| 5.1.2004 | Daytona Test | 11 | #ZFFYR51B000118459 (007M) | Alexander / Gay / Alessi | JMB Racing USA | 25th |
| 5.1.2004 | Daytona Test | 73 | #ZFFYR51B000122534 (013M) | Engelhorn / Peter / Montermini / Quester | Red Bull BE Racing | 26th |
| 1.2.2004 | 24 h Daytona | 11 | #ZFFYR51B000118459 (007M) | Alexander / Alessi | JMB Racing USA | 52nd |
| 1.2.2004 | 24 h Daytona | 73 | #ZFFYR51B000122534 (013M) | Peter / Montermini / Engelhorn / Quester | Red Bull BE Racing | 6th |
| 1.2.2004 | 24 h Daytona | 93 | #ZFFYR51B000123437 | Drudi / Monfardini / Meneghello / Colasacco / Fonferko | Mastercar | 36th |
| 1.2.2004 | 24 h Daytona | 94 | #ZFFYR51B000122578 (010M) | Casadei / Labhardt / Jurasz / Michaelian | Mastercar | 32nd |
| 28.2.2004 | 250 mile Homestead | 11 | #ZFFYR51B000118459 (007M) | Alessi / Gay | JMB Racing USA | DNA |
| 28.2.2004 | 250 mile Homestead | 35 | #ZFFYR51B000123035 | Jermoluk / Kennedy | Scuderia Ferrari of Washington | 34th |
| 28.2.2004 | 250 mile Homestead | 76 | #ZFFYR51B000118781 (016M) | Bell / Langston / Jennings | CRL Motorsports | DNA |
| 5.3.2004 | FIA GT Test Monza | 58 | #2040 | Ermolli / Hiesse | Auto Palace | 15th |
| 5.3.2004 | FIA GT Test Monza | 59 | #ZFFYR51B000123437 | Drudi / Rosa / Monti | Mastercar | 13th |
| 20.3.2004 | 12 h Sebring | 07 | | | United Nations Motorsports | DNA |
| 20.3.2004 | 12 h Sebring | 35 | #2056 | Kelleners / Lazzaro / Bobbi | Risi Competizione | 16th |
| 20.3.2004 | 12 h Sebring | 77 | | | United Nations Motorsports | DNA |
| 28.3.2004 | Italian GT Imola | 51 | #2060 | Chiesa / Kessel | Kessel Racing | 3rd/5th |
| 28.3.2004 | 500 km Monza [GT] | 51 | | | Zakspeed | DNA |
| 28.3.2004 | 500 km Monza [GT] | 52 | | | Zakspeed | DNA |
| 28.3.2004 | Italian GT Imola | 54 | | Drudi / Monti | MasterCar | 7th/6th |
| 28.3.2004 | Italian GT Imola | 55 | | Bortignon / Venier | MasterCar | 19th/9th |
| 28.3.2004 | Italian GT Imola | 61 | #2064 | Francescon / Berton | Mik Corse | 4th/8th |
| 28.3.2004 | 500 km Monza [GT] | 62 | #2050 | de Simone / Pescatori | G.P.C. Giesse Squadra Corse | 8th |
| 4.4.2004 | GT Aida | 10 | | Tanaka / Yogou | Team Gainer | 16th |
| 4.4.2004 | GT Aida | 11 | | Matsuda / Suga | Team Gainer | 25th |
| 4.4.2004 | British GT Donington | 34 | | Niarchos / Mullen | Scuderia Ecosse | 25th/9th |
| 4.4.2004 | British GT Donington | 35 | | Kinch / Kirkaldy | Scuderia Ecosse | 7th/1st |
| 4.4.2004 | British GT Donington | 39 | #ZFFYR51B000115767 | Attard / Adams | Damax | 18th/12th |
| 4.4.2004 | British GT Donington | 62 | | Wilcox / Amorim | DRM Racing | 10th/11th |
| 4.4.2004 | British GT Donington | 67 | | da Veiga / Moore | DRM Racing | 17th/14th |
