| Teams for 2011 Royal Purple 300 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 01 | JD Motorsports | Mike Wallace |  |
| 2 | Kevin Harvick | Elliott Sadler | |
| 3 | R3 Motorsports | Alex Kennedy |  |
| 6 | Jack Roush | Ricky Stenhouse, Jr. |  |
| 7 | JR Motorsports | Josh Wise | |
| 09 | Robby Benton | Kenny Wallace |  |
| 11 | Joe Gibbs | Brian Scott | |
| 14 | Mark Smith | Eric McClure | |
| 15 | Rick Ware | Timmy Hill | |
| 16 | Jack Roush | Trevor Bayne | |
| 18 | Joe Gibbs | Kyle Busch | |
| 19 | Mark Smith | Mike Bliss | |
| 20 | Joe Gibbs | Joey Logano | |
| 23 | R3 Motorsports | Robert Richardson, Jr. | |
| 24 | Ed Rensi | Kevin Lepage | |
| 27 | Baker Curb Racing | J.R. Fitzpatrick | |
| 30 | Steve Turner | Reed Sorenson | |
| 31 | Steve Turner | Justin Allgaier | |
| 32 | Steve Turner | Mark Martin | |
| 33 | Kevin Harvick | Kevin Harvick | |
| 38 | Steve Turner | Jason Leffler | |
| 39 | Go Green Racing | Charles Lewandoski | |
| 40 | Key Motorsports | Scott Wimmer | |
| 41 | Rick Ware | Jennifer Jo Cobb | |
| 44 | Mark Smith | Jeff Green | |
| 51 | Jeremy Clements Racing | Jeremy Clements | |
| 52 | Jimmy Means | Tony Raines | |
| 55 | Shepherd Racing Ventures | Brett Rowe | |
| 60 | Jack Roush | Carl Edwards | |
| 62 | Rusty Wallace | Michael Annett | |
| 66 | Rusty Wallace | Steve Wallace | |
| 68 | Fleur-de-Lis Motorsports | Carl Long | |
| 74 | Mike Harmon Racing | Mike Harmon | |
| 79 | 2nd Chance Motorsports | Tim Andrews | |
| 81 | MacDonald Motorsports | Blake Koch | |
| 87 | Joe Nemechek | Kevin Conway | |
| 88 | JR Motorsports | Aric Almirola | |
| 89 | Shepherd Racing Ventures | Morgan Shepherd | |
| 97 | Joe Nemechek | Joe Nemechek | |
| 99 | Pastrana Waltrip Racing | Ryan Truex | |
