| 2005-01 | Homestead | 22 | 9 | 15 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 158/200 | 36,000 | crash | 0 |
| 2005-02 | Phoenix | 22 | 18 | 15 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 194/200 | 36,000 | running | 0 |
| 2005-03 | St. Petersburg | 21 | 15 | 12 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 95/100 | 40,700 | running | 0 |
| 2005-04 | Motegi | 23 | 2 | 4 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 83,700 | running | 32 |
| 2005-05 | Indianapolis | 33 | 4 | 4 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 378,855 | running | 19 |
| 2005-06 | Fort Worth | 22 | 3 | 13 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 38,500 | running | 0 |
| 2005-07 | Richmond | 22 | 21 | 10 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 247/250 | 42,000 | running | 0 |
| 2005-08 | Kansas | 22 | 1 | 9 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 53,300 | running | 0 |
| 2005-09 | Nashville | 23 | 2 | 7 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 43,000 | running | 9 |
| 2005-10 | Milwaukee | 22 | 6 | 19 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 125/225 | 32,400 | crash | 0 |
| 2005-11 | Michigan | 23 | 8 | 20 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 163/200 | 30,600 | engine | 0 |
| 2005-12 | Kentucky | 23 | 1 | 16 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 184/200 | 34,100 | running | 0 |
| 2005-13 | Pikes Peak | 22 | 5 | 8 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 223/225 | 43,300 | running | 0 |
| 2005-14 | Sonoma | 21 | 16 | 20 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 19/80 | 31,900 | crash | 0 |
| 2005-15 | Chicago | 23 | 1 | 6 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 54,200 | running | 1 |
| 2005-16 | Watkins Glen | 20 | 16 | 16 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 58/60 | 36,600 | running | 0 |
| 2005-17 | Fontana | 22 | 4 | 18 | 16 | Argent / Pioneer (Bobby Rahal / David Letterman) | P/HF/F | 184/200 | 33,600 | crash | 2 |
| 2006-01 | Homestead | 20 | 17 | 17 | 16 | Team Argent (Bobby Rahal / David Letterman) | P/HF/F | 0/200 | 35,200 | did not start | 0 |
| 2006-02 | St. Petersburg | 19 | 14 | 6 | 16 | Team Argent (Bobby Rahal / David Letterman) | P/HF/F | 100/100 | 50,200 | running | 0 |
| 2006-03 | Motegi | 20 | 14 | 8 | 16 | Team Argent (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 68,900 | running | 0 |
| 2006-04 | Indianapolis | 33 | 10 | 8 | 16 | Team Argent (Bobby Rahal / David Letterman) | P/HF/F | 200/200 | 285,805 | running | 0 |
| 2006-05 | Watkins Glen | 19 | 16 | 8 | 16 | Team Argent (Bobby Rahal / David Letterman) | P/HF/F | 55/55 | 47,400 | running | 0 |
| 2006-06 | Fort Worth | 19 | 14 | 12 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 199/200 | 43,100 | running | 0 |
| 2006-07 | Richmond | 19 | 14 | 15 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 246/250 | 38,900 | running | 0 |
| 2006-08 | Kansas | 19 | 12 | 11 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 198/200 | 44,400 | running | 0 |
| 2006-09 | Nashville | 18 | 10 | 4 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 200/200 | 65,500 | running | 0 |
| 2006-10 | Milwaukee | 18 | 14 | 4 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 225/225 | 65,500 | running | 0 |
| 2006-11 | Michigan | 19 | 11 | 17 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 197/200 | 36,100 | out of fuel | 0 |
| 2006-12 | Kentucky | 19 | 11 | 8 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 200/200 | 47,400 | running | 0 |
| 2006-13 | Sonoma | 18 | 11 | 8 | 16 | Team Argent (Bobby Rahal / David Letterman) | P/HF/F | 80/80 | 49,000 | running | 0 |
| 2006-14 | Chicago | 19 | 15 | 12 | 16 | Team Argent (Bobby Rahal / David Letterman) | D/HF/F | 199/200 | 43,100 | running | 0 |
| 2007-01 | Homestead | 20 | 13 | 14 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 154/200 | 39,100 | crash | 0 |
| 2007-02 | St. Petersburg | 18 | 11 | 8 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 100/100 | 49,000 | running | 0 |
| 2007-03 | Motegi | 18 | 4 | 11 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 198/200 | 68,800 | running | 0 |
| 2007-04 | Kansas | 21 | 10 | 7 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 198/200 | 45,800 | running | 0 |
| 2007-05 | Indianapolis | 33 | 8 | 8 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 166/166 | 298,005 | running | 0 |
| 2007-06 | Milwaukee | 18 | 17 | 8 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 225/225 | 49,000 | running | 0 |
| 2007-07 | Fort Worth | 22 | 6 | 3 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 228/228 | 75,650 | running | 2 |
