| Round 1: Monterrey |
| Dave: | Brack, da Matta, Junqueira, Franchitti, Tracy, Dixon | + 20 = | 20 points |
| Kris: | da Matta, Brack, Tracy, Kanaan, Franchitti, Andretti | + 13 = | 13 points |
| Rob: | da Matta, Brack, Andretti, Vasser, Tracy, Franchitti | + 12 = | 12 points |
| Result: | da Matta, Franchitti, Fittipaldi, Jourdain, Tagliani, Dixon |
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| Round 2: Long Beach |
| Dave: | da Matta, Franchitti, Brack, Junqueira, Fittipaldi, Dixon | + 6 = | 26 points |
| Kris: | da Matta, Franchitti, Brack, Tracy, Dixon, Andretti | + 7 = | 20 points |
| Rob: | da Matta, Tracy, Franchitti, Andretti, Brack, Vasser | + 11 = | 23 points |
| Result: | Andretti, Vasser, Papis, Brack, Jourdain, Takagi |
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| Round 3: Japan |
| Dave: | Brack, Andretti, da Matta, Jourdain, Papis, Vasser | + 6 = | 32 points |
| Kris: | Brack, Da Matta, Franchitti, Fittipaldi, Dixon, Vasser | + 10 = | 30 points |
| Rob: | da Matta, Brack, Jourdain, Fittipaldi, Vasser, Tagliani | + 6 = | 29 points |
| Result: | Junqueira, Tagliani, Franchitti, Carpentier, Jourdain, Servia |
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| Round 4: Milwaukee |
| Dave: | Andretti, da Matta, Tracy, Franchitti, Brack, Jourdain | + 10 = | 42 points |
| Kris: | Brack, Andretti, Tracy, Dixon, da Matta, Franchitti | + 8 = | 38 points |
| Rob: | da Matta, Andretti, Tracy, Brack, Fittipaldi, Vasser | + 10 = | 39 points |
| Result: | Tracy, Fernandez, Papis, Fittipaldi, Jourdain, Dixon |
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| Round 5: Laguna Seca |
| Dave: | da Matta, Tracy, Andretti, Junqueira, Brack, Papis | + 24 = | 66 points |
| Kris: | Tracy, da Matta, Papis, Andretti, Franchitti, Dixon | + 16 = | 54 points |
| Rob: | da Matta, Tracy, Andretti, Papis, Franchitti, Jourdain | + 10 = | 49 points |
| Result: | da Matta, Fittipaldi, Brack, Junqueira, Carpentier, Dixon |
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| Round 6: Portland |
| Dave: | da Matta, Brack, Fittipaldi, Tracy, Franchitti, Fernandez | + 14 = | 80 points |
| Kris: | da Matta, Tracy, Franchitti, Papis, Brack, Dixon | + 20 = | 74 points |
| Rob: | da Matta, Fittipaldi, Brack, Papis, Jourdain, Dixon | + 16 = | 65 points |
| Result: | da Matta, Junqueira, Franchitti, Bell, Carpentier, Jourdain |
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| Round 7: Chicago |
| Dave: | Brack, da Matta, Junqueira, Franchitti, Andretti, Tracy | + 18 = | 98 points |
| Kris: | Brack, Tracy, Junqueira, Franchitti, Carpentier, Dixon | + 22 = | 96 points |
| Rob: | Brack, Tracy, Junqueira, Carpentier, Jourdain, Dixon | + 16 = | 81 points |
| Result: | da Matta, Junqueira, Franchitti, Takagi, Nakano, Dixon |
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| Round 8: Toronto |
| Dave: | da Matta, Andretti, Brack, Franchitti, Junqueira, Tracy | + 16 = | 114 points |
| Kris: | Brack, Tracy, Junqueira, Franchitti, Carpentier, Dixon | + 12 = | 108 points |
| Rob: | Brack, Tracy, Junqueira, Carpentier, Jourdain, Dixon | + 12 = | 93 points |
| Result: | da Matta, Brack, Fittipaldi, Nakano, Dixon, Vasser |
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| Round 9: Cleveland |
| Dave: | da Matta, Brack, Franchitti, Junqueira, Andretti, Tracy | + 10 = | 124 points |
| Kris: | da Matta, Brack, Tracy, Franchitti, Andretti, Dixon | + 17 = | 125 points |
| Rob: | da Matta, Tracy, Fittipaldi, Franchitti, Brack, Dixon | + 12 = | 105 points |
| Result: | Carpentier, Andretti, Tracy, Brack, Tagliani, Vasser |
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| Round 10: Vancouver |
| Dave: | da Matta, Brack, Franchitti, Junqueira, Andretti, Tracy | + 12 = | 136 points |
| Kris: | da Matta, Andretti, Franchitti, Brack, Tracy, Junqueira | + 9 = | 134 points |
| Rob: | da Matta, Carpentier, Franchitti, Tracy, Brack, Tagliani | + 11 = | 116 points |