| 4.4.2004 | British GT Donington | 71 | | Lester / Robinson | Lester/Glenvarigill Racing | DNS |
| 4.4.2004 | British GT Donington | 79 | | Back / Catt | Damax | DNF/17th |
| 7.4.2004 | LMS Test Paul Ricard | | | Hiesse / Ermolli | Auto Palace | 13th |
| 7.4.2004 | LMS Test Paul Ricard | | #2040 | Hiesse / Ermolli | Auto Palace | 14th |
| 10.4.2004 | 250 mile Phoenix | 11 | #ZFFYR51B000118459 (007M) | Alessi / Gay | JMB Racing USA | DNA |
| 10.4.2004 | 250 mile Phoenix | 35 | #ZFFYR51B000123035 | Kennedy / Jermoluk | Scuderia Ferrari of Washington | 25th |
| 18.4.2004 | Italian GT Monza | 51 | #2060 | Kessel / Chiesa | Loris Kessel Racing | 4th/5th |
| 18.4.2004 | Italian GT Monza | 54 | | Monti / Drudi | Mastercar SRL | 9th/12th |
| 18.4.2004 | 500 km Valencia | 58 | #ZFFYR51B000122903 (004M) | Vivancos / Reyes | Darro Motor Racing | DNF |
| 18.4.2004 | Italian GT Monza | 61 | #2064 | Francescon / Berton | MIK Corse SRL | 8th/9th |
| 18.4.2004 | 500 km Valencia | 62 | #2050 | de Simone / Pescatori | G.P.C. Giesse Squadra Corse | 10th |
| 25.4.2004 | Spanish GT Albacete | 14 | | Névoa / Venier | Yellow Racing Team | DNS/9th |
| 25.4.2004 | Spanish GT Albacete | 15 | | Luis Monzón | Darro Motor Racing | - |
| 25.4.2004 | Spanish GT Albacete | 21 | | Cerqueda / Pérez-Sala | Automovil Club de Andorra | 8th/5th |
| 25.4.2004 | Spanish GT Albacete | 22 | | Puig / Vinyes | Sergio Borrell Gallardo | DNF/18th |
| 25.4.2004 | Spanish GT Albacete | 23 | | Vicente Saez-Merino | Circuito Cumunidad Valenciana | 4th/7th |
| 25.4.2004 | Spanish GT Albacete | 24 | | Watson / De Mollinedo | Club Motor Circuito Jerez | 14th/17th |
| 25.4.2004 | Spanish GT Albacete | 27 | | Cutillas / Garcia Galiano | Antonio Cutillas | 10th/11th |
| 25.4.2004 | Le Mans Test | 70 | #2004 | Melo / Daoudi / de Fournoux | JMB Racing | 38th |
| 25.4.2004 | Le Mans Test | 92 | #2062 | Mountain / Wilson / Brooks | Cirtek Motorsport | 46th |
| 2.5.2004 | Italian GT Magione | 51 | #2060 | Kessel / Chiesa | Loris Kessel Racing | 6th/4th |
| 2.5.2004 | Italian GT Magione | 54 | | Monti / Drudi | Mastercar SRL | 7th/8th |
| 2.5.2004 | Italian GT Magione | 61 | #2064 | Francescon / Berton | Mik Corse SRL | 5th/DNF |
| 2.5.2004 | 500 km Magny-Cours | 62 | #2050 | Pescatori / de Simone | GPC Giesse Squadra Corse | DNF |
| 9.5.2004 | British GT Mondello Park | 34 | | Niarchos / Mullen | Scuderia Ecosse | 3rd/5th |
| 9.5.2004 | British GT Mondello Park | 35 | | Kinch / Kirkaldy | Scuderia Ecosse | 4th/3rd |
| 9.5.2004 | British GT Mondello Park | 62 | | Wilcox / Amorim | DRM Racing | 9th/11th |
| 9.5.2004 | British GT Mondello Park | 67 | | da Veiga / Moore | DRM Racing | DNF/DNS |
| 9.5.2004 | 1000 km Monza | 70 | #2004 | Melo / Daoudi / Rusinov | JMB Racing | 12th |
