The 27th Annual SunBank 24 at Daytona was a 24-hour endurance sports car race held on February 4–5, 1989^[1] at the Daytona International Speedway road course. The race served as the opening round of the 1989 IMSA GT Championship.

Victory overall and in the GTP class went to the No. 67 Miller High Life/BF Goodrich 962 Porsche 962 driven by Bob Wollek, Derek Bell, and John Andretti.^[2][3] Victory in the Lights class went to the No. 9 Essex Racing Tiga GT288 driven by Charles Morgan, John Morrison, and Tom Hessert Jr. The GTO class was won by the No. 16 Stroh's Light Cougar Mercury Cougar XR-7 driven by Pete Halsmer, Bob Earl, Mark Martin, and Paul Stewart. Finally, the GTU class was won by the No. 17 Al Bacon Performance Mazda RX-7 driven by Al Bacon, Bob Reed, and Rod Millen.

Race results

Class winners in bold.

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	GTP	67	Miller High Life/BF Goodrich 962	Bob Wollek Derek Bell John Andretti	Porsche 962	BF	621
					Porsche 3.0L Flat 6 Turbo
2	GTP	61	Castrol Jaguar Racing	Price Cobb John Nielsen Andy Wallace Jan Lammers	Jaguar XJR-9	D	621
					Jaguar 6.0L V12 N/A
3	GTP	3	Brun Motorsports/Kalagian Racing	Oscar Larrauri Walter Brun Hans-Joachim Stuck	Porsche 962	Y	603
					Porsche 3.0L Flat 6 Turbo
4	GTP	86	Texaco Havoline Star Bayside Motorsports	Klaus Ludwig James Weaver Sarel van der Merwe	Porsche 962	G	600
					Porsche 3.0L Flat 6 Turbo
5	GTP	77	Mazda Motors of America	Yoshimi Katayama Takashi Yorino Elliott Forbes-Robinson	Mazda 767B	D	559
					Mazda 2.6L 4 Rotor
6	GTO	16	Stroh's Light Cougar	Pete Halsmer Bob Earl Mark Martin Paul Stewart	Mercury Cougar XR-7	G	554
					Ford 6.0L V8 N/A
7	GTO	11	Stroh's Light Cougar	Wally Dallenbach Jr. Dorsey Schroeder Mark Martin	Mercury Cougar XR-7	G	534
					Ford 6.0L V8 N/A
8	Lights	9	Essex Racing	Charles Morgan John Morrison Tom Hessert Jr.	Tiga GT288	G	530
					Buick 3.0L V6 N/A
9	GTO	92	Motorcraft	Bob Zeeb Jeff Purner Bobby Akin	Mercury Capri	G	530
					Ford 6.0L V8 N/A
10	GTO	90	Road Circuit Technology	Andy Petery Les Delano Craig Carter	Mercury Capri	G	528
					Ford 6.0L V8 N/A
11	GTO	38	Mandeville Auto/Tech	Roger Mandeville Kelly Marsh Brian Redman	Mazda RX-7	Y	528
					Mazda 1.9L 3 Rotor
12	GTU	17	Al Bacon Performance	Al Bacon Bob Reed Rod Millen	Mazda RX-7	F	526
					Mazda 1.3L Rotary
13 DNF	GTU	95	Fastcolor Images	Bob Leitzinger Chuck Kurtz Butch Leitzinger	Nissan 240SX	T	517
					Nissan 3.0L V6 N/A
14	GTU	71	Team Highball	Amos Johnson Dennis Shaw Bob Lazier	Mazda RX-7	Y	516
					Mazda 1.3L Rotary
15	GTP	8	Fabcar American Racing	Tim McAdam Bill Adam Chip Mead	Fabcar GTP	G	515
					Chevrolet 6.0L V8 N/A
16	GTU	89	901 Racing	Jack Refenning Rusty Scott Freddy Baker Peter Uria	Porsche 911 Carrera RSR	F	511
					Porsche 3.2L Flat 6 N/A
17	GTO	03	Skoal Bandit Racing	Tommy Kendall Max Jones Buz McCall Jack Baldwin	Chevrolet Camaro	G	498
					Chevrolet 5.5L V8 N/A
18 DNF	GTP	64	Bernard Jourdain	Bernard Jourdain Oscar Manautou Allen Berg Andres Contreras	Porsche 962	G	485
					Porsche 3.0L Flat 6 Turbo
19	GTU	62	Alex Job Racing	Terry Wolters Chris Kraft Rusty Bond Alex Job	Porsche 911	G	485
