| 1.7.2004 | 250 mile Daytona | 08 | #WP0ZZZ99Z4S698032 | | Autometrics Motorsports | DNA |
| 1.7.2004 | 250 mile Daytona | 13 | #WP0ZZZ99Z2S698009 | Davis / Cawley | Foxhill Racing | DNA |
| 1.7.2004 | 250 mile Daytona | 14 | #WP0ZZZ99ZYS698009 | Friedman / Keen | Autometrics Motorsports | 30th |
| 1.7.2004 | 250 mile Daytona | 36 | #WP0ZZZ99Z4S698043 | Levitas / Pobst | TPC Racing | 35th |
| 1.7.2004 | 250 mile Daytona | 43 | #WP0ZZZ99Z1S698038 | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | DNS |
| 1.7.2004 | 250 mile Daytona | 71 | #WP0ZZZ99Z4S698044 | Wilkins / Lacey | Doncaster Racing | DNA |
| 1.7.2004 | 250 mile Daytona | 73 | #WP0ZZZ99Z3S698070 | Tafel / Baldwin | Baldwin-Tafel Racing | 28th |
| 1.7.2004 | 250 mile Daytona | 82 | #WP0ZZZ99Z1S698055 | Steven Lynn | dds Racing | DNA |
| 1.7.2004 | 250 mile Daytona | 86 | #WP0ZZZ99Z1S698019 | Van Wijk / Culver | G&W Motorsports | 26th |
| 1.7.2004 | 250 mile Daytona | 91 | #WP0ZZZ99Z4S698024 | Julien / Dumoulin | Doncaster Racing | DNA |
| 4.7.2004 | Belcar Nürburgring | 34 | #WP0ZZZ99Z1S698024 | Verhoeven / Döring | Jean-Pierre Verhoeven | 17th |
| 4.7.2004 | Belcar Nürburgring | 39 | | Vancraeynest / Dentant | Frank Vancraeynest | 26th |
| 4.7.2004 | Belcar Nürburgring | 44 | | de Gastines / de Craene | Bokkenrijders | DNF |
| 4.7.2004 | Belcar Nürburgring | 49 | | Van Rossem / Sluszny | Excelsior | 30th |
| 4.7.2004 | Belcar Nürburgring | 50 | | Harris / Greensall | BS Motorsport Ltd. | 18th |
| 4.7.2004 | Belcar Nürburgring | 56 | | Van den Branden / Nelissen-Grade | Bokkenrijders | 34th |
| 6.7.2004 | FIA GT Test Spa | 124 | #WP0ZZZ99Z3S698187 | Thiim / Abbelen | Mühlner Motorsport | raced |
| 18.7.2004 | British GT Oulton Park | 66 | | Chambers / Caine | JWR/Chambers Runfold plc | DNF/15th |
| 18.7.2004 | British GT Oulton Park | 70 | | Broster / Brown | ABG Motorsport | 9th/13th |
| 18.7.2004 | British GT Oulton Park | 76 | | Lesniewski / Sharpe | Tech 9 Motorsport | 15th/10th |
| 18.7.2004 | British GT Oulton Park | 77 | | Wood / Scott | JWR-Cambridge Business Travel/ART | 12th/18th |
| 1.8.2004 | 24 h Spa | 111 | #WP0ZZZ99ZYS698017 | Chaillet / Coenen / Bruno | Patrick Chaillet | DNF |
| 1.8.2004 | 24 h Spa | 112 | | Bigourie / Tremblay | Banking Competition | DNA |
| 1.8.2004 | 24 h Spa | 121 | #unnumbered | Vollebergh / Schreurs / Van Rossem / Sluszny | Renstal Excelsior | 15th |
| 1.8.2004 | 24 h Spa | 123 | #WP0ZZZ99Z3S698176 | Hemroulle / Wyss / Ickx | Mühlner Motorsport | 10th |
| 1.8.2004 | 24 h Spa | 124 | #WP0ZZZ99Z3S698187 | Thiim / Bermes / Reis | Mühlner Motorsport | 11th |
| 7.8.2004 | 250 mile Mid-Ohio | 04 | #WP0ZZZ99Z1S698101 | Brix / Sigal | Grease Monkey Racing | T-car |
| 7.8.2004 | 250 mile Mid-Ohio | 04T | #WP0ZZZ99Z4S698041 | Brix / Sigal | Grease Monkey Racing | 24th |
| 7.8.2004 | 250 mile Mid-Ohio | 14 | #WP0ZZZ99ZYS698009 | Friedman / Patch | Autometrics Motorsports | 30th |
| 7.8.2004 | 250 mile Mid-Ohio | 36 | #WP0ZZZ99Z4S698043 | Levitas / Dumoulin | TPC Racing | 22nd |
| 7.8.2004 | 250 mile Mid-Ohio | 37 | #WP0ZZZ99Z4S698025 | Littlechild / Zacharias | TPC Racing | 27th |
| 7.8.2004 | 250 mile Mid-Ohio | 38 | #WP0ZZZ99Z4S698053 | Bunting / Lally | TPC Racing | 21st |
| 7.8.2004 | 250 mile Mid-Ohio | 41 | #WP0ZZZ99Z2S698007 | Nonnamaker | Orison-Planet Earth Motorsports | 20th |
