| Teams for 2006 O'Reilly Auto Parts Challenge |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 00 | Gene Haas | Johnny Sauter |  |
| 0 | JD Motorsports | Kertus Davis | |
| 01 | Keith Duesenberg | Jay Sauter | |
| 1 | James Finch | Mike Wallace |  |
| 2 | Richard Childress | Clint Bowyer | |
| 4 | Biagi DenBeste Racing | Auggie Vidovich | |
| 5 | Rick Hendrick | Kyle Busch | |
| 06 | Jack Roush | Todd Kluever |  |
| 6 | Jack Roush | Mark Martin | |
| 9 | Ray Evernham | Kasey Kahne | |
| 10 | Greg Pollex | John Andretti | |
| 11 | Dale Earnhardt | Paul Menard | |
| 12 | FitzBradshaw Racing | Mike Skinner | |
| 14 | FitzBradshaw Racing | Ted Musgrave | |
| 16 | Jack Roush | Greg Biffle | |
| 17 | Jack Roush | Matt Kenseth | |
| 18 | Joe Gibbs | J.J. Yeley | |
| 19 | Joe Gibbs | Tony Stewart | |
| 20 | Joe Gibbs | Denny Hamlin | |
| 21 | Richard Childress | Kevin Harvick | |
| 22 | Greg Pollex | Kenny Wallace | |
| 23 | Keith Coleman | Brad Keselowski | |
| 25 | Ed Rensi | Ashton Lewis | |
| 27 | Brewco Motorsports | Casey Atwood | |
| 29 | Richard Childress | Jeff Burton | |
| 33 | Kevin Harvick | Ron Hornaday, Jr. | |
| 35 | Ed Rensi | Regan Smith | |
| 36 | McGill Motorsports | Max Papis | |
| 37 | Adrian Berryhill | Randy LaJoie | |
| 38 | Todd Braun | Jason Leffler | |
| 41 | Chip Ganassi | Reed Sorenson | |
| 42 | Chip Ganassi | Juan Pablo Montoya | |
| 47 | JTG Racing | Jon Wood | |
| 50 | Jack Roush | Danny O'Quinn, Jr. | |
| 59 | ST Motorsports | Stacy Compton | |
| 60 | Jack Roush | Carl Edwards | |
| 64 | Rusty Wallace | Steve Wallace | |
| 66 | Brewco Motorsports | Scott Wimmer | |
| 77 | Kevin Harvick | Bobby Labonte | |
| 88 | JR Motorsports | Shane Huffman | |
| 90 | Robert Yates | Stephen Leicht | |
| 95 | Sadler Brothers Racing | Chad Chaffin | |
| 99 | Michael Waltrip | David Reutimann | |
