The Coca-Cola Twelve Hours of Sebring International Grand Prix of Endurance, was the second round of the 1980 IMSA GT Championship and was held at the Sebring International Raceway, on 22 March 1980. Victory overall went to the No. 6 Dick Barbour Racing Porsche 935 driven by John Fitzpatrick and Dick Barbour.^[1][2][3]

Class winners in bold.

Pos	Class	No	Team	Drivers	Car	Laps
1	GTX	6	Dick Barbour Racing	John Fitzpatrick Dick Barbour	Porsche 935	253
2	GTX	0	Interscope Racing	Ted Field Danny Ongais	Porsche 935	250
3	GTX	93	Whittington Bros.	Don Whittington Bill Whittington Dale Whittington	Porsche 935	247
4	GTX	09	Thunderbird Swap Shop	John Paul Preston Henn Al Holbert	Porsche 935	239
5	GTX	05	Mendez/Woods/Akin	Bob Akin Roy Woods Skeeter McKitterick	Porsche 935	232
6	GTO	44	Group 44	Bob Tullius Bill Adam	Triumph TR8	230
7	GTX	9	Dick Barbour Racing	Bob Garretson Bobby Rahal Kees Nierop	Porsche 935	227
8	GTX	07	Ludwig Heimrath	Ludwig Heimrath Johnny Rutherford Carlos Moran	Porsche 935	224
9	GTU	77	Mandeville Racing	Roger Mandeville Jim Downing Brad Frisselle	Mazda RX-7	222
10	GTX	86	Bayside Disposal Racing	Peter Gregg Hurley Haywood Bruce Leven	Porsche 935	220
11 DNF	GTO	68	Porsche Montecarlo	Luis Mendez Jaime Rodriguez Ernesto Soto	Porsche 911 Carrera RSR	216
12	GTO	03	Toyota Village	Werner Frank James Brolin	Porsche 934	213
13	GTO	92	Framm Promotions	Roger Schramm Rudy Bartling	Porsche 911 Carrera RSR	213
14	GTU	95	Mike Ramirez	Mike Ramirez Manuel Villa Luis Gordillo	Porsche 911	212
15	GTU	96	NTS Racing	Sam Posey George Alderman Fred Stiff	Datsun 240Z	211
16	GTO	37	Botero Racing	Honorato Espinosa Jorge Cortes	Porsche 911 Carrera RSR	211
17	GTU	81	Trinity Racing	Mark Welch Tom Winters Jim Cook	Mazda RX-7	210
18	GTU	34	Drolsom Racing	George Drolsom Bill Johnson Rob Hoskins	Porsche 911	206
19	GTO	56	Rick Borlase	Rick Borlase Don Kravig Michael Hammond	Porsche 911	205
20	GTU	22	R&H Racing	Gary Hirsch Rainer Brezinka Peter Aschenbrenner	Porsche 914	205
21	GTO	98	Van Every Racing	Lance van Every Ash Tisdelle	Porsche 911 Carrera RSR	194
22	GTO	90	Bob's Speed Products	Bob Lee Rick Kump Jim Leo	AMC AMX	191
23 DNF	GTO	54	Montura Racing	Tony Garcia Albert Naon Terry Herman	Porsche 911 Carrera RSR	187
24	GTU	87	Der Klaus Haus	Klaus Bitterauf James Moxley Vicki Smith	Porsche 911	185
25	GTU	31	Lopez Bros.	Juan Lopez Jose Arzeno	Porsche 911	179
26 DNF	GTO	46	de Narvaez Enterprises	Mauricio de Narváez Ricardo Londoño	Porsche 911 Carrera RSR	177
27 DNF	GTX	30	Electrodyne	Giampiero Moretti Giorgio Pianta Renzo Zorzi	Porsche 935	176
28 DNF	GTU	24	DiLella Racing	Vince DiLella Manuel Cueto	Porsche 914-6 GT	172
29	GTO	60	Bill Ferran	Bill Ferran Rusty Bond Jack Refenning	Porsche 911 Carrera RSR	172
30	GTX	25	Red Lobster Racing	Dave Cowart Kenper Miller Derek Bell	BMW M1	172
31 DNF	GTX	80	All Canadian/Peerless	Maurice Carter Craig Carter Murray Edwards	Chevrolet Camaro	167
32	GTO	49	Tortilla Flats Racing	Warwick Henderson Bob Copeman John Humphreys	Porsche 911 Carrera RSR	166
33	GTU	57	Personalized Porsche	Wayne Baker Jeff Scott Dan Gilliland	Porsche 914	163
34	GTU	78	Revolution Wheels	Bruce Nesbitt Alan Johnson	Mazda RX-2	162
35 DNF	GTU	08	Moran Construction	Ray Ratcliff M. L. Speer Terry Wolters	Porsche 911 SC	161
36	GTO	99	National Jets	Russ Boy Tom Hunt	Chevrolet Corvette	160
37 DNF	GTO	51	Kirby-Hitchcock Racing	Robert Kirby Freddy Baker Michael Sherwin	Porsche 911 Carrera RSR	153
38	GTU	79	Sports Ltd. Racing	Bob Bergstrom Patrick Bedard	Mazda RX-7	148
39 DNF	GTO	88	Herb Adams V.S.E.	Herb Adams Jerry Thompson	Pontiac Firebird Trans Am	146
40	GTO	84	Bard Boand Racing	Bard Boand Robert Kivela Ray Irwin	Chevrolet Corvette C2 Sting Ray	140
