The 2004 All Japan Grand Touring Car Championship was the twelfth season of Japan Automobile Federation GT premiere racing and the final season under the name All Japan Grand Touring Car Championship as for 2005 the series was renamed to Super GT. It was marked as well as the twenty-second season of a JAF-sanctioned sports car racing championship dating back to the All Japan Sports Prototype Championship. The GT500 class champions of 2004 were the #1 Xanavi NISMO Nissan Fairlady Z team driven by Satoshi Motoyama and Richard Lyons and the GT300 class champions were the #16 M-TEC Honda NSX driven by Tetsuya Yamano and Hiroyuki Yagi.

Team	Make	Car	Engine	No.	Drivers	Tyre	Rounds
Nismo	Nissan	Nissan Fairlady Z	Nissan VQ30DETT 3.0 L Twin Turbo V6	1	Richard Lyons	B	All
					Satoshi Motoyama		All
				22	Masami Kageyama		All
					Michael Krumm		All
G'Zox Hasemi Motorsport	Nissan	Nissan Fairlady Z	Nissan VQ30DETT 3.0 L Twin Turbo V6	3	Érik Comas	B	All
					Toshihiro Kaneishi		All
Esso Toyota Team LeMans	Toyota	Toyota Supra	Toyota 3UZ-FE 4.5 L V8	6	Akira Iida	B	1–7
					Juichi Wakisaka		1–7
Autobacs Racing Team Aguri	Honda	Honda NSX	Honda C30A 3.0 L Twin Turbo V6	8	Katsutomo Kaneishi	B	All
					Daisuke Ito		All
Calsonic Team Impul	Nissan	Nissan Fairlady Z	Nissan VQ30DETT 3.0 L Twin Turbo V6	12	Yuji Ide	B	All
					Benoît Tréluyer		All
Amprex Motorsports	Lamborghini	Lamborghini Murciélago R-GT	Lamborghini L535 6.0 L V12	15	Genji Hashimoto	M	3–4
					Norman Simon		3–4
Takata Dome Racing Team	Honda	Honda NSX	Honda C30A 3.0 L Twin Turbo V6	18	Ryo Michigami	B	All
					Sébastien Philippe		All
Hitotsuyama Racing	Ferrari	Ferrari 550 GTS	Ferrari F133 5.9 L V12	21	Hidetoshi Mitsusada	D	1–7
					Tadao Uematsu		1–7
Team Advan Tsuchiya	Toyota	Toyota Supra	Toyota 3UZ-FE 4.5 L V8	25	Manabu Orido	Y	1–7
					Dominik Schwager		1–7
Epson Nakajima Racing	Honda	Honda NSX	Honda C30A 3.0 L Twin Turbo V6	32	André Lotterer	B	All
					Tsugio Matsuda		All
Yellow Hat Kraft	Toyota	Toyota Supra	Toyota 3UZ-FE 4.5 L V8	35	Naoki Hattori	D	All
					Shigekazu Wakisaka		All
Toyota Team TOM'S	Toyota	Toyota Supra	Toyota 3UZ-FE 4.5 L V8	36	Marco Apicella	B	1–7
					Takeshi Tsuchiya		1–7
				37	James Courtney		All
					Tatsuya Kataoka		All
au Toyota Team Cerumo	Toyota	Toyota Supra	Toyota 3UZ-FE 4.5 L V8	38	Seiji Ara	B	1–7
					Yuji Tachikawa		1–7
Denso Toyota Team SARD	Toyota	Toyota Supra	Toyota 3UZ-FE 4.5 L V8	39	André Couto	B	1–7
					Jérémie Dufour		1–7
R&D Sport	Vemac	Vemac RD408R	Mugen MF408S 4.0 L V8	62	Shogo Mitsuyama	D	7
					Shinsuke Shibahara		7
JLOC	Lamborghini	Lamborghini Murciélago R-GT	Lamborghini L535 6.0 L V12	88	Hisashi Wada	D	2–3, 5–7
					Koji Yamanishi		2–3, 5–7
		Lamborghini Diablo JGT-1	Lamborghini L532 6.0 L V12		Hisashi Wada		4
					Koji Yamanishi		4
Raybrig Team Kunimitsu with Mooncraft	Honda	Honda NSX	Honda C30A 3.0 L Twin Turbo V6	100	Hiroki Katoh	B	All
					Shinji Nakano		All
					Bruce Jouanny		NC

