| 9.2.2012 | Sebring Test | 05 | #20 | Bennett / Braun | Core Autosport | 7th |
| 9.2.2012 | Sebring Test | 06 | #12 | Downs / Downs / Downs | Core Autosport | 9th |
| 9.2.2012 | Sebring Test | 5 | #19 | Guasch / Gidley | Muscle Milk Pickett Racing | 8th |
| 9.2.2012 | Sebring Test | 25 | #34 | Ende / Cameron / Lewis | Dempsey Racing | 5th |
| 9.2.2012 | Sebring Test | 52 | #21 | Junco / Leitzinger / Dobson | PR1 Mathiasen Motorsports | 6th |
| 10.3.2012 | ELMS Test Paul Ricard | 40 | | Dagoreau / Vignali / Diez de Villarroel / Merlin | Boutsen Ginion Racing | 8th |
| 10.3.2012 | ELMS Test Paul Ricard | 42 | | Keen / Hartshorne | Curtis Racing Technologies | 7th |
| 17.3.2012 | 12 h Sebring | 025 | #34 | Richard / Cameron / Ende | Dempsey Racing | DNF |
| 17.3.2012 | 12 h Sebring | 05 | #20 | Bennett / Braun / Lux | Core Autosport | 15th |
| 17.3.2012 | 12 h Sebring | 06 | #12 | Popow / Viso / Frisselle | Core Autosport | 12th |
| 17.3.2012 | 12 h Sebring | 5 | #19 | Guasch / Gidley / Wills | Muscle Milk Pickett Racing | 42nd |
| 17.3.2012 | 12 h Sebring | 7 | #1 | Ducote / Echeverria / Sanchez | Merchant Services Racing | 25th |
| 17.3.2012 | 12 h Sebring | 8 | #35 | Marcelli / Downs / Stirling | Merchant Services Racing | DNF |
| 17.3.2012 | 12 h Sebring | 9 | #15 | Drissi / Junqueira / Gonzalez | RSR Racing | 51st |
| 17.3.2012 | 12 h Sebring | 18 | #4 | Nicolosi / Vera / Matos | Performance Tech Motorsports | 49th |
| 17.3.2012 | 12 h Sebring | 52 | #21 | Leitzinger / Dobson / Junco | PR1 Mathiasen motorsports | 13th |
| 1.4.2012 | 6 h Le Castellet | 40 | | Merlin / Vignali / Dagoneau | Boutsen Ginion Racing | DNF |
| 1.4.2012 | 6 h Le Castellet | 41 | | | Sebastien Loeb Racing | DNA |
| 1.4.2012 | 6 h Le Castellet | 42 | | Kapadia / Keen / Hartshorne | Curtis Racing Technologies | 8th |
| 14.4.2012 | 2 h Long Beach | 05 | #20 | Bennett / Braun | Core Autosport | 5th |
| 14.4.2012 | 2 h Long Beach | 06 | #12 | Popow / Dalziel | Core Autosport | 3rd |
| 14.4.2012 | 2 h Long Beach | 5 | #19 | Guasch / Gidley | Muscle Milk Pickett Racing | 4th |
| 14.4.2012 | 2 h Long Beach | 7 | #1 | Burgess / Kovacic | Merchant Services Racing | 32nd |
| 14.4.2012 | 2 h Long Beach | 8 | #35 | Downs / Marcelli | Merchant Services Racing | 16th |
| 14.4.2012 | 2 h Long Beach | 9 | #15 | Drissi / Junqueira | RSR Racing | 30th |
| 14.4.2012 | 2 h Long Beach | 25 | #34 | Ende / Richard | Dempsey Racing | 18th |
| 14.4.2012 | 2 h Long Beach | 52 | #21 | Junco / Leitzinger | PR1 Mathiasen Motorsports | 22nd |
| 12.5.2012 | 6 h Laguna Seca | 05 | #20 | Bennett / Braun | Core Autosport | 3rd |
| 12.5.2012 | 6 h Laguna Seca | 06 | #12 | Popow / Kimber-Smith | Core Autosport | 5th |
| 12.5.2012 | 6 h Laguna Seca | 5 | #19 | Guasch / Gidley / Hamilton | Muscle Milk Pickett Racing | 6th |
| 12.5.2012 | 6 h Laguna Seca | 7 | #1 | Burgess / Ducote / Downs | Merchant Services Racing | 34th |
