| Team | Nr | Fahrer | Auto |
| Dale Coyne Racing | 11 | Ricardo Sperafico |
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| 19 | Ronnie Bremer |
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| Forsythe Championship Racing | 7 | Mario Dominguez |
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| 3 | Paul Tracy |
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| HVM | 55 | Rodolfo Lavin |
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| 4 | Bjorn Wirdheim |
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| Jensen Motorsport | 41 | Fabrizio Del Monte |
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| Mi-Jack Conquest Racing | 34 | Nelson Philippe |
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| 27 | Andrew Ranger |
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| Newman/Haas Racing | 1 | Sebastien Bourdais |
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| 2 | Oriol Servia |
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| PKV Racing | 21 | Cristiano da Matta |
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| 12 | Jimmy Vasser |
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| Rocketsports Racing | 8 | Timo Glock |
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| 31 | Ryan Hunter-Reay |
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| RuSPORT | 10 | A.J. Allmendinger |
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| 9 | Justin Wilson |
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| Team Australia Racing | 5 | Marcus Marshall |
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| 15 | Alex Tagliani |
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| Datum | Ort | Streckenart | ||
| 1 | 10. April | Long Beach, USA | Stadtkurs | |
| 2 | 22. Mai | Monterrey, Mexiko | Rundstrecke |
 Ergebnisse |
| 3 | 4. Juni | The Milwaukee Mile, USA | Oval |
Ergebnisse |
| 4 | 19. Juni | Portland, USA | Rundstrecke |
Ergebnisse |
| 5 | 26. Juni | Cleveland, USA | Rundstrecke |
Ergebnisse |
| 6 | 10. Juli | Toronto, Kanada | Stadtkurs |
Ergebnisse |
| 7 | 17. Juli | Edmonton, Kanada | Oval |
Ergebnisse |
| 8 | 31. Juli | San Jose, USA | Stadtkurs |
Ergebnisse |
| 9 | 14. August | Denver, USA | Stadtkurs |
Ergebnisse |
| 10 | 28. August | Montreal, Kanada | Rundstrecke |
Ergebnisse |
| 11 | 24. September | Las Vegas, USA | Oval |
Ergebnisse |
| 12 | 23. Oktober | Surfers Paradise, Australien | Stadtkurs |
Ergebnisse |
| 13 | 6. November | Mexico City, Mexiko | Rundstrecke |
Ergebnisse |
| P | Fahrer | Total | Road | Oval |
| 1 |
 Sebastien
Bourdais |
348 | 295 | 53 |
| 2 |
 Oriol
Servia |
288 | 235 | 53 |
| 3 |
 Justin
Wilson |
265 | 232 | 33 |
| 4 |
 Paul
Tracy |
246 | 208 | 38 |
| 5 |
 A.J.
Allmendinger |
227 | 192 | 35 |
| 6 |
Jimmy
Vasser |
217 | 169 | 48 |
| 7 |
Alex
Tagliani |
207 | 179 | 28 |
| 8 |
 Timo
Glock (R) * |
202 | 173 | 29 |
| 9 |
 Mario
Dominguez |
198 | 157 | 41 |
| 10 |
Andrew
Ranger (R) |
140 | 128 | 12 |
| 11 |
 Cristiano
da Matta |
139 | 120 | 19 |
| 12 |
 Ronnie
Bremer (R) |
139 | 119 | 20 |
| 13 |
Nelson
Philippe |
117 | 103 | 14 |
| 14 |
 Bjorn
Wirdheim (R) |
115 | 90 | 25 |
| 15 |
Ryan
Hunter-Reay |
110 | 95 | 15 |
| 16 |
 Marcus
Marshall (R) |
104 | 83 | 21 |
| 17 |
Ricardo
Sperafico (R) |
92 | 79 | 13 |
| 18 |
Rodolfo
Lavin |
72 | 51 | 21 |
| 19 |
Bruno
Junqueira |
59 | 59 | 0 |
| 20 |
Alex
Sperafico |
24 | 24 | 0 |
| 21 |
Michael
McDowell (R) |
19 | 19 | 0 |
| 22 |
Will
Power (R) |
17 | 17 | 0 |
| 23 |
 Ryan
Dalziel (R) |
13 | 13 | 0 |
| 24 |
Tarso
Marques |
10 | 10 | 0 |
| 25 |
Michael
Valiante (R) |
10 | 10 | 0 |
| 26 |
 Fabrizio
del Monte (R) |
10 | 10 | 0 |
| 27 |
 Charles
Zwolsman (R) |
8 | 8 | 0 |
| 28 |
Homero
Richards (R) |
5 | 5 | 0 |
| 29 |
Jorge
Goeters (R) |
3 | 3 | 0 |
(R) = Rookie
* Gewinner Rookiewertung
