| 1 | 2006 | St. Petersburg | 41 | Guthrie Racing | Dallara IPS | Infiniti Q45 | 1 | 1 |
| 2 | 2006 | St. Petersburg | 41 | Guthrie Racing | Dallara IPS | Infiniti Q45 | 6 | 1 |
| 3 | 2006 | Watkins Glen | 41 | Guthrie Racing | Dallara IPS | Infiniti Q45 | 11 | 13 |
| 4 | 2006 | Indianapolis | 41 | Guthrie Racing | Dallara IPS | Infiniti Q45 | 3 | 4 |
| 5 | 2008 | Miami | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 1 | 8 |
| 6 | 2008 | St. Petersburg | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 1 | 1 |
| 7 | 2008 | St. Petersburg | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 4 | 12 |
| 8 | 2008 | Kansas | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 2 | 19 |
| 9 | 2008 | Indianapolis | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 5 | 10 |
| 10 | 2008 | Milwaukee | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 7 | 3 |
| 11 | 2008 | Iowa | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 8 | 7 |
| 12 | 2008 | Watkins Glen | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 2 | 1 |
| 13 | 2008 | Watkins Glen | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 6 | 2 |
| 14 | 2008 | Nashville | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 4 | 5 |
| 15 | 2008 | Mid-Ohio | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 1 | 1 |
| 16 | 2008 | Mid-Ohio | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 4 | 18 |
| 17 | 2008 | Kentucky | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 1 | 6 |
| 18 | 2008 | Infineon | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 2 | 2 |
| 19 | 2008 | Infineon | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 7 | 6 |
| 20 | 2008 | Chicago | 27 | AFS Racing/Andretti Green Racing | Dallara IPS | Infiniti Q45 | 1 | 3 |
