| 8.1.2012 | Daytona Test | 01 | Mk XXVI | Hand / Pruett / Rahal / Rojas | Chip Ganassi Racing with Felix Sabates | 6th |
| 8.1.2012 | Daytona Test | 02 | Mk XXVI | Dixon / Franchitti / McMurray / Montoya | Chip Ganassi Racing with Felix Sabates | 8th |
| 8.1.2012 | Daytona Test | 2 | Mk XX | Popow / Dalziel / McNish / Potolicchio / Viso | Starworks Motorsport | 9th |
| 8.1.2012 | Daytona Test | 6 | Mk XX | Goncalvez / McDowell / Nasr / Yacaman | Michael Shank Racing | 10th |
| 8.1.2012 | Daytona Test | 8 | Mk XX | Popow / Dalziel / McNish / Luhr / Potolicchio | Starworks Motorsport | ?th |
| 8.1.2012 | Daytona Test | 50 | Mk XI | Defoor / Forbes-Robinson / Johnson / Pace / de Quesada | 50+Predator/Alegra | 13th |
| 8.1.2012 | Daytona Test | 60 | Mk XXVI | Allmendinger / Negri / Pew / Wilson | Michael Shank Racing | 7th |
| 29.1.2012 | 24 h Daytona | 01 | Mk XXVI | Pruett / Rojas / Rahal / Hand | Chip Ganassi Racing with Felix Sabates | 6th |
| 29.1.2012 | 24 h Daytona | 02 | Mk XXVI | Dixon / Montoya / Franchitti / McMurray | Chip Ganassi Racing with Felix Sabates | 4th |
| 29.1.2012 | 24 h Daytona | 2 | Mk XX | Valiante / Hunter-Reay / Andretti / Mayer | Starworks Motorsport | 10th |
| 29.1.2012 | 24 h Daytona | 6 | Mk XX | McDowell / Nasr / Goncalvez / Yacaman | Michael Shank Racing with Curb-Agajanian | 3rd |
| 29.1.2012 | 24 h Daytona | 8 | Mk XXVI | Potolicchio / Popow / Dalziel / Luhr / McNish | Starworks Motorsport | 2nd |
| 29.1.2012 | 24 h Daytona | 50 | Mk XI | Defoor / Forbes-Robinson / Johnson / Pace / de Quesada | 50+Predator/Alegra | 32nd |
| 29.1.2012 | 24 h Daytona | 60 | Mk XXVI | Pew / Negri / Allmendinger / Wilson | Michael Shank Racing with Curb-Agajanian | 1st |
| 31.3.2012 | 2 h 45 min Barber | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 31.3.2012 | 2 h 45 min Barber | 2 | Mk XX | Popow / Luhr | Starworks Motorsport | 6th |
| 31.3.2012 | 2 h 45 min Barber | 8 | Mk XXVI | Potolicchio / Dalziel | Starworks Motorsport | 4th |
| 31.3.2012 | 2 h 45 min Barber | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 8th |
| 29.4.2012 | 2 h 45 min Homestead | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 2nd |
| 29.4.2012 | 2 h 45 min Homestead | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | 4th |
| 29.4.2012 | 2 h 45 min Homestead | 8 | Mk XXVI | Potolicchio / Dalziel | Starworks Motorsport | 18th |
| 29.4.2012 | 2 h 45 min Homestead | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 19th |
| 13.5.2012 | 2 h 45 min New Jersey | 01 | Mk XXVI | Rojas / Pruett | Chip Ganassi Racing with Felix Sabates | 26th |
| 13.5.2012 | 2 h 45 min New Jersey | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | 6th |
| 13.5.2012 | 2 h 45 min New Jersey | 8 | Mk XXVI | Potolicchio / Dalziel | Starworks Motorsport | 2nd |
| 13.5.2012 | 2 h 45 min New Jersey | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 3rd |
| 2.6.2012 | 2 h Detroit | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 2.6.2012 | 2 h Detroit | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | 7th |
| 2.6.2012 | 2 h Detroit | 7 | Mk XX | Mayer / Braun | Starworks Motorsport | 8th |
| 2.6.2012 | 2 h Detroit | 8 | Mk XXVI | Potolicchio / Dalziel | Starworks Motorsport | 6th |
| 2.6.2012 | 2 h Detroit | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 5th |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 2nd |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | 4th |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 8 | Mk XXVI | Potolicchio / Dalziel | Starworks Motorsport | 5th |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 8th |
| 23.6.2012 | 2 h Road America | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 1st |
| 23.6.2012 | 2 h Road America | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | 23rd |
| 23.6.2012 | 2 h Road America | 7 | Mk XX | Mayer / Braun | Starworks Motorsport | 5th |
| 23.6.2012 | 2 h Road America | 8 | Mk XXVI | Potolicchio / Dalziel | Starworks Motorsport | 2nd |
| 23.6.2012 | 2 h Road America | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 3rd |
| 1.7.2012 | 6 h Watkins Glen | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 4th |
| 1.7.2012 | 6 h Watkins Glen | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | 8th |
| 1.7.2012 | 6 h Watkins Glen | 7 | Mk XX | Mayer / Braun / Wilkins | Starworks Motorsport | 9th |
| 1.7.2012 | 6 h Watkins Glen | 8 | Mk XXVI | Potolicchio / Dalziel / Bourdais | Starworks Motorsport | 3rd |
| 1.7.2012 | 6 h Watkins Glen | 60 | Mk XXVI | Pew / Negri | Michael Shank Racing with Curb-
Agajanian | 6th |
| 7.7.2012 | Indianapolis Test | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 7.7.2012 | Indianapolis Test | 02 | Mk XXVI | McMurray / Montoya | Chip Ganassi Racing with Felix Sabates | DNS |
| 7.7.2012 | Indianapolis Test | 2 | Mk XXVI | Popow / Luhr | Starworks Motorsport | DNS |
| 7.7.2012 | Indianapolis Test | 8 | Mk XXVI | Dalziel / Potolicchio | Starworks Motorsport | 7th |
| 7.7.2012 | Indianapolis Test | 60 | Mk XXVI | Negri / Pew | Michael Shank Racing with Curb-Agajanian | 2nd |
| 27.7.2012 | 3 h Indianapolis | 01 | Mk XXVI | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 2nd |
| 27.7.2012 | 3 h Indianapolis | 02 | Mk XXVI | Montoya / Dixon | Chip Ganassi Racing with Felix Sabates | 4th |