The 2004 Proximus Spa 24 Hours was the 57th running of the Spa 24 Hours and the seventh round the 2004 FIA GT Championship season. This event combined the FIA GT's two classes (GT and N-GT) with cars from national series and one-make series, designated G2 and G3. It took place at the Circuit de Spa-Francorchamps, Belgium, from 31 July to 1 August 2004.

For the FIA GT Championship, the top eight cars in the GT and N-GT classes are awarded half points for their positions after six hours and twelve hours into the race. Points to the top eight were awarded in the order of 4.0 – 3.0 – 2.5 – 2.0 – 1.5 – 1.0 – 0.5.

Pos	No	Team	Laps
1	11	G.P.C. Giesse Squadra Corse	145
2	1	BMS Scuderia Italia	145
3	2	BMS Scuderia Italia	145
4	7	Ray Mallock Ltd.	141
5	10	Zwaans GTR Racing Team	141
6	18	JMB Racing	136
7	14	Lister Racing	135
8	17	JMB Racing	128

Pos	No	Team	Laps
1	77	Yukos Freisinger Motorsport	143
2	50	Yukos Freisinger Motorsport	141
3	88	GruppeM	138
4	71	JWR	135
5	69	Proton Competition	134
6	66	Autorlando Sport	133
7	75	Seikel Motorsport	132
8	99	Freisinger Motorsport	130

Pos	No	Team	Laps
1	2	BMS Scuderia Italia	286
2	11	G.P.C. Giesse Squadra Corse	286
3	10	Zwaans GTR Racing Team	275
4	1	BMS Scuderia Italia	267
5	17	JMB Racing	266
6	32	Force One Racing Festina	236
7	27	Creation Autosportif	226
8	7	Ray Mallock Ltd.	220

Pos	No	Team	Laps
1	77	Yukos Freisinger Motorsport	283
2	50	Yukos Freisinger Motorsport	280
3	99	Freisinger Motorsport	271
4	88	GruppeM	269
5	75	Seikel Motorsport	268
6	71	JWR	267
7	69	Proton Competition	261
8	66	Autorlando Sport	259

Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC).

