The 2006 Lone Star Grand Prix was the second race for the 2006 American Le Mans Series season at a temporary street course built around Reliant Park, Houston. It took place on May 12, 2006.

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	2	Audi Sport North America	Rinaldo Capello Allan McNish	Audi R8	M	143
					Audi 3.6L Turbo V8
2	GT1	4	Corvette Racing	Oliver Gavin Olivier Beretta	Chevrolet Corvette C6.R	M	138
					Chevrolet 7.0L V8
3	GT1	3	Corvette Racing	Ron Fellows Johnny O'Connell	Chevrolet Corvette C6.R	M	138
					Chevrolet 7.0L V8
4	GT1	007	Aston Martin Racing	Darren Turner Tomáš Enge	Aston Martin DBR9	P	137
					Aston Martin 6.0L V12
5	GT1	009	Aston Martin Racing	Pedro Lamy Stéphane Sarrazin	Aston Martin DBR9	P	137
					Aston Martin 6.0L V12
6	LMP1	16	Dyson Racing	James Weaver Butch Leitzinger	Lola B06/10	M	134
					AER P32T 3.6L Turbo V8
7	GT2	23	Alex Job Racing	Mike Rockenfeller Klaus Graf	Porsche 911 GT3-RSR	M	134
					Porsche 3.6L Flat-6
8	GT2	45	Flying Lizard Motorsports	Johannes van Overbeek Wolf Henzler	Porsche 911 GT3-RSR	M	133
					Porsche 3.6L Flat-6
9	GT2	62	Risi Competizione	Jaime Melo Mika Salo	Ferrari F430GT	M	132
					Ferrari 4.0L V8
10	GT2	31	Petersen Motorsports White Lightning Racing	Jörg Bergmeister Patrick Long	Porsche 911 GT3-RSR	M	131
					Porsche 3.6L Flat-6
11	LMP2	37	Intersport Racing	Clint Field Liz Halliday	Lola B05/40	G	129
					AER P07 2.0L Turbo I4
12	LMP2	8	B-K Motorsports	Guy Cosmo James Bach	Courage C65	G	127
					Mazda R20B 2.0L 3-rotor
13	LMP1	20	Dyson Racing	Chris Dyson Guy Smith	Lola B06/10	M	127
					AER P32T 3.6L Turbo V8
14 DNF	LMP2	6	Penske Racing	Lucas Luhr Sascha Maassen	Porsche RS Spyder	M	123
					Porsche MR6 3.4L V8
15	GT2	44	Flying Lizard Motorsports	Lonnie Pechnik Seth Neiman	Porsche 911 GT3-RSR	M	123
					Porsche 3.6L Flat-6
16	LMP2	19	Van der Steur Racing	Ben Devlin Gunnar van der Steur	Lola B2K/40	D	122
					AER (Nissan) 3.0L V6
17 DNF	LMP2	7	Penske Racing	Timo Bernhard Romain Dumas	Porsche RS Spyder	M	119
					Porsche MR6 3.4L V8
18	GT2	50	Multimatic Motorsports Team Panoz	Scott Maxwell David Brabham	Panoz Esperante GT-LM	P	115
					Ford (Elan) 5.0L V8
19 DNF	GT2	21	BMW Team PTG	Bill Auberlen Joey Hand	BMW M3	Y	50
					BMW 3.2L I6
20 DNF	GT2	22	BMW Team PTG	Justin Marks Martin Jensen	BMW M3	Y	26
					BMW 3.2L I6
21 DNF	GT1	26	Konrad Motorsports	Paolo Ruberti Franz Konrad Tom Weickardt	Saleen S7-R	P	16
					Ford 7.0L V8
22 DNF	LMP1	12	Autocon Motorsports	Chris McMurry Bryan Willman	MG-Lola EX257	D	15
					AER P07 2.0L I4
23 DNF	GT2	51	Multimatic Motorsports Team Panoz	Tommy Milner Gunnar Jeannette	Panoz Esperante GT-LM	P	6
					Ford (Elan) 5.0L V8

• Pole Position - #16 Dyson Racing - 1:04.459
• Fastest Lap - #2 Audi Sport North America - 1:05.148
• Distance - 241.67 miles (388.93 km)
• Average Speed - 87.73 mph (141.19 km/h)

• "Official Results" (PDF). Archived from the original (PDF) on 2006-11-10. Retrieved 2006-08-22. (28.2 KiB)