GT-Masters 2021 Sachsenring
| Num | Team | Drivers | Car | |
|---|---|---|---|---|
| 3 | Aust Motorsport | Sebastian Asch Daniel Keilwitz | Audi R8 LMS | |
| 4 | Phoenix Racing | Jusuf Owega  Patric Niederhauser | Audi R8 LMS | |
| 7 | Herberth Motorsport |  Klaus Bachler Simona de Silvestro | Porsche 911 GT3 R | |
| 10 | Schubert Motorsport |  Nick Yelloly  Jesse Krohn | BMW M6 GT3 | |
| 11 | Rutronik Racing by Tece | Elia Erhart  Mattia Drudi | Audi R8 LMS | |
| 13 | Team Zakspeed BKK Mobil Oil Racing |  Igor Walilko  Jules Gounon | Mercedes-AMG GT3 Evo | |
| 14 | MRS GT Racing | Maximilian Hackländer  Erik Johansson | Porsche 911 GT3 R | |
| 16 | Grasser Racing | Mike David Ortmann Clemens Schmid | Lamborghini Huracán GT3 Evo | |
| 19 | Grasser Racing | Rolf Ineichen Frank Perera | Lamborghini Huracán GT3 Evo | |
| 20 | Team Zakspeed Mobil Krankenkasse Racing | Hendrik Still Constantin Schöll | Mercedes-AMG GT3 Evo | |
| 22 | Toksport WRT | Luca Stolz Maro Engel | Mercedes-AMG GT3 Evo | |
| 28 | Land Motorsport | Luca-Sandro Trefz Christopher Haase | Audi R8 LMS | |
| 29 | Land Motorsport | Ricardo Feller Christopher Mies | Audi R8 LMS | |
| 32 | Team WRT |  Charles Weerts Dries Vanthoor | Audi R8 LMS | |
| 33 | Rutronik Racing by Tece | Kim-Luis Schramm  Dennis Marschall | Audi R8 LMS | |
| 54 | Yaco Racing | Simon Reicher Norbert Siedler | Audi R8 LMS | |
| 63 | Grasser Racing | Mirko Bortolotti Albert Costa | Lamborghini Huracán GT3 Evo | |
| 69 | Car Collection Motorsport | Florian Spengler Markus Winkelhock | Audi R8 LMS | |
| 70 | Mann-Filter Team Landgraf-HTP WWR | Raffaele Marciello Maximilian Buhk | Mercedes-AMG GT3 Evo | |
| 71 | T3 Motorsport | Paul Maximilian Marco Mapelli | Lamborghini Huracán GT3 Evo | |
| 74 | Küs Team Bernhard |  Dylan Pereira Joel Eriksson | Porsche 911 GT3 R | |
| 75 | Küs Team Bernhard | Thomas Preining Christian Engelhart | Porsche 911 GT3 R | |
| 77 | Callaway Competition | Jeffrey Schmidt Marvin Kirchhofer | Corvette C7 GT3-R | |
| 82 | Grasser Racing | Tim Zimmermann Hugo Sasse | Lamborghini Huracán GT3 Evo | |
| 91 | Team Joos Sportwagentechnik | David Jahn Jannes Fittje | Porsche 911 GT3 R | |
| 92 | SSR Performance | Michael Ammermüller Mathieu Jaminet | Porsche 911 GT3 R | |
| 99 | Herberth Motorsport | Sven Muller Robert Renauer | Porsche 911 GT3 R |
