The 1991 SunBank 24 at Daytona was a 24-hour endurance sports car race held on February 2–3, 1991 at the Daytona International Speedway road course. The race served as the opening round of the 1991 IMSA GT Championship.

Victory overall and in the GTP class went to the No. 7 Joest Racing Porsche 962 driven by Frank Jelinski, Henri Pescarolo, Hurley Haywood, Bob Wollek and "John Winter". Victory in the LM class went to the No. 83 Nissan Performance Technology Nissan R90CK driven by Bob Earl, Derek Daly, Chip Robinson, and Geoff Brabham. Victory in the GTP Lights class went to the No. 48 Acura Spice SE90P driven by Parker Johnstone, Steve Cameron, Doug Peterson, and Bob Lesnett. The GTO class was won by the No. 15 Whistler Mustang Ford Mustang driven by Mark Martin, Wally Dallenbach Jr., and Robby Gordon. Finally, the GTU class was won by the No. 82 Greer Racing Mazda RX-7 driven by Dick Greer, Al Bacon, Mike Mees, and Peter Uria.

Race results Class winners in bold.

Pos Class No Team Drivers Chassis Tyre Laps Engine 1 GTP 7 Joest Racing Frank Jelinski Henri Pescarolo Hurley Haywood Bob Wollek "John Winter" Porsche 962 719 Porsche 962/72 3.0L Flat 6 Twin-Turbo 2 LM 83 Nissan Performance Technology Bob Earl Derek Daly Chip Robinson Geoff Brabham Nissan R90CK 701 Nissan VRH35Z 3.5L V8 Twin-Turbo 3 GTP 10 Chris Cord John Hotchkis Jim Adams Rob Dyson Porsche 962 692 Porsche 962/72 3.0L Flat 6 Twin-Turbo 4 GTO 15 Roush Racing Mark Martin Wally Dallenbach Jr. Robby Gordon Ford Mustang 672 Ford Roush 5.9L V8 N/A 5DNF GTP 00 Jochen Dauer Racing Michael Andretti Mario Andretti Jeff Andretti Porsche 962 663 Porsche 962/72 3.0L Flat 6 Twin-Turbo 6 GTO 12 Whistler Radar John Fergus Max Jones Dorsey Schroeder Ford Mustang 658 Ford Roush 5.9L V8 N/A 7DNF Lights 48 Acura Parker Johnstone Steve Cameron Doug Peterson Bob Lesnett Spice SE90P 654 Acura 3.0L V6 N/A 8 Lights 36 Ecurie Scientific John Grooms Michael Greenfield Frank Jellinek Peter Greenfield Kudzu DG-1 632 Mazda 13B 1.3L Rotary 9DNF Lights 54 HDF Motorsport Michael Dow Andrew Hepworth Hendrik ten Cate Spice SE89P 620 Buick 3.0L V6 N/A 10 GTO 90 Roush Racing Jim Stevens Craig Bennett Tom Grunnah Jim Jaeger Ford Mustang 619 Ford Roush 5.9L V8 N/A 11 GTP 4 Tom Milner Racing Brian Bonner Derrike Cope Jeff Kline Scott Sharp Spice SE89P 611 Chevrolet 6.0L V8 N/A 12 GTO 92 R. K. Smith Andy Pilgrim Doc Bundy Joe Varde Chevrolet Corvette ZR-1 611 Chevrolet LT5 5.7L V8 N/A 13 GTU 82 Greer Racing Dick Greer Al Bacon Mike Mees Peter Uria Mazda RX-7 605 Mazda 13B 1.3L 2-Rotor 14 GTO 63 Brian Redman John O'Steen Price Cobb Pete Halsmer Mazda RX-7 576 Mazda 13J-M 2.6L 4-Rotor 15 GTU 37 Botero Racing Honorato Espinosa Rob Wilson Miguel Morejon Felipe Solano Mazda MX-6 576 Mazda 13B 1.3L 2-Rotor 16 GTU 38 Mandeville Auto Tech Roger Mandeville Amos Johnson Kelly Marsh Mazda RX-7 568 Mazda 13B 1.3L 2-Rotor 17 Lights 42 Intersport Geoff Nicol David Tennyson Todd Brayton Tiga GT286 556 Mazda 13B 1.3L 2-Rotor 18 Lights 09 R. J. Racing Stephen Hynes Tommy Johnson Rob Robertson John Sheldon Tiga GC287 545 Buick 3.0L V6 N/A 19 GTU 26 Border Cantina Chris Craft Alex Job Joe Pezza Jack Refenning Porsche 911 494 Porsche 3.2L Flat 6 N/A 20DNF LM 84 Nissan Performance Technology Julian Bailey Steve