| Result: | Franchitti, Tracy, Kanaan, Jourdain, Carpentier, Andretti |
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| Round 11: Mid-Ohio |
| Dave: | da Matta, Junqueira, Franchitti, Tracy, Andretti, Carpentier | + 9 = | 145 points |
| Kris: | da Matta, Franchitti, Tracy, Carpentier, Andretti, Tagliani | + 7 = | 141 points |
| Rob: | da Matta, Franchitti, Tracy, Brack, Carpentier, Tagliani | + 6 = | 122 points |
| Result: | Carpentier, Fittipaldi, Andretti, Junqueira, Dixon, Brack |
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| Round 12: Elkhart Lake |
| Dave: | da Matta, Carpentier, Junqueira, Andretti, Fittipaldi, Tracy | + 26 = | 171 points |
| Kris: | da Matta, Carpentier, Franchitti, Fittipaldi, Dixon, Tagliani | + 16 = | 157 points |
| Rob: | da Matta, Carpentier, Franchitti, Junqueira, Andretti, Brack | + 16 = | 138 points |
| Result: | da Matta, Tagliani, Junqueira, Kanaan, Vasser, Fittipaldi |
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| Round 13: Montreal |
| Dave: | da Matta, Tracy, Junqueira, Andretti, Carpentier, Franchitti | + 11 = | 182 points |
| Kris: | da Matta, Junqueira, Carpentier, Tracy, Franchitti, Dixon | + 18 = | 175 points |
| Rob: | da Matta, Carpentier, Franchitti, Junqueira, Tracy, Tagliani | + 16 = | 154 points |
| Result: | Franchitti, da Matta, Kanaan, Tracy, Vasser, Jourdain |
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| Round 14: Denver |
| Dave: | da Matta, Tracy, Franchitti, Carpentier, Andretti, Junqueira | + 5 = | 187 points |
| Kris: | da Matta, Franchitti, Junqueira, Tracy, Andretti, Carpentier | + 8 = | 183 points |
| Rob: | da Matta, Franchitti, Tracy, Junqueira, Carpentier, Tagliani | + 7 = | 161 points |
| Result: | Junqueira, Dixon, da Matta, Fernandez, Fittipaldi, Kanaan |
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| Round 15: Rockingham |
| Dave: | da Matta, Junqueira, Tracy, Andretti, Franchitti, Carpentier | + 14 = | 201 points |
| Kris: | da Matta, Franchitti, Tracy, Andretti, Fittipaldi, Dixon | + 12 = | 195 points |
| Rob: | da Matta, Franchitti, Tracy, Junqueira, Carpentier, Tagliani | + 22 = | 183 points |
| Result: | Franchitti, da Matta, Carpentier, Servia, Junqueira, Takagi |
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| Round 16: Miami |
| Dave: | da Matta, Carpentier, Franchitti, Junqueira, Tracy, Andretti | + 16 = | 217 points |
| Kris: | da Matta, Franchitti, Tracy, Junqueira, Andretti, Fittipaldi | + 18 = | 213 points |
| Rob: | da Matta, Franchitti, Tracy, Junqueira, Carpentier, Tagliani | + 20 = | 203 points |
| Result: | da Matta, Fittipaldi, Vasser, Tagliani, Junqueira, Jourdain |
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| Round 17: Australia |
| Dave: | da Matta, Junqueira, Franchitti, Carpentier, Fittipaldi, Andretti | + 4 = | 221 points |
| Kris: | da Matta, Franchitti, Tracy, Junqueira, Fittipaldi, Vasser | + 10 = | 223 points |
| Rob: | da Matta, Junqueira, Franchitti, Tracy, Fittipaldi, Jourdain | + 6 = | 209 points |
| Result: | Dominguez, Carpentier, Tracy, Brack, Kanaan, Tagliani |
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| Round 18: Fontana |
| Dave: | da Matta, Junqueira, Franchitti, Andretti, Carpentier, Tracy | + 8 = | 229 points |
| Kris: | da Matta, Tracy, Kanaan, Junqueira, Papis, Tagliani | + 6 = | 229 points |
| Rob: | da Matta, Junqueira, Tracy, Kanaan, Vasser, Tagliani | + 12 = | 221 points |
| Result: | Vasser, Andretti, Carpentier, Kanaan, Servia, Dixon |
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| Round 19: Mexico City |
| Dave: | da Matta, Junqueira, Franchitti, Carpentier, Tracy, Andretti | + 26 = | 255 points |
| Kris: | da Matta, Franchitti, Junqueira, Tracy, Andretti, Dixon | + 19 = | 248 points |
| Rob: | Junqueira, da Matta, Carpentier, Andretti, Kanaan, Tracy | + 20 = | 241 points |
| Result: | Brack, da Matta, Junqueira, Carpentier, Franchitti, Takagi |
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