Steve Grissom NASCAR Xfinity Series results at South Boston
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points | 
| 1988 | 9 | 15 | 19 | 39 | Automatic Curb | Ford |  |  |  | 189 | 0 | 0 | running | 675 | 106 | 
| 1988 | 18 | 24 | 22 | 48 | Edwards Enterprises | Chevrolet |  |  |  | 65 | 0 | 0 | suspension | 660 | 97 | 
| 1989 | 8 | 19 | 25 | 9 | Texas Pete Sauces | Pontiac |  |  |  | 6 | 0 | 0 | accident | 900 | 88 | 
| 1989 | 17 | 17 | 14 | 9 | Texas Pete Sauces | Pontiac |  |  |  | 199 | 0 | 0 | running | 1200 | 121 | 
| 1990 | 9 | 4 | 3 | 31 | Big Mama Meat Snacks | Oldsmobile |  |  |  | 200 | 0 | 0 | running | 2850 | 165 | 
| 1990 | 19 | 2 | 5 | 31 | Big Mama Meat Snacks | Oldsmobile |  |  |  | 200 | 0 | 0 | running | 1884 | 155 | 
| 1991 | 10 | 1 | 5 | 31 | Roddenbery's Foods | Oldsmobile |  |  |  | 299 | 0 | 0 | running | 3350 | 155 | 
| 1991 | 20 | 14 | 1 | 31 | Roddenbery's Foods | Oldsmobile |  |  |  | 300 | 1 | 1 | running | 13650 | 180 |