| Engine |
| 1 | GTP | 83 | United States Nissan Performance Technology | Australia Geoff Brabham Republic of Ireland Derek Daly Australia Gary Brabham | Nissan NPT-90 | G | 298 |
| Nissan 3.0L Turbo V6 |
| 2 | GTP | 84 | United States Nissan Performance Technology | United States Chip Robinson United States Bob Earl United Kingdom Julian Bailey | Nissan NPT-90 | G | 297 |
| Nissan 3.0L Turbo V6 |
| 3 | GTP | 6 | Germany Joest Porsche Racing | France Bob Wollek Germany Bernd Schnieder Italy Massimo Sigala | Porsche 962C | G | 296 |
| Porsche 3.0L Turbo Flat-6 |
| 4 | GTP | 7 | Germany Joest Porsche Racing | Germany Frank Jelinski France Henri Pescarolo Germany "John Winter" | Porsche 962C | G | 295 |
| Porsche 3.0L Turbo Flat-6 |
| 5 | GTP | 3 | United Kingdom Bud Light/Jaguar Racing | United States Davy Jones Brazil Raul Boesel Denmark John Nielsen | Jaguar XJR-12D | G | 284 |
| Jaguar 6.5L V12 |
| 6 | GTP | 4 | United States Tom Milner Racing | United States Brian Bonner United States Scott Sharp United States Jeff Kline | Spice SE89P | G | 283 |
| Chevrolet 6.0L V8 |
| 7 | Lights | 8 | United States Essex Racing | United States Charles Morgan United States Jim Pace | Kudzu DG-1 | G | 280 |
| Buick 3.0L V6 |
| 8 | GTO | 15 | United States Roush Racing | United States Max Jones United States Robby Gordon | Ford Mustang | G | 279 |
| Ford 6.0L V8 |
| 9 | GTP | 10 | United States Hotchkiss Racing | United States Chris Cord Brazil Jim Adams United States John Hotchkiss | Spice SE90P | G | 278 |
| Pontiac 6.0L V8 |
| 10 | GTP | 30 | Germany Momo/Gebhardt Racing | Italy Giampiero Moretti Germany Hellmut Mundas Sweden Stanley Dickens | Porsche 962C | G | 277 |
| Porsche 3.0L Turbo Flat-6 |
| 11 | GTO | 75 | United States Clayton Cunningham Racing | Canada Jeremy Dale New Zealand Steve Millen United States Johnny O'Connell | Nissan 300ZX | Y | 277 |
| Nissan 2.8L Turbo V6 |
| 12 | GTO | 63 | United States Mazda USA | United States John O'Steen United States Price Cobb | Mazda RX-7 | G | 284 |
| Mazda 2.6L 4-rotor |
| 13 | GTO | 12 | United States Roush Racing | United States Dorsey Schroeder United States John Fergus | Ford Mustang | G | 271 |
| Ford 6.0L V8 |
| 14 | GTO | 62 | United States Mazda USA | United Kingdom Calvin Fish United States Pete Halsmer United States John Morton | Mazda RX-7 | G | 270 |
| Mazda 2.6L 4-rotor |
| 15 | Lights | 33 | United Kingdom Spice Engineering USA | Italy Almo Coppelli United States Jay Hill | Spice SE90P | G | 265 |
| Buick 3.0L V6 |
| 16 | GTO | 92 | United States Morrison Motorsports | United Kingdom Andy Pilgrim United States R. K. Smith | Chevrolet Corvette ZR-1 | G | 260 |
| Chevrolet 5.7L V8 |
| 17 | GTU | 95 | United States Leitzinger Racing | United States Bob Leitzinger United States David Loring | Nissan 240SX | T | 257 |
| Nissan 3.0L V6 |
| 18 DNF | GTP | 99 | United States All American Racers | Argentina Juan Manuel Fangio II United States Willy T. Ribbs | Eagle-Toyota HF90 | G | 256 |
| Toyota 3S-GTM 2.1L Turbo I4 |
| 19 | GTO | 90 | United States Roush Racing | United States Jim Stevens United States James Jaeger United States Don Walker | Ford Mustang | G | 250 |
| Ford 6.0L V8 |
| 20 | GTU | 26 | United States Alex Job Racing | United States Alex Job United States Peter Kraft United States Jack Refenning | Porsche 911 | G | 247 |
| Porsche 3.2L Flat-6 |
| 21 | Lights | 18 | United States Carlos Bobeda Racing | United States Andy Evans United States George Robinson United States Carlos Bobeda | Spice SE90P | G | 236 |
| Buick 3.0L V6 |
| 22 | GTU | 69 | United States North Coast Racing | United States Brad Hoyt United States Leighton Reese | Mazda RX-7 | F | 234 |
| Mazda 1.3L 2-rotor |
| 23 | GTU | 82 | United States Greer Racing | United States Dick Greer United States Al Bacon United States Peter Uria | Mazda RX-7 | G | 232 |
| Mazda 1.3L 2-rotor |
| 24 | Lights | 54 | United States HDF Motorsports | United States Michael Dow Canada David Tennyson United States Ken Knott | Spice SE89P | G | 227 |
| Buick 3.0L V6 |
| 25 DNF | GTP | 24 | United States John Shapiro | United Kingdom James Weaver United States John Paul Jr. | Porsche 962 GTi | G | 218 |
| Porsche 3.0L Turbo Flat-6 |
