Williams
Thierry Boutsen finished P5 in the 1989 World Drivers' Championship with 37 points. Across 16 races: 2 wins, 5 podiums and 0 pole positions, with a best finish of P1.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Brazilian Grand Prix | Williams | 4 | P23 | Engine | |
| 2 | San Marino Grand Prix | Williams | 6 | P4 | 3 | +1 Lap |
| 3 | Monaco Grand Prix | Williams | 3 | P10 | +3 Laps | |
| 4 | Mexican Grand Prix | Williams | 8 | P24 | Electrical | |
| 5 | United States Grand Prix | Williams | 16 |
| P6 |
| 1 |
| +1 Lap |
| 6 | Canadian Grand Prix | Williams | 6 | P1 | 9 | Finished |
| 7 | French Grand Prix | Williams | 5 | P16 | Gearbox |
| 8 | British Grand Prix | Williams | 7 | P10 | +2 Laps |
| 9 | German Grand Prix | Williams | 6 | P23 | Collision |
| 10 | Hungarian Grand Prix | Williams | 4 | P3 | 4 | Finished |
| 11 | Belgian Grand Prix | Williams | 4 | P4 | 3 | Finished |
| 12 | Italian Grand Prix | Williams | 6 | P3 | 4 | Finished |
| 13 | Portuguese Grand Prix | Williams | 8 | P16 | Overheating |
| 14 | Spanish Grand Prix | Williams | 21 | P17 | Fuel pump |
| 15 | Japanese Grand Prix | Williams | 7 | P3 | 4 | Finished |
| 16 | Australian Grand Prix | Williams | 5 | P1 | 9 | Finished |