| 1.8.2021 | 24 h Spa | 14 | | Fontana / Ineichen / Feller | Emil Frey Racing | 31st |
| 1.8.2021 | 24 h Spa | 16 | | di Folco / Schmid / Zimmermann / Galbiati | GRT Grasser Racing Team | DNF |
| 1.8.2021 | 24 h Spa | 19 | | Baguette / Keen / Costantini / Hamaguchi | Orange 1 FFF Racing Team | DNF |
| 1.8.2021 | 24 h Spa | 77 | | Ramos / Chaves / Machitski / Mitchell | Barwell Motorsport | 18th |
| 1.8.2021 | 24 h Spa | 114 | | Rougier / Lappalainen / Aitken | Emil Frey Racing | DNF |
| 1.8.2021 | 24 h Spa | 163 | | Altoè / Perera / Costa | Emil Frey Racing | DNF |
| 1.8.2021 | 24 h Spa | 666 | | Rump / van Berlo / Moulin / Nemoto | VS Racing | DNF |
| 8.8.2021 | British GT Snetterton | 1 | | Balon / Mitchell | Barwell Motorsport | 5th/2nd |
| 8.8.2021 | 2 h 40 min Road America | 1 | | Sellers / Snow | Paul Miller Racing | 26th |
| 8.8.2021 | DTM Zolder | 10 | | Esteban Muth | T3 Motorsport | 6th/9th |
| 8.8.2021 | British GT Snetterton | 18 | | Igoe / Keen | WPI Motorsport | 7th/3rd |
| 8.8.2021 | 2 h 40 min Road America | 19 | | Goikhberg / Perera | GRT Grasser Racing Team | 34th |
| 8.8.2021 | DTM Zolder | 26 | | Esmee Hawkey | T3 Motorsport | 13th/13th |
| 8.8.2021 | British GT Snetterton | 63 | | Machitski / Lind | Barwell Motorsport | 3rd/5th |
| 8.8.2021 | GT America Nashville | 88 | | Jason Harward | Zelus Motorsports | 6th/6th |
| 8.8.2021 | GT America Nashville | 191 | | Jeff Burton | Rearden Racing | 2nd/3rd |
| 22.8.2021 | DTM Nürburgring | 10 | | Esteban Muth | T3 Motorsport | 14th/5th |
| 22.8.2021 | DTM Nürburgring | 26 | | Esmee Hawkey | T3 Motorsport | 17th/11th |
| 22.8.2021 | 300 km Suzuka | 87 | | Matsuura / Sakaguchi | JLOC | 30th |
| 22.8.2021 | 300 km Suzuka | 88 | | Kogure / Motojima | JLOC | 16th |
| 29.8.2021 | SRO GT America Road America | 3 | | Pepper / Caldarelli | KPAX Racing | 1st/4th |
| 29.8.2021 | SRO GT America Road America | 6 | | Lewis / Venturini | KPAX Racing | 4th/2nd |
| 29.8.2021 | SRO GT America Road America | 9 | | Fuentes / Altoè | TR3 Racing | 8th/6th |
| 29.8.2021 | GT America Road America | 10 | | John Megrue | TR3 Racing | DNS/6th |
| 29.8.2021 | SRO GT America Road America | 10 | | Sweedler / Megrue | TR3 Racing | 15th/10th |
| 29.8.2021 | SRO GT Sprint Brands Hatch | 14 | | Feller / Fontana | Emil Frey Racing | 14th/8th |
| 29.8.2021 | SRO GT Sprint Brands Hatch | 77 | | Ramos / Chaves | Barwell Motorsport | 21st/21st |
| 29.8.2021 | GT America Road America | 88 | | Jason Harward | Zelus Motorsports | 5th/DNF |
| 29.8.2021 | SRO GT America Road America | 88 | | Harward / Snow | Zelus Motorsports | 13th/12th |
| 29.8.2021 | SRO GT America Road America | 91 | | Burton / Kozarov | Rearden Racing | 10th/11th |
| 29.8.2021 | GT America Road America | 91 | | Jeff Burton | Rearden Racing | 6th/2nd |
| 29.8.2021 | SRO GT Sprint Brands Hatch | 114 | | Lappalainen / Rougier | Emil Frey Racing | 8th/20th |
| 29.8.2021 | SRO GT Sprint Brands Hatch | 163 | | Siedler / Costa | Emil Frey Racing | 16th/15th |
| 29.8.2021 | GT America Road America | 191 | | Jeff Burton | Rearden Racing | T-car |