Team	Make	Car	Engine	No.	Drivers	Tyre	Rounds
Verno Tokai Dream28	Honda	Honda NSX	Honda C32B 3.4 L V6	2	Kazuho Takahashi	K	All
					Akira Watanabe		All
Team Mach	Vemac	Vemac RD320R	Honda C32B 3.4 L V6	5	Tetsuji Tamanaka	Y	All
					"Gō Mifune"		All
RE Amemiya Racing	Mazda	Mazda RX-7	Mazda RE20B 2.0 L 3-rotor	7	Hiroyuki Iiri	Y	All
					Shinichi Yamaji		All
A&S Racing	Mosler	Mosler MT900R	Chevrolet LS1 6.2 L V8	9	Go Shimizu	Y	All
					Shinya Hosokawa		All
Jim Gainer Racing	Ferrari	Ferrari 360	Ferrari F131B 3.6 L V8	10	Tetsuya Tanaka	D	All
					Atsushi Yogo		All
				11	Hideshi Matsuda		All
					Ichigo Suga		All
M-TEC	Honda	Honda NSX	Honda C32B 3.5 L V6	16	Tetsuya Yamano	D	All
					Hiroyuki Yagi		All
Spirit Motorsport	Toyota	Toyota Celica	Toyota 3S-GTE 2.0 L Turbo I4	17	Masaoki Nagashima	Y	All
					Matsunaga Matsuhiro		All
Racing Project Bandoh	Toyota	Toyota Celica	Toyota 3S-GTE 2.0 L Turbo I4	19	Takayuki Aoki	Y	All
					Nobuteru Taniguchi		All
Hitotsuyama Racing	Porsche	Porsche 996 GT3 RSR	Porsche M96/73 3.6 L F6	20	Takashi Inoue	Y	All
					Yasuo Miyagawa		1–4
					Hiroshi Wada		5–7
Team Taisan	Porsche	Porsche 996 GT3-R	Porsche M96/77 3.6 L F6	26	Yutaka Yamagishi	Y	All
					Kaoru Ijiri		All
Team Reckless	Toyota	Toyota MR-S	Toyota 3S-GTE 2.0 L Turbo I4	30	Kota Sasaki	BF	All
					Satoshi Goto		All
A'PEX with apr	Toyota	Toyota MR-S	Toyota 3S-GTE 2.0 L Turbo I4	31	Minoru Tanaka	BF	All
					Koji Matsuda		All
Autobacs Racing Team Aguri	ASL	ASL ARTA Garaiya	Nissan VQ35DE 3.5 L V6	43	Morio Nitta	BF	All
					Shinichi Takagi		All
Auto Staff Racing	Nissan	Nissan Silvia (S15)	Nissan SR20DET 2.0 L Turbo I4	51	Masamasa Kato	Y	All
					Katsuhiko Tsutsui		All
Toyota Team Cerumo	Toyota	Toyota Celica	Toyota 3S-GTE 2.0 L Turbo I4	52	Hironori Takeuchi	D	All
					Seigo Nishizawa		All
Team LeyJun	Vemac	Vemac RD320R	Honda C32B 3.4 L V6	63	"OSAMU"	D	All
					Hiroki Yoshimoto		1–5
					Takaya Tsubobayashi		6–7
Team Gaikokuya	Porsche	Porsche 996 GT3-RS	Porsche M96/77 3.6 L F6	70	Yoshimi Ishibashi	Y	All
					Hiromi		1–3, 5–7
					Isao Ihashi		4
				72	Akira Hirakawa		All
					Guts Jyonai		1–2
					Hideo Fukuyama		3–7
Cusco Racing	Subaru	Subaru Impreza WRX STI	Subaru EJ20 2.0 L Turbo F4	77	Katsuo Kobayashi	Y	All
					Tatsuya Tanigawa		All
Team Daishin	Nissan	Nissan Fairlady Z	Nissan VQ35DE 3.5 L V6	80	Mitsuhiro Kinoshita	Y	All
					Kazuki Hoshino		All
				81	Masataka Yanagida		All
					Naofumi Omoto		All
Arktech Motorsports	Porsche	Porsche 986 Boxster	Porsche M44/12 3.0 L I4	110	Hiroya Iijima	Y	1–5, 7
					Takashi Ohi		1–5, 7
		Porsche 996 GT3 Cup	Porsche M96/77 3.6 L F6	112	Akihiko Tsutsumi		2, 4
					Keita Sawa		2, 5, 7
					Guts Jyonai		4, 5, 7
910 Racing	Porsche	Porsche 996 GT3 RS	Porsche M96/77 3.6 L F6	910	Kazuyoshi Takamizawa	Y	All
					Jukuchou Sunako		All

