| «1989-13» | Portugal Grand Prix - XVIII Grande Premio de Portugal |
| 1989-09-24 | Estoril - Autódromo Fernanda Pires da Silva - 71 laps × 4.35 km : 308.85 km |
| Pos | Constructor | Points | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | McLaren • Honda | 6 | 15 | 15 | 11 | 9 | - | 9 | 9 | 15 | 9 | 15 | 9 | 6 | 128 | |||
| 2 | Ferrari • Ferrari | 9 | - | - | - | - | - | 6 | 6 | 4 | 9 | 4 | 6 | 9 | 53 | |||
| 3 | Williams • Renault | - | 3 | - | 6 | 7 | 15 | 4 | - | 3 | 4 | 3 | 7 | - | 52 | |||
| 4 | Benetton • Ford Cosworth | 4 | 4 | - | 3 | 2 | - | - | 4 | - | - | 2 | - | 3 | 22 | |||
| 5 | Tyrrell • Ford Cosworth | - | 1 | 2 | 4 | - | - | 3 | - | - | - | - | 2 | 1 | 13 | |||
| 6 | Arrows • Ford Cosworth | 2 | 2 | - | - | 4 | - | - | - | 1 | 2 | 1 | - | - | 12 | |||
| 7 | Lotus • Judd | - | - | - | - | - | 3 | - | 3 | 2 | 1 | - | - | - | 9 | |||
| 8 | Dallara • Ford Cosworth | - | - | 3 | - | - | 5 | - | - | - | - | - | - | - | 8 | |||
| 9 | Onyx • Ford Cosworth | - | - | - | - | - | - | 2 | - | - | - | - | - | 4 | 6 | |||
| 10 | Brabham • Judd | - | - | 5 | - | - | - | - | - | - | - | - | 1 | - | 6 | |||
| 11 | Minardi • Ford Cosworth | - | - | - | - | - | - | - | 3 | - | - | - | - | 2 | 5 | |||
| 12 | March • Judd | 4 | - | - | - | - | - | - | - | - | - | - | - | - | 4 | |||
| 13 | Rial • Ford Cosworth | - | - | - | - | 3 | - | - | - | - | - | - | - | - | 3 | |||
| 14 | Ligier • Ford Cosworth | - | - | - | - | - | 2 | 1 | - | - | - | - | - | - | 3 | |||
| 15 | AGS • Ford Cosworth | - | - | - | 1 | - | - | - | - | - | - | - | - | - | 1 | |||
| - | Zakspeed • Yamaha | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| - | Eurobrun • Judd | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| - | Lola • Lamborghini | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| - | Osella • Ford Cosworth | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| - | Coloni • Ford Cosworth | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Points System
9-6-4-3-2-1 points for the top 6 places.
Best 11 results count toward Drivers' championship.
All results count towards Constructors' championship.
Half points are awarded for races stopped before three-quarter-distance was completed.
Second drivers of teams that officially entered only one car are not eligible for points. Their points are not redistributed.