| 12.5.2012 | 6 h Laguna Seca | 8 | #35 | Marcelli / Downs / Stirling | Merchant Services Racing | 7th |
| 12.5.2012 | 6 h Laguna Seca | 9 | #15 | Drissi / Junqueira / Gonzalez | RSR Racing | 4th |
| 12.5.2012 | 6 h Laguna Seca | 18 | #4 | Nicolosi / Vera | Performance Tech Motorsports | 21st |
| 12.5.2012 | 6 h Laguna Seca | 25 | #34 | Richard / Ende / Lewis | Dempsey Racing | 16th |
| 12.5.2012 | 6 h Laguna Seca | 52 | #21 | Leitzinger / Dobson | PR1 Mathiasen Motorsports | 8th |
| 3.6.2012 | Le Mans Test | 90 | #22 | Barthez / Bazaud / Caillon | Team Oreca | 39th |
| 3.6.2012 | Le Mans Test | 91 | #10 | Richard / Ende / Palette | Team Oreca | 36th |
| 17.6.2012 | 24 h Le Mans | 90 | | Barthez / Bazaud / Caillon | Team Oreca | DNPQ |
| 17.6.2012 | 24 h Le Mans | 91 | #10 | Richard / Ende / Palette | Team Oreca | DNPQ |
| 7.7.2012 | 2 h 45 min Lime Rock | 05 | #20 | Bennett / Braun | Core Autosport | 5th |
| 7.7.2012 | 2 h 45 min Lime Rock | 06 | #12 | Popow / Kimber-Smith | Core Autosport | 6th |
| 7.7.2012 | 2 h 45 min Lime Rock | 7 | #1 | Burgess / Downs / Ducote | Merchant Services Racing | unused |
| 7.7.2012 | 2 h 45 min Lime Rock | 8 | #35 | Marcelli / Downs | Merchant Services Racing | 29th |
| 7.7.2012 | 2 h 45 min Lime Rock | 9 | #15 | Drissi / Junqueira | RSR Racing | 27th |
| 7.7.2012 | 2 h 45 min Lime Rock | 25 | #34 | Richard / Ende | Dempsey Racing | 8th |
| 7.7.2012 | 2 h 45 min Lime Rock | 52 | #21 | Leitzinger / Dobson | PR1 Mathiasen Motorsports | 19th |
| 15.7.2012 | 6 h Donington | 40 | | Dagoneau / Thiriet / Battut | Boutsen Ginion Racing | 11th |
| 22.7.2012 | 2 h 45 min Mosport | 05 | #20 | Bennett / Braun | Core Autosport | 7th |
| 22.7.2012 | 2 h 45 min Mosport | 06 | #12 | Popow / Dalziel | Core Autosport | 8th |
| 22.7.2012 | 2 h 45 min Mosport | 7 | #1 | | Merchant Services Racing | unused |
| 22.7.2012 | 2 h 45 min Mosport | 8 | #35 | Marcelli / Downs | Merchant Services Racing | 22nd |
| 22.7.2012 | 2 h 45 min Mosport | 9 | #15 | Drissi / Junqueira | RSR Racing | 6th |
| 22.7.2012 | 2 h 45 min Mosport | 18 | #4 | Nicolosi / Vera | Performance Tech Motorsports | unused |
| 22.7.2012 | 2 h 45 min Mosport | 25 | #34 | Richard / Ende | Dempsey Racing | 9th |
| 22.7.2012 | 2 h 45 min Mosport | 52 | #21 | Franchitti / Dobson | PR1 Mathiasen Motorsports | 24th |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 05 | #20 | Bennett / Braun | Core Autosport | 21st |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 06 | #12 | Popow / Dalziel | Core Autosport | 7th |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 7 | #1 | Kovacic / Burgess | Merchant Services Racing | 32nd |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 8 | #35 | Marcelli / Gonzalez | Merchant Services Racing | 8th |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 9 | #15 | Drissi / Junqueira | RSR Racing | 10th |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 25 | #34 | Richard / Ende | Dempsey Racing | 15th |
