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Current Motorsport Status and History including Formula 1 (F1), World Endurance and GT (WEC, IMSA, Weathertech), IndyCar (NTT), and NASCAR (Monster Cup) racing. Please explore and enjoy your niche for speed.

USA GT Racing Championship Table

Please select a desired season year link below and to the left to view details about a given racing season. Please see our reference to the Putative Model on our detail history pages to learn more about the HeM approach to its normalized season series championship results.


SeasonConstructorPutative ChampionDriverPutative Champion
2019Porsche 911 RSR-19 (3N,3P)Earl Bamber (NZ, 1N,1P), Laurens Vanthoor (BE, 1N,1P)
2018IMSA - Pratt & Miller Corvette C7-R (13N,12P)Jan Magnussen (DK, 4N,4P), Antonio García (ES, 3N,3P)
2017IMSA - Pratt & Miller Corvette C7-R (US, 12N,11P)Ganassi Ford GT (US, 0N,1P)Jan Magnussen (DK, 3N,3P), Antonio García (ES, 2N,2P)
2016IMSA - Pratt & Miller Corvette C7-R (US, 11N,11P)Oliver Gavin (GB, 5N,5P), Tom Milner (US, 2N,2P)
2015USSC - Porsche 991 RSR (DE, 2N,2P)Patrick Pilet (FR, 1N,1P)Nick Tandy (GB, 0N,1P)
2014USSC - SRT Viper GTS-R (US, 1N,1P)Kumo Wittmer (CA, 1N,1P)
2014North American Unification Era
2013ALMS - Pratt & Miller Corvette C6-R ZR1 (US, 10N,10P)Jan Magnussen (DK, 2N,2P), Antonio García (ES, 1N,1P)
2012ALMS - Pratt & Miller Corvette C6-R ZR1 (US, 9N,9P)O. Gavin (GB, 4N,4P), Tom Milner (US, 1N,1P)
2011ALMS - BMW Rahal Letterman Lanigan M3 GT2 (US, 2N,2P)Dirk Müller (DE, 1N,1P), Joey Hand (US, 1N,1P)Dirk Müller (DE, 1N,1P)
2010ALMS - BMW Rahal Letterman M3 GT2 (US, 1N,2P)Patrick Long, Porsche (US, 2N,2P), Jörg Bergmeister (DE, 2N,2P)
2009ALMS - Flying Lizard Porsche 997 GT3-RSR Evo (US, 1N,1P)Patrick Long (US, 1N,1P), Jörg Bergmeister (DE, 1N,1P)
2008ALMS - Pratt & Miller Corvette C6-R (US, 8N,8P)Johnny O’Connell (US, 3N,5P), Jan Magnussen (DK, 1N,1P)
2007ALMS - Pratt & Miller Corvette C6-R (US, 7N,7P)Olivier Beretta (MC, 5N,5P), Oliver Gavin (GB, 3P,3N)
2006ALMS - Pratt & Miller Corvette C6-R (US, 6N,6P)Olivier Beretta (MC, 4N,4P), Oliver Gavin (GB, 2N,2P)
2005ALMS - Pratt & Miller Corvette C6-R (US, 5N,5P)Olivier Beretta (MC, 3N,3P), Oliver Gavin (GB, 1N,1P)
2004ALMS - Pratt & Miller Corvette C5-R (US, 4N,4P)Ron Fellows (CA, 3N,3P), Johnny O’Connell (US, 2N,4P)
2003ALMS - Pratt & Miller Corvette C5-R (US, 3N,3P)Ron Fellows (CA, 2N,2P), Johnny O’Connell (US, 1N,3P)
2002ALMS - Pratt & Miller Corvette C5-R (US, 2N,2P)Ron Fellows (CA, 1N,1P)Johnny O’Connell (US, 0N,2P)
2001ALMS - Pratt & Miller Corvette C5-R (US, 1N,1P)Terry Borcheller, Saleen (US, 2N,0P)Ron Fellows (CA, 0N,1P), Johnny O’Connell (US, 0N,1P)
2000ALMS - ORECA Chrysler Viper GTS-R (FR, 2N,2P)Olivier Beretta (MC, 2N,2P)Karl Wendlinger (AT, 1N,0P)