Round	Race	Circuit	Date
1	GT Championship in TI	TI Circuit	April 4
2	SUGO GT Championship	Sportsland SUGO	May 23
3	Japan GT Championship Malaysia	Sepang Circuit	June 19
4	Hokkaido Gran GT Championship	Tokachi International Speedway	July 18
5	Motegi GT Championship Race	Twin Ring Motegi	September 5
6	Japan GT in Kyushu 300 km	Autopolis	October 31
7	Suzuka GT 300 km	Suzuka Circuit	November 21
NC	JGTC All-Star GT Live USA	California Speedway	December 18
			December 19

Round	Circuit	GT500 Winning Team	GT300 Winning Team
		GT500 Winning Drivers	GT300 Winning Drivers
1	TI Circuit	#1 Xanavi NISMO Nissan Z	#10 Team Gainer Ferrari F360
		Satoshi Motoyama Richard Lyons	Atsushi Yogo Tetsuya Tanaka
2	Sportsland SUGO	#38 au Cerumo Toyota Supra	#19 WedsSport Toyota Celica
		Yuji Tachikawa Seiji Ara	Takayuki Aoki Nobuteru Taniguchi
3	Sepang Circuit	#39 Denso Team SARD Toyota Supra	#7 RE Amemiya Mazda RX-7
		Andre Couto Jeremie Dufour	Shinichi Yamaji Hiroyuki Iiri
4	Tokachi	#22 Motul NISMO Nissan Z	#43 ARTA ASL Garaiya
		Michael Krumm Masami Kageyama	Morio Nitta Shinichi Takagi
5	Twin Ring Motegi	#32 PIAA Honda NSX	#43 ARTA ASL Garaiya
		Tsugio Matsuda André Lotterer	Morio Nitta Shinichi Takagi
6	Autopolis	#1 Xanavi NISMO Nissan Z	#7 RE Amemiya Mazda RX-7
		Satoshi Motoyama Richard Lyons	Shinichi Yamaji Hiroyuki Iiri
7	Suzuka Circuit	#12 Calsonic Impul Nissan Z	#16 M-TEC Honda NSX
		Yuji Ide Benoît Tréluyer	Tetsuya Yamano Hiroyuki Yagi
NC	California Speedway	#3 G-ZOX Hasemi Motorsports Nissan Z	#16 M-TEC Honda NSX
		Toshihiro Kaneishi Érik Comas	Tetsuya Yamano Hiroyuki Yagi Haruki Kurosawa
		#32 PIAA Honda NSX	#43 ARTA ASL Garaiya
		Tsugio Matsuda André Lotterer	Morio Nitta Shinichi Takagi

Scoring system

• There were no points awarded for pole position and fastest lap in the final race.