| 4.8.2012 | 2 h 45 min Mid-Ohio | 52 | #21 | Junco / Franchitti | PR1 Mathiasen Motorsports | 6th |
| 18.8.2012 | 4 h Road America | 05 | #20 | Bennett / Braun | Core Autosport | 6th |
| 18.8.2012 | 4 h Road America | 06 | #12 | Popow / Kimber-Smith | Core Autosport | 5th |
| 18.8.2012 | 4 h Road America | 7 | #1 | Downs / Downs / Downs | Merchant Services Racing | 17th |
| 18.8.2012 | 4 h Road America | 8 | #35 | French / Marcelli / Ducote | Merchant Services Racing | 7th |
| 18.8.2012 | 4 h Road America | 9 | #15 | Gonzalez / Junqueira | RSR Racing | 8th |
| 18.8.2012 | 4 h Road America | 18 | #4 | Nicolosi / Vera | Performance Tech Motorsports | unused |
| 18.8.2012 | 4 h Road America | 25 | #34 | Ende / Richard | Dempsey Racing | 10th |
| 18.8.2012 | 4 h Road America | 52 | #21 | Junco / Franchitti | PR1 Mathiasen Motorsports | 35th |
| 1.9.2012 | 2 h Baltimore | 05 | #20 | Bennett / Braun | Core Autosport | 29th |
| 1.9.2012 | 2 h Baltimore | 06 | #12 | Popow / Dalziel | Core Autosport | 3rd |
| 1.9.2012 | 2 h Baltimore | 7 | #1 | Downs / Downs | Merchant Services Racing | 25th |
| 1.9.2012 | 2 h Baltimore | 8 | #35 | Burgess / Marcelli | Merchant Services Racing | 28th |
| 1.9.2012 | 2 h Baltimore | 9 | #15 | Drissi / Junqueira | RSR Racing | 10th |
| 1.9.2012 | 2 h Baltimore | 18 | #4 | Younessi | Performance Tech Motorsports | 30th |
| 1.9.2012 | 2 h Baltimore | 25 | #34 | Richard / Ende | Dempsey Racing | 16th |
| 15.9.2012 | 4 h Virginia | 05 | #20 | Bennett / Braun | Core Autosport | 5th |
| 15.9.2012 | 4 h Virginia | 06 | #12 | Popow / Kimber-Smith | Core Autosport | 7th |
| 15.9.2012 | 4 h Virginia | 7 | #1 | Lux / Burgess / Sanchez | Merchant Services Racing | 18th |
| 15.9.2012 | 4 h Virginia | 8 | #35 | Marcelli / Downs | Merchant Services Racing | 30th |
| 15.9.2012 | 4 h Virginia | 9 | #15 | Drissi / Junqueira | RSR Racing | 12th |
| 15.9.2012 | 4 h Virginia | 25 | #34 | Richard / Ende | Dempsey Racing | 14th |
| 15.9.2012 | 4 h Virginia | 52 | #21 | Junco / Franchitti | PR1 Mathiasen Motorsports | 6th |
| 20.10.2012 | Petit Le Mans | 05 | #20 | Braun / Bennett / Gonzalez | Core Autosport | 10th |
| 20.10.2012 | Petit Le Mans | 06 | #12 | Popow / Dalziel / Wilkins | Core Autosport | 6th |
| 20.10.2012 | Petit Le Mans | 7 | #1 | | Merchant Services Racing | unused |
| 20.10.2012 | Petit Le Mans | 8 | #35 | Downs / Marcelli / Ducote | Merchant Services Racing | 11th |
| 20.10.2012 | Petit Le Mans | 9 | #15 | Drissi / Junqueira / Vera | RSR Racing | 8th |
| 20.10.2012 | Petit Le Mans | 25 | #34 | Lewis / Richard / Ende | Dempsey Racing | 18th |
| 20.10.2012 | Petit Le Mans | 52 | #21 | Junco / Dobson / Julian | PR1 Mathiasen Motorsports | 9th |