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	GT	2	BMS Scuderia Italia	Fabrizio Gollin Luca Cappellari Lilian Bryner Enzo Calderari	Ferrari 550-GTS Maranello	M	558
					Ferrari 5.9L V12
2	GT	11	G.P.C. Giesse Squadra Corse	Philipp Peter Fabio Babini Mika Salo Vincent Vosse	Ferrari 575-GTC Maranello	P	557
					Ferrari 6.0L V12
3	N-GT	50	Yukos Freisinger Motorsport	Emmanuel Collard Romain Dumas Stéphane Ortelli	Porsche 911 GT3-RSR	M	545
					Porsche 3.6L Flat-6
4	N-GT	77	Yukos Freisinger Motorsport	Jörg Bergmeister Timo Bernhard Alexey Vasilyev	Porsche 911 GT3-RSR	M	543
					Porsche 3.6L Flat-6
5	N-GT	99	Freisinger Motorsport	Marc Lieb Lucas Luhr Sascha Maassen	Porsche 911 GT3-RSR	M	528
					Porsche 3.6L Flat-6
6	G2	142	BMW Motorsport	Jörg Müller Dirk Müller Hans-Joachim Stuck	BMW M3 GTR	M	525
					BMW 4.0L V8
7	GT	1	BMS Scuderia Italia	Matteo Bobbi Stefano Livio Gabriele Gardel Miguel Ángel de Castro	Ferrari 550-GTS Maranello	M	524
					Ferrari 5.9L V12
8	N-GT	71	JWR	Mike Jordan Godfrey Jones David Jones	Porsche 911 GT3-RS	D	521
					Porsche 3.6L Flat-6
9	N-GT	69	Proton Competition	Gerold Ried Christian Ried Horst Felbermayr, Sr. Horst Felbermayr, Jr.	Porsche 911 GT3-RS	D	513
					Porsche 3.6L Flat-6
10	G3	123	Mühlner Motorsport	Vanina Ickx Peter Wyss Jean-François Hemroulle	Porsche 911 GT3 Cup	M	507
					Porsche 3.6L Flat-6
11	G3	124	Mühlner Motorsport	Helmut Reis Heinz-Josef Bermes Kurt Thiim	Porsche 911 GT3 Cup	M	503
					Porsche 3.6L Flat-6
12	G2	186	EBRT	Eric Jamar Rudi Penders Jean André Nicolas de Gastines	Porsche 911 GT3-R	D	494
					Porsche 3.6L Flat-6
13	G2	100	Belgian Racing	Renaud Kuppens Bas Leinders Sébastien Ugeux	Gillet Vertigo Streiff	D	491
					Alfa Romeo 3.0L V6
14	N-GT	66	Autorlando Sport	Luigi Moccia Moreno Soli Liz Halliday	Porsche 911 GT3-RSR	P	483
					Porsche 3.6L Flat-6
15	G2	121	Renstal Excelsior Markant Racing	Bert Van Rossem Marc Sluszny Joost Vollebergh Patrick Schreurs	Porsche 911 GT3 Cup	D	483
					Porsche 3.6L Flat-6
16	GT	17	JMB Racing	Karl Wendlinger Bert Longin Pierre-Yves Corthals Alex Müller	Ferrari 575-GTC Maranello	M	480
					Ferrari 6.0L V12
17	GT	32	Force One Racing Festina	François Labhardt Julien Gilbert François Jakubowski Philippe Alliot	Chrysler Viper GTS-R	P	477
					Chrysler 8.0L V10
18	G2	103	PSI Motorsport	Leo Van Sande Marc Sourd Pierre Martinet Philippe Tillie	Porsche 911 Bi-Turbo	D	457
					Porsche 3.6L Turbo Flat-6
19	GT	13	G.P.C. Giesse Squadra Corse	Emanuele Naspetti Gianni Morbidelli Didier Defourny Frédéric Bouvy	Ferrari 575-GTC Maranello	P	420
					Ferrari 6.0L V12
20	N-GT	73	Cirtek Motorsport	Adam Jones John Grant Vic Rice Nikolai Fomenko	Porsche 911 GT3-RS	D	418
					Porsche 3.6L Flat-6
21 NC	G3	116	EBRT	Philippe Menage Sylvie Delcour José Close Lino Pecoraro	Lotus Elise	Y	341
					Rover K18 1.8L I4
22 NC	GT	18	JMB Racing	Andrea Garbagnati Antoine Gosse Peter Kutemann	Ferrari 575-GTC Maranello	M	154
					Ferrari 6.0L V12
23 DNF	GT	10	Zwaans GTR Racing Team	Stéphane Lemeret Marc Duez Fanny Duchâteau Loïc Deman	Chrysler Viper GTS-R	D	365
					Chrysler 8.0L V10
24 DNF	N-GT	75	Seikel Motorsport	Luca Riccitelli Alex Caffi Gabrio Rosa Robin Liddell	Porsche 911 GT3-RS	Y	360
					Porsche 3.6L Flat-6
25 DNF	GT	27	Creation Autosportif	Jamie Campbell-Walter Jamie Derbyshire Bobby Verdon-Roe Peter Snowden	Lister Storm	D	350
					Jaguar 7.0L V12
26 DNF	G3	115	US Carworld Racing	Roger Grouwels Rob Frijns René Wijnen Xavier Maassen	Dodge Viper Competition Coupe	D	323
					Dodge 8.3L V10
27 DNF	N-GT	88	GruppeM	Tim Mullen Jonathan Cocker Tim Sugden Warren Hughes	Porsche 911 GT3-RSR	D	301
					Porsche 3.6L Flat-6
28 DNF	G2	108	Renstal Excelsior	Marc Goossens Anthony Kumpen Yvan Lebon Éric Cayrolle	Chevrolet Corvette C5-R	M	295
					Chevrolet 7.0L V8
29 DNF	G2	143	BMW Motorsport	Andy Priaulx Kurt Mollekens Pedro Lamy Antonio García	BMW M3 GTR	M	278
					BMW 4.0L V8
30 DNF	N-GT	70	Graham Nash Motorsport	Edy Gay Armand Fumal Steve Van Bellingen Michel Orts	Porsche 911 GT3-R	D	221
					Porsche 3.6L Flat-6
31 DNF	GT	7	Ray Mallock Ltd.	Mike Newton Chris Goodwin Thomas Erdos Miguel Ramos	Saleen S7-R	D	220
					Ford 7.0L V8
32 DNF	GT	14	Lister Racing	Gregor Fisken Ian Donaldson Robert Schirle	Lister Storm	D	216
					Jaguar 7.0L V12
33 DNF	GT	28	Graham Nash Motorsport	Paolo Ruberti Gian Maria Gabbiani Christophe Geoffroy Sergei Zlobin	Saleen S7-R	D	110
					Ford 7.0L V8
34 DNF	G3	111	Signa Racing	Patrick Chaillet Rafaël Coenen Giovanni Bruno	Porsche 911 GT3 Cup	P	93
					Porsche 3.6L Flat-6
35 DNF	GT	5	Vitaphone Racing Team Konrad Motorsport	Michael Bartels Uwe Alzen Franz Konrad Eric van de Poele	Saleen S7-R	P	78
					Ford 7.0L V8
36 DNF	GT	8	Ray Mallock Ltd.	Michael Mallock Ray Mallock Adam Wiseberg	Saleen S7-R	D	50
					Ford 7.0L V8
37 DNF	N-GT	85	RJN Motorsport	Chris Buncombe Neil Cunningham Carl Rosenblad Vincent Radermecker	Nissan 350Z	D	49
					Nissan VQ35 3.5L V6
38 DNF	GT	4	Konrad Motorsport	Paul Knapfield Walter Lechner, Jr. Wolfgang Treml Toni Seiler	Saleen S7-R	P	43
					Ford 7.0L V8
39 DNF	G2	105	Emeraude Racing	Olivier Baron Christophe Bigourie Gérard Tremblay André-Alain Corbel	Porsche 911 GT3-R	D	35
					Porsche 3.6L Flat-6
40 DNF	G2	101	Ice Pol Racing Team	Yves Lambert Christian Lefort Jean-Pierre van de Wauwer	Gillet Vertigo Streiff	D	23
					Alfa Romeo 3.4L V6
41 DNF	N-GT	62	G.P.C. Giesse Squadra Corse	Fabrizio de Simone Christian Pescatori Andrea Bertolini	Ferrari 360 Modena GTC	P	7
					Ferrari 3.6L V8
42 DNF	GT	9	Zwaans GTR Racing Team	Val Hillebrand Henrik Roos Rob van der Zwaan Arjan van der Zwaan	Chrysler Viper GTS-R	D	0
					Chrysler 8.0L V10
DNS	N-GT	72	Cirtek Motorsport	Frank Mountain Rob Wilson Maurizio Fabris Karim Ojjeh	Ferrari 360 Modena GTC	D	–
					Ferrari 3.6L V8
DNS	G2	104	PSI Motorsport	Wolfgang Kaufmann Jos Menten Markus Palttala Romain Bera	Porsche 911 Bi-Turbo	D	–
					Porsche 3.6L Turbo Flat-6

• Pole position – #2 BMS Scuderia Italia – 2:15.047
• Fastest lap – #13 G.P.C. Giesse Squadra Corse – 2:18.111
• Average speed – 161.974 km/h