Jason Leffler NASCAR Xfinity Series results at Kentucky
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points | 
| 2004 | 16 | 4 | 7 | 00 | Haas Automation | Chevrolet |  |  | 178.992 | 200 | 2 | 4 | running | 34680 | 151 | 
| 2006 | 16 | 36 | 40 | 38 | Great Clips | Chevrolet |  |  | 172.309 | 46 | 0 | 0 | accident | 19335 | 43 | 
| 2007 | 16 | 20 | 14 | 38 | Great Clips | Toyota |  |  | 173.885 | 200 | 0 | 0 | running | 26448 | 121 | 
| 2008 | 16 | 10 | 16 | 38 | Great Clips | Toyota |  |  | 173.823 | 200 | 0 | 0 | running | 26668 | 115 | 
| 2009 | 14 | 11 | 6 | 38 | Great Clips | Toyota |  |  | 172.745 | 200 | 0 | 0 | running | 35943 | 150 | 
| 2010 | 14 | 22 | 33 | 38 | Great Clips | Toyota |  |  | 172.761 | 156 | 0 | 0 | accident | 20523 | 64 | 
| 2011 | 18 | 14 | 13 | 38 | Great Clips | Chevrolet |  |  | 170.681 | 199 | 0 | 0 | running | 20718 | 31 |