Ashton Lewis NASCAR Xfinity Series results at Las Vegas
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 2001 | 3 | 5 | 30 | 46 | Lewis Motorsports | Chevrolet | | | 167.937 | 191 | 0 | 0 | accident | 15580 | 73 |
| 2002 | 3 | 25 | 15 | 46 | Civil Air Patrol | Chevrolet | | | 165.837 | 199 | 0 | 0 | running | 22580 | 118 |
| 2003 | 3 | 18 | 27 | 46 | Civil Air Patrol | Chevrolet | | | | 193 | 0 | 0 | running | 22485 | 82 |
| 2004 | 3 | 24 | 29 | 46 | Lewis Motorsports | Chevrolet | | | 167.629 | 197 | 0 | 0 | running | 24640 | 76 |
| 2005 | 4 | 23 | 22 | 25 | U.S. Marine Corps | Ford | | | 167.012 | 199 | 0 | 0 | running | 32641 | 97 |
| 2006 | 4 | 34 | 13 | 25 | U.S. Marine Corps | Ford | | | 164.880 | 206 | 1 | 10 | running | 33248 | 129 |
