Listed below are the final championship standings for the 2005 GP2 season. Nico Rosberg was crowned Champion for ART Grand Prix with a total of 109 points and 5 race victories, with Heikki Kovalainen claiming the runner-up spot as Alexandre Premat, Scott Speed and Adam Carroll completed the top five.
| Pos. | Driver | Points |
|---|---|---|
| 1. |  Nico RosbergART Grand Prix | 109 |
| 2. | Heikki KovalainenArden | 103 |
| 3. | Alexandre PrematART Grand Prix | 63 |
| 4. | Scott SpeediSport | 59 |
| 5. | Adam CarrollSuper Nova | 53 |
| 6. | Giorgio PantanoSuper Nova | 49 |
| 7. | Neel JaniRacing Engineer | 48 |
| 8. | Nelson Piquet Jr.HiTech Piquet | 46 |
| 9. | Jose Maria LópezDAMS | 36 |
| 10. | Gianmaria BruniDurango | 31 |
| 11. | Ernesto VisoBCN Competicion | 21 |
| 12. | Borja GarciaRacing Engineer | 20 |
| 13. | Nicolas LapierreArden | 19 |
| 14. | Olivier PlaDPR | 18 |
| 15. | Clivio PiccioneDurango | 12 |
| 16. | Hiroki YoshimotoBCN Competicion | 12 |
| 17. | Ferdinando MonfardiniColoni | 5 |
| 18. | Juan AlvarezCampos | 5 |
| 19. | Alexandre NegraoHiTech Piquet | 4 |
| 20. | Sergio HernandezCampos | 3 |
| 21. | Mathias LaudaColoni | 3 |
| 22. | Can ArtamiSport | 2 |
| 23. | Ryan SharpDPR | 0 |
| 24. | Fairuz FauzyDAMS | 0 |
| 25. | Toni VilanderColoni | 0 |
| 26. | Giorgio MondiniDPR | 0 |
| Date | Venue | |||
|---|---|---|---|---|
| 24 Apr '05 | San Marino |
Imola | ||
| 8 May '05 | Spain |
Circuit de Catalunya | ||
| 21 May '05 | Monaco |
Monte Carlo | ||
| 29 May '05 | Europe |
Nurburgring | ||
| 3 Jul '05 | France |
Magny-Cours | ||
| 10 Jul '05 | Great Britain |
Silverstone Circuit | ||
| 24 Jul '05 | Germany |
Hockenheim | ||
| 31 Jul '05 | Hungary |
Hungaroring | ||
| 21 Aug '05 | Turkey |
Istanbul Park | ||
| 4 Sep '05 | Italy |
Monza | ||
| 11 Sep '05 | Belgium |
Spa-Francorchamps | ||
| 30 Sep '05 | Bahrain |
Sakhir | ||
| 2005 GP2 calendar | ||||
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