Brabham-Climax → Brabham-Repco
Denny Hulme a terminé P4 du Championnat du Monde 1966 avec 18 points. En 9 courses : 0 victoires, 4 podiums et 0 pole positions — meilleur résultat P2.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Monaco Grand Prix | Brabham-Climax | 6 | P14 | Transmission | |
| 2 | Belgian Grand Prix | Brabham-Climax | 13 | P14 | Accident | |
| 3 | French Grand Prix | Brabham-Repco | 9 | P3 | 4 | +2 Laps |
| 4 | British Grand Prix | Brabham-Repco | 2 | P2 | 6 | Finished |
| 5 | Dutch Grand Prix | Brabham-Repco | 2 |
| P13 |
| Ignition |
| 6 | German Grand Prix | Brabham-Repco | 15 | P14 | Ignition |
| 7 | Italian Grand Prix | Brabham-Repco | 10 | P3 | 4 | Finished |
| 8 | United States Grand Prix | Brabham-Repco | 7 | P16 | Engine |
| 9 | Mexican Grand Prix | Brabham-Repco | 6 | P3 | 4 | +1 Lap |