| Teams 1973 Daytona 500 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 2 | Team Penske | Dave Marcis | AMC Matador |
| 4 | Beryl Jackson | Hershel McGriff | Plymouth |
| 4 | J. Marvin Mills | John Sears | Dodge |
| 5 | McGee Racing | David Sisco | Chevrolet |
| 6 | Owens Racing | Dick Brooks | Dodge |
| 6 | Castle Racing | Neil Castles | Dodge |
| 8 | Negre Racing | Ed Negre | Mercury |
| 9 | Housby Racing | Pete Hamilton | Plymouth |
| 11 | Howard & Egerton Racing | Cale Yarborough | Chevrolet |
| 12 | Bobby Allison Motorsports | Bobby Allison | Chevrolet |
| 14 | Cunningham-Kelley Racing | Coo Coo Marlin | Chevrolet |
| 15 | Bud Moore Engineering | Bobby Isaac | Ford |
| 17 | H.J. Brooking | Bill Dennis | Chevrolet |
| 18 | Frasson Racing | Joe Frasson | Dodge |
| 21 | Wood Brothers Racing | David Pearson | Mercury |
| 24 | Gordon Racing | Cecil Gordon | Chevrolet |
| 25 | Robertson Racing | Jabe Thomas | Dodge |
| 28 | Ellington Racing | Gordon Johncock | Chevrolet |
| 30 | Vic Ballard | Walter Ballard | Chevrolet |
| 31 | O.L. Nixon Racing | Jim Vandiver | Dodge |
| 42 | Marty Robbins Racing | Marty Robbins | Dodge |
| 43 | Petty Enterprises | Richard Petty | Dodge |
| 45 | Siefert Racing | Vic Parsons | Mercury |
| 48 | Hylton Engineering | James Hylton | Mercury |
| 49 | GC Spencer Racing | John Utsman | Dodge |
| 50 | A.J. Foyt Enterprises | A.J. Foyt | Chevrolet |
| 52 | Allan Brooke | Earl Ross | Chevrolet |
| 55 | Carl Price | Tiny Lund | Chevrolet |
| 60 | Nagle Racers | Maynard Troyer | Ford |
| 67 | Arrington Racing | Buddy Arrington | Dodge |
| 70 | McDuffie Racing | J.D. McDuffie | Chevrolet |
| 71 | K&K Racing | Buddy Baker | Dodge |
| 72 | DeWitt Racing | Benny Parsons | Chevrolet |
| 79 | Warren Racing | Frank Warren | Dodge |
| 88 | Lubinski Racing | Ron Keselowski | Dodge |
| 90 | Donlavey Racing | Ramo Stott | Mercury |
| 92 | Harley Smith | Larry Smith | Mercury |
| 95 | Darrell Waltrip Motorsports | Darrell Waltrip | Mercury |
| 96 | Elder Racing | Ray Elder | Dodge |
| 97 | Willie Humphries | Red Farmer | Ford |