| 29.6.2003 | 2 h 45 min Road Atlanta | 0 | #ZFFZR49B000107633 (02) | Naspetti / Schiattarella | Team Olive Garden | 28th |
| 29.6.2003 | 500 km Donington | 9 | #F133 GT 2102 | Babini / Peter | JMB Racing | 18th |
| 29.6.2003 | 500 km Donington | 10 | #ZFFZR49B000115811 (01) | Derichebourg / Terrien / Pescatori | JMB Racing | 21st |
| 29.6.2003 | 500 km Donington | 16 | #ZFFZR49B000112133 | Kaufmann / Zoboli | Wieth Racing | NC |
| 29.6.2003 | 500 km Donington | 22 | #ZFFZR49B000108418 (CRD02) | Gollin / Cappellari | BMS Scuderia Italia | 12th |
| 29.6.2003 | 2 h 45 min Road Atlanta | 80 | #ZFFZR49B000113136 (CRD03) | Policand / Patrick | Prodrive | 10th |
| 29.6.2003 | 2 h 45 min Road Atlanta | 88 | #ZFFZR49B000108462 (CRD06) | Enge / Kox | Prodrive | 8th |
| 8.7.2003 | FIA GT Test Spa | 16 | #ZFFZR49B000112133 | | Wieth Racing | DNA |
| 8.7.2003 | FIA GT Test Spa | 21 | #ZFFZR49B000107617 (CRD01) | | Care Racing | DNA |
| 13.7.2003 | Italian GT A1-Ring | 12 | | Bertolini / Garbagnati | JMB Racing | 1st/1st |
| 14.7.2003 | FFSA GT Le Mans | 33 | | Parisi / Lesoudier | XL Racing | 12th/13th |
| 27.7.2003 | 2 h 45 min Sonoma | 0 | #ZFFZR49B000107633 (02) | Naspetti / Schiattarella | Team Olive Garden | 22nd |
| 27.7.2003 | 24 h Spa | 9 | #F133 GT 2102 | Peter / Babini / Derichebourg | JMB Racing | DNF |
| 27.7.2003 | 24 h Spa | 10 | #ZFFZR49B000115811 (01) | Terrien / Pescatori / Derichebourg | JMB Racing | DNA |
| 27.7.2003 | 24 h Spa | 16 | #ZFFZR49B000112133 | Kaufmann / Stépec / Grimm / Wieth | Wieth Racing | DNF |
| 27.7.2003 | 24 h Spa | 21 | #ZFFZR49B000107617 (CRD01) | Gounon / Policand / Cadei | Care Racing | DNS |
| 27.7.2003 | 24 h Spa | 22 | #ZFFZR49B000108418 (CRD02) | Gollin / Calderari / Cappellari / Bryner | BMS Scuderia Italia | 2nd |
| 27.7.2003 | 24 h Spa | 23 | #ZFFZR49B000112886 (CRD04) | Biagi / Bobbi / Bonaldi / Livio | BMS Scuderia Italia | DNF |
| 27.7.2003 | 2 h 45 min Sonoma | 80 | #ZFFZR49B000113136 (CRD03) | Magnussen / Brabham | Prodrive | 10th |
| 27.7.2003 | 2 h 45 min Sonoma | 88 | #ZFFZR49B000108462 (CRD06) | Kox / Enge | Prodrive | 12th |
| 3.8.2003 | 3 h Trois-Rivières | 0 | #ZFFZR49B000107633 (02) | Naspetti / Schiattarella | Team Olive Garden | 8th |
| 3.8.2003 | 3 h Trois-Rivières | 80 | #ZFFZR49B000113136 (CRD03) | Magnussen / Brabham | Prodrive | 13th |
| 3.8.2003 | 3 h Trois-Rivières | 88 | #ZFFZR49B000108462 (CRD06) | Enge / Kox | Prodrive | 20th |
| 17.8.2003 | 2 h 45 min Mosport | 0 | #ZFFZR49B000107633 (02) | Naspetti / Schiattarella | Team Olive Garden | 8th |
| 17.8.2003 | 2 h 45 min Mosport | 80 | #ZFFZR49B000113136 (CRD03) | Magnussen / Brabham | Prodrive | 6th |
| 17.8.2003 | 2 h 45 min Mosport | 88 | #ZFFZR49B000108462 (CRD06) | Enge / Kox | Prodrive | 5th |
| 24.8.2003 | 2 h 45 min Road America | 0 | #ZFFZR49B000107633 (02) | Naspetti / Schiattarella | Team Olive Garden | 8th |
| 24.8.2003 | 2 h 45 min Road America | 80 | #ZFFZR49B000113136 (CRD03) | Magnussen / Brabham | Prodrive | 4th |
| 24.8.2003 | 2 h 45 min Road America | 88 | #ZFFZR49B000108462 (CRD06) | Kox / Enge | Prodrive | 6th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 0 | #ZFFZR49B000107633 (02) | Naspetti / Auberlen | Team Olive Garden | 10th |
| 7.9.2003 | 500 km Anderstorp | 9 | #F133 GT 2102 | Babini / Peter | JMB Racing | 19th |
| 7.9.2003 | 500 km Anderstorp | 10 | #F133 GT 2104 | Pescatori / Derichebourg | JMB Racing | DNF |
| 7.9.2003 | 500 km Anderstorp | 16 | #ZFFZR49B000112133 | Kaufmann / Ring | Wieth Racing | 20th |
