| 28.9.2003 | FFSA GT Lédenon | 27 | 360 Modena GT | Emeric / Maximin | Auto Palace | - |
| 28.9.2003 | FFSA GT Lédenon | 84 | 360 Modena Challenge | Nouvel / Wozniak | PCR/VDO | 29th/19th |
| 28.9.2003 | FFSA GT Lédenon | 91 | 360 Modena Challenge | Mangifesta / Prette | Auto Palace | 27th/26th |
| 5.10.2003 | 500 km Estoril | 9 | 575 Maranello GTC | Babini / Peter | JMB Racing | 1st |
| 5.10.2003 | 500 km Estoril | 10 | 575 Maranello GTC | Derichebourg / Pescatori | JMB Racing | DNF |
| 5.10.2003 | 500 km Estoril | 16 | 550 Maranello GTS | Kaufmann / Wieth | Wieth Racing | DNF |
| 5.10.2003 | 500 km Estoril | 21 | 550 Maranello GTS | Calderari / Bryner / Livio | Care Racing | 22nd |
| 5.10.2003 | 500 km Estoril | 22 | 550 Maranello GTS | Gollin / Cappellari | BMS Scuderia Italia | 2nd |
| 5.10.2003 | 500 km Estoril | 23 | 550 Maranello GTS | Bobbi / Biagi | BMS Scuderia Italia | 3rd |
| 5.10.2003 | 400 km Virginia | 28 | 360 Modena Challenge | Segal / Wilson / Hyman | Scuderia Ferrari of Washington | 14th |
| 5.10.2003 | 400 km Virginia | 33 | 360 Modena GT | Wagner / Martini | Scuderia Ferrari of Washington | 5th |
| 5.10.2003 | 500 km Estoril | 52 | 360 Modena GT | Bertolini / de Simone | JMB Racing | 8th |
| 5.10.2003 | 500 km Estoril | 53 | 360 Modena N-GT | Gosse / Kutemann | JMB Racing | 19th |
| 5.10.2003 | 500 km Estoril | 57 | 360 Modena GT | Pergl / Janiš | Menx | 13th |
| 5.10.2003 | 500 km Estoril | 58 | 360 Modena GT | | Auto Palace | DNA |
| 5.10.2003 | 500 km Estoril | 70 | 360 Modena | Névoa / Venier | Yellow Racing | DNF |
| 5.10.2003 | 500 km Estoril | 88 | 360 Modena N-GT | Turner / Davies | Team Maranello Concessionaires | 9th |
| 5.10.2003 | 500 km Estoril | 89 | 360 Modena GT | Mullen / Burt | Team Maranello Concessionaires | 17th |
| 12.10.2003 | Spanish GT Jerez | 20 | 360 Modena N-GT | Engelorn / Montermini | Mastercar | 4th/DNF |
| 12.10.2003 | Spanish GT Jerez | 21 | 360 Modena Challenge | Cerqueda / Pérez-Sala | Gabord Competicion | 10th/9th |
| 12.10.2003 | Spanish GT Jerez | 22 | 360 Modena Challenge | Saez-Merino / Ugalde Mortal | Circuito Comunidad Valenciana | DNS/5th |
| 12.10.2003 | Spanish GT Jerez | 23 | 360 Modena Challenge | Puig / Vinyes | Gabord Competicion | 12th/7th |
| 12.10.2003 | Spanish GT Jerez | 24 | 360 Modena Challenge | Watson / De Mollinedo | Club Motor Circuito De Jerez | 16th/10th |
| 12.10.2003 | Spanish GT Jerez | 25 | 360 Modena Challenge | Goiburu / Costa | Antonio Cano | 8th/12th |
| 18.10.2003 | Petit Le Mans | 0 | 550 Maranello | Naspetti / Camathias | Team Olive Garden | 35th |
| 18.10.2003 | Petit Le Mans | 08 | 550 Maranello GTS | Lammers / Policand / Dor | Prodrive | 11th |
