Season results
| Rnd | Circuit | GTP Winning Team | Lights Winning Team | GTO Winning Team | GTU Winning Team | Results |
|---|---|---|---|---|---|---|
| GTP Winning Drivers | Lights Winning Drivers | GTO Winning Drivers | GTU Winning Drivers | |||
| 1 | Daytona |  #14 Holbert Racing
|
#13 Outlaw Racing
|
#64 Raintree Corp.
|
#71 Team Highball
|
Results |
Al Holbert Al Unser Jr. Derek Bell
|
Frank Rubino Ray Mummery John Schneider
|
Lee Mueller Maurice Hassey Lanny Hester
|
Jack Dunham Amos Johnson Dennis Shaw
| |||
| 2 | Miami | #86 Bayside Disposal
|
#01 AT&T
|
#76 Peerless Racing
|
#55 Huffaker Eng.
|
Results |
 Bob Wollek Paolo Barilla
|
Don Bell
|
Jack Baldwin
|
Bob Earl
| |||
| 3 | Sebring | #5 Bob Akin Racing
|
#66 Mike Meyer Racing
|
#7 7-Eleven Roush
|
#38 Mandeville Auto
|
Results |
Bob Akin Hans-Joachim Stuck Jo Gartner
|
Mike Meyer Jeff Kline Jim Rothbarth
|
Scott Pruett Caitlyn Jenner[a]
|
Roger Mandeville Danny Smith
| |||
| 4 | Road Atlanta | #52 Hendrick
|
#63 Certified Brakes
|
#11 Roush Racing
|
#55 Huffaker Eng.
|
Results |
Doc Bundy Sarel van der Merwe
|
Jim Downing John Maffucci
|
Scott Pruett
|
Bob Earl
| |||
| 5 | Riverside | #16 Dyson Racing
|
#63 Certified Brakes
|
#76 Peerless Racing
|
#38 Mandeville Auto
|
Results |
| Price Cobb Rob Dyson
|
Jim Downing John Maffucci
|
Jack Baldwin Jim Miller
|
Roger Mandeville Danny Smith
| |||
| 6 | Laguna Seca | #7 Zakspeed USA
|
#24 Spice Engineering
|
#07 Roush Racing
|
#75 Clayton Cunningham
|
Results |
| Klaus Ludwig
|
Bob Earl
|
Scott Pruett
|
Tommy Kendall
| |||
| 7 | Charlotte | #16 Dyson Racing
|
#24 Spice Engineering
|
#76 City Peerless
|
#75 Clayton Cunningham
|
Results |
| Price Cobb Drake Olson
|
Bob Earl Ray Bellm
|
Jack Baldwin
|
Tommy Kendall
| |||
| 8 | Lime Rock | #14 Holbert Racing
|
#70 Z&W Motorsports
|
Did Not Participate | Did Not Participate | Results |
| Al Holbert
|
David Loring
|
|||||
| 9 | Mid-Ohio | #14 Holbert Racing
|
#09 Ball Bros. Racing
|
#11 Roush Racing
|
#55 Huffaker Eng.
|
Results |
| Al Holbert Derek Bell
|
Steve Durst Mike Brockman
|
Scott Pruett
|
Bob Earl
| |||
| 10 | Palm Beach | #52 Hendrick
|
#80 Gaston Andrey
|
#11 Roush Racing
|
#38 Mandeville
|
Results |
| Doc Bundy Sarel van der Merwe
|
Carlo Facetti Ruggero Melgrati
|
Scott Pruett
|
Roger Mandeville
| |||
| 11 | Watkins Glen | #14 Holbert Racing
|
#6 Morgan Perf.
|
#76 Peerless Racing
|
#38 Mandeville Auto
|
Results |
| Al Holbert Derek Bell
|
Charles Morgan Logan Blackburn
|
Jack Baldwin Geoff Bodine
|
Roger Mandeville Danny Smith
| |||
| 12 | Portland | #14 Holbert Racing
|
#63 Certified Brakes
|
#7 Roush Racing
|
#55 Huffaker Racing
|
Results |
| Al Holbert
|
Jim Downing
|
Scott Pruett Caitlyn Jenner[a]
|
Bob Earl
| |||
| 13 | Sears Point | #16 Dyson Racing
|
#63 Certified Brakes
|
#77 Brooks Racing
|
#75 Clayton Cunningham
|
Results |
| Price Cobb Rob Dyson
|
Jim Downing
|
Willy T. Ribbs
|
Tommy Kendall
| |||
| 14 | Road America | #14 Holbert Racing
|
#80 Gaston Andrey
|
#98 All American Racers
|
#38 Mandeville Auto
|
Results |
| Al Holbert Al Unser Jr.
|
Martino Finotto Ruggero Melgrati
|
Rocky Moran Dennis Aase
|
Roger Mandeville Danny Smith
| |||
| 15 | Lime Rock | Did Not Participate | Did Not Participate | #76 Peerless-Hendrick
|
#75 Clayton Cunningham
|
Results |
| Jack Baldwin
|
Tommy Kendall
| |||||
| 16 | Watkins Glen | #18 BMW North America
|
#24 Spice Engineering
|
#98 All American Racers
|
#38 Mandeville Auto
|
Results |
| John Andretti Davy Jones
|
Bob Earl Chip Ganassi
|
Dennis Aase
|
Roger Mandeville
| |||
| 17 | Columbus | #85 Bayside Disposal
|
#09 Ball Bros. Racing
|
#77 Brooks Racing
|
#38 Mandeville Auto
|
Results |
| Scott Pruett Bob Wollek
|
Steve Durst Mike Brockman
|
Willy T. Ribbs
|
Roger Mandeville
| |||
| 18 | Daytona | #44 Group 44
|
#73 Howard Katz
|
#11 Roush Racing
|
#38 Mandeville Auto
|
Results |
| Bob Tullius Chip Robinson
|
Howard Katz Steve Phillips
|
Scott Pruett
|
Roger Mandeville
|