41	GTX	27	Holley & LaGrow	Kenneth LaGrow William Boyer Jack Turner	Chevrolet Camaro	138
42	GTO	58	Coco Lopez/Piña Colada	Mandy Gonzalez Diego Febles Chiqui Soldevilla	Porsche 934	135
43 DNF	GTU	82	Trinity Racing	John Casey Steve Dietrich Lee Mueller	Mazda RX-7	123
44 DNF	GTU	73	Z&W Enterprises	Pierre Honegger Mark Hutchins Walt Bohren	Mazda RX-7	118
45 DNF	GTO	06	Fassler-Mullen Racing	Jim Mullen Paul Fassler Craig Siebert	Porsche 911 Carrera RSR	108
46	GTO	40	Joe Cotrone	Joe Cotrone Emory Donaldson Phil Currin	Chevrolet Corvette	106
47 DNF	GTO	12	Oftedahl Tracking	Bob Young Bob Lazier	Chevrolet Camaro	101
48 DNF	GTX	3	Jim Busby Industries	Jim Busby Bruce Jenner Rick Knoop	BMW M1	100
49 DNF	GTX	55	Condor Racing	Ralph Kent-Cooke Lyn St. James	Porsche 935	87
50 DNF	GTU	70	Chris Doyle	Chris Doyle Charles Guest Mike Meyer	Mazda RX-7	87
51 DNF	GTX	7	Caribbean AMC/Jeep	Lou Statzer Amos Johnson Dennis Shaw	AMC Spirit AMX	84
52 DNF	GTO	32	Scorpio Racing	"Jamsal" Carlos Pineda Eduardo Barrientos	Porsche 911 Carrera RSR	80
53 DNF	GTO	10	Oftedahl Trucking	Dave Heinz Bob Nagel	Chevrolet Camaro	74
54 DNF	GTO	38	Boricua Racing	Bonky Fernandez Tato Ferrer Ulrich Lange	Porsche 911 Carrera RSR	73
55 DNF	GTU	23	Metalcraft Racing	Bob Zulkowski Dennis Brisken Gary Nylander	Porsche 914	73
56 DNF	GTU	71	Bruce Jennings	Bruce Jennings Bill Bean Tom Ashby	Porsche 911	69
57 DNF	GTO	83	David Deacon	David Deacon Peter Moennick	Porsche 911 Carrera RSR	63
58 DNF	GTO	15	Bavarian Motors International	Alf Gebhardt Bruno Beilicke	BMW 3.5 CSL	63
59 DNF	GTO	14	George Garcia	George Garcia Vic Shinn Daniel Vilarchao	Chevrolet Corvette	63
60 DNF	GTX	4	Dick Barbour Racing	Buzz Marcus Bob Harmon Marty Hinze	Porsche 935	52
61 DNF	GTX	13	Andial Racing	Randolph Townsend John Morton Howard Meister	Porsche 935 K3	52
62 DNF	GTU	35	Janis Taylor	Del Russo Taylor Janis Taylor Dave Cavenaugh	Alfa Romeo Alfetta	51
63 DNF	GTX	50	Shulnburg Scrap Metal	R. V. Shulnburg Michael Keyser Tim Morgan	Chevrolet Corvette	49
64 DNF	GTX	5	Mendez/Woods/Akin	Charles Mendez Brian Redman Paul Miller	Porsche 935 K3	49
65 DNF	GTO	41	Jones Industries Racing	Herb Jones Jr. Steve Faul Kent Combs	Buick Skylark	43
66 DNF	GTU	66	George R. Shafer	George Shafer Craig Shafer Al Crookston	Datsun 240Z	37
67 DNF	GTO	89	Hector Huerta Racing	Ernesto Soto Luis Rodriguez	Porsche 911 Carrera RSR	35
68 DNF	GTX	02	T&R Racing	Tico Almeida Rene Rodriguez Gabriel Riano	Chevrolet Corvette C3	33
69 DNF	GTO	65	Jeffrey Loving	Ralph Noseda Jeff Loving Richard Small	Chevrolet Camaro	28
70 DNF	GTO	48	Dynasales	John Carusso	Chevrolet Corvette	28
71 DNF	GTO	12	Performance Marine	Ford Smith Bruce Jernigan Jimmy Tumbleston	Chevrolet Camaro	28
72 DNF	GTU	8	A. I. Honda	Anatoly Arutnoff Jose Marina	Lancia Stratos	23
73 DNF	GTU	85	John E. Hulen	John Hulen Ron Coupland	Porsche 914	20
74 DNF	GTO	17	Tim Chitwood	Tim Chitwood Sam Fillingham Vince Gimondo	Chevrolet Nova	19
75 DNF	GTO	28	Hamilton House Racing	Robert Overby Joseph Hamilton Herb Forrest	Porsche 911S	12
76 DNF	GTU	74	Z&W Enterprises	Carlos Ramirez Neale Messina Chester Vincentz	Mazda RX-7	8
77 DNF	GTO	61	Tim Morgan	Vince Muzzin Marcus Opie Tim Evans	Chevrolet Corvette	5
78 DNF	GTX	62	Tom's/Dome/Kegel Enterprises	Nobuhide Tachi Bill Koll Tim Sharp	Dome Celica Turbo	4
79 DNF	GTU	36	Case Racing	Dave Panaccione Ron Case Jack Rynerson	Porsche 911	4
DNS	GTX	53	Bruce Leven	Bruce Leven Hurley Haywood	Porsche 935	0
DNS	GTU	01	Midwest BMW Service	H. David Redszus Leo Franchi Merv Rosen	BMW 2002	0
DNS	GTO	47	Dennis Mikell	Terry Keller Bob Gray Scott Chapman	Chevrolet Corvette	0
DNS	GTU	67	Manuel Quintana Racing	Manuel Quintana Fernando Garcia	Porsche 911	0