| 9.1.2005 | Daytona Test | 21 | #02-015 | Gleason / James / Auberlen / Hand | Prototype Technology Group | 35th |
| 9.1.2005 | Daytona Test | 22 | #02-018 | Marks / Valentine / Milner / Collins | Prototype Technology Group | 41st |
| 25.1.2005 | Mil Milhas Brasileiras | 11 | | Wolff / Wendlinger / Zonca / Quester | | 6th |
| 25.1.2005 | Mil Milhas Brasileiras | 45 | | Mello / Burti / Homem de Mello | | 54th |
| 25.1.2005 | Mil Milhas Brasileiras | 51 | | Cerrai / Alessi / Ravasio / Canali | Max Team | 9th |
| 6.2.2005 | 24 h Daytona | 21 | #02-015 | Auberlen / Hand / James / Gleason | Prototype Technology Group | 57th |
| 6.2.2005 | 24 h Daytona | 22 | #02-018 | Marks / Milner / Collins / Valentine | Prototype Technology Group | 59th |
| 5.3.2005 | 250 mile Homestead | 16 | #02-017 | Marks / Milner | Prototype Technology Group | 37th |
| 5.3.2005 | 250 mile Homestead | 17 | #02-041 | Valentine / Collins | Prototype Technology Group | 39th |
| 5.3.2005 | 250 mile Homestead | 21 | #02-015 | Hand / Auberlen | Prototype Technology Group | 24th |
| 5.3.2005 | 250 mile Homestead | 22 | #02-018 | Gleason | Prototype Technology Group | 45th |
| 27.3.2005 | Belcar Zolder NRF | 71 | | Beliën / Jakobs | Belien Motorsport | 21st |
| 27.3.2005 | Belcar Zolder NRF | 72 | | Severich / Steinberg | GS Motorsport | DNS |
| 27.3.2005 | Belcar Zolder NRF | 75 | | De Keersmaecker / Smets | Geerts Roel | DNS |
| 27.3.2005 | Belcar Zolder NRF | 91 | | Haschke / Josten | GS Motorsport | 29th |
| 27.3.2005 | Belcar Zolder NRF | 94 | | Beckers / Cassiers | M-S-E | 24th |
| 27.3.2005 | Belcar Zolder NRF | 95 | | Moore / Cox | Moore Int. Motorsport | 28th |
| 27.3.2005 | Belcar Zolder NRF | 96 | | Meijers / Tieman | Meijers Motorsport | 26th |
| 3.4.2005 | 400 km Fontana | 16 | #02-017 | Milner / Marks | Prototype Technology Group | 24th |
| 3.4.2005 | 400 km Fontana | 17 | #02-041 | Valentine / Collins | Prototype Technology Group | 29th |
| 3.4.2005 | 400 km Fontana | 21 | #02-015 | Auberlen / Hand | Prototype Technology Group | 17th |
| 3.4.2005 | 400 km Fontana | 22 | #02-018 | Gleason / James | Prototype Technology Group | 23rd |
| 17.4.2005 | Belcar Spa 1000 km | 71 | | Beliën / Jakobs | Belien Motorsport | 35th/34th |
| 17.4.2005 | Belcar Spa 1000 km | 72 | | Severich / Steinberg | GS Motorsport | 20th/18th |
| 17.4.2005 | Belcar Spa 1000 km | 75 | | De Keersmaecker / Smets | Geerts Roel | 16th/25th |
| 17.4.2005 | Belcar Spa 1000 km | 91 | | Haschke / Josten | GS Motorsport | 19th/28th |
| 17.4.2005 | Belcar Spa 1000 km | 92 | | de Hoen / Essers | Brother Racing | 43rd/43rd |
| 17.4.2005 | Belcar Spa 1000 km | 94 | | Beckers / Cassiers | M-S-E | 28th/36th |
