| Teams 1989 Mountain Dew 400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 2 | J.C. Burks | Kenny Burks | Buick |
| 2 | Parker Racing | L.D. Ottinger | Pontiac |
| 3 | Bahari Racing | Ronnie Silver | Pontiac |
| 3 | Dale Earnhardt Inc. | Dale Earnhardt | Chevrolet |
| 5 | Ard Motorsports | Brandon Baker | Buick |
| 6 | Steve Arndt | Tommy Houston | Buick |
| 7 | Whitaker Racing | Harry Gant | Buick |
| 8 | FILMAR Racing | Bobby Hamilton | Buick |
| 9 | Falcon Racing | Steve Grissom | Pontiac |
| 11 | Ingram Racing | Jack Ingram | Chevrolet |
| 12 | Burton Autosports | Jeff Burton | Pontiac |
| 22 | A.G. Dillard Motorsports | Rick Mast | Buick |
| 24 | Marvin Thackston | Joe Thurman | Ford |
| 25 | Moroso Performance | Rob Moroso | Oldsmobile |
| 32 | Isenhower Racing | Dale Jarrett | Pontiac |
| 34 | Frank Cicci Racing | Jimmy Spencer | Buick |
| 36 | Rusty Wallace Racing | Kenny Wallace | Pontiac |
| 38 | Bill Simpson | Dave Simpson | Buick |
| 41 | Prestwood Racing | Max Prestwood | Oldsmobile |
| 47 | Standridge Racing | Billy Standridge | Pontiac |
| 49 | Ferree Racing | Ed Ferree | Pontiac |
| 56 | Speedway Motorsports | Ronald Cooper | Buick |
| 59 | Alliance Racing | Robert Pressley | Oldsmobile |
| 62 | Linville Racing | Ed Berrier | Oldsmobile |
| 63 | Hensley Motorsparts | Chuck Bown | Pontiac |
| 79 | K.R. Rezendes, Inc. | Dave Rezendes | Oldsmobile |
| 96 | Mark Thomas Racing | Tom Peck | Oldsmobile |
| 99 | J & J Racing | Tommy Ellis | Buick |