| Teams 2009 Auto Club 500 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Michael Waltrip Racing | David Reutimann | Toyota |
| 1 | Earnhardt Ganassi Racing | Martin Truex, Jr. | Chevrolet |
| 2 | Team Penske | Kurt Busch | Dodge |
| 5 | Hendrick Motorsports | Mark Martin | Chevrolet |
| 6 | Roush Fenway Racing | David Ragan | Ford |
| 7 | Robby Gordon Motorsports | Robby Gordon | Toyota |
| 7 | Richard Childress Racing | Casey Mears | Chevrolet |
| 8 | Earnhardt Ganassi Racing | Aric Almirola | Chevrolet |
| 9 | Richard Petty Motorsports | Kasey Kahne | Dodge |
| 11 | Joe Gibbs Racing | Denny Hamlin | Toyota |
| 12 | Team Penske | David Stremme | Dodge |
| 14 | Stewart Haas Racing | Tony Stewart | Chevrolet |
| 16 | Roush Fenway Racing | Greg Biffle | Ford |
| 17 | Roush Fenway Racing | Matt Kenseth | Ford |
| 18 | Joe Gibbs Racing | Kyle Busch | Toyota |
| 19 | Richard Petty Motorsports | Elliott Sadler | Dodge |
| 20 | Joe Gibbs Racing | Joey Logano | Toyota |
| 24 | Hendrick Motorsports | Jeff Gordon | Chevrolet |
| 26 | Roush Fenway Racing | Jamie McMurray | Ford |
| 28 | Yates Racing | Travis Kvapil | Ford |
| 29 | Richard Childress Racing | Kevin Harvick | Chevrolet |
| 31 | Richard Childress Racing | Jeff Burton | Chevrolet |
| 33 | Richard Childress Racing | Clint Bowyer | Chevrolet |
| 34 | Front Row Motorsports | John Andretti | Chevrolet |
| 36 | Tommy Baldwin Racing | Scott Riggs | Toyota |
| 39 | Stewart Haas Racing | Ryan Newman | Chevrolet |
| 41 | Mayfield Motorsports | Jeremy Mayfield | Toyota |
| 42 | Earnhardt Ganassi Racing | Juan Pablo Montoya | Chevrolet |
| 43 | Richard Petty Motorsports | Reed Sorenson | Dodge |
| 44 | Richard Petty Motorsports | AJ Allmendinger | Dodge |
| 47 | JTG Daughtery Racing | Marcos Ambrose | Toyota |
| 48 | Hendrick Motorsports | Jimmie Johnson | Chevrolet |
| 55 | Michael Waltrip Racing | Michael Waltrip | Toyota |
| 66 | Phil Parsons Racing | Dave Blaney | Toyota |
| 71 | TRG Motorsports | David Gilliland | Chevrolet |
| 77 | Team Penske | Sam Hornish, Jr. | Dodge |
| 82 | Red Bull Racing | Scott Speed | Toyota |
| 83 | Red Bull Racing | Brian Vickers | Toyota |
| 87 | NEMCO Motorsports | Joe Nemechek | Toyota |
| 88 | Hendrick Motorsports | Dale Earnhardt, Jr. | Chevrolet |
| 96 | Hall of Fame Racing | Bobby Labonte | Ford |
| 98 | Yates Racing | Paul Menard | Ford |
| 99 | Roush Fenway Racing | Carl Edwards | Ford |