| 7.8.2004 | 250 mile Mid-Ohio | 42 | #WP0ZZZ99Z1S698095 | Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 25th |
| 7.8.2004 | 250 mile Mid-Ohio | 43 | #WP0ZZZ99Z1S698038 | Nonnamaker / Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | DNS |
| 7.8.2004 | 250 mile Mid-Ohio | 47 | #WP0ZZZ99Z3S698069 | Ward / Baughman | Michael Baughman Racing | 26th |
| 7.8.2004 | 250 mile Mid-Ohio | 73 | #WP0ZZZ99Z3S698070 | Tafel / Baldwin | Baldwin-Tafel Racing | 23rd |
| 7.8.2004 | 250 mile Mid-Ohio | 86 | #WP0ZZZ99Z1S698019 | Van Wijk / Marshall | G&W Motorsports | DNS |
| 8.8.2004 | Euro GT Zandvoort | 58 | | Dirk Schultz | Dirk Schultz | 15th |
| 8.8.2004 | Euro GT Zandvoort | 59 | | Bakker / Bakker | Team Bakker | 9th |
| 8.8.2004 | Euro GT Zandvoort | 60 | | Guus Backelandt | B-fast Porsche Competition | 11th |
| 8.8.2004 | Interserie Lausitzring | | | Robert Römer | | 2nd |
| 13.8.2004 | 200 mile Watkins Glen | 04 | #WP0ZZZ99Z4S698041 | Sigal / Brix | Grease Monkey Racing | 22nd |
| 13.8.2004 | 200 mile Watkins Glen | 13 | #WP0ZZZ99Z2S698009 | Davis / Cawley | Foxhill Racing | DNA |
| 13.8.2004 | 200 mile Watkins Glen | 14 | #WP0ZZZ99ZYS698009 | Friedman / Wilson | Autometrics Motorsports | DNA |
| 13.8.2004 | 200 mile Watkins Glen | 16 | #WP0ZZZ99Z4S698039 | Murry / Stanton | AASCO Motorsports | DNA |
| 13.8.2004 | 200 mile Watkins Glen | 17 | | Kunz / Webber | AASCO Motorsports | DNA |
| 13.8.2004 | 200 mile Watkins Glen | 36 | #WP0ZZZ99Z4S698043 | Levitas | TPC Racing | 28th |
| 13.8.2004 | 200 mile Watkins Glen | 37 | #WP0ZZZ99Z4S698025 | Littlechild / Pumpelly | TPC Racing | 16th |
| 13.8.2004 | 200 mile Watkins Glen | 38 | #WP0ZZZ99Z4S698053 | Bunting / Lally | TPC Racing | 17th |
| 13.8.2004 | 200 mile Watkins Glen | 41 | #WP0ZZZ99Z2S698007 | Stanton | Orison-Planet Earth Motorsports | 30th |
| 13.8.2004 | 200 mile Watkins Glen | 42 | #WP0ZZZ99Z1S698095 | Wayne Nonnamaker | Orison-Planet Earth Motorsports | 24th |
| 13.8.2004 | 200 mile Watkins Glen | 43 | #WP0ZZZ99Z1S698038 | Nonnamaker | Orison-Planet Earth Motorsports | 20th |
| 13.8.2004 | 200 mile Watkins Glen | 47 | #WP0ZZZ99Z3S698069 | Ward / Baughman | Michael Baughman Racing | 23rd |
| 13.8.2004 | 200 mile Watkins Glen | 71 | #WP0ZZZ99Z4S698044 | Lacey / Wilkins / Dumoulin | Doncaster Racing | DNA |
| 13.8.2004 | 200 mile Watkins Glen | 73 | #WP0ZZZ99Z3S698070 | Tafel / Baldwin | Baldwin-Tafel Racing | 25th |
| 13.8.2004 | 200 mile Watkins Glen | 82 | #WP0ZZZ99Z1S698055 | Steven Lynn | dds Racing | DNA |
| 13.8.2004 | 200 mile Watkins Glen | 86 | #WP0ZZZ99Z1S698019 | Van Wijk / Trentini / Van Der Dys | G&W Motorsports | DNA |
| 15.8.2004 | British GT Silverstone | 66 | | Chambers / Caine | JWR-Chambers Runfold plc | DNF/4th |
| 15.8.2004 | British GT Silverstone | 70 | | Broster / Brown | ABG Motorsport | 14th/DNF |
| 15.8.2004 | British GT Silverstone | 76 | | Lesniewski / Sharpe | Tech 9 Motorsport | 10th/15th |
| 15.8.2004 | British GT Silverstone | 77 | | Wood / Scott | JWR-Cambridge Business Travel/ART | 17th/17th |
| 22.8.2004 | 24 h Zolder | 8 | | Vosse / Mollekens / Bouvy | PSI Motorsport | 14th |
| 22.8.2004 | 24 h Zolder | 38 | | Vollebergh / De Laet / Van Rossem / Sluszny | Excelsior | 7th |
