The Lone Star Grand Prix was an American Le Mans Series sports car race that took place at JAGFlo Speedway at Reliant Park in Houston, Texas, United States. The Lone Star Grand Prix was part of the Grand Prix of Houston race weekend. The event took place in 2006 and 2007. The 2008 event was cancelled following the merger of the Champ Car World Series and Indy Racing League.[1]
| Season | Class | Winning Drivers | Team | Chassis-Engine | Ref |
|---|---|---|---|---|---|
| 2006 | LMP1 |  Rinaldo Capello Allan McNish |  Audi Sport North America | Audi R8 | [2] |
| GT1 | Oliver Gavin Olivier Beretta | Corvette Racing | Chevrolet Corvette C6.R | ||
| GT2 | Mike Rockenfeller Klaus Graf | Alex Job Racing | Porsche 911 GT3-RSR | ||
| LMP2 | Clint Field Liz Halliday | Intersport Racing | Lola B05/40-AER | ||
| 2007 | LMP2 |  Romain DumasTimo Bernhard | Penske Racing | Porsche RS Spyder | [3] |
| LMP1 | Rinaldo Capello Allan McNish | Audi Sport North America | Audi R10 TDI | ||
| GT1 | Johnny O'Connell Jan Magnussen | Corvette Racing | Chevrolet Corvette C6.R | ||
| GT2 |  Mika Salo Jaime Melo | Risi Competizione | Ferrari F430GT |