The 23rd Annual SunBank 24 at Daytona was a 24-hour endurance sports car race held on February 2–3, 1985^[1] at the Daytona International Speedway road course. The race served as the opening round of the 1985 IMSA GT Championship.

Victory overall and in the GTP class went to the No. 8 Henn's Swap Shop Racing Porsche 962 driven by A. J. Foyt, Bob Wollek, Al Unser, and Thierry Boutsen.^[2][3][4] Victory in the GTO class went to the No. 65 Roush Racing Ford Mustang driven by Wally Dallenbach Jr., John Jones and Doc Bundy. Victory in the Lights class went to the No. 93 Mid-O/Rusty Jones Argo JM16 driven by Kelly Marsh, Ron Pawley, and Don Marsh. Victory in the GTU class went to the No. 71 Team Highball Mazda RX-7 driven by Amos Johnson, Jack Dunham, and Yojiro Terada.

Class winners in bold.

Pos	Class	No	Team	Drivers	Car	Laps
1	GTP	8	Henn's Swap Shop Racing	A. J. Foyt Bob Wollek Al Unser Thierry Boutsen	Porsche 962	703
2	GTP	14	Holbert Racing	Al Holbert Al Unser Jr. Derek Bell	Porsche 962	686
3	GTP	67	BFGoodrich	Jim Busby Rick Knoop Jochen Mass	Porsche 962	674
4	GTP	5	Bob Akin Motor Racing	Hans-Joachim Stuck Bob Akin Paul Miller	Porsche 962	670
5	GTP	7	Bob Akin Motor Racing	Jim Mullen Kees Nierop Ray McIntyre	Porsche 935	668
6	GTP	2	Leon Bros. Racing	Skeeter McKitterick Terry Wolters Art Leon	March 84G	654
7	GTP	1	Leon Bros. Racing	Bill Whittington Randy Lanier Al Leon	March 85G	652
8	GTO	65	Roush Racing	Wally Dallenbach Jr. John Jones Doc Bundy	Ford Mustang	637
9	GTP	9	Personalized Autohaus	Jack Newsum Wayne Baker Chip Mead Ren Tilton	Porsche 935	624
10	Lights	93	Mid-O/Rusty Jones	Kelly Marsh Ron Pawley Don Marsh	Argo JM16	602
11	GTO	53	Mandeville Auto/Tech	Danny Smith Tom Waugh Diego Febles	Mazda RX-7	599
12	GTU	71	Team Highball	Amos Johnson Jack Dunham Yojiro Terada	Mazda RX-7	599
13	Lights	63	RGP 500 Racing	Jim Downing John Maffucci Yoshimi Katayama	Argo JM16	599
14	GTO	09	901 Shop	Mike Schaefer Peter Uria Jack Refenning Larry Figaro	Porsche 911 Carrera RSR	586
15	GTO	90	Road Circuit Tech	Les Delano Andy Petery Tommy Riggins	Pontiac Firebird	578
16	GTO	21	Gopher Motion	Steve Cohen Don Walker William Gelles	Ferrari 512	567
17	GTP	6	Morgan Performance	Charles Morgan Bill Alsup Jim Miller	Royale RP40	564
18	GTU	42	Mike Meyer/Daffy SWR	Scott Pruett Paul Lewis Joe Varde	Mazda RX-7	558
19	GTU	99	All American Racers	Chris Cord Dennis Aase	Toyota Celica	533
20	GTO	92	OMR Engines	Chris Gennone Fern Prego Hoyt Overbagh Lewis Fuller	Chevrolet Camaro	516
21 DNF	GTP	11	Kendall Racing	Chuck Kendall Peter Fitzgerald John Hotchkis	Porsche 935	512
22	GTP	30	Momo Corse	Giampiero Moretti Jim Trueman Massimo Sigala	Alba AR5	505
23	Lights	37	Aerex Manufacturing	Peter Welter Nick Nicholson Tom Burdsall	Tiga GT284	501
24	GTO	96	Allan Moffat Racing	Allan Moffat Gregg Hansford Kevin Bartlett Peter McLeod	Mazda RX-7	482