| 18.10.2003 | Petit Le Mans | 28 | 360 Modena N-GT | Grégoire / Earle / Shearer | JMB Racing USA | DNS |
| 18.10.2003 | Petit Le Mans | 29 | 360 Modena N-GT | Alexander / Salazar / Earle / Shearer / Neuhaus | JMB Racing USA | DNA |
| 18.10.2003 | Petit Le Mans | 35 | 360 Modena GT | Kelleners / Lazzaro | Risi Competizione | 13th |
| 18.10.2003 | Petit Le Mans | 63 | 360 Modena GT | Law / Lewis / Borcheller | Acemco Motorsports, LLC | 18th |
| 18.10.2003 | Petit Le Mans | 80 | 550 Maranello GTS | Brabham / Magnussen / Davidson | Prodrive | 6th |
| 18.10.2003 | Petit Le Mans | 88 | 550 Maranello GTS | Menu / Kox / Enge | Prodrive | 5th |
| 19.10.2003 | 500 km Monza [GT] | 9 | 575 Maranello GTC | Peter / Babini | JMB Racing | 4th |
| 19.10.2003 | 500 km Monza [GT] | 10 | 575 Maranello GTC | Pescatori / Derichebourg | JMB Racing | 5th |
| 19.10.2003 | 500 km Monza [GT] | 16 | 550 Maranello GTS | Zoboli / Carli / Kaufmann | Wieth Racing | DNF |
| 19.10.2003 | 500 km Monza [GT] | 21 | 550 Maranello GTS | Livio / Calderari / Bryner | Care Racing | 2nd |
| 19.10.2003 | 500 km Monza [GT] | 22 | 550 Maranello GTS | Gollin / Cappellari | BMS Scuderia Italia | 1st |
| 19.10.2003 | 500 km Monza [GT] | 23 | 550 Maranello GTS | Biagi / Bobbi | BMS Scuderia Italia | 6th |
| 19.10.2003 | 500 km Monza [GT] | 52 | 360 Modena GT | Bertolini / de Simone | JMB Racing | 9th |
| 19.10.2003 | 500 km Monza [GT] | 53 | 360 Modena N-GT | Kutemann / Gosse | JMB Racing | 15th |
| 19.10.2003 | 500 km Monza [GT] | 57 | 360 Modena GT | Pergl / Janiš | Menx | DNF |
| 19.10.2003 | 500 km Monza [GT] | 58 | 360 Modena GT | Hiesse / Ermolli | Auto Palace | 24th |
| 19.10.2003 | 500 km Monza [GT] | 70 | 360 Modena | Venier / Cochet | Yellow Racing Team | DNS |
| 19.10.2003 | 500 km Monza [GT] | 71 | 360 Modena N-GT | Bertoli / "Base Up" / Montermini | Mastercar | DNF |
| 19.10.2003 | 500 km Monza [GT] | 88 | 360 Modena N-GT | Turner / Davies | Team Maranello Concessionaires | 19th |
| 19.10.2003 | 500 km Monza [GT] | 89 | 360 Modena GT | Burt / Mullen | Team Maranello Concessionaires | NC |
| 26.10.2003 | Autopolis GT | 11 | 360 Modena (GF-F360) | Matsuda / Tanaka | Team Gainer | 15th |
| 26.10.2003 | FFSA GT Magny-Cours | 27 | 360 Modena GT | Maximin / Emeric | Auto Palace | - |
| 26.10.2003 | FFSA GT Magny-Cours | 28 | 360 Modena GT | Muller / Hiesse | Auto Palace | DNF/31st |
| 26.10.2003 | FFSA GT Magny-Cours | 33 | 550 Maranello | Vannelet / Lesoudier | XL Racing | 14th/36th |
| 26.10.2003 | FFSA GT Magny-Cours | 84 | 360 Modena Challenge | Voilette / Wozniak | PCR/VDO | 40th/DNS |
| 26.10.2003 | FFSA GT Magny-Cours | 91 | 360 Modena Challenge | Mangifesta / Prette | Auto Palace | 39th/23rd |
| 2.11.2003 | 3 h Daytona | 04 | 360 Modena GT | West / Ash, Jr. | Scuderia Ferrari of Washington | 24th |
