Howard-Boss Motorsports Grand-Am Rolex Series owner statistics by driver
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| Driver | Starts | Wins | Podiums | Avg. Start | Avg. Finish | Times Led | Laps Led | Avg. % Led |
| Butch Leitzinger | 39 | 3 | 11 | 9.0000 | 10.3846 | 15 | 188 | 4.050769 |
| Andy Wallace | 40 | 3 | 10 | 12.3500 | 13.2500 | 18 | 268 | 2.489250 |
| Elliott Forbes-Robinson | 25 | 3 | 9 | 8.5200 | 8.1200 | 5 | 58 | 1.761200 |
| Milka Duno | 25 | 3 | 6 | 14.6000 | 12.6000 | 0 | 0 | 0.000000 |
| Jan Lammers | 10 | 1 | 2 | 13.8000 | 11.0000 | 4 | 91 | 1.795000 |
| Tony Stewart | 7 | 0 | 2 | 11.4286 | 15.4286 | 9 | 211 | 5.981428 |
| Jimmie Johnson | 2 | 0 | 1 | 7.0000 | 15.0000 | 2 | 13 | 0.915000 |
| Dale Earnhardt, Jr. | 1 | 0 | 0 | 4.0000 | 5.0000 | 2 | 100 | 19.010000 |
| Dario Franchitti | 1 | 0 | 0 | 17.0000 | 33.0000 | 3 | 26 | 3.660000 |
| Guy Smith | 4 | 0 | 0 | 20.5000 | 11.0000 | 1 | 10 | 2.337500 |
| Allan McNish | 1 | 0 | 0 | 16.0000 | 50.0000 | 2 | 6 | 0.820000 |
| Oliver Gavin | 1 | 0 | 0 | 25.0000 | 14.0000 | 0 | 0 | 0.000000 |
| David Brule | 2 | 0 | 0 | 6.0000 | 16.5000 | 0 | 0 | 0.000000 |
| Paul Edwards | 3 | 0 | 0 | 7.6667 | 16.6667 | 0 | 0 | 0.000000 |
| Chris Dyson | 11 | 0 | 0 | 18.4545 | 20.0000 | 0 | 0 | 0.000000 |
| Rob Dyson | 6 | 0 | 0 | 19.1667 | 20.5000 | 0 | 0 | 0.000000 |
| Harrison Brix | 5 | 0 | 0 | 15.6000 | 21.2000 | 0 | 0 | 0.000000 |
| Dan Wheldon | 1 | 0 | 0 | 17.0000 | 33.0000 | 0 | 0 | 0.000000 |
| Marino Franchitti | 1 | 0 | 0 | 17.0000 | 33.0000 | 0 | 0 | 0.000000 |
| Danica Patrick | 1 | 0 | 0 | 16.0000 | 50.0000 | 0 | 0 | 0.000000 |
| Rusty Wallace | 1 | 0 | 0 | 16.0000 | 50.0000 | 0 | 0 | 0.000000 |
| Total | 83 | 6 | 19 | 12.1687 | 13.3012 | 61 | 971 |