| 5.9.2021 | DTM Red Bull Ring | 10 | | Esteban Muth | T3 Motorsport | 14th/13th |
| 5.9.2021 | 3 h Nürburgring | 14 | | Fontana / Ineichen / Feller | Emil Frey Racing | 8th |
| 5.9.2021 | 3 h Nürburgring | 16 | | Schmid / Zimmermann / Galbiati | GRT Grasser Racing Team | 35th |
| 5.9.2021 | Italian GT Imola | 19 | | Llarena / Middleton | Imperiale Sport Car Service | 22nd/11th |
| 5.9.2021 | 3 h Nürburgring | 19 | | Keen / Costantini / Hamaguchi | Orange 1 FFF Racing Team | 21st |
| 5.9.2021 | DTM Red Bull Ring | 26 | | Esmee Hawkey | T3 Motorsport | 16th/16th |
| 5.9.2021 | Italian GT Imola | 29 | | Iacone / Tempesta | Vincenzo Sospiri Racing | 10th/10th |
| 5.9.2021 | 3 h Nürburgring | 63 | | Bortolotti / Mapelli / Caldarelli | Orange 1 FFF Racing Team | 1st |
| 5.9.2021 | Italian GT Imola | 63 | | Frassinetti / di Folco | Imperiale Sport Car Service | 3rd/4th |
| 5.9.2021 | DTM Red Bull Ring | 71 | | Maximilian Paul | T3 Motorsport | 13th/11th |
| 5.9.2021 | 3 h Nürburgring | 77 | | Chaves / Amstutz / Ramos | Barwell Motorsport | 25th |
| 5.9.2021 | Italian GT Imola | 88 | | Perolini / Cecotto | LP Racing | 8th/9th |
| 5.9.2021 | 3 h Nürburgring | 114 | | Lappalainen / Ghiotto / Rougier | Emil Frey Racing | 5th |
| 5.9.2021 | 3 h Nürburgring | 163 | | Altoè / Siedler / Costa | Emil Frey Racing | 4th |
| 5.9.2021 | Italian GT Imola | 391 | | Pegoraro / Mugelli | Best Lap | 21st/23rd |
| 5.9.2021 | Italian GT Imola | 399 | | Dionisio / Barri | Ermanno Dionisio | 20th/21st |
| 12.9.2021 | British GT Oulton Park | 1 | | Balon / Mitchell | Barwell Motorsport | 5th/2nd |
| 12.9.2021 | 2 h 40 min Laguna Seca | 1 | | Sellers / Snow | Paul Miller Racing | 15th |
| 12.9.2021 | ADAC GT Lausitzring | 16 | | Ortmann / Schmid | GRT Grasser Racing Team | 5th/14th |
| 12.9.2021 | GT Open Red Bull Ring | 17 | | Tweraser / Seyffert | HP Racing International | 10th/9th |
| 12.9.2021 | British GT Oulton Park | 18 | | Igoe / Keen | WPI Motorsport | 4th/1st |
| 12.9.2021 | ADAC GT Lausitzring | 19 | | Ineichen / Perera | GRT Grasser Racing Team | 8th/7th |
| 12.9.2021 | GT Open Red Bull Ring | 19 | | Moulin / Nemoto | Vincenzo Sospiri Racing | 5th/2nd |
| 12.9.2021 | GT Open Red Bull Ring | 63 | #ALSCGT201700066 | Beretta / Schandorff | Vincenzo Sospiri Racing | 1st/4th |
| 12.9.2021 | British GT Oulton Park | 63 | | Machitski / Lind | Barwell Motorsport | 2nd/4th |
| 12.9.2021 | ADAC GT Lausitzring | 63 | | Bortolotti / Costa | GRT Grasser Racing Team | 3rd/5th |
| 12.9.2021 | ADAC GT Lausitzring | 71 | | Paul / Sasse | T3 Motorsport | 11th/DNF |
| 12.9.2021 | 300 km Sugo | 87 | | Matsuura / Sakaguchi | JLOC | 14th |
| 12.9.2021 | 300 km Sugo | 88 | | Kogure / Motojima | JLOC | 17th |
| 19.9.2021 | SRO GT America Watkins Glen | 3 | | Pepper / Caldarelli | KPAX Racing | 1st/1st |
| 19.9.2021 | SRO GT America Watkins Glen | 6 | | Lewis / Venturini | KPAX Racing | 9th/2nd |
| 19.9.2021 | SRO GT America Watkins Glen | 9 | | Fuentes / Altoè | TR3 Racing | 7th/6th |
| 19.9.2021 | GT America Watkins Glen | 10 | | John Megrue | TR3 Racing | DNS |
