| 8.1.2012 | Daytona Test | 01 | #MkXI-004=>AA-004 | Hand / Pruett / Rahal / Rojas | Chip Ganassi Racing with Felix Sabates | 6th |
| 8.1.2012 | Daytona Test | 02 | #MkXI-002=>AA-005 | Dixon / Franchitti / McMurray / Montoya | Chip Ganassi Racing with Felix Sabates | 8th |
| 8.1.2012 | Daytona Test | 60 | #AA-003 | Allmendinger / Negri / Pew / Wilson | Michael Shank Racing | 7th |
| 29.1.2012 | 24 h Daytona | 01 | #MkXI-004=>AA-004 | Pruett / Rojas / Rahal / Hand | Chip Ganassi Racing with Felix Sabates | 6th |
| 29.1.2012 | 24 h Daytona | 02 | #MkXI-002=>AA-005 | Dixon / Montoya / Franchitti / McMurray | Chip Ganassi Racing with Felix Sabates | 4th |
| 29.1.2012 | 24 h Daytona | 8 | #MkXI-027=>AA-002 | Potolicchio / Popow / Dalziel / Luhr / McNish | Starworks Motorsport | 2nd |
| 29.1.2012 | 24 h Daytona | 60 | #AA-003 | Pew / Negri / Allmendinger / Wilson | Michael Shank Racing with Curb-Agajanian | 1st |
| 31.3.2012 | 2 h 45 min Barber | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 31.3.2012 | 2 h 45 min Barber | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 4th |
| 31.3.2012 | 2 h 45 min Barber | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 8th |
| 29.4.2012 | 2 h 45 min Homestead | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 2nd |
| 29.4.2012 | 2 h 45 min Homestead | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | 4th |
| 29.4.2012 | 2 h 45 min Homestead | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 18th |
| 29.4.2012 | 2 h 45 min Homestead | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 19th |
| 13.5.2012 | 2 h 45 min New Jersey | 01 | #MkXI-004=>AA-004 | Rojas / Pruett | Chip Ganassi Racing with Felix Sabates | 26th |
| 13.5.2012 | 2 h 45 min New Jersey | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | 6th |
| 13.5.2012 | 2 h 45 min New Jersey | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 2nd |
| 13.5.2012 | 2 h 45 min New Jersey | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 3rd |
| 2.6.2012 | 2 h Detroit | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 2.6.2012 | 2 h Detroit | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | 7th |
| 2.6.2012 | 2 h Detroit | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 6th |
| 2.6.2012 | 2 h Detroit | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 5th |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 2nd |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | 4th |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 5th |
| 9.6.2012 | 2 h 45 min Mid-Ohio | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 8th |
| 23.6.2012 | 2 h Road America | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 1st |
| 23.6.2012 | 2 h Road America | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | 23rd |
| 23.6.2012 | 2 h Road America | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 2nd |
| 23.6.2012 | 2 h Road America | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 3rd |
| 1.7.2012 | 6 h Watkins Glen | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 4th |
| 1.7.2012 | 6 h Watkins Glen | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | 8th |
| 1.7.2012 | 6 h Watkins Glen | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel / Bourdais | Starworks Motorsport | 3rd |
| 1.7.2012 | 6 h Watkins Glen | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-
Agajanian | 6th |
| 7.7.2012 | Indianapolis Test | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 7.7.2012 | Indianapolis Test | 02 | #MkXI-002=>AA-005 | McMurray / Montoya | Chip Ganassi Racing with Felix Sabates | DNS |
| 7.7.2012 | Indianapolis Test | 2 | #MkXI-025=>AA-006? | Popow / Luhr | Starworks Motorsport | DNS |
| 7.7.2012 | Indianapolis Test | 8 | #MkXI-027=>AA-002 | Dalziel / Potolicchio | Starworks Motorsport | 7th |
| 7.7.2012 | Indianapolis Test | 60 | #AA-003 | Negri / Pew | Michael Shank Racing with Curb-Agajanian | 2nd |
| 27.7.2012 | 3 h Indianapolis | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 2nd |
| 27.7.2012 | 3 h Indianapolis | 02 | #MkXI-002=>AA-005 | Montoya / Dixon | Chip Ganassi Racing with Felix Sabates | 4th |
| 27.7.2012 | 3 h Indianapolis | 2 | #MkXI-025=>AA-006? | Bourdais / Popow | Starworks Motorsport | 1st |
| 27.7.2012 | 3 h Indianapolis | 8 | #MkXI-027=>AA-002 | Potolicchio / Dalziel | Starworks Motorsport | 17th |
| 27.7.2012 | 3 h Indianapolis | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 32nd |
| 11.8.2012 | 2 h Watkins Glen | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 3rd |
| 11.8.2012 | 2 h Watkins Glen | 2 | #MkXI-025=>AA-006? | Bourdais / Popow | Starworks Motorsport | 2nd |
| 11.8.2012 | 2 h Watkins Glen | 8 | #MkXI-027=>AA-002 | Dalziel / Luhr | Starworks Motorsport | 1st |
| 11.8.2012 | 2 h Watkins Glen | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 7th |
| 18.8.2012 | 2 h Montreal | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 1st |
| 18.8.2012 | 2 h Montreal | 2 | #MkXI-025=>AA-006? | Popow / Tagliani | Starworks Motorsport | 7th |
| 18.8.2012 | 2 h Montreal | 8 | #MkXI-027=>AA-002 | Dalziel / Tagliani | Starworks Motorsport | 8th |
| 18.8.2012 | 2 h Montreal | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 6th |
| 9.9.2012 | 2 h 45 min Laguna Seca | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 6th |
| 9.9.2012 | 2 h 45 min Laguna Seca | 2 | #MkXI-025=>AA-006? | Popow / Tagliani | Starworks Motorsport | 8th |
| 9.9.2012 | 2 h 45 min Laguna Seca | 8 | #MkXI-027=>AA-002 | Dalziel / Tagliani | Starworks Motorsport | 3rd |
| 9.9.2012 | 2 h 45 min Laguna Seca | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 4th |
| 29.9.2012 | 2 h 45 min Lime Rock | 01 | #MkXI-004=>AA-004 | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates | 7th |
| 29.9.2012 | 2 h 45 min Lime Rock | 2 | #MkXI-025=>AA-006? | Goncalvez | Starworks Motorsport | 8th |
| 29.9.2012 | 2 h 45 min Lime Rock | 8 | #MkXI-027=>AA-002 | Dalziel / Popow | Starworks Motorsport | 6th |
| 29.9.2012 | 2 h 45 min Lime Rock | 60 | #AA-003 | Pew / Negri | Michael Shank Racing with Curb-Agajanian | 10th |
| 28.10.2012 | Kansas City Test | 2 | #MkXI-025=>AA-006? | Alex Popow | Starworks Motorsport | raced |
| 28.10.2012 | Kansas City Test | 60 | #AA-003 | Allmendinger / Negri | Michael Shank Racing with Curb-Agajanian | raced |
| 14.11.2012 | Daytona November Test | 42 | #MkXI-027=>AA-002 | Nonnamaker / Cameron / Nonnamaker / Nonnamaker / Sahlen | Team Sahlen | raced |
| 14.11.2012 | Daytona November Test | 43 | #AA-009 | Nonnamaker / Cameron / Nonnamaker / Nonnamaker / Sahlen | Team Sahlen | raced |
| 14.11.2012 | Daytona November Test | 60 | #AA-003 | Negri / Pew | Michael Shank Racing with Curb-Agajanian | raced |