| Teams 1981 Northwestern Bank 400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 2 | Osterlund Racing | Dale Earnhardt | Pontiac |
| 2 | Reeder Racing | Mark Martin | Pontiac |
| 3 | Richard Childress Racing | Richard Childress | Pontiac |
| 5 | Cliff Stewart Racing | Morgan Shepherd | Pontiac |
| 11 | Junior Johnson and Associates | Darrell Waltrip | Buick |
| 12 | Kenny Childers Racing | Harry Gant | Oldsmobile |
| 15 | Bud Moore Engineering | Benny Parsons | Ford |
| 17 | Hamby Racing | Tommy Houston | Buick |
| 25 | Ronnie Thomas | Ronnie Thomas | Pontiac |
| 26 | Butch Lindley | Butch Lindley | Chevrolet |
| 28 | Ranier Racing with MDM | Bobby Allison | Pontiac |
| 37 | Rogers Racing | Mike Alexander | Oldsmobile |
| 40 | US Racing | D.K. Ulrich | Buick |
| 42 | Petty Enterprises | Kyle Petty | Buick |
| 43 | Petty Enterprises | Richard Petty | Buick |
| 44 | Hagan Racing | Terry Labonte | Buick |
| 47 | Race Hill Farms Racing | Ron Bouchard | Buick |
| 48 | Hylton Engineering | James Hylton | Chevrolet |
| 52 | Jimmy Means Racing | Jimmy Means | Chevrolet |
| 53 | Jimmy Means Racing | Cecil Gordon | Buick |
| 64 | Langley Racing | Tommy Gale | Ford |
| 66 | Lake Speed Racing | Lake Speed | Oldsmobile |
| 67 | Arrington Racing | Buddy Arrington | Dodge |
| 70 | McDuffie Racing | J.D. McDuffie | Pontiac |
| 71 | Marcis Auto Racing | Dave Marcis | Chevrolet |
| 75 | RahMoc Entrprises | Joe Millikan | Chevrolet |
| 88 | DiGard Racing | Ricky Rudd | Buick |
| 90 | Donlavey Racing | Jody Ridley | Ford |
| 92 | Fields Racing | Joe Fields | Buick |
| 94 | Wawak Racing | Bobby Wawak | Buick |
| 99 | US Racing | Tim Richmond | Buick |