					Porsche 3.0L Flat 6 N/A
20 DNF	GTP	10	Hotchkis Racing	Jim Adams John Hotchkis John Hotchkis Jr.	Porsche 962	G	483
					Porsche 3.0L Flat 6 Turbo
21	GTU	82	Aspen Inn	Dick Greer Mike Mees John Finger	Mazda RX-7	Y	478
					Mazda 1.3L Rotary
22	Lights	40	Bieri Racing	Martino Finotto Paolo Guatamacchi Uli Bieri	Tiga GT286	G	475
					Ferrari 3.0L V8 N/A
23	Lights	55	Huffaker Racing	Dan Marvin Alan Freed Mike Allison Scott Liebler	Spice SE86CL	F	471
					Pontiac 3.0L I4 N/A
24	GTP	5	Tom Milner Racing	Jean-Pierre Frey Marty Roth Albert Naon Jr.	Ford Mustang Probe	G	465
					Ford 6.0L V8 N/A
25	Lights	26	MSB Racing	Dave Cowart Scott Brayton Mike Meyer Jim Fowells	Argo JM19	G	460
					Mazda 1.3L 2 Rotor
26 DNF	Lights	4	Buick/Quaker State	Linda Ludemann Scott Schubot John Williams	Spice SE88P	G	456
					Buick 3.0L V6 N/A
27 DNF	GTP	83	Electramotive Engineering	Arie Luyendyk Chip Robinson Geoff Brabham Michael Roe	Nissan GTP ZX-Turbo	G	453
					Nissan 3.0L V6 Turbo
28 DNF	GTP	33	Old Spice Pontiac	Dieter Quester Costas Los Jeff Kline	Spice SE88P	G	427
					Pontiac 5.0L V8 N/A
29 DNF	GTP	09	Ball Bros. Racing	Steve Durst Jay Cochran Mike Brockman Tony Belcher	Spice SE88P	G	426
					Buick 4.5L V6 N/A
30 DNF	Lights	63	Mazda Motors of America	Howard Katz Jim Downing John O'Steen John Maffucci	Argo JM19	G	412
					Mazda 1.3L 2 Rotor
31 DNF	Lights	43	Motorsports Marketing	John Higgins Lorenzo Lamas Buddy Lazier Justus Reid	Fabcar CL	G	395
					Porsche 3.0L Flat 6 N/A
32	Lights	75	Jack Engelhardt	Max Schmidt Todd Brayton Rusty Schmidt Jack Engelhardt	Badger BB	G	391
					Mazda 1.3L 2 Rotor
33 DNF	GTO	35	Budweiser Racing	Craig Rubright Jean-Paul Libert Kermit Upton	Chevrolet Camaro	G	360
					Chevrolet 5.5L V8 N/A
34 DNF	GTU	04	SP Racing	Gary Auberlen Bill Auberlen Cary Eisenlohr Monte Shelton	Porsche 911 Carrera	G	351
					Porsche 3.0L Flat 6 N/A
35 DNF	Lights	05	Diman Racing	Tato Ferrer Rolando Falgueras Manuel Villa Mandy Gonzalez	Royale RP40	G	349
					Porsche 3.0L Flat 6 N/A
36 DNF	GTP	85	Texaco Havoline Star Bayside Motorsports	Bruce Leven Rob Dyson Dominic Dobson John Paul Jr.	Porsche 962	G	347
					Porsche 3.0L Flat 6 Turbo
37 DNF	GTP	0	Joest Racing	Frank Jelinski Claude Ballot-Léna Jean-Louis Ricci	Porsche 962	G	346
					Porsche 3.0L Flat 6 Turbo
38 DNF	GTU	87	Overton Autosport	Lance Stewart Ron Cortez Jeff Alkazian Chet Fillip	Mazda RX-7	F	344
					Mazda 1.3L Rotary
39	GTO	51	Caribbean Sol	Jack Boxstrom Dale Kreider Mark Porcaro Carson Hurley	Buick Somerset	G	341
					Buick 6.0L V8 N/A
40	GTO	32	Oftedahl Racing	Ric Moore Pieter Baljet Randy McDonald	Buick Somerset	F	335
					Buick 5.7L V8 N/A
41 DNF	GTU	74	Huffaker Racing	George Robinson Bart Kendall Johnny Unser	Pontiac Fiero	F	323
					Pontiac 3.0L I4 N/A
42 DNF	Lights	91	G.T. Motorsport	David LaCroix David Seabroke Buzzy Smith Tommy Johnson	Tiga GT285	G	310
					Mazda 1.3L 2 Rotor
43 DNF	GTP	60	Castrol Jaguar Racing	Jan Lammers Davy Jones Raul Boesel	Jaguar XJR-9	D	288
					Jaguar 6.0L V12 N/A
44 DNF	GTO	53	Chateau Souverain	Richard McDill Robert Whitaker Bill McDill	Chevrolet Camaro	G	287
					Chevrolet 6.0L V8 N/A