| 26 | GTU | 57 | United States Kryderacing | United States Reed Kryder United States Frank Del Vecchio United States Joe Danaher | Nissan 240SX | G | 207 |
| Nissan 3.0L V6 |
| 27 DNF | Lights | 48 | United States Comptech Racing | United States Parker Johnstone United States Doug Peterson | Spice SE90P | BF | 204 |
| Acura 3.0L V6 |
| 28 | GTO | 04 | United States Henry Brosnaham | United States Henry Brosnaham United States Steve Roberts United States Bobby Scolo United States Paul Mazzacane Canada Richard Andison | Chevrolet Camaro | G | 166 |
| Chevrolet 5.9L V8 |
| 29 DNF | GTP | 5 | United States Tom Milner Racing | United States Tim McAdam United States Jeff Purner United States Fred Phillips | Spice SE89P | G | 165 |
| Chevrolet 6.0L V8 |
| 30 DNF | Lights | 80 | Canada Bieri Racing | Italy Ruggero Melgrati Italy Martino Finotto Spain Fermín Vélez | Spice SE89P | G | 147 |
| Ferrari 3.0L V8 |
| 31 DNF | GTU | 37 | Colombia Botero Racing | New Zealand Rob Wilson Colombia Felipe Solano Colombia Francisco López Colombia Honorato Espinosa | Mazda MX-6 | Y | 140 |
| Mazda 1.3L 2-rotor |
| 32 DNF | Lights | 40 | Canada Bieri Racing | Canada Uli Bieri Canada John Graham | Alba AR2 | G | 138 |
| Ferrari 3.0L V8 |
| 33 DNF | GTO | 91 | United States Morrison Motorsports | United States Scott Hayter United States Scott Lagasse United States Don Knowles | Chevrolet Corvette ZR-1 | G | 134 |
| Chevrolet 5.7L V8 |
| 34 DNF | Lights | 9 | United States Essex Racing | United States Tom Hessert Greece Costas Los | Kudzu DG-1 | G | 128 |
| Buick 3.0L V6 |
| 35 DNF | GTU | 94 | United States Guy W. Church | United States E. J. Generotti United States Paul Tavilla United States Guy W. Church | Mazda RX-7 | G | 113 |
| Mazda 1.3L 2-rotor |
| 36 DNF | GTO | 53 | United States Bill McDill | United States Richard McDill United States Bill McDill | Chevrolet Camaro | Y | 112 |
| Chevrolet 6.0L V8 |
| 37 DNF | GTU | 72 | United States Jay Kjoller Motorsports | United States Jay Kjoller United States Patrick Mooney United States Steve Volk | Porsche 911 | G | 108 |
| Porsche 3.2L Flat-6 |
| 38 DNF | GTU | 41 | United States Red Line Racing | United States David Russell Jr. United States Michael Graham United States Cameron Worth | BMW 325i | G | 103 |
| BMW 2.8L I6 |
| 39 DNF | GTP | 98 | United States All American Racers | United States Rocky Moran United Kingdom Andy Wallace | Eagle-Toyota HF90 | G | 82 |
| Toyota 3S-GTE 2.1L Turbo I4 |
| 40 DNF | Lights | 09 | United States R. J. Racing | United States Tommy Johnson United States Bob Robertson United Kingdom John Sheldon | Tiga GC287 | G | 82 |
| Buick 3.0L V6 |
| 41 DNF | GTO | 87 | United States Powertron | United States Anthony Puloe United States John Annis United States Tom Panaggio United States Tom Walsh | Chevrolet Camaro | G | 75 |
| Chevrolet 6.0L V8 |
| 42 DNF | GTP | 21 | United States Alucraft | United States Hurley Haywood Switzerland René Herzog South Africa Wayne Taylor Switzerland Daniel Müller | Porsche 962 | G | 70 |
| Porsche 3.0L Turbo Flat-6 |
| 43 DNF | GTU | 96 | United States Leitzinger Racing | United States Bob Leitzinger United States Chuck Kurtz United States Butch Leitzinger | Nissan 240SX | T | 52 |
| Nissan 3.0L V6 |
| 44 DNF | GTO | 76 | United States Clayton Cunningham Racing | United States Johnny O'Connell Canada Jeremy Dale New Zealand Steve Millen | Nissan 300ZX | Y | 33 |
| Nissan 3.0L Turbo V6 |
| 45 DNF | GTP | 05 | United States Tom Milner Racing | United States Craig Carter United States Les Delano United States Andy Petery | Fabcar GTP | G | 75 |
| Chevrolet 6.0L V8 |
| 46 DNF | GTO | 52 | United States Ken Bupp | Canada Robert Peters Canada Ken Bupp | Chevrolet Camaro | G | 3 |
| Chevrolet 5.9L V8 |
| DNS | GTP | 2 | United Kingdom Bud Light/Jaguar Racing | United States Davy Jones United Kingdom Ken Acheson Brazil Raul Boesel | Jaguar XJR-12D | G | - |
| Jaguar 6.5L V12 |
| DNQ | GTO | 17 | United States Beckett Racing | United States Don Beckett United States Scott Lieb United States Robert McElheny | Chevrolet Corvette | | - |
| Chevrolet V8 |
| DNQ | GTO | 06 | United States HiTex Corp. | United States Oma Kimbrough United States Mark Montgomery United States Hoyt Overbagh | Chevrolet Camaro | G | - |
| Chevrolet 5.9L V8 |