25	GTU	94	49th Star Racing	William Pfalf Skip Winfree Wally Hopkins	Porsche 911	477
26	GTO	73	Wolf Engines	Clark Howey Dale Koch Tracy Wolf	Chevrolet Camaro	467
27	GTO	78	Raul Garcia	Raul Garcia Eugenio Matienzo	Pontiac Firebird	454
28	GTP	3	Pegasus Racing	Bobby Allison Wayne Pickering Ken Madren	March 84G	437
29	GTO	83	K&P Racing	William Wessel Robert Whitaker Mark Kennedy Karl Keck	Chevrolet Corvette	436
30	GTO	43	Starved Rock Lodge	Rusty Schmidt Scott Schmidt Max Schmidt	Chevrolet Corvette	413
31 DNF	GTO	35	Team Dallas	M. L. Speer Bobby Hefner Jack Griffin	Porsche 911 Carrera RSR	395
32 DNF	GTP	15	Kalagian Racing	John Kalagian John Lloyd Tom Grunnah	March 84G	394
33 DNF	GTP	33	Bo-And Racing	Richard Anderson Bard Boand Mike Brummer	Lola T600	373
34	GTO	22	Walter Johnston	Del Russo Taylor John Hayes-Harlow Bob Lee	Pontiac Firebird	351
35	GTU	49	Conrad Racing	Albert Naon Jr. Dennis Vitolo Fernando Garcia	Porsche 911	336
36 DNF	GTP	45	Conte Racing	John Paul Jr. Bill Adam Whitney Ganz	March 85G	330
37 DNF	GTO	80	Lindley Motor Ltd.	Neil Bonnett Jim Derhaag Les Lindley	Chevrolet Camaro	295
38 DNF	GTO	72	Centurion Auto Trans	Harold Shafer Tom Nehl Kent Painter	Chevrolet Camaro	283
39 DNF	GTO	29	Southern Racing Promins	Gary Baker Robin McCall Joe Ruttman	Chevrolet Corvette	281
40 DNF	GTP	0	Kreepy Krauly Racing	Sarel van der Merwe Tony Martin Ian Scheckter	March 84G	260
41 DNF	GTO	38	Mandeville Auto/Tech	Takashi Yorino Logan Blackburn Roger Mandeville	Mazda RX-7	220
42 DNF	GTU	81	Mosler Racing	Steve Alexander Joe Hill George Alderman	Ferrari 308 GTB/GTS	219
43 DNF	GTO	89	Scorpio Racing	"Jamsal" Eduardo Galdamez "Anbagua"	Porsche 934	217
44 DNF	GTU	55	Preston & Son Enterprises	Robert Peters George Schwarz Andre Schwarz	Mazda RX-7	214
45 DNF	GTU	76	Malibu Grand Prix	Jack Baldwin Ira Young Jeff Kline	Mazda RX-7	205
46 DNF	GTP	44	Group 44	Brian Redman Bob Tullius Hurley Haywood	Jaguar XJR-5	203
47 DNF	GTU	57	Zwiren Racing	Steve Zwiren Tony Pio Costa Mike Allison Wes Donnington	Mazda RX-7	188
48 DNF	GTP	31	Goral Racing	Hugo Gralia Emory Donaldson Paul Goral	Porsche 935	183
49 DNF	GTO	51	Mosler Racing	John McComb Rick Mancuso Fred Fiala	Ferrari 512 BB	171
50 DNF	GTU	17	Al Bacon Racing	Al Bacon Charles Guest Steve Millen	Mazda RX-7	170
51 DNF	GTP	4	Lee Racing	Lew Price Carson Baird Billy Hagan Terry Labonte	Lola T711	160
52 DNF	GTP	29	DeAtley Motorsports	Michael Roe Tommy Byrne Darin Brassfield	March 84G	159
53 DNF	GTP	95	Van Every Racing	Lance van Every Ash Tisdelle Jack Refenning	Porsche 935	157
54 DNF	GTO	06	Roush Racing	John Bauer Jim Miller Willy T. Ribbs	Ford Mustang	157
55 DNF	GTP	04	Group 44	Claude Ballot-Léna Jim Adams Chip Robinson	Jaguar XJR-5	154
56 DNF	GTU	60	Hobbit Racing	Tony Swan Bob Ruth Steve Dietrich	Mazda RX-7	150