| 9.5.2004 | British GT Mondello Park | 71 | | Lester / Robinson | Glenvarigill Racing | 15th/19th |
| 9.5.2004 | 1000 km Monza | 75 | | | Mastercar | DNA |
| 9.5.2004 | 1000 km Monza | 92 | #2062 | Wilson / Hugenholtz / Mountain | Cirtek Motorsport | 17th |
| 9.5.2004 | 1000 km Monza | 97 | #2040 | Hiesse / Ermolli / Lavaggi | Auto Palace | DNF |
| 16.5.2004 | Italian GT Mugello | 51 | #2060 | Kessel / Chiesa | Loris Kessel Racing | DQ/6th |
| 16.5.2004 | Italian GT Mugello | 54 | | Drudi / Monti | Mastercar | DNF/14th |
| 16.5.2004 | Italian GT Mugello | 61 | #2064 | Francescon / Berton | MIK Corse | DNF/5th |
| 16.5.2004 | 500 km Hockenheim | 62 | #2050 | de Simone / Pescatori | G.P.C. Giesse Squadra Corse | 10th |
| 23.5.2004 | Sugo GT | 10 | | Tanaka / Yogou | Team Gainer | 19th |
| 23.5.2004 | 6 h Mont-Tremblant | 11 | #ZFFYR51B000118459 (007M) | Alexander / Gay / Mediani | JMB Racing USA | 35th |
| 23.5.2004 | Sugo GT | 11 | | Matsuda / Suga | Team Gainer | 14th |
| 23.5.2004 | Spanish GT Jarama | 14 | | Pedro Névoa | Yellow Racing Team | DNS |
| 23.5.2004 | Spanish GT Jarama | 16 | | Monzón / Villaamil | Canarias Sport Club | 6th/4th |
| 23.5.2004 | Spanish GT Jarama | 18 | | Névoa / De Luigi | Yellow Racing Team | 12th/DNS |
| 23.5.2004 | Spanish GT Jarama | 21 | | Cerqueda / Pérez-Sala | Automovil Club de Andorra | 10th/10th |
| 23.5.2004 | Spanish GT Jarama | 22 | | Puig / Vinyes | Sergio Borrell Gallardo | 9th/8th |
| 23.5.2004 | Spanish GT Jarama | 23 | | Vicente Saez-Merino | Circuito Comunidad Valenciana | 11th/12th |
| 23.5.2004 | Spanish GT Jarama | 24 | | Watson / De Mollinedo | Club Motor Circuito Jerez | 22nd/DNF |
| 23.5.2004 | Spanish GT Jarama | 27 | | Cutillas / Garcia Galiano | Antonio Cutillas | 13th/13th |
| 23.5.2004 | 6 h Mont-Tremblant | 35 | #ZFFYR51B000123035 | Jermoluk / Kennedy | Scuderia Ferrari of Washington | DNA |
| 23.5.2004 | 6 h Mont-Tremblant | 85 | #2024 | Stroll / Longhi / Rehm | Falcon Racing | 21st |
| 30.5.2004 | Italian GT Pergusa | 51 | #2060 | Kessel / Chiesa | Loris Kessel Racing | 4th/3rd |
| 30.5.2004 | Italian GT Pergusa | 54 | | Monti / Drudi | Mastercar SRL | 3rd/5th |
| 30.5.2004 | Italian GT Pergusa | 61 | #2064 | Piccolo / Berton | MIK Corse SRL | 16th/2nd |
| 30.5.2004 | 500 km Brno | 62 | #2050 | Pescatori / de Simone | G.P.C. Giesse Squadra Corse | 10th |
| 30.5.2004 | Italian GT Pergusa | 62 | | Ferrari / Merzario | Squadra Corse La.Na. | 7th/18th |
| 6.6.2004 | British GT Snetterton | 34 | | Mullen / Barff | Scuderia Ecosse | 4th/6th |
| 6.6.2004 | British GT Snetterton | 35 | | Kinch / Kirkaldy | Scuderia Ecosse | 1st/1st |
| 6.6.2004 | British GT Snetterton | 62 | | Wilcox / Amorim | DRM Racing | 11th/DNF |