2004 Portland Grand Prix

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	LMP1	38	ADT Champion Racing	Marco Werner JJ Lehto	Audi R8	M	141
					Audi 3.6L Turbo V8
2	LMP1	16	Dyson Racing	Butch Leitzinger James Weaver	MG-Lola EX257	G	141
					MG (AER) XP20 2.0L Turbo I4
3	GTS	3	Corvette Racing	Ron Fellows Johnny O'Connell	Chevrolet Corvette C5-R	M	135
					Chevrolet 7.0L V8
4	GTS	4	Corvette Racing	Oliver Gavin Olivier Beretta	Chevrolet Corvette C5-R	M	133
					Chevrolet 7.0L V8
5	LMP2	30	Intersport Racing	Jon Field Clint Field Robin Liddell	Lola B2K/40	P	129
					Judd KV675 3.4L V8
6	LMP1	20	Dyson Racing	Chris Dyson Andy Wallace	MG-Lola EX257	G	129
					MG (AER) XP20 2.0L Turbo I4
7	GT	24	Alex Job Racing	Marc Lieb Romain Dumas	Porsche 911 GT3-RSR	M	128
					Porsche 3.6L Flat-6
8	GT	45	Flying Lizard Motorsports	Johannes van Overbeek Darren Law	Porsche 911 GT3-RSR	M	128
					Porsche 3.6L Flat-6
9	GT	31	White Lightning Racing	David Murry Craig Stanton	Porsche 911 GT3-RSR	M	127
					Porsche 3.6L Flat-6
10	GT	23	Alex Job Racing	Jörg Bergmeister Timo Bernhard	Porsche 911 GT3-RSR	M	127
					Porsche 3.6L Flat-6
11	GT	66	New Century - The Racer's Group	Patrick Long Cort Wagner	Porsche 911 GT3-RSR	M	127
					Porsche 3.6L Flat-6
12	GT	44	Flying Lizard Motorsports	Seth Neiman Lonnie Pechnik	Porsche 911 GT3-RSR	M	124
					Porsche 3.6L Flat-6
13	GT	79	J-3 Racing	Justin Jackson Tim Sugden	Porsche 911 GT3-RSR	M	124
					Porsche 3.6L Flat-6
14	GT	60	P.K. Sport	Peter Boss Hugh Plumb	Porsche 911 GT3-RS	P	123
					Porsche 3.6L Flat-6
15	GT	67	New Century - The Racer's Group	Jim Matthews Pierre Ehret	Porsche 911 GT3-RSR	M	119
					Porsche 3.6L Flat-6
16	GTS	63	ACEMCO Motorsports	Terry Borcheller Johnny Mowlem	Saleen S7-R	P	113
					Ford 7.0L V8
17	LMP2	10	Miracle Motorsports	Ian James James Gue John Macaluso	Lola B2K/40	Y	112
					Nissan (AER) 3.0L V6
18 DNF	GTS	6	Krohn-Barbour Racing	Tracy Krohn Niclas Jönsson	Lamborghini Murcielago R-GT	P	103
					Lamborghini 6.0L V12
19 DNF	GTS	5	Krohn-Barbour Racing	Peter Kox David Brabham	Lamborghini Murcielago R-GT	P	91
					Lamborghini 6.0L V12
20 DNF	GT	43	BAM!	Leo Hindery Marc Lieb	Porsche 911 GT3-RSR	M	83
					Porsche 3.6L Flat-6
21 DNF	LMP2	56	Team Bucknum Racing	Jeff Bucknum Bryan Willman	Pilbeam MP91	D	56
					Nissan (AER) 3.0L V6
22 DNF	GT	35	Risi Competizione	Anthony Lazzaro Ralf Kelleners	Ferrari 360 Modena GTC	P	36
					Ferrari 3.6L V8
23 DNF	GT	50	Panoz Motor Sports	Gunnar Jeannette Kelly Collins	Panoz Esperante GT-LM	P	27
					Ford (Elan) 5.0L V8

• Pole Position - #20 Dyson Racing - 1:04.750
• Fastest Lap - #38 ADT Champion Racing - 1:05.129
• Distance - 274.104 miles (441.128 km)
• Average Speed - 99.082 mph (159.457 km/h)

• "Official Results" (PDF). Archived from the original (PDF) on September 29, 2007. Retrieved November 17, 2006. (31.0 KiB)