The 1973 24 Hours of Daytona was a 24-hour endurance sports car race held on February 3–4, 1973 at the Daytona International Speedway road course. The race served as the opening round of the 1973 World Sportscar Championship.

Victory overall and in the Sport 3000 class went to the No. 59 Brumos Racing Porsche 911 Carrera RSR driven by Peter Gregg and Hurley Haywood. Victory in the Grand Touring +2000 class went to the No. 22 North American Racing Team Ferrari Daytona driven by François Migault and Milt Minter. Victory in the Touring 5000 class went to the No. 9 Ray Kessler, Inc. Chevrolet Camaro driven by Ray Kessler, Richie Panch, and Wilbur Pickett. Victory in the Grand Touring 2000 class went to the No. 62 Bob Bergstrom Porsche 911 driven by Bob Bergstrom and Jim Cook. Victory in the Sports 2000 class went to the No. 10 Shierson Racing Chevron B19 driven by Bill Barber and Charlie Kemp. Victory in the Touring 2000 class went to the No. 84 Andy Petery BMW 2002 driven by Andy Petery and Hans Ziereis.

Race results Class winners in bold. Pos Class No Team Drivers Chassis Tyre Laps Engine 1 S3.0 59 Brumos Racing Peter Gregg Hurley Haywood Porsche 911 Carrera RSR 670 Porsche 2.8L Flat 6 N/A 2 GT+2.0 22 North American Racing Team François Migault Milt Minter Ferrari 365 GTB/4 648 Ferrari 4.4L V12 N/A 3 GT+2.0 5 Dave Heinz Dave Heinz Bob McClure Dana English Chevrolet Corvette 644 Chevrolet 7.0L V8 N/A 4 GT+2.0 77 Silverstone Racing George Stone Bruce Jennings Mike Downs Porsche 911 638 Porsche 2.5L Flat 6 N/A 5 GT+2.0 21 North American Racing Team Luigi Chinetti Jr. Bob Grossman Wilbur Shaw Jr. Ferrari 365 GTB/4 632 Ferrari 4.4L V12 N/A 6 GT+2.0 54 Porsche Kremer Racing John Fitzpatrick Erwin Kremer Paul Keller Porsche 911 630 Porsche 2.5L Flat 6 N/A 7 T5.0 9 Ray Kessler, Inc. Ray Kessler Richie Panch Wilbur Pickett Chevrolet Camaro Z28 592 Chevrolet 5.0L V8 N/A 8 GT+2.0 15 Toad Hall Motor Racing Michael Keyser Tony Adamowicz Bob Beasley Porsche 911 ? 587 Porsche 2.5L Flat 6 N/A 9 GT+2.0 56 Joest Racing Sepp Greger Kurt Hild Didier Schmid Porsche 911 ? 574 Porsche 2.5L Flat 6 N/A 10 GT2.0 62 Bob Bergstrom Bob Bergstrom Jim Cook Porsche 911 ? 571 Porsche 2.0L Flat 6 N/A 11 GT+2.0 43 Dave Helmick Dave Helmick John O'Steen Stephen Behr Porsche 911 ? 558 Porsche 2.5L Flat 6 N/A 12 S3.0 19 Harry Bytzek Rudy Bartling Harry Bytzek Bert Kuehne Porsche 908/02 532 Porsche 3.0L Flat 8 N/A 13 T5.0 30 Guido C. Levetto Mario Levetto Guido Levetto Ara Dube Chevrolet Camaro ? 532 Chevrolet 5.0L V8 N/A 14 GT+2.0 51 Airport Motorsport Klaus Selbert W. Marvin Schoenfeld Bob Klempel Porsche 911 ? 499 Porsche 2.5L Flat 6 N/A 15DNF GT+2.0 49 John Greenwood Don Yenko Robert R. Johnson Chevrolet Corvette ? 494 Chevrolet 7.0L V8 N/A 16 T5.0 80 Byron Cook Racing John Elliott Bill McDill Chevrolet Camaro ? 488 Chevrolet 5.0L V8 N/A 17 T5.0 75 Don Winter Larry Bock Carl Shafer Gene Harrington Chevrolet Camaro ? 451 Chevrolet 5.0L V8 N/A 18 T5.0 33 John McComb John McComb Dave Dooley Ford Mustang ? 437 Ford N/A 19DNF S3.0 6 Penske Racing Mark Donohue George Follmer Porsche 911 Carrera RSR 405 Porsche 2.8L Flat 6 N/A 20DNF GT+2.0 20 North American Racing Team Arturo Merzario Jean-Pierre Jarier Ferrari 365 GTB/4 394 Ferrari 4.4L V12 N/A 21DNF GT+2.0 31 Locke Development Corporation Jim Locke Bob Bailey Porsche 911 ? 387 Porsche 2.5L Flat 6 N/A 22DNF S3.0 2 Gulf Racing Mike Hailwood John Watson Mirage M6 366 Ford 3.0L V8 N/A 23DNF S2.0 10 Shierson Racing Bill Barber Charlie Kemp Chevron B19 337 Ford I4 N/A 24 T2.0 84 Andy Petery Andy Petery Hans Ziereis BMW 2002 ? 