Rank Driver TAI SUG SEP TOK MOT AUT SUZ PTS 1 Satoshi Motoyama Richard Lyons 1 DNS 3 Ret 3 1 7 73 2 André Couto Jérémie Dufour 3 Ret 1 7 6 2 8 61 3 Akira Iida Juichi Wakisaka 2 11 14 2 2 4 Ret 57 4 Érik Comas Toshihiro Kaneishi 6 6 4 3 7 Ret 3 50 5 Seiji Ara Yuji Tachikawa 5 1 7 14 10 11 4 45 6 James Courtney Tatsuya Kataoka 11 3 5 5 4 6 6 44 7 Marco Apicella Takeshi Tsuchiya 7 7 10 4 5 7 2 43 8 André Lotterer Tsugio Matsuda 10 4 9 6 1 12 5 42 9 Masami Kageyama Michael Krumm 9 Ret 6 1 8 9 Ret 39 10 Naoki Hattori Shigekazu Wakisaka 4 5 2 9 13 8 16 37 11 Benoît Tréluyer Yuji Ide 8 10 Ret 11 Ret 5 1 35 12 Manabu Orido Dominik Schwager 14 2 Ret 13 12 3 10 31 13 Hiroki Katoh Shinji Nakano Ret 8 15 10 9 10 9 9 14 Ryo Michigami Sébastien Philippe 12 12 8 8 15 14 12 6 15 Katsutomo Kaneishi Daisuke Ito 13 9 11 12 11 13 11 2 Genji Hashimoto Norman Simon 12 15 0 Hidetoshi Mitsusada Tadao Uematsu 15 DNQ 13 16 14 15 14 0 Shogo Mitsuyama Shinsuke Shibahara 13 0 Hisashi Wada Koji Yamanishi DNQ Ret DNQ Ret Ret 15 0 Rank Driver TAI SUG SEP TOK MOT AUT SUZ PTS

Colour Result Gold Winner Silver Second place Bronze Third place Green Points finish Blue Non-points finish Non-classified finish (NC) Purple Retired (Ret) Red Did not qualify (DNQ) Did not pre-qualify (DNPQ) Black Disqualified (DSQ) White Did not start (DNS) Withdrew (WD) Race cancelled (C) Blank Did not practice (DNP) Did not arrive (DNA) Excluded (EX)

For teams that entered multiple cars, only the best result from each round counted towards the teams' championship.^[1]

Rank	Driver	No.	TAI	SUG	SEP	TOK	MOT	AUT	SUZ	PTS
1	Nismo	1	1	15DNS	3	17Ret	3	1	7	98
		22	9	14Ret	6	1	8	9	18Ret
2	Toyota Team SARD	39	3	13Ret	1	7	6	2	8	61
3	Toyota Team TOM'S	36	7	7	10	4	5	7	2	60
		37	11	3	5	5	4	6	6
4	Esso Toyota Team LeMans	6	2	11	14	2	2	4	17Ret	57
5	Hasemi Motorsport	3	6	6	4	3	7	17Ret	3	50
6	Toyota Team Cerumo	38	5	1	7	14	10	11	4	45
7	Epson Nakajima Racing	32	10	4	9	6	1	12	5	42
8	Kraft	35	4	5	2	9	13	8	16	37
9	Team Impul	12	8	10	17Ret	11	16Ret	5	1	35
10	Team Advan Tsuchiya	25	14	2	16Ret	13	12	3	10	31
11	Team Kunimitsu with Mooncraft	100	16Ret	8	15	10	9	10	9	9
12	Dome Racing Team	18	12	12	8	8	15	14	12	6
13	Autobacs Racing Team Aguri	8	13	9	11	12	11	13	11	2
-	Amprex Motorsports	15			12	15				0
-	Hitotsuyama Racing	21	15	16DNQ	13	16	14	15	14	0
-	R&D Sport	62							13	0
-	JLOC	88		17DNQ	18Ret	18DNQ	17Ret	16Ret	15	0
Rank	Driver	No.	TAI	SUG	SEP	TOK	MOT	AUT	SUZ	PTS

Rank	Drivers	Number/Team	Points	Wins
1	Tetsuya Yamano Hiroyuki Yagi	#16 M-TEC Honda NSX	93	1
2	Morio Nitta Shinichi Takagi	#43 ARTA ASL Garaiya	92	2
3	Atsushi Yogo Tetsuya Tanaka	#10 Team Gainer Ferrari F360	64	1
4	Shinichi Yamaji Hiroyuki Iiri	#7 RE Amemiya Mazda RX-7	55	2
5	Takayuki Aoki Nobuteru Taniguchi	#19 WedsSport Toyota Celica	48	1

• Super GT/JGTC official race archive (in Japanese)
• 2004 season results