| 2007-08 | Iowa | 19 | 11 | 13 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 99/250 | 41,800 | crash | 1 |
| 2007-09 | Richmond | 19 | 8 | 6 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 250/250 | 50,200 | running | 0 |
| 2007-10 | Watkins Glen | 18 | 15 | 11 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 60/60 | 45,800 | running | 0 |
| 2007-11 | Nashville | 18 | 7 | 3 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 82,050 | running | 0 |
| 2007-12 | Mid-Ohio | 18 | 2 | 5 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 85/85 | 59,400 | running | 0 |
| 2007-13 | Michigan | 20 | 9 | 7 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 199/200 | 47,200 | running | 5 |
| 2007-14 | Kentucky | 18 | 11 | 16 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 180/200 | 38,500 | crash | 0 |
| 2007-15 | Sonoma | 18 | 2 | 6 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 80/80 | 51,900 | running | 0 |
| 2007-16 | Belle Isle | 18 | 11 | 2 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 89/89 | 99,050 | running | 9 |
| 2007-17 | Chicago | 22 | 7 | 11 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 198/200 | 40,800 | running | 0 |
| 2008-01 | Homestead | 25 | 2 | 6 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 199/200 | 60,000 | running | 0 |
| 2008-02 | St. Petersburg | 26 | 19 | 10 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 83/83 | 60,000 | running | 0 |
| 2008-03 | Motegi | 18 | 6 | 1 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 95,000 | running | 3 |
| 2008-05 | Kansas | 27 | 3 | 19 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 156/200 | 60,000 | hub | 0 |
| 2008-06 | Indianapolis | 33 | 5 | 22 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 171/200 | 301,915 | pit crash | 0 |
| 2008-07 | Milwaukee | 27 | 13 | 9 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 224/225 | 60,000 | running | 0 |
| 2008-08 | Fort Worth | 28 | 5 | 10 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 227/228 | 60,000 | running | 0 |
| 2008-09 | Iowa | 26 | 6 | 6 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 250/250 | 60,000 | running | 0 |
| 2008-10 | Richmond | 26 | 14 | 6 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 300/300 | 60,000 | running | 0 |
| 2008-11 | Watkins Glen | 26 | 14 | 14 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 60/60 | 60,000 | running | 0 |
| 2008-12 | Nashville | 24 | 2 | 5 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 171/171 | 70,000 | running | 0 |
| 2008-13 | Mid-Ohio | 26 | 20 | 12 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 85/85 | 60,000 | running | 0 |
| 2008-14 | Edmonton | 27 | 14 | 18 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 88/91 | 60,000 | running | 0 |
| 2008-15 | Kentucky | 26 | 26 | 11 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 199/200 | 60,000 | running | 1 |
| 2008-16 | Sonoma | 27 | 9 | 5 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 80/80 | 70,000 | running | 0 |
| 2008-17 | Belle Isle | 26 | 10 | 16 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 86/87 | 60,000 | running | 0 |
| 2008-18 | Chicago | 28 | 3 | 10 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 60,000 | running | 0 |
| 2009-01 | St. Petersburg | 22 | 15 | 19 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 31/100 | 58,750 | crash | 0 |
| 2009-02 | Long Beach | 23 | 22 | 4 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 85/85 | 83,750 | running | 0 |
| 2009-03 | Kansas | 22 | 3 | 5 | 7 | Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 68,750 | running | 0 |
| 2009-04 | Indianapolis | 33 | 10 | 3 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 763,305 | running | 0 |
| 2009-05 | Milwaukee | 21 | 7 | 5 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 225/225 | 68,750 | running | 0 |
| 2009-06 | Fort Worth | 24 | 5 | 6 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 228/228 | 68,750 | running | 0 |
| 2009-07 | Iowa | 20 | 5 | 9 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 249/250 | 58,750 | running | 24 |
| 2009-08 | Richmond | 20 | 10 | 5 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 300/300 | 68,750 | running | 0 |
| 2009-09 | Watkins Glen | 21 | 7 | 11 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 60/60 | 58,750 | running | 0 |
| 2009-10 | Toronto | 23 | 18 | 6 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 85/85 | 68,750 | running | 0 |
| 2009-11 | Edmonton | 23 | 20 | 11 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 94/95 | 58,750 | running | 0 |
| 2009-12 | Kentucky | 23 | 5 | 8 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 58,750 | running | 2 |