| 22.8.2004 | 24 h Zolder | 39 | | Vancraeynest / Dentant / Olivier | F. Vancraeynest | DNF |
| 22.8.2004 | 24 h Zolder | 44 | | de Gastines / de Craene / Bartha | Bokkenrijders | DNF |
| 22.8.2004 | 24 h Zolder | 56 | | Van den Branden / Nelissen-Grade / Heyman / Van Hoof | Bokkenrijders | 11th |
| 22.8.2004 | 24 h Zolder | 60 | | Cloet / Cloet / Dumarey / Daems | Duindistel | 9th |
| 30.8.2004 | British GT Thruxton | 66 | | Chambers / Caine | JWR - Chambers Runfold PLC | 15th/12th |
| 30.8.2004 | British GT Thruxton | 74 | | Cole / Wandless | Tech 9 Motorsport | 12th/DNF |
| 30.8.2004 | British GT Thruxton | 76 | | Lesniewski / Sharpe | Tech 9 Motorsport | 16th/11th |
| 30.8.2004 | British GT Thruxton | 77 | | Wood / Scott | JWR - Cambridge Business Travel / ART | 18th/13th |
| 5.9.2004 | FFSA GT Albi | 61 | | Yvon / Hassid | Ruffier Racing | DNF/DNS |
| 5.9.2004 | FFSA GT Albi | 62 | | Moreau / Moinel Delalande | Ruffier Racing | 28th/28th |
| 5.9.2004 | FFSA GT Albi | 63 | | Boukobza / Ménard | Nourry Compétition | 18th/15th |
| 5.9.2004 | FFSA GT Albi | 64 | | Dedours / Makowiecki | CD Sport | 15th/13th |
| 5.9.2004 | FFSA GT Albi | 65 | | Goubet / Ancel | Centre Porsche Lorient | 26th/16th |
| 5.9.2004 | FFSA GT Albi | 66 | | Laurin / Clairay | G C R | 19th/21st |
| 5.9.2004 | FFSA GT Albi | 67 | | Peyroles / Rumpler | S P I D | 16th/14th |
| 5.9.2004 | FFSA GT Albi | 68 | | Giroix / Tuchbant | First Racing | 31st/18th |
| 5.9.2004 | FFSA GT Albi | 69 | | Guitard / Rey | B L R T | DNF/DNS |
| 5.9.2004 | FFSA GT Albi | 70 | | Nozière / Brouard | Pilotage Passion | 32nd/25th |
| 5.9.2004 | FFSA GT Albi | 71 | | Médard / "Guf" | Team Lagon | DNS/22nd |
| 5.9.2004 | FFSA GT Albi | 76 | | David / Narac | IMSA - Challenge 86 | 17th/17th |
| 5.9.2004 | FFSA GT Albi | 77 | | Lelièvre / Polette | IMSA - VCA | 25th/20th |
| 5.9.2004 | FFSA GT Albi | 78 | | Michel / Bachelier | IMSA - Twin Com | 21st/23rd |
| 5.9.2004 | FFSA GT Albi | 79 | | Pageot / Lepreux | Ruffier Racing | 24th/26th |
| 12.9.2004 | Spanish GT Valencia | 28 | | Bastos / Paes | ASM Team | 6th/DNF |
| 12.9.2004 | Spanish GT Valencia | 29 | | Terenas / Peres | ASM Team | 9th/16th |
| 12.9.2004 | Spanish GT Valencia | 30 | | Pla / Médard | Jacques Medard | 11th/DNF |
| 12.9.2004 | Spanish GT Valencia | 31 | | Gallego / Estrela | JVG Racing | DNA |
| 12.9.2004 | Spanish GT Valencia | 32 | | Gallego / Ferreira | JVG Racing | - |
| 12.9.2004 | Spanish GT Valencia | 37 | | Francesc Robert | Francesc Robert Ribes | 17th/17th |
| 19.9.2004 | 250 mile Homestead II | 04 | #WP0ZZZ99Z4S698041 | Brix / Sigal | Grease Monkey Racing | 18th |
| 19.9.2004 | 250 mile Homestead II | 36 | #WP0ZZZ99Z4S698043 | Levitas / Pobst | TPC Racing | 16th |
| 19.9.2004 | 250 mile Homestead II | 37 | #WP0ZZZ99Z4S698025 | Littlechild / Pumpelly | TPC Racing | 20th |
| 19.9.2004 | 250 mile Homestead II | 38 | #WP0ZZZ99Z4S698053 | Bunting / Lally | TPC Racing | 29th |
| 19.9.2004 | 250 mile Homestead II | 41 | #WP0ZZZ99Z1S698095 | Nonnamaker / Nonnamaker / Nonnamaker | Orison-Planet Earth Motorsports | 22nd |
| 19.9.2004 | 250 mile Homestead II | 43 | #WP0ZZZ99Z1S698038 | Matos / Fitzgerald | Orison-Planet Earth Motorsports | 21st |
| 19.9.2004 | 250 mile Homestead II | 86 | #WP0ZZZ99Z1S698019 | Van Wijk / Marshall | G&W Motorsports | 25th |