| 17.4.2005 | Belcar Spa 1000 km | 95 | | Moore / Cox | Moore Int. Motorsport | 21st/35th |
| 17.4.2005 | Belcar Spa 1000 km | 96 | | Meijers / Tieman | Meijers Motorsport | 38th/39th |
| 1.5.2005 | 250 mile Laguna Seca | 16 | #02-017 | Milner / Marks / Auberlen | Prototype Technology Group | 23rd |
| 1.5.2005 | 250 mile Laguna Seca | 17 | #02-041 | Collins / Valentine | Prototype Technology Group | 24th |
| 1.5.2005 | 250 mile Laguna Seca | 21 | #02-015 | Auberlen / Hand | Prototype Technology Group | DNS |
| 1.5.2005 | 250 mile Laguna Seca | 22 | #02-018 | James / Gleason / Hand | Prototype Technology Group | 25th |
| 8.5.2005 | 24 h Nürburgring | 1 | | Müller / Müller / Stuck / Lamy | BMW Motorsport | 2nd |
| 8.5.2005 | 24 h Nürburgring | 2 | | Said / Huisman / Priaulx / Lamy | BMW Motorsport | 1st |
| 8.5.2005 | 24 h Nürburgring | 10 | | Scheid / Kainz / Rostek / Hagenmeyer | Scuderia Augustusburg Brühl e. V. im ADAC | DNF |
| 8.5.2005 | 24 h Nürburgring | 22 | | Tischner / Silbermayr / Tischner / Karlson | | DNF |
| 8.5.2005 | 24 h Nürburgring | 55 | | Meins / Walkenhorst / Passyutu / Kiesch | | DNF |
| 8.5.2005 | 24 h Nürburgring | 56 | | Meyer / Funke / Klasen / Gedlich | | DNF |
| 8.5.2005 | 24 h Nürburgring | 57 | | Nimersjö / Whelan / Delaronde | | 95th |
| 8.5.2005 | 24 h Nürburgring | 59 | | Mitchell / Berger / Bennett | Kruse Motorsport | 57th |
| 8.5.2005 | 24 h Nürburgring | 61 | | Moore / Cox / Barrow | | DNS |
| 8.5.2005 | 24 h Nürburgring | 63 | | Adams / Vogler / Wenger / Riess | | DNF |
| 8.5.2005 | 24 h Nürburgring | 64 | | Dörr / Löwenstein / Friedrichs / Panther | | DNF |
| 8.5.2005 | 24 h Nürburgring | 68 | | Wolff / Deutgen / Quester / Peter | Duller Motorsport | DNF |
| 8.5.2005 | 24 h Nürburgring | 70 | | de Thoisy / Depoix / Peyroles | Duller Motorsport | 53rd |
| 8.5.2005 | 24 h Nürburgring | 72 | | Obermann / Giuliani / Burgmann / Brunnacker | MSC Ruhr-Blitz Bochum e.V. im ADAC | DNF |
| 8.5.2005 | 24 h Nürburgring | 73 | | Nöhring / Wirtz / Becker | | DNF |
| 8.5.2005 | 24 h Nürburgring | 74 | | Müller / Abels / Herter / Gassen | AEZ Leichtmetallräder | DNF |
| 8.5.2005 | 24 h Nürburgring | 75 | | Pfister / Scholze / Kruidenier / Dewez | MSC Rhön e.V. im AvD | 30th |
| 8.5.2005 | 24 h Nürburgring | 76 | | Leitheuser / Surauer / Werker / Chretien | MSC Rhön e.V. im AvD | DNF |
| 8.5.2005 | 24 h Nürburgring | 78 | | Bierther / Stahl / Heyer / Bierther | Airnergy Motorsport | DNF |
| 8.5.2005 | 24 h Nürburgring | 80 | | Bonk / Bonk / Schild / Neuefeind | | DNF |
| 8.5.2005 | 24 h Nürburgring | 82 | | Clarke / Povey / Donaldson / Donaldson | | 93rd |
| 8.5.2005 | 24 h Nürburgring | 96 | | Karl / Förster / Meyer / Hofbauer | Realizer Communications | 62nd |
