Jason Leffler NASCAR Cup Series results at Michigan
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 2001 | 14 | 36 | 19 | 01 | Cingular Wireless | Dodge | Ganassi | Chambers | 185.352 | 199 | 0 | 0 | running | 54080 | 106 |
| 2001 | 23 | 11 | 24 | 01 | Cingular Wireless | Dodge | Ganassi | Chambers | 186.751 | 161 | 0 | 0 | running | 47415 | 91 |
| 2003 | 23 | 6 | 35 | 0 | NetZero Hi-Speed | Pontiac | Haas | Furr | 188.828 | 166 | 0 | 0 | running | 48540 | 58 |
| 2005 | 15 | 26 | 20 | 11 | FedEx Kinko's | Chevrolet | Gibbs | Ford | 191.189 | 200 | 0 | 0 | running | 75890 | 103 |
| 2012 | 23 | 33 | 43 | 19 | Plinker Tactical | Ford | Mark Smith | Pope | 192.205 | 14 | 0 | 0 | fuel pressure | 71465 | 0 |