45	GTO	94	Spirit of Brandon	Steve Burgner Ken Bupp Henry Brosnaham Robert Peters Mark Montgomery	Chevrolet Camaro	G	269
					Chevrolet 6.0L V8 N/A
46 DNF	Lights	28	Far Western Bank Canada Shoes	Tony Adamowicz Albert Rocca Tomas Lopez Aurelio Lopez	Tiga GT286	G	266
					Mazda 1.3L 2 Rotor
47 DNF	GTP	68	Busby Racing	Mario Andretti Michael Andretti	Porsche 962	BF	237
					Porsche 3.0L Flat 6 Turbo
48 DNF	Lights	02	Taymay, Inc.	Parker Johnstone Frank Everett Ron Nelson	Spice SE86CL	G	229
					Pontiac 3.0L I4 N/A
49 DNF	GTO	31	A&R Auto Electric	Wayne Akers Kent Painter Anthony Puleo David Donner	Chevrolet Camaro	G	217
					Chevrolet 5.7L V8 N/A
50 DNF	GTP	98	All American Racers	Drake Olson Chris Cord Steve Bren	Toyota 88C	G	180
					Toyota 2.1L I4 Turbo
51 DNF	Lights	88	Transact, Inc.	Tom Phillips Steve Johnson Bob Lesnett	Argo JM19	G	165
					Ferrari 3.0L V8 N/A
52 DNF	GTO	46	Gultwind Marine	Daniel Urrutia Gene Whipp Gary Smith Jack Swanson	Chevrolet Camaro	G	160
					Chevrolet 5.7L V8 N/A
53 DNF	GTU	07	Full Time Racing	Tommy Riggins Joe Varde Kal Showket	Dodge Daytona	Y	156
					Dodge 2.4L I4 N/A
54 DNF	GTU	57	Kryder Racing	Reed Kryder Zoltan Polony Brian Goodwin Craig Shafer	Nissan 300ZX	G	142
					Nissan 3.0L V6 N/A
55 DNF	GTP	6	Tom Milner Racing	Tom Pumpelly Ruggero Melgrati Jack Baldwin	Ford Mustang Probe	G	117
					Ford 2.1L I4 Turbo
56 DNF	Lights	36	Erie Scientific	John Grooms John Fergus Frank Jellinek Charles Monk	Argo JM16	G	111
					Mazda 1.3L 2 Rotor
57 DNF	GTO	47	Chaunce Wallace	Jim Burt Nort Northam Chaunce Wallace	Chevrolet Camaro	G	111
					Chevrolet 5.1L V8 N/A
58 DNF	GTO	27	Rocketsports Racing	Scott Pruett Jerry Clinton Les Lindley Paul Gentilozzi	Oldsmobile Cutlass	G	101
					Chevrolet 6.0L V8 N/A
59 DNF	Lights	20	Kennedy Groves	Fred Phillips Ron McKay Randy Pobst	Tiga GT285	H	92
					Mazda 1.3L 2 Rotor
60 DNF	GTP	30	Torno-Momo	Massimo Sigala Mauro Baldi Giampiero Moretti Stanley Dickens	Porsche 962	G	80
					Porsche 3.0L Flat 6 Turbo
61 DNF	GTP	84	Electramotive Engineering	Michael Roe Geoff Brabham Chip Robinson Arie Luyendyk	Nissan GTP ZX-Turbo	G	51
					Nissan 3.0L V6 Turbo
62 DNF	GTO	12	Del Russo Taylor	Ken Bupp Robert Peters Del Russo Taylor Mark Montgomery Paul Goral	Pontiac Firebird	G	50
					Pontiac 6.0L V8 N/A
63 DNF	GTO	29	Overbagh Motor Racing	Oma Kimbrough Robert Kahn Hoyt Overbagh Robert Siegal Robert Peters	Chevrolet Camaro	G	31
					Chevrolet 6.0L V8 N/A
64 DNF	Lights	58	Gary Wonzer Racing	Bill Bean Michael Dow Gary Wonzer	Lola T616	H	19
					Mazda 1.3L 2 Rotor
65 DNF	GTO	96	Paul Reisman	Paul Reisman Bob Hebert Tom Gaffney Doug Mills	Chevrolet Camaro	F	4
					Chevrolet 5.8L V8 N/A
66 DNF	GTU	72	Jay Kjoller	Jay Kjoller Patrick Mooney Robin Boone Bob Dotson	Porsche 911	F	2
					Porsche 3.2L Flat 6 N/A
67 DNF	GTP	66	Castrol Jaguar Racing	Derek Daly Martin Donnelly Patrick Tambay	Jaguar XJR-9	D	1
					Jaguar 6.0L V12 N/A
DNS	GTP	7	Tom Milner Racing	Lyn St. James David Loring Marty Roth	Ford Mustang Probe	?	-
					?
DNS	Lights	79	Whitehall Motorsports	Jim Rothbarth Mike Ciasulli Kenper Miller Gene Felton	Spice SE87L	G	-
					Pontiac 2.7L I4 N/A
Source:[2]