57 DNF	GTO	54	Dave Heinz Imports	Dave Heinz Dave Barnett Jerry Thompson	Chevrolet Corvette	138
58 DNF	GTO	66	Bob Beasley	Bob Beasley Jack Lewis Chuck Grantham	Porsche 911 Carrera RSR	118
59 DNF	GTP	68	BFGoodrich	Pete Halsmer Dieter Quester John Morton	Porsche 962	107
60 DNF	GTP	86	Bayside Disposal Racing	Bruce Leven Henri Pescarolo Thierry Boutsen	Porsche 962	101
61 DNF	GTO	97	Scyphers-Ankor Racing	Billy Scyphers Allen Glick Bill Cooper	Chevrolet Corvette	99
62 DNF	GTP	25	Red Lobster Racing	Kenper Miller Dave Cowart Mauricio de Narváez	March 83G	92
63 DNF	GTU	87	Performance Motorsports	Elliott Forbes-Robinson John Schneider Don Istook	Porsche 924 Carrera GTR	89
64 DNF	GTO	58	Coin Operated Racing	Jim Torres Don Kravig Michael Hammond	Porsche 934	86
65 DNF	GTU	13	Rubino Racing	Frank Rubino Dennis Wagoner Ken Knott	Mazda RX-7	67
66 DNF	GTP	20	Spirit of Cleveland	Freddy Baker Don Herman Rich Maher Richard Silver	Porsche 935	62
67 DNF	GTO	70	Ormond Racing	Don Cummings Craig Rubright Greg Walker	Chevrolet Corvette	58
68 DNF	GTP	07	LSJ Racing	Lyn St. James Tim Coconis Eric Lang	Argo JM16	54
69 DNF	GTU	08	Paul Romano	Drake Olson Steve Potter Willard Howe	Mazda RX-7	45
70 DNF	GTU	77	Championship Motorsports	Don Wallace John Petrick Don Sikes	Mazda RX-7	36
71 DNF	GTO	47	Dingman Bros. Racing	Walt Bohren Ron Bouchard Billy Dingman	Pontiac Firebird	35
72 DNF	GTO	41	Unlimited Telephones	Luis Sereix Ralph Noseda	Pontiac Firebird	28
73 DNF	GTU	84	Clay Young	Clay Young	Pontiac Fiero	21
74 DNF	GTP	16	Henn's Swap Shop Racing	Harald Grohs Jean-Louis Schlesser Preston Henn Walter Brun	Porsche 935	15
75 DNF	GTP	61	Team USA/Deco Sales	Steve Shelton Don Courtney Brent O'Neill	Royale RP40	14
76 DNF	GTU	74	Whitehall Motorsports	Paul Gentilozzi Kent Hill Austin Godsey Bobby Akin	Porsche 924 Carrera GTR	12
DNS	GTP	88	Bayside Disposal Racing	Bruce Leven Henri Pescarolo Thierry Boutsen	Porsche 962	-
DNS	GTP	19	Performance Motorcar	Jack Miller Carlos Ramirez Bruce Redding	Nimrod NRA/C2	-
DNS	GTO	64	Rene Rodriguez	Ernesto Soto Rene Rodriguez	Chevrolet Corvette	-
DNS	GTP	05	Hi-Tech Racing	Tico Almeida Miguel Morejon	Porsche 935	-
DNS	GTU	00	Jim Logan	Jim Logan Graham McRae Leonard Yanke	Dodge Daytona	-
DNS	GTU	27	Paul Fortner	Russell Gossett Gary Stephens Paul Wolfe	Datsun 280Z	-
DNS	GTP	85	Ralph Sanchez Racing	Emerson Fittipaldi Tony Garcia Mauricio de Narvaez	March 85G	-
DNQ	GTO	24	Kreider Racing	Dale Kreider Roy Newsome	Chevrolet Camaro	-
DNQ	GTU	34	El Salvador Racing	Alfredo Mena George Drolsom	Porsche 924 Carrera GTR	-
DNQ	GTU	02	RNGC Racing	Dale Kreider Roy Newsome	Mazda RX-7	-
DNQ	GTO	23	Import Restoration	Alan Howes Paul Reisman Bob Hebert	Porsche 911 Carrera RSR	-
DNQ	GTO	69	John Hofstra	John Hofstra Charles Slater	Porsche 911 Carrera RSR	-
DNQ	GTU	79	Whitehall Motorsports	Tom Winters Bob Bergstrom John Casey	Porsche 924 Carrera GTR	-
Source:[2]