| 19.9.2021 | SRO GT America Watkins Glen | 10 | | Sweedler / Megrue | TR3 Racing | DNF/DNS |
| 19.9.2021 | DTM Assen | 10 | | Esteban Muth | T3 Motorsport | 8th/10th |
| 19.9.2021 | 3 h Vallelunga | 19 | | August / Bottiroli / Jiřík | Imperiale Racing | 11th |
| 19.9.2021 | DTM Assen | 26 | | Esmee Hawkey | T3 Motorsport | 11th/DNF |
| 19.9.2021 | DTM Assen | 63 | | Mirko Bortolotti | T3 Motorsport | 2nd/7th |
| 19.9.2021 | 3 h Vallelunga | 63 | | di Folco / Amici / Middleton | Imperiale Racing | 8th |
| 19.9.2021 | 3 h Vallelunga | 88 | | Perolini / Negro / Veglia | LP Racing | DNF |
| 19.9.2021 | GT America Watkins Glen | 88 | | Jason Harward | Zelus Motorsports | 3rd/3rd |
| 19.9.2021 | SRO GT America Watkins Glen | 88 | | Harward / Snow | Zelus Motorsports | 13th/9th |
| 19.9.2021 | GT America Watkins Glen | 90 | | Caeser Bacarella | TR3 Racing | 7th/2nd |
| 19.9.2021 | SRO GT America Watkins Glen | 91 | | Burton / Kozarov | Rearden Racing | NC/DNF |
| 19.9.2021 | GT America Watkins Glen | 191 | | Jeff Burton | Rearden Racing | 2nd/1st |
| 19.9.2021 | 3 h Vallelunga | 351 | | Fischbaum / Vairani / Pavlovic | Bonaldi Motorsport | 12th |
| 25.9.2021 | 100 min Long Beach | 1 | | Sellers / Snow | Paul Miller Racing | 9th |
| 25.9.2021 | 100 min Long Beach | 19 | | Goikhberg / Perera | GRT Grasser Racing Team | 26th |
| 26.9.2021 | GT Open Monza | 10 | | Leitch / Cooke | Leipert Motorsport | 7th/DNF |
| 26.9.2021 | SRO GT Sprint Valencia | 14 | | Feller / Fontana | Emil Frey Racing | 17th/12th |
| 26.9.2021 | GT Open Monza | 16 | | Altoè / Leo | Vincenzo Sospiri Racing | DNF/5th |
| 26.9.2021 | GT Open Monza | 17 | | Tweraser / Seyffert | HP Racing International | 8th/6th |
| 26.9.2021 | GT Open Monza | 19 | | Moulin / Nemoto | Vincenzo Sospiri Racing | DNF/7th |
| 26.9.2021 | GT Open Monza | 63 | #ALSCGT201700066 | Beretta / Schandorff | Vincenzo Sospiri Racing | 2nd/3rd |
| 26.9.2021 | SRO GT Sprint Valencia | 77 | | Ramos / Chaves | Barwell Motorsport | 20th/22nd |
| 26.9.2021 | SRO GT Sprint Valencia | 114 | | Lappalainen / Rougier | Emil Frey Racing | 9th/DNF |
| 26.9.2021 | SRO GT Sprint Valencia | 163 | | Siedler / Costa | Emil Frey Racing | 6th/3rd |
| 2.10.2021 | GT2 Euro Paul Ricard | 19 | #ZHWEC1ZF1HLA07375 | Cyril Leimer | Auto Vitesse | 7th/4th |
| 2.10.2021 | GT2 Euro Paul Ricard | 27 | #ZHWEC1ZF3GLA04704 | Larsson / Casadei | Target Racing | 13th/9th |
| 2.10.2021 | GT2 Euro Paul Ricard | 32 | #ZHWEC1ZF7JLA11047 | Jiřík / Han | Target Racing | 6th/6th |
| 2.10.2021 | GT2 Euro Paul Ricard | 63 | #ZHWEC1ZF1JLA08872 | Leimer / Piguet | Auto Vitesse | 2nd/3rd |
| 3.10.2021 | SRO GT America Sebring | 3 | | Pepper / Caldarelli | KPAX Racing | 1st/1st |
| 3.10.2021 | SRO GT America Sebring | 6 | | Lewis / Venturini | KPAX Racing | 5th/3rd |
| 3.10.2021 | DTM Hockenheim | 10 | | Esteban Muth | T3 Motorsport | 8th/DNF |
| 3.10.2021 | SRO GT America Sebring | 10 | | Sweedler / Megrue | TR3 Racing | DNA |
| 3.10.2021 | DTM Hockenheim | 26 | | Esmee Hawkey | T3 Motorsport | 13th/16th |