| Pos | Class | No | Team | Drivers | Car | Laps |
| 1 | GTP | 14 | Holbert Racing | Al Holbert
Derek Bell
Al Unser Jr. | Porsche 962 | 712 |
| 2 | GTP | 8 | Henn's Swap Shop Racing | A. J. Foyt
Arie Luyendyk
Danny Sullivan
Preston Henn | Porsche 962 | 712 |
| 3 | GTP | 67 | BFGoodrich | Derek Warwick
Darin Brassfield
Jim Busby
Jochen Mass | Porsche 962 | 711 |
| 4 | GTO | 64 | Raintree Corporation | Lee Mueller
Maurice Hassey
Lanny Hester | Ford Mustang | 622 |
| 5 | GTO | 07 | 7-Eleven/Roush Racing | Scott Pruett
Klaus Ludwig
Bruce Jenner | Ford Mustang | 614 |
| 6 | GTP | 44 | Group 44 | Bob Tullius
Claude Ballot-Léna
Chip Robinson | Jaguar XJR-7 | 607 |
| 7 | Lights | 13 | Outlaw Racing | Frank Rubino
Ray Mummery
John Schneider | Argo JM19 | 600 |
| 8 | GTU | 71 | Team Highball | Amos Johnson
Dennis Shaw
Jack Dunham | Mazda RX-7 | 597 |
| 9 | Lights | 35 | Xtra Super Food CNT | Mandy Gonzalez
Ernesto Soto
Basilio Davila
Diego Montoya | Royale RP40 | 579 |
10 DNF | GTU | 75 | CCR | Bob Reed
Tommy Kendall
John Hogdal | Mazda RX-7 | 563 |
| 11 | GTU | 32 | Alderman Nissan | Bob Leitzinger
Mike Carder
Louis Baldwin
Steve Alexander | Nissan 280ZX | 537 |
12 DNF | GTP | 68 | BFGoodrich | Jan Lammers
John Morton
Derek Warwick | Porsche 962 | 512 |
| 13 | GTO | 34 | Latino Racing | Kikos Fonseca
Luis Mendez
"Jamsal" | Porsche 934 | 512 |
| 14 | Lights | 27 | MSB Racing | Dave Cowart
Kenper Miller
Jim Fowells | Argo JM19 | 511 |
15 DNF | GTO | 76 | Walker Racing | Nort Northam
Greg Walker
Craig Rubright | Chevrolet Corvette | 506 |
| 16 | GTO | 98 | All American Racers | Dennis Aase
Chris Cord | Toyota Celica Turbo | 489 |
17 DNF | Lights | 93 | Mid O/Rusty Jones | Ron Pawley
Don Marsh
Kelly Marsh | Argo JM16 | 482 |
| 18 | GTU | 17 | Al Bacon Racing | Al Bacon
Bill Scott
Dennis Krueger | Mazda RX-7 | 482 |
19 DNF | Lights | 66 | STS-Mike Meyer Racing | Jim Rothbarth
Jeff Kline
Mike Meyer | Mazda RX-7 | 477 |
| 20 | GTO | 55 | Dave Heinz Imports | Dave Heinz
Steve Zwiren
Don Yenko
Jerry Thompson | Chevrolet Corvette | 472 |
21 DNF | GTU | 02 | Roy Newsome Racing | Richard Stevens
Luis Sereix
Roy Newsome
Dale Kreider | Mazda RX-7 | 453 |
| 22 | GTO | 47 | Dingman Bros. Racing | Steve Millen
Elliott Forbes-Robinson
Tommy Riggins | Pontiac Firebird | 438 |
23 DNF | GTO | 72 | Whitehall Rocketsports | Bob Bergstrom
Gene Felton
Paul Gentilozzi | Oldsmobile Toronado | 434 |
24 DNF | GTP | 04 | Group 44 | Vern Schuppan
Brian Redman
Hurley Haywood | Jaguar XJR-7 | 430 |
25 DNF | Lights | 01 | AT&T Spice Engineering | Don Bell
Terry Wolters
Craig Carter | Royale RP40 | 406 |
26 DNF | GTP | 00 | Hotchkis Racing, Inc. | Jim Adams
Costas Los
John Hotchkis | March 83G | 402 |
27 DNF | GTO | 62 | Roush Racing | Tim Coconis
Fernando Robles
Chris Marte | Ford Mustang | 368 |
28 DNF | GTO | 88 | Morrison Cook Motorsport | Jack Baldwin
Bob McConnell
Tommy Morrison
Don Knowles | Chevrolet Corvette | 365 |
| 29 | GTP | 82 | K&P Racing | William Wessel
Mark Kennedy
David Fuller
Karl Keck | Chevrolet Corvette | 340 |
30 DNF | GTO | 87 | Morrison Cook Motorsport | Ron Grable
Don Knowles
John Heinricy
Bobby Carradine | Chevrolet Corvette | 331 |
31 DNF | GTO | 29 | OMR Engines | Oma Kimbrough
Chris Gennone
Hoyt Overbagh
Pieter Baljet | Chevrolet Camaro | 328 |
32 DNF | GTP | 16 | Dyson Racing | Drake Olson
Price Cobb
Rob Dyson | Porsche 962 | 320 |
33 DNF | GTP | 45 | RC Buick Hawk/Conte | John Paul Jr.
Chip Ganassi
Ivan Capelli
Whitney Ganz | March 85G | 310 |
34 DNF | GTO | 83 | Import Restorations | Paul Reisman
Bob Hebert
Tom Gaffney
Richard Stone | Pontiac Firebird | 296 |
35 DNF | Lights | 80 | Carma Racing | Martino Finotto
Ruggero Megrati
