Williams
Antônio Pizzonia terminou em P22 no Campeonato Mundial de 2005 com 2 pontos. Em 5 corridas: 0 vitórias, 0 pódios e 0 pole positions — melhor resultado P7.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 15 | Italian Grand Prix | Williams | 16 | P7 | 2 | Finished |
| 16 | Belgian Grand Prix | Williams | 15 | P15 | Collision | |
| 17 | Brazilian Grand Prix | Williams | 13 | P19 | Accident | |
| 18 | Japanese Grand Prix | Williams | 12 | P17 | Accident | |
| 19 | Chinese Grand Prix | Williams | 13 |
| P13 |
| Tyre puncture |