| 2025 | Augusto Farfus, Jesse Krohn, Raffaele Marciello, Kelvin van der Linde | BMW M4 GT3 EVO | Rowe Racing |
| 2024 | Ricardo Feller, Dennis Marschall, Christopher Mies, Frank Stippler | Audi R8 LMS GT3 Evo II | Scherer Sport Team Phoenix |
| 2023 | David Pittard, Felipe Fernández Laser, Nick Catsburg, Earl Bamber | Ferrari 296 GT3 | Frikadelli Racing |
| 2022 | Michael Christensen, Kévin Estre, Frédéric Makowiecki, Laurens Vanthoor | Porsche 911 GT3 R | Manthey EMA |
| 2021 | Matteo Cairoli, Michael Christensen, Kévin Estre | Porsche 911 GT3 R | Manthey Racing |
| 2020 | Nick Catsburg, Alexander Sims, Nick Yelloly | BMW M6 GT3 | Rowe Racing |
| 2019 | Pierre Kaffer, Frank Stippler, Dries Vanthoor, Frédéric Vervisch | Audi R8 LMS Evo | Phoenix Racing |
| 2018 | Richard Lietz, Frédéric Makowiecki, Patrick Pilet, Nick Tandy | Porsche 911 GT3 R | Manthey Racing |
| 2017 | Connor De Phillippi, Christopher Mies, Kelvin van der Linde, Markus Winkelhock | Audi R8 LMS | Audi Sport Team Land |
| 2016 | Adam Christodoulou, Maro Engel, Manuel Metzger, Bernd Schneider | Mercedes-AMG GT3 | AMG Team Black Falcon |
| 2015 | Christopher Mies, Nico Müller, Edward Sandström, Laurens Vanthoor | Audi R8 LMS | Audi Sport Team WRT |
| 2014 | Christopher Haase, Christian Mamerow, René Rast, Markus Winkelhock | Audi R8 LMS ultra | Phoenix Racing |
| 2013 | Jeroen Bleekemolen, Sean Edwards, Bernd Schneider, Nicki Thiim | Mercedes-Benz SLS AMG GT3 | Black Falcon |
| 2012 | Marc Basseng, Christopher Haase, Frank Stippler, Markus Winkelhock | Audi R8 LMS ultra | Audi Sport Team Phoenix |
| 2011 | Timo Bernhard, Romain Dumas, Marc Lieb, Lucas Luhr | Porsche 911 GT3 RSR (997) | Manthey Racing |
| 2010 | Uwe Alzen, Augusto Farfus, Pedro Lamy, Jörg Müller | BMW M3 GT2 | BMW Motorsport (Schnitzer) |
| 2009 | Timo Bernhard, Romain Dumas, Marc Lieb, Marcel Tiemann | Porsche 911 GT3 RSR (997) | Manthey Racing |
| 2008 | Timo Bernhard, Romain Dumas, Marc Lieb, Marcel Tiemann | Porsche 911 GT3 RSR (997) | Manthey Racing |
| 2007 | Timo Bernhard, Romain Dumas, Marc Lieb, Marcel Tiemann | Porsche 911 GT3 RSR (997) | Manthey Racing |
| 2006 | Timo Bernhard, Lucas Luhr, Mike Rockenfeller, Marcel Tiemann | Porsche 911 GT3-MR (996) | Manthey Racing |
| 2005 | Duncan Huisman, Pedro Lamy, Andy Priaulx, Boris Said | BMW M3 GTR | BMW Motorsport (Schnitzer) |
| 2004 | Pedro Lamy, Dirk Müller, Jörg Müller, Hans-Joachim Stuck | BMW M3 GTR | BMW Motorsport (Schnitzer) |
| 2003 | Manuel Reuter, Timo Scheider, Volker Strycek, Marcel Tiemann | Opel Astra V8 Coupé | Team Phoenix |
| 2002 | Pedro Lamy, Robert Lechner, Peter Zakowski | Chrysler Viper GTS-R | Zakspeed |
| 2001 | Michael Bartels, Pedro Lamy, Peter Zakowski | Chrysler Viper GTS-R | Zakspeed |
