1998 FIA GT Laguna Seca 500 km

The 1998 Visa Sports Car Championships was the tenth and final round the 1998 FIA GT Championship season. It took place at the Laguna Seca Raceway, California, United States on October 25, 1998.

This race shared the weekend with a Professional SportsCar Racing Championship event.

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	2	AMG Mercedes	Klaus Ludwig Ricardo Zonta	Mercedes-Benz CLK LM	B	139
					Mercedes-Benz M119 6.0L V8
2	GT1	1	AMG Mercedes	Bernd Schneider Mark Webber	Mercedes-Benz CLK LM	B	139
					Mercedes-Benz M119 6.0L V8
3	GT1	8	Porsche AG	Jörg Müller Uwe Alzen	Porsche 911 GT1-98	M	138
					Porsche 3.2L Turbo Flat-6
4	GT1	3	DAMS	Éric Bernard David Brabham	Panoz GTR-1	M	137
					Ford (Roush) 6.0L V8
5	GT1	6	Zakspeed Racing	Michael Bartels Max Angelelli	Porsche 911 GT1-98	P	138
					Porsche 3.2L Turbo Flat-6
6	GT1	11	Team Persson Motorsport	Christophe Bouchut Bernd Mayländer	Mercedes-Benz CLK GTR	B	135
					Mercedes-Benz M120 6.0L V12
7	GT2	51	Viper Team Oreca	Olivier Beretta Pedro Lamy	Chrysler Viper GTS-R	M	127
					Chrysler 8.0L V10
8	GT2	57	Roock Racing	Bruno Eichmann Mike Hezemans	Porsche 911 GT2	Y	126
					Porsche 3.6L Turbo Flat-6
9	GT2	63	Krauss Race Sports International	Michael Trunk Bernhard Müller	Porsche 911 GT2	D	123
					Porsche 3.6L Turbo Flat-6
10	GT2	58	Roock Sportsystem	André Ahrlé Robert Schirle Dirk Layer	Porsche 911 GT2	Y	122
					Porsche 3.6L Turbo Flat-6
11	GT1	12	Team Persson Motorsport	Jean-Marc Gounon Marcel Tiemann	Mercedes-Benz CLK GTR	B	121
					Mercedes-Benz M120 6.0L V12
12	GT2	60	Elf Haberthur Racing	Michel Neugarten Gerd Ruch Zak Brown	Porsche 911 GT2	G	118
					Porsche 3.6L Turbo Flat-6
13	GT2	80	GP Motorsport	Daniel Dor John Young Peter Gregg	Saleen Mustang SR	?	118
					Ford 5.9L V8
14	GT2	69	Proton Competition	Gerold Ried Patrick Vuillaume	Porsche 911 GT2	P	65
					Porsche 3.6L Turbo Flat-6
15	GT2	53	Chamberlain Engineering	Ni Amorim Spencer Trenery Hans Hugenholtz	Chrysler Viper GTS-R	D	117
					Chrysler 8.0L V10
16	GT2	87	Seikel Motorsport	Tony Burgess Gerhard Marchner Manfred Jurasz	Porsche 911 GT2	P	113
					Porsche 3.6L Turbo Flat-6
17	GT2	65	Konrad Motorsport	Martin Stretton Toni Seiler	Porsche 911 GT2	D	105
					Porsche 3.6L Turbo Flat-6
18 DNF	GT2	81	Freisinger Motorsport	Wolfgang Kaufmann Michel Ligonnet	Porsche 911 GT2	?	84
					Porsche 3.6L Turbo Flat-6
19 DNF	GT2	61	Elf Haberthur Racing	Bruno Lambert Mike Conte	Porsche 911 GT2	G	76
					Porsche 3.6L Turbo Flat-6
20 DNF	GT2	76	Seikel Motorsport	Nigel Smith Andrew Bagnall Max Cohen-Olivar	Porsche 911 GT2	P	62
					Porsche 3.6L Turbo Flat-6
21 DNF	GT1	7	Porsche AG	Yannick Dalmas Allan McNish	Porsche 911 GT1-98	M	44
					Porsche 3.2L Turbo Flat-6
22 DNF	GT2	71	Marcos Racing International	Herman Buurman Manno Schaafsma	Marcos LM600	D	33
					Chevrolet 5.9L V8
23 DNF	GT2	70	Marcos Racing International	Christian Vann Harald Becker Cor Euser	Marcos LM600	D	21
					Chevrolet 5.9L V8
24 DNF	GT2	62	Stadler Motorsport	Renato Mastropietro Uwe Sick William Langhorne	Porsche 911 GT2	P	19
					Porsche 3.6L Turbo Flat-6
25 DNF	GT2	86	Larbre Compétition	Jean-Luc Chéreau Jack Leconte	Porsche 911 GT2	M	15
					Porsche 3.6L Turbo Flat-6
26 DNF	GT2	56	Roock Racing	Claudia Hürtgen Stéphane Ortelli	Porsche 911 GT2	Y	7
					Porsche 3.6L Turbo Flat-6
27 DNF	GT2	66	Konrad Motorsport	Jan Lammers Franz Konrad	Porsche 911 GT2	D	7
					Porsche 3.6L Turbo Flat-6
DNS	GT2	52	Viper Team Oreca	Karl Wendlinger David Donohue	Chrysler Viper GTS-R	M	–
					Chrysler 8.0L V10
DNS	GT2	55	Saleen-Allen Speedlab	Andy Pilgrim Ron Johnson Terry Borcheller	Saleen Mustang SR	?	–
					Ford 5.9L V8

• Pole position – #2 AMG Mercedes – 1:16.154
• Fastest lap – #2 AMG Mercedes – 1:19.094
• Average speed – 158.815 km/h