| November | Campeonato de Espana de GT Barcelona 2004
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round 06, Spain, 14 November 2004
Campeonato de Espana de GT Barcelona held on 14 November 2004 at Circuit de Catalunya in Spain as part of 2004 International GT Open. | |
| November | China, 12 - 14 November 2004
FIA GT Championship Zhuhai held on 12 - 14 November 2004 at Zhuhai International Circuit in China with thirty entries and results as part of 2004 FIA GT Championship. | More |
| October | Campeonato de Espana de GT Jerez 2004
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round 05, Spain, 10 October 2004
Campeonato de Espana de GT Jerez held on 10 October 2004 at Circuito Permanente de Jerez in Spain as part of 2004 International GT Open. | |
| October | United Arab Emirates, 8 October 2004
FIA GT Championship Dubai held on 8 October 2004 at Dubai Autodrome in United Arab Emirates with thirty entries and results as part of 2004 FIA GT Championship. | More |
| September | Germany, 17 - 19 September 2004
FIA GT Championship Oschersleben held on 17 - 19 September 2004 at Motorsport Arena Oschersleben in Germany with twenty five entries and results as part of 2004 FIA GT Championship. | More |
| September | Campeonato de Espana de GT Valencia 2004
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round 04, Spain, 12 September 2004
Campeonato de Espana de GT Valencia held on 12 September 2004 at Circuit de Valencia 'Ricardo Tormo' in Spain as part of 2004 International GT Open. | |
| September | 1000km of Spa-Francorchamps 2004
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round 04, Belgium, 10 - 12 September 2004
1000km of Spa-Francorchamps held on 10 - 12 September 2004 at Circuit de Spa-Francorchamps in Belgium with fourty one entries and results as part of 2004 Le Mans Endurance Series. | More |
| September | Italy, 5 September 2004
FIA GT Championship Imola held on 5 September 2004 at Autodromo Enzo e Dino Ferrari in Italy with thirty one entries and results as part of 2004 FIA GT Championship. | More |
| August | 1000km of Silverstone 2004
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round 03, United Kingdom, 13 - 15 August 2004
1000km of Silverstone held on 13 - 15 August 2004 at Silverstone Circuit in United Kingdom with thirty eight entries and results as part of 2004 Le Mans Endurance Series. | More |
| July | Proximus 24 Hours of Spa 2004
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round 07, Belgium, 31 July - 1 August 2004
Proximus 24 Hours of Spa held on 31 July - 1 August 2004 at Circuit de Spa-Francorchamps in Belgium with fourty four entries and results as part of 2004 FIA GT Championship. | More |
| July | France, 23 - 25 July 2004
2. Le Mans Classic held on 23 - 25 July 2004 at Circuit de la Sarthe in France with three hundred eighty two entries and results. | More |
| July | 1000km of Nurburgring 2004
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round 02, Germany, 2 - 4 July 2004
1000km of Nurburgring held on 2 - 4 July 2004 at Nurburgring in Germany with thirty nine entries and results as part of 2004 Le Mans Endurance Series. | More |
| June | Campeonato de Espana de GT Estoril 2004
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round 03, Portugal, 27 June 2004
Campeonato de Espana de GT Estoril held on 27 June 2004 at Autodromo do Estoril in Portugal as part of 2004 International GT Open. | |
| June | United Kingdom, 26 - 27 June 2004
FIA GT Championship Donington Park held on 26 - 27 June 2004 at Donington Park Racing Circuit in United Kingdom with twenty eight entries and results as part of 2004 FIA GT Championship. | More |
| June | France, 12 - 13 June 2004
72. edition des 24 Heures du Mans held on 12 - 13 June 2004 at Circuit de la Sarthe in France with fifty entries and results. | More |
| May | Czech Republic, 29 - 30 May 2004
FIA GT Championship Brno held on 29 - 30 May 2004 at Automotodrom Masaryk in Czech Republic with twenty five entries and results as part of 2004 FIA GT Championship. | More |
| May | Campeonato de Espana de GT Jarama 2004
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round 02, Spain, 23 May 2004
Campeonato de Espana de GT Jarama held on 23 May 2004 at Circuito del Jarama in Spain as part of 2004 International GT Open. | |
| May | Germany, 14 - 16 May 2004
FIA GT Championship Hockenheimring held on 14 - 16 May 2004 at Hockenheimring in Germany with twenty six entries and results as part of 2004 FIA GT Championship. | More |
| May | 1000km of Monza 2004
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round 01, Italy, 7 - 9 May 2004
1000km of Monza held on 7 - 9 May 2004 at Autodromo Nazionale di Monza in Italy with fourty entries and results as part of 2004 Le Mans Endurance Series. | More |
| May | Italy, 6 - 8 May 2004
Mille Miglia held on 6 - 8 May 2004 at Piazza della Vittoria in Italy with one hundred twenty seven entries. | More |
| May | France, 2 May 2004
FIA GT Championship Magny-Cours held on 2 May 2004 at Circuit de Nevers-Magny Cours in France with twenty five entries and results as part of 2004 FIA GT Championship. | More |
| April | Campeonato de Espana de GT Albacete 2004
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round 01, Spain, 25 April 2004
Campeonato de Espana de GT Albacete held on 25 April 2004 at Circuito de Albacete in Spain as part of 2004 International GT Open. | |
| April | Italy, 23 - 25 April 2004
Concorso d'Eleganza Villa d'Este held on 23 - 25 April 2004 at Villa d'Este in Italy with seventy seven entries. | More |
| April | France, 19 - 24 April 2004
Tour Auto Lissac held on 19 - 24 April 2004 in France with two hundred thirty nine entries and results. | More |
| April | LG Super Racing Weekend Valencia 2004
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round 02, Spain, 18 April 2004
LG Super Racing Weekend Valencia held on 18 April 2004 at Valencia Street Circuit in Spain with twenty six entries and results as part of 2004 FIA GT Championship. | More |
| April | LMES Official Test 2004
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round 00, France, 10 - 11 April 2004
LMES Official Test held on 10 - 11 April 2004 at ASA Circuit Paul Ricard, Circuit du Castellet in France as part of 2004 Le Mans Endurance Series. | |
| March | LG Super Racing Weekend Monza 2004
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round 01, Italy, 28 March 2004
LG Super Racing Weekend Monza held on 28 March 2004 at Autodromo Nazionale di Monza in Italy with twenty four entries and results as part of 2004 FIA GT Championship. | More |