| 2000 | Uwe Alzen, Michael Bartels, Altfrid Heger, Bernd Mayländer | Porsche 911 GT3-R | Phoenix (Porsche Zentrum Koblenz) |
| 1999 | Marc Duez, Klaus Ludwig, Hans-Jürgen Tiemann, Peter Zakowski | Chrysler Viper GTS-R | Zakspeed |
| 1998 | Andy Bovensiepen, Marc Duez, Christian Menzel, Hans-Joachim Stuck | BMW 320d | Schnitzer Motorsport |
| 1997 | Johannes Scheid, Sabine Schmitz, Hans-Jürgen Tiemann, Peter Zakowski | BMW M3 (E36) | Scheid Motorsport |
| 1996 | Johannes Scheid, Sabine Schmitz, Hans Widmann | BMW M3 (E36) | Scheid Motorsport |
| 1995 | Alexander Burgstaller, Marc Duez, Roberto Ravaglia | BMW 320i | Team Bigazzi |
| 1994 | Frank Katthöfer, Fred Rosterg, Karl-Heinz Wlazik | BMW M3 | (Privateintrag) |
| 1993 | Tonico de Azevedo, Frank Katthöfer, Franz Konrad, Örnulf Wirdheim | Porsche 911 Carrera | Konrad Motorsport |
| 1992 | Johnny Cecotto, Christian Danner, Marc Duez, Jean-Michel Martin | BMW M3 Evo. 2 | Team Bigazzi |
| 1991 | Armin Hahne, Kris Nissen, Joachim Winkelhock | BMW M3 Evo. 2 | Schnitzer Motorsport |
| 1990 | Altfrid Heger, Frank Schmickler, Joachim Winkelhock | BMW M3 Evo. 2 | Linder Motorsport |
| 1989 | Fabien Giroix, Emanuele Pirro, Roberto Ravaglia | BMW M3 | Team Bigazzi |
| 1988 | Edgar Dören, Peter Faubel, Gerhard Holup | Porsche 911 Carrera RSR | Dören |
| 1987 | Klaus Ludwig, Klaus Niedzwiedz, Steve Soper | Ford Sierra RS Cosworth | Eggenberger Motorsport |
| 1986 | Markus Oestreich, Otto Rensing, Winfried Vogt | BMW 325i | Auto Budde Team |
| 1985 | Axel Felder, Jürgen Hamelmann, Robert Walterscheid-Müller | BMW 635 CSi | Auto Budde Team |
| 1984 | Franz-Josef Bröhling, Axel Felder, Peter Oberndorfer | BMW 635 CSi | Auto Budde Team |
| 1983 | — no race (rebuild / construction of the GP circuit) — | | |
| 1982 | Dieter Gartmann, Klaus Ludwig, Klaus Niedzwiedz | Ford Capri | Eichberg Racing |
| 1981 | Helmut Döring, Dieter Gartmann, Fritz Müller | Ford Capri | Gilden Kölsch |
| 1980 | Matthias Schneider, Dieter Selzer, Wolfgang Wolf | Ford Escort RS 2000 | Berkenkamp Racing |
| 1979 | Herbert Kummle, Karl Mauer, Winfried Vogt | Ford Escort | Cavallo Matras |
| 1978 | Franz Gschwendtner, Herbert Hechler, Fritz Müller | Porsche 911 Carrera | Valvoline Deutschland |
| 1977 | Herbert Hechler, Fritz Müller | Porsche 911 Carrera | (Privateintrag) |
| 1976 | Herbert Hechler, Fritz Müller, Karl-Heinz Quirin | Porsche 911 Carrera | (Privateintrag) |
| 1974–1975 | — no race (oil crisis) — | | |
| 1973 | Hans-Peter Joisten, Niki Lauda | BMW 3.0 CSL | Alpina |
| 1972 | Helmut Kelleners, Gerold Pankl | BMW 2800 CS | Alpina |
| 1971 | Ferfried Prinz von Hohenzollern, Gerold Pankl | BMW 2002 | Alpina |
| 1970 | Clemens Schickentanz, Hans-Joachim Stuck | BMW 2002 TI | Koepchen BMW Tuning |