Millen Arie Luyendyk Jeremy Dale Nissan R90CK 472 Nissan VRH35Z 3.5L V8 Twin-Turbo 21 GTO 91 Stu Hayner Don Knowles John Heinricy Scott Lagasse Tommy Morrison Chevrolet Corvette ZR-1 464 Chevrolet LT5 6.0L V8 N/A 22DNF GTP 16 Dyson Racing James Weaver John Paul Jr. Tiff Needell Porsche 962 450 Porsche 962/72 3.0L Flat 6 Twin-Turbo 23 GTU 72 Jay Kjoller Motorsports Steve Volk Jay Kjoller Patrick Mooney Porsche 911 449 Porsche 3.2L Flat 6 N/A 24DNF GTP 5 Tom Milner Racing Mike Brockman Tim McAdam Fred Phillips Jeff Davis Spice SE89P 448 Chevrolet 6.0L V8 N/A 25 GTO 70 M/J Engineering Lou Gigiliotti Boris Said Mike Nolan Roger Schramm Peter Cunningham Oldsmobile Cutlass 445 Oldsmobile 6.0L V8 N/A 26DNF GTU 66 North Coast Racing Leighton Reese Mike Gagliardo Brad Hoyt Mazda RX-7 442 Mazda 13B 1.3L 2-Rotor 27 GTO 11 Robert Williams Jon Gooding John Annis Mark Kennedy Nort Northam Tom Panaggio Chevrolet Camaro 427 Chevrolet 6.0L V8 N/A 28DNF GTP 98 All American Racers Mark Dismore Rocky Moran P. J. Jones Eagle HF89 408 Toyota 2.1L I4 Turbo 29 GTO 87 A&R Auto Electric Grant Hill Nick Holmes Anthony Puleo Daniel Urrutia Chevrolet Camaro 396 Chevrolet 6.0L V8 N/A 30DNF GTP 2 Bud Light Jaguar Racing Davy Jones Scott Pruett Raul Boesel Derek Warwick Jaguar XJR-12 379 Jaguar 6.5L V12 N/A 31DNF GTP 6 Joest Racing Bob Wollek Bernd Schneider Paolo Barilla Massimo Sigala Porsche 962 360 Porsche 3.0L Flat 6 Twin-Turbo 32DNF Lights 9 Essex Racing Jim Pace Tom Hessert Jr. Charles Morgan Kudzu DG-1 359 Buick 3.0L V6 N/A 33DNF Lights 20 Carlos Bobeda Racing Kaming Ko Mike Sheehan Ron McKay Charles Monk Tiga GT287 328 Chevrolet 3.0L V6 N/A 34 GTO 45 First Coast Trucks John Forbes Ken Fengler Bob Hundredmark Tom Curren Chevrolet Corvette 315 Chevrolet 6.0L V8 N/A 35DNF GTP 0 Jochen Dauer Racing Al Unser Jr. Bobby Unser Robby Unser Al Unser Porsche 962 270 Porsche 3.0L Flat 6 Twin-Turbo 36DNF GTO 28 Del Russo Taylor Don Arpin Jon Olch Tim Banks Scott Watkins Chevrolet Camaro 234 Chevrolet 6.0L V8 N/A 37DNF GTO 53 Hi-Tech Coating Richard McDill Bill McDill Jim Burt Chevrolet Camaro 223 Chevrolet 6.0L V8 N/A 38DNF GTU 96 Chuck Kurtz Bob Leitzinger David Loring Don Reynolds Nissan 240SX 192 Nissan 2.8L V6 N/A 39DNF GTU 57 Kryder Racing Henry Camferdam Phil Krueger Alistair Oag Reed Kryder Nissan 240SX 159 Nissan 2.8L V6 N/A 40 GTP 60 Gunnar Porsche Jay Cochran Derek Bell Justin Bell Gunnar 966 83 Porsche 3.0L Flat 6 Twin-Turbo 41 GTO 04 Henry Brosnaham Bobby Scolo Steve Burgner John Macaluso Chevrolet Camaro 78 Chevrolet 6.0L V8 N/A 42DNF GTP 99 All American Racers Juan Manuel Fangio II Willy T. Ribbs Andy Wallace Eagle HF89 60 Toyota 2.1L I4 Turbo 43DNF GTO 62 John Morton Calvin Fish Pete Halsmer Mazda RX-7 50 Mazda 13J-M 2.6L 4-Rotor 44DNF LM 1 Nissan Performance Technology Arie Luyendyk Julian Bailey Derek Daly Nissan R90CK 47 Nissan 3.5L V8 Twin-Turbo 45DNF GTO 06 Overbagh Motor Racing Oma Kimbrough Hoyt Overbagh Mark Montgomery Kent Painter Chevrolet Camaro 37 Chevrolet 6.0L V8 N/A 46DNF GTU 95 Butch Leitzinger David Loring Chuck Kurtz Bob Leitzinger Nissan 240SX 13 Nissan 2.8L V6 N/A DNS GTP 3 Bud Light Jaguar Racing John Nielsen Jaguar XJR-12 - Jaguar 6.5L V12 N/ASource:

References

External links daytonainternationalspeedway.com