| 2.11.2003 | 3 h Daytona | 33 | 360 Modena GT | Wagner / Martini | Scuderia Ferrari of Washington | 7th |
| 2.11.2003 | 3 h Daytona | 88 | 360 Modena Challenge | Assentato / Longhi | Scuderia Ferrari of Washington | 14th |
| 9.11.2003 | 6 h Vallelunga | 20 | 360 Modena | Kutemann / Gosse / Pregliasco | JMB Racing | 7th |
| 9.11.2003 | Spanish GT Barcelona | 21 | 360 Modena Challenge | Cerqueda / Pérez-Sala | Gabord Competicion | 19th |
| 9.11.2003 | 6 h Vallelunga | 21 | 360 Modena | Bertolini / Garbagnati / de Simone | JMB Racing | DQ |
| 9.11.2003 | 6 h Vallelunga | 22 | 360 Modena N-GT | Gay / Alessi / Zacchia | JMB Racing | 15th |
| 9.11.2003 | Spanish GT Barcelona | 22 | 360 Modena Challenge | Saez-Merino / Ugalde Mortal | Circuito Comunidad Valenciana | 22nd |
| 9.11.2003 | Spanish GT Barcelona | 23 | 360 Modena Challenge | Puig / Vinyes | Gabord Competicion | 17th |
| 9.11.2003 | Spanish GT Barcelona | 24 | 360 Modena Challenge | Watson / De Mollinedo | Club Motor Circuito De Jerez | 31st |
| 9.11.2003 | Spanish GT Barcelona | 25 | 360 Modena Challenge | Goiburu / Costa | Antonio Cano | 24th |
| 9.11.2003 | 6 h Vallelunga | 25 | 360 Modena N-GT | Drudi / Bertoli / Morini | Mastercar | 16th |
| 9.11.2003 | 1000 km Le Mans | 30 | 360 Modena GT | Mullen / Franchitti / Niarchos | Scuderia Ecosse | 16th |
| 9.11.2003 | 1000 km Le Mans | 35 | 550 Maranello | Vannelet / Rousselot / Lesoudier | XL Racing | DNF |
| 9.11.2003 | 6 h Vallelunga | 42 | F40 | Baldi / Montani / Jones | Simpson Eng. | DNF |
| 9.11.2003 | 6 h Vallelunga | 44 | 360 Modena | Toti / Faricciotti | Mastercar | DNF |
| 9.11.2003 | 1000 km Le Mans | 47 | 360 Modena GT | Peter / Montermini / Engelhorn | Cirtek Motorsport | 10th |
| 9.11.2003 | Spanish GT Barcelona | 49 | 360 Modena Challenge | Cano / Diaz Mata | Skualo Competicion | DNS |
| 9.11.2003 | 6 h Vallelunga | 51 | 360 Modena Challenge | Raichegger / Ribaudo / Kemenater | Team Pellin | DNF |
| 9.11.2003 | 6 h Vallelunga | 52 | 360 Modena Challenge | Lucchetti / Poteliumas | Scuderia Veregra | DNF |
| 9.11.2003 | 6 h Vallelunga | 53 | 360 Modena Challenge | Ferrari / Turriziani / Sperati | S.C. La.Na | DNF |
| 9.11.2003 | Spanish GT Barcelona | 54 | 360 Modena Challenge | Harmsen / Schaefer | Holger Harmsen | 28th |
| 9.11.2003 | 1000 km Le Mans | 80 | 550 Maranello GTS | Kox / Sugden | Care Racing | 6th |
| 9.11.2003 | 1000 km Le Mans | 88 | 550 Maranello GTS | Davies / Turner | Care Racing | 5th |
| 9.11.2003 | 6 h Vallelunga | | 360 Modena | | Superchallenge | DNA |
| 9.11.2003 | 6 h Vallelunga | | 550 Maranello GTS | | Wieth Racing | DNA |
| 16.11.2003 | 300 km Suzuka | 11 | 360 Modena (GF-F360) | Matsuda / Tanaka | Team Gainer | 28th |