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Race summary
The 1991 Portuguese Grand Prix took place at Autódromo do Estoril in Estoril, Portugal on 1991-09-22. This was round 13 of the 1991 Formula 1 World Championship.
Race result
| Pos | Driver | Team |
|---|---|---|
| 1 | Riccardo Patrese | Williams |
| 2 | Ayrton Senna | McLaren |
| 3 | Jean Alesi | Ferrari |
Winner: Riccardo Patrese (Williams)