| 2009-13 | Mid-Ohio | 21 | 12 | 19 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 83/85 | 58,750 | running | 0 |
| 2009-14 | Sonoma | 24 | 11 | 16 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 74/75 | 58,750 | running | 0 |
| 2009-15 | Chicago | 23 | 10 | 12 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 58,750 | running | 0 |
| 2009-16 | Motegi | 23 | 6 | 6 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 200/200 | 58,750 | running | 0 |
| 2009-17 | Homestead | 23 | 7 | 19 | 7 | Boost Mobile / Motorola (Andretti Green Racing) | D/HF/F | 185/200 | 133,750 | running | 0 |
| 2010-01 | Sao Paulo | 24 | 13 | 15 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 60/61 | 62,500 | running | 0 |
| 2010-02 | St. Petersburg | 24 | 21 | 7 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 100/100 | 62,500 | running | 0 |
| 2010-03 | Birmingham | 25 | 19 | 19 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 89/90 | 62,500 | running | 0 |
| 2010-04 | Long Beach | 25 | 20 | 16 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 85/85 | 62,500 | running | 0 |
| 2010-05 | Kansas | 27 | 9 | 11 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 198/200 | 62,500 | running | 0 |
| 2010-06 | Indianapolis | 33 | 23 | 6 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 307,305 | running | 0 |
| 2010-07 | Fort Worth | 26 | 8 | 2 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 228/228 | 97,500 | running | 1 |
| 2010-08 | Iowa | 25 | 9 | 10 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 249/250 | 62,500 | running | 0 |
| 2010-09 | Watkins Glen | 25 | 21 | 20 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 60/60 | 62,500 | running | 0 |
| 2010-10 | Toronto | 26 | 12 | 6 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 85/85 | 62,500 | running | 0 |
| 2010-11 | Edmonton | 25 | 21 | 15 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 94/95 | 62,500 | running | 0 |
| 2010-12 | Mid-Ohio | 27 | 22 | 21 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 85/85 | 62,500 | running | 0 |
| 2010-13 | Sonoma | 25 | 23 | 16 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 75/75 | 62,500 | running | 0 |
| 2010-14 | Chicago | 29 | 12 | 14 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 62,500 | running | 0 |
| 2010-15 | Kentucky | 27 | 17 | 9 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 62,500 | running | 0 |
| 2010-16 | Motegi | 25 | 12 | 5 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 82,500 | running | 0 |
| 2010-17 | Homestead | 27 | 11 | 2 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 87,500 | running | 0 |
| 2011-01 | St. Petersburg | 25 | 19 | 12 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 100/100 | 0 | running | 0 |
| 2011-02 | Birmingham | 26 | 22 | 17 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 89/90 | 0 | running | 0 |
| 2011-03 | Long Beach | 27 | 20 | 7 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 85/85 | 0 | running | 0 |
| 2011-04 | Sao Paulo | 26 | 17 | 23 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 46/55 | 0 | running | 0 |
| 2011-05 | Indianapolis | 33 | 25 | 10 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 321,745 | running | 10 |
| 2011-06 | Fort Worth | 30 | 10 | 16 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 113/114 | 0 | running | 0 |
| 2011-07 | Fort Worth | 30 | 20 | 8 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 114/114 | 0 | running | 0 |
| 2011-08 | Milwaukee | 26 | 15 | 5 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 225/225 | 10,000 | running | 0 |
| 2011-09 | Iowa | 26 | 2 | 10 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 250/250 | 0 | running | 0 |
| 2011-10 | Toronto | 26 | 21 | 19 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 79/85 | 0 | running | 0 |
| 2011-11 | Edmonton | 26 | 22 | 9 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 80/80 | 0 | running | 0 |
| 2011-12 | Mid-Ohio | 27 | 23 | 21 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 85/85 | 0 | running | 3 |
| 2011-13 | Loudon | 27 | 15 | 6 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 215/215 | 0 | running | 0 |
| 2011-14 | Sonoma | 28 | 25 | 21 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 74/75 | 0 | running | 0 |
| 2011-15 | Baltimore | 28 | 23 | 6 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 75/75 | 0 | running | 0 |
| 2011-16 | Motegi | 26 | 23 | 11 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 63/63 | 0 | running | 0 |
| 2011-17 | Kentucky | 29 | 14 | 10 | 7 | GoDaddy.com (Andretti Autosport) | D/HF/F | 200/200 | 0 | running | 0 |
| 2018-06 | Indianapolis | 33 | 7 | 30 | 13 | GoDaddy (Ed Carpenter Racing) | D/CF/F | 67/200 | 0 | crash | 0 |
