NASCAR Xfinity Series
Restrictor plate average percent led
| Driver | Average percent led |
| Dale Earnhardt, Jr. | 18.699394 |
| Tony Stewart | 13.862000 |
| Kyle Busch | 12.592500 |
| Kevin Harvick | 9.989630 |
| Matt Kenseth | 9.071000 |
| Clint Bowyer | 8.013636 |
| Joe Nemechek | 6.956346 |
| Randy LaJoie | 6.347308 |
| Carl Edwards | 4.533810 |
| Mike McLaughlin | 2.898333 |
| Steve Grissom | 2.500455 |
| Michael Waltrip | 2.420000 |
| Greg Biffle | 1.790455 |
| Kasey Kahne | 1.462308 |
| Jason Keller | 1.245676 |
| Scott Wimmer | 1.041500 |
| Mike Bliss | 1.011935 |
| Mike Wallace | 0.988511 |
| Jeff Green | 0.762647 |
| Johnny Sauter | 0.575238 |
| Kenny Wallace | 0.513250 |
| Jason Leffler | 0.318750 |
| Todd Bodine | 0.286190 |
| David Green | 0.250000 |
| Eric McClure | 0.190370 |
| Robert Richardson, Jr. | 0.179167 |
| Morgan Shepherd | 0.152273 |
| Mike Harmon | 0.074348 |
| Bobby Hamilton, Jr. | 0.039524 |
| Tim Fedewa | 0.000000 |
| Kevin Lepage | 0.000000 |
| Mark Green | 0.000000 |