Almo Coppelli | Alba AR6 | 291 |
36 DNF | GTO | 30 | Skoal Bandit | Buz McCall
Pancho Carter
Jim Mueller
Tom Sheehy | Chevrolet Camaro | 285 |
37 DNF | Lights | 6 | Morgan Performance | Charles Morgan
Logan Blackburn
David Simpson | Tiga GT286 | 279 |
38 DNF | GTP | 33 | Bo-And Racing | Bard Boand
Richard Anderson
Mike Allen | Lola T600 | 266 |
39 DNF | GTP | 99 | R. B. Promotions | David Andrews
Steve Phillips
Duncan Bain | Tiga GC285 | 244 |
40 DNF | GTO | 50 | Folgers/Motorcraft | Bill Elliott
Ricky Rudd
Kyle Petty
Ken Schrader | Ford Mustang | 240 |
41 DNF | GTO | 56 | Ricardo Londoño | Diego Montoya
Albert Naon Jr.
Carlos Migoya | Pontiac Firebird | 238 |
42 DNF | GTU | 38 | Mandeville Auto/Tech | Roger Mandeville
Danny Smith
Diego Febles | Mazda RX-7 | 229 |
43 DNF | GTU | 78 | 901 Racing | Peter Uria
Larry Figaro
Jack Refenning | Porsche 911 Carrera RSR | 203 |
44 DNF | GTO | 26 | Walter Johnston | Ken Bupp
John Hayes-Harlow
Del Russo Taylor | Pontiac Firebird | 195 |
45 DNF | Lights | 63 | Certified Brakes | Jim Downing
John O'Steen
John Maffucci | Argo JM19 | 184 |
46 DNF | GTP | 3 | Brun Motorsports | Thierry Boutsen
Oscar Larrauri | Porsche 962 | 176 |
47 DNF | Lights | 9 | Rinzler Motoracing | Mike Brockman
Steve Durst
Deborah Gregg
Jim Trueman | Tiga GT285 | 156 |
48 DNF | GTO | 77 | Brooks Racing | Leo Franchi
Steve Gentile
Rick Knoop | Ford Thunderbird | 150 |
49 DNF | GTP | 10 | Leeward Racing | Jim Leeward
Bill Adam
Chip Mead | March 82G | 123 |
50 DNF | GTP | 2 | Leon Bros. Racing | Al Leon
Jim Fitzgerald
Harald Grohs
Art Leon | March 85G | 117 |
51 DNF | GTU | 54 | SP Racing/Escort | Karl Durkheimer
Gary Auberlen
Cary Eisenlohr
Peter Jauker | Porsche 911 Carrera | 117 |
52 DNF | GTP | 86 | Bayside Disposal Racing | Bob Wollek
Derek Daly
Bruce Leven | Porsche 962 | 116 |
53 DNF | GTP | 4 | Lee Racing | Lew Price
Jim Mullen
Matt Whetstine | Chevrolet Corvette GTP | 104 |
54 DNF | GTU | 89 | Tom Hunt | Tom Hunt
James Shelton
Paul Romano
Russ Boy | Mazda RX-7 | 85 |
55 DNF | GTP | 06 | Hi-Tech Racing | Miguel Morejon
Joe Varde
Tico Almeida | Porsche 935 M16 | 83 |
56 DNF | GTO | 43 | Global American | Steve Cohen
David Christian
Tom Congleton | BMW M1 | 68 |
57 DNF | GTO | 90 | Road Circuit Technology | Les Delano
Andy Petery | Pontiac Firebird | 67 |
58 DNF | Lights | 37 | Burdsall-Newsome Racing | Peter Welter
Roy Newsome
Tom Burdsall | Tiga GT285 | 66 |
59 DNF | GTU | 36 | Case Racing | Dave Panaccione
Ron Case | Porsche 924 Carrera GTR | 65 |
60 DNF | Lights | 11 | Kendall Racing | Paul Lewis
Chuck Kendall
Tommy Kendall
Max Jones | Lola T616 | 48 |
61 DNF | GTO | 25 | Lucas Truck Service | Robert Peters
Kent Painter
Tom Nehl
Scott Gaylord | Chevrolet Camaro | 37 |
62 DNF | GTP | 5 | Bob Akin Motor Racing | Hans-Joachim Stuck
Bob Akin
Jo Gartner | Porsche 962 | 29 |
63 DNF | GTP | 46 | RC Buick Hawk/Conte | Whitney Ganz
Ken Madren
Bob Lobenberg | March 85G | 27 |
64 DNF | GTP | 0 | Joest Racing | Paolo Barilla
Randy Lanier
Giampiero Moretti | Porsche 962 | 6 |
65 DNF | GTO | 92 | Van Every Racing | Ash Tisdelle
Lance van Every
Rusty Bond | Chevrolet Camaro | 6 |
66 DNF | GTO | 28 | Texas Enterprises/US Tobacco | Terry Labonte
Harry Gant
Phil Parsons | Oldsmobile Calais | 3 |
| DNS | GTP | 52 | Hendrick Motorsports | Sarel van der Merwe
Doc Bundy
Wally Dallenbach Jr. | Chevrolet Corvette GTP | - |
| DNS | GTP | 48 | Global American | Don Walker
Brian Goellnicht
Charles Monk | March 83G | - |
| DNS | GTO | 74 | Bill McDill | Bill McDill
Richard McDill
Tom Juckette | Chevrolet Camaro | - |
| DNS | GTU | 57 | Kryderacing | Reed Kryder
Tom Palmer
Fred Staffilino
Rod Whelan | Nissan 280ZX | - |
| Source:[5][6] |