313 BMW 2.0L I4 N/A 25DNF GT+2.0 23 North American Racing Team Claude Ballot-Léna Jean-Claude Andruet Ferrari 365 GTB/4 284 Ferrari 4.4L V12 N/A 26DNF S3.0 12 Scuderia Filipinetti Reine Wisell Jean-Louis Lafosse Hughes de Fierlant Lola T282 281 Ford 3.0L V8 N/A 27DNF S3.0 3 Equipe Matra-Simca François Cevert Jean-Pierre Beltoise Henri Pescarolo Matra-Simca MS670 267 Matra 3.0L V12 N/A 28DNF S3.0 57 Reinhold Jöst Reinhold Jöst Mario Casoni Paul Blancpain Porsche 908 244 Porsche 3.0L Flat 6 N/A 29DNF S2.0 57 Promotion Advertising Hugh Kleinpeter Jim Gammon Tom Shelton Chevron B21 241 Ford I4 N/A 30DNF T5.0 7 Eddie Johnson Clay Young Eddie Johnson Jim Fitzgerald Chevrolet Camaro ? 233 Chevrolet 5.0L V8 N/A 31DNF S2.0 93 Professional Racing Bob Fisher Tom Gloy Chevron B16 230 Ford I4 N/A 32 GT2.0 38 Quintanilla/Muniz Daniel Muñiz Roberto Quintanilla Porsche 914-6 GT 215 Porsche 2.0L Flat 6 N/A 33DNF GT+2.0 89 Holbert Porsche Mike Tillson Al Holbert Dieter Oest Porsche 911 ? 213 Porsche Flat 6 N/A 34DNF T5.0 96 U.S. Davis Racing Jose Rodriguez Reinaldo Almeida Chevrolet Camaro ? 198 Chevrolet 7.0L V8 N/A 35DNF GT+2.0 64 Weaver Chevrolet Bob Baechle Roger Pierce Alex Davidson Chevrolet Corvette C3 191 Chevrolet 7.0L V8 N/A 36 S3.0 1 Gulf Racing Derek Bell Howden Ganley Mirage M6 179 Ford 3.0L V8 N/A 37DNF GT2.0 16 Toad Hall Motor Sport Peter Kirill Russ Norburn Bill Bean Porsche 911 ? 175 Porsche 2.0L Flat 6 N/A 38DNF S2.0 88 Ed Abate Ed Abate Bill Cuddy Porsche 910 167 Porsche 2.0L Flat 6 N/A 39DNF GT+2.0 58 Brumos Racing Andrew Carduner Jacques Bienvenue Porsche 911 ? 127 Porsche 2.5L Flat 6 N/A 40DNF T5.0 94 Bolus & Snopes Steve Ross Bob Mitchell Dave Houser Chevrolet Camaro ? 120 Chevrolet 5.0L V8 N/A 41DNF GT+2.0 11 Troy Promotions, Inc. Tony DeLorenzo Maurice Carter Chevrolet Corvette 101 Chevrolet 7.0L V8 N/A 42DNF GT+2.0 99 Diego Febles Horacio Alvarez Diego Febles Porsche 911 ? 65 Porsche 2.5L Flat 6 N/A 43DNF GT+2.0 34 Murray Racing Jerry Thompson Ike Knupp Mike Murray Chevrolet Corvette 50 Chevrolet 7.0L V8 N/A 44DNF T5.0 8 Automotive Engineering Enterprises Tom Nehl Steve Durst Chevrolet Camaro ? 49 Chevrolet 5.0L V8 N/A 45DNF GT+2.0 29 Jef Stevens Ralph Noseda Ray Mummery Chevrolet Camaro ? 38 Chevrolet V8 N/A 46DNF T5.0 14 C. C. Canada C. C. Canada Bob Christiansen John Tremblay Chevrolet Camaro ? 29 Chevrolet 5.0L V8 N/A 47DNF T5.0 17 Takondo Racing Vince Gimondo Billy Dingman Chevrolet Camaro ? 15 Chevrolet 5.0L V8 N/A 48DNF T5.0 55 Tiny Lund Tiny Lund Stephen Behr Jimmy Capps Pontiac Firebird ? 15 Pontiac 5.0L V8 N/A 49DNF S2.0 41 Parametrics Systems Raymond Gage Jim Grob Gary Ouellette Lotus 23 14 BMW 2.0L I4 N/A 50DNF T2.0 25 John Buffum Bert Everett John Buffum Wilbur Pickett Ford Escort RS 1600 ? 9 Ford 2.0L I4 N/A 51DNF GT+2.0 48 John Greenwood John Greenwood Ron Grable Chevrolet Corvette ? 7 Chevrolet 7.0L V8 N/A 52DNF T5.0 47 Chitwood Racing Tim Chitwood Joie Chitwood Bob Nagel Chevrolet Camaro ? 6 Chevrolet 5.0L V8 N/A 53DNF T2.0 24 John Buffum Fred van Beuren Jr. Guillermo Rojas Héctor Rebaque Ford Escort RS 1600 ? 0 Ford I4 N/A DNQ GT2.0 73 Dale Kreider Dale Kreider Rick Silvers Paul Toppino Triumph GT6 ? - ? DNQ T5.0 27 Ernie Shaw Ernie Shaw Norm Mosher Al Straub Ford Mustang ? - ? DNQ GT+2.0 78 J. G. Racing Jacques Graham Gordon Johnson Datsun 240Z ? - ?Source:

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