| 7.9.2003 | 500 km Anderstorp | 21 | #ZFFZR49B000107617 (CRD01) | Bryner / Calderari / Livio | Care Racing | 5th |
| 7.9.2003 | 500 km Anderstorp | 22 | #ZFFZR49B000108418 (CRD02) | Gollin / Cappellari | BMS Scuderia Italia | 4th |
| 7.9.2003 | 500 km Anderstorp | 23 | #ZFFZR49B000112886 (CRD04) | Bobbi / Biagi | BMS Scuderia Italia | DNF |
| 7.9.2003 | 2 h 45 min Laguna Seca | 80 | #ZFFZR49B000113136 (CRD03) | Magnussen / Brabham | Prodrive | 6th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 88 | #ZFFZR49B000108462 (CRD06) | Enge / Kox | Prodrive | DQ |
| 21.9.2003 | 500 km Oschersleben | 9 | #F133 GT 2102 | Babini / Peter | JMB Racing | DNS |
| 21.9.2003 | 500 km Oschersleben | 10 | #F133 GT 2104 | Derichebourg / Pescatori | JMB Racing | 16th |
| 21.9.2003 | 500 km Oschersleben | 16 | #ZFFZR49B000112133 | Kaufmann / Biglieri / Grimm | Wieth Racing | 12th |
| 21.9.2003 | 500 km Oschersleben | 21 | #ZFFZR49B000107617 (CRD01) | Bryner / Calderari / Livio | Care Racing | 3rd |
| 21.9.2003 | 500 km Oschersleben | 22 | #ZFFZR49B000108418 (CRD02) | Gollin / Cappellari | BMS Scuderia Italia | DNF |
| 21.9.2003 | 500 km Oschersleben | 23 | #ZFFZR49B000112886 (CRD04) | Biagi / Bobbi | BMS Scuderia Italia | 1st |
| 27.9.2003 | 2 h 45 min Miami | 0 | #ZFFZR49B000107633 (02) | Naspetti / Schiattarella | Team Olive Garden | 15th |
| 27.9.2003 | 2 h 45 min Miami | 80 | #ZFFZR49B000113136 (CRD03) | Turner / Brabham | Prodrive | 4th |
| 27.9.2003 | 2 h 45 min Miami | 88 | #ZFFZR49B000108462 (CRD06) | Kox / Enge | Prodrive | 5th |
| 28.9.2003 | FFSA GT Lédenon | 33 | #ZFFZR49B000108536 | Vannelet / Lesoudier | XL Racing | 14th/16th |
| 5.10.2003 | 500 km Estoril | 16 | #ZFFZR49B000112133 | Kaufmann / Wieth | Wieth Racing | DNF |
| 5.10.2003 | 500 km Estoril | 21 | #ZFFZR49B000107617 (CRD01) | Calderari / Bryner / Livio | Care Racing | 22nd |
| 5.10.2003 | 500 km Estoril | 22 | #ZFFZR49B000108418 (CRD02) | Gollin / Cappellari | BMS Scuderia Italia | 2nd |
| 5.10.2003 | 500 km Estoril | 23 | #ZFFZR49B000112886 (CRD04) | Bobbi / Biagi | BMS Scuderia Italia | 3rd |
| 18.10.2003 | Petit Le Mans | 0 | #ZFFZR49B000107633 (02) | Naspetti / Camathias | Team Olive Garden | 35th |
| 18.10.2003 | Petit Le Mans | 08 | #ZFFZR49B000108462 (CRD06) | Lammers / Policand / Dor | Prodrive | 11th |
| 18.10.2003 | Petit Le Mans | 80 | #ZFFZR49B000113136 (CRD03) | Brabham / Magnussen / Davidson | Prodrive | 6th |
| 18.10.2003 | Petit Le Mans | 88 | #ZFFZR49B000108612 (CRD05) | Menu / Kox / Enge | Prodrive | 5th |
| 19.10.2003 | 500 km Monza [GT] | 16 | #ZFFZR49B000112133 | Zoboli / Carli / Kaufmann | Wieth Racing | DNF |
| 19.10.2003 | 500 km Monza [GT] | 21 | #ZFFZR49B000107617 (CRD01) | Livio / Calderari / Bryner | Care Racing | 2nd |
| 19.10.2003 | 500 km Monza [GT] | 22 | #ZFFZR49B000108418 (CRD02) | Gollin / Cappellari | BMS Scuderia Italia | 1st |
| 19.10.2003 | 500 km Monza [GT] | 23 | #ZFFZR49B000112886 (CRD04) | Biagi / Bobbi | BMS Scuderia Italia | 6th |
| 26.10.2003 | FFSA GT Magny-Cours | 33 | #ZFFZR49B000108536 | Vannelet / Lesoudier | XL Racing | 14th/36th |
| 9.11.2003 | 1000 km Le Mans | 35 | #ZFFZR49B000108536 | Vannelet / Rousselot / Lesoudier | XL Racing | DNF |
| 9.11.2003 | 1000 km Le Mans | 80 | #ZFFZR49B000108612 (CRD05) | Kox / Sugden | Care Racing | 6th |
| 9.11.2003 | 1000 km Le Mans | 88 | #ZFFZR49B000113136 (CRD03) | Davies / Turner | Care Racing | 5th |
| 9.11.2003 | 6 h Vallelunga | | #ZFFZR49B000112133 | | Wieth Racing | DNA |