The 1998 Suzuka 1000 km was the nineteenth running of the 1000km Suzuka and the sixth round the 1998 FIA GT Championship season. It took place at the Suzuka Circuit, Japan, on August 23, 1998.

GT500 and GT300 class cars from the All-Japan Grand Touring Car Championship (JGTC) were allowed to participate on an exhibitional basis, but were not allowed to score points in the FIA GT Championship.

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

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	GT1	1	AMG Mercedes	Bernd Schneider Mark Webber	Mercedes-Benz CLK LM	B	171
					Mercedes-Benz M119 6.0L V8
2	GT1	2	AMG Mercedes	Klaus Ludwig Ricardo Zonta	Mercedes-Benz CLK LM	B	169
					Mercedes-Benz M119 6.0L V8
3	GT1	7	Porsche AG	Yannick Dalmas Stéphane Ortelli Allan McNish	Porsche 911 GT1-98	M	168
					Porsche 3.2L Turbo Flat-6
4	GT1	11	Team Persson Motorsport	Christophe Bouchut Bernd Mayländer	Mercedes-Benz CLK GTR	B	167
					Mercedes-Benz M120 6.0L V12
5	GT1	3	DAMS	Franck Lagorce Christophe Tinseau Johnny O'Connell	Panoz GTR-1	M	165
					Ford (Roush) 6.0L V8
6	GT1	6	Zakspeed Racing	Michael Bartels Alexander Grau Andreas Scheld	Porsche 911 GT1-98	P	165
					Porsche 3.2L Turbo Flat-6
7	GT1	12	Team Persson Motorsport	Jean-Marc Gounon Marcel Tiemann	Mercedes-Benz CLK GTR	B	163
					Mercedes-Benz M120 6.0L V12
8	GT1	5	Zakspeed Racing	Armin Hahne Fabien Giroix Jean-Denis Délétraz	Porsche 911 GT1-98	P	163
					Porsche 3.2L Turbo Flat-6
9	GT2	51	Viper Team Oreca	Olivier Beretta Pedro Lamy Dominique Dupuy	Chrysler Viper GTS-R	M	155
					Chrysler 8.0L V10
10	GT2	52	Viper Team Oreca	Karl Wendlinger Justin Bell Hideshi Matsuda	Chrysler Viper GTS-R	M	155
					Chrysler 8.0L V10
11	GT2	70	Marcos Racing International	Christian Vann Harald Becker Cor Euser	Marcos LM600	D	152
					Chevrolet 5.9L V8
12	GT2	66	Konrad Motorsport	Altfrid Heger Franz Konrad Stéphane Sallaz	Porsche 911 GT2	D	150
					Porsche 3.6L Turbo Flat-6
13	GT2	60	Elf Haberthur Racing	Michel Neugarten Gerd Ruch Michel Ligonnet	Porsche 911 GT2	G	146
					Porsche 3.6L Turbo Flat-6
14	GT2	53	Chamberlain Engineering	Hans Hugenholtz Matt Turner Hiroshi Sakai	Chrysler Viper GTS-R	D	145
					Chrysler 8.0L V10
15	GT2	56	Roock Racing	Claudia Hürtgen Jan Lammers Mike Hezemans	Porsche 911 GT2	Y	144
					Porsche 3.6L Turbo Flat-6
16	GT2	76	Seikel Motorsport	Takashi Suzuki Nigel Smith	Porsche 911 GT2	P	141
					Porsche 3.6L Turbo Flat-6
17	GT2	69	Proton Competition	Gerold Ried Patrick Vuillaume Manfred Jurasz	Porsche 911 GT2	P	140
					Porsche 3.6L Turbo Flat-6
18	GT300	181	Team Daishin	Hideo Fukuyama Nobuyuki Ooyagi Tatsuya Mizutani	Nissan Silvia	D	140
					Nissan SR20 2.0L Turbo I4
19	GT2	61	Elf Haberthur Racing	Eric Graham David Smadja Masahiro Kimoto	Porsche 911 GT2	G	139
					Porsche 3.6L Turbo Flat-6
20	GT300	170	Team Gaikokuya	Yoshimi Ishibashi Hiroyuki Noji Patrick van Schoote	Porsche 911 GT2	D	137
					Porsche 3.6L Turbo Flat-6
21	GT300	128	NSX Dream 28 Competition	Hajime Ooshiro Kazuho Takahashi Tadayuki Sato	Honda NSX-S	?	128
					Honda 3.2L V6
22	GT500	129	IDC SARD Racing Team	Keiichi Tsuchiya Tatsuya Tanigawa Max Angelelli	Toyota Supra	Y	126
					Toyota 2.1L Turbo I4
23	GT2	87	Seikel Motorsport	Gerhard Marchner Sumio Sakurai Suzuki Tomiko Yoshikawa	Porsche 911 GT2	P	122
					Porsche 3.6L Turbo Flat-6
24 DNF	GT1	8	Porsche AG	Bob Wollek Jörg Müller Uwe Alzen	Porsche 911 GT1-98	M	107
					Porsche 3.2L Turbo Flat-6
25 DNF	GT1	15	Davidoff Classic GTC Competition	Geoff Lees Thomas Bscher	McLaren F1 GTR	G	106
					BMW S70 6.0L V12
26 DNF	GT2	62	Stadler Motorsport	Franz Hunkeler Uwe Sick Jörg Clavuot	Porsche 911 GT2	P	85
					Porsche 3.6L Turbo Flat-6
27 DNF	GT2	58	Roock Sportsystem	André Ahrlé Ratanakul Prutirat Robert Nearn	Porsche 911 GT2	Y	74
					Porsche 3.6L Turbo Flat-6
28 DNF	GT2	65	Konrad Motorsport	Martin Stretton Yukihiro Hane Jun Harada	Porsche 911 GT2	D	63
					Porsche 3.6L Turbo Flat-6
29 DNF	GT2	57	Roock Racing	Sascha Maassen Bruno Eichmann Hisashi Wada	Porsche 911 GT2	Y	46
					Porsche 3.6L Turbo Flat-6
30 DNF	GT500	100	Team Kunimitsu with Mooncraft	Kunimitsu Takahashi Akira Iida Ryo Michigami	Honda NSX-S	B	31
					Honda 3.5L V6
DSQ†	GT300	110	Ability	Hidehiko Aso Akira Ishikawa Yasutaka Hinoi	Porsche 911 GT2	D	136
					Porsche 3.6L Turbo Flat-6

† – #110 Ability was disqualified for failing to respond to a black flag.

• Pole position – #1 AMG Mercedes – 1:52.580
• Fastest lap – #7 Porsche AG – 1:56.416
• Average speed – 172.405 km/h