes alive with a third placed finish.