1999ALMS - ORECA Dodge Viper GTS-R (FR, 1N,1P)Olivier Beretta (MC, 1N,1P)
1999ACO-Panoz/France Grand-Am Series Era
1998PSCR - Panoz Esperante GTR-1 Ford (US, 0N,2P)Andy Wallace (GB, 1N,1P), David Brabham (AU, 1N,0P)Andy Wallace (GB, 1N,1P)
1997PSCR - Panoz Esperante GTR-1 Ford (US, 0N,1P)Andy Pilgrim (US, 1N,1P)
1997PSCR Era
1996IMSA - Brix Oldsmobile Aurora (US, 0N,2P)Irv Hoerr (US, 2N,2P)
1995IMSA - Brix Oldsmobile Cutlass (US, 0N,1P)Irv Hoerr (US, 1N,1P)
1994IMSA - Cunningham Nissan 300ZX (US, 0N,2P)Steve Millen (NZ, 2N,2P)
1993IMSA - Roush Ford Mustang (US, 0N,6P)Tommy Kendall (US, 1N,0P)Darin Brassfield, Cutlass (US, 0N,1P)
1992IMSA - Cunningham Nissan 300ZX (US, 0N,1P)Steve Millen (NZ, 1N,1P)
1991IMSA - Mazda RX-7 (US, 0N,1P)Pete Halsmer (US, 2N,1P)
1990IMSA - Lincoln Mercury (US, 1N,1N)Roush Mercury Cougar XR-7 (US, 0N,5P)Dorsey Schroeder (US, 1N,0P)Robbie Gordon (US, 0N,1P)
1989IMSA - Roush Mercury Cougar XR-7 (US, 0N,4P)Pete Halsmer (US, 1N,0P)Hans-Joachim Stuck, Audi (DE, 0N,1P)
1988IMSA - Roush Mercury Merkur XR4Ti (US, 0N,3P)Scott Pruett (US, 2N,2P)
1987IMSA - AAR Toyota Celica Turbo (US, 0N,1P)Chris Cord (US, 1N,1P)
1986IMSA - Roush Mustang (US, 0N,2P)Scott Pruett (US, 1N,1P)
1985IMSA - Roush Mustang (US, 0N,1P)John Jones (CA, 1N,1P)
1984IMSA - Stratagraph Camaro (US, 1N,1P)Roger Mandeville, Mazda (US, 1N,0P)Gene Felton (US, 0N,1P)
1983IMSA - Garretson Porsche 934 (US, 1N,1P)Wayne Baker (US, 1N,1P)
1982IMSA - Electramotive Datsun 280ZXT (US, 1N,1P)Don Devendorf (US, 1N,1P)
1981IMSA - Kenper Miller BMW M1 (US, 0N,1P)Dave Cowart (US, 1N,1P)
1980IMSA - Barbour Porsche 935 K3 (US, 0N,1P)John Fitzpatrick (GB, 1N,1P)
1979IMSA - Brumos Porsche 935/79 (US, 0N,4P)Peter Gregg (US, 6N,6P)
1978IMSA - Brumos Porsche 935/77A (US, 3N,3P)Peter Gregg (US, 5N,5P)
1977IMSA - Dickinson/Holbert Chevrolet DeKon Monza (US, 0N,2P)Al Holbert (US, 2N,2P)
1976IMSA - Dickinson/Holbert Chevrolet DeKon Monza (US, 0N,1P)Al Holbert (US, 1N,1P)
1975IMSA - BMW 3.0 CSL (DE, 1N,1P)Peter Gregg, Porsche (US, 4N,4P)
1974IMSA - Toad Hall Porsche Carrera RSR (US, 0N,2P)Peter Gregg (US, 3N,3P)
1973IMSA - Toad Hall Porsche Carrera RSR (US, 0N,1P)Peter Gregg (US, 2N,2P)
1972IMSA - Chevrolet Corvette 454 (US, 1N,1P)Brumos Porsche 911S (US, 0N,2P)Hurley Haywood (US, 2N,2P)
1971IMSA - Porsche 914-6 (DE, 1N,1P)Brumos Porsche 914-6 (US, 0N,1P)Peter  Gregg (US, 1N,1P), Hurley Haywood (US, 1N,1P)
1970Interregnum
1969Interregnum
1968Interregnum
1967Interregnum
1966Interregnum
1965USRRC - Shelby American Cobra 289 (US, 2N,2P)Tom Payne (US, 0N,1P)
1964USRRC - Shelby American Cobra 289 (US, 1N,1P)Ken Miles (US, 0N,1P)
1963USRRC - AC Cobra 289 (US, 1N,1P)Bob Holbert (US, 1N,0P)Dave MacDonald (US, 0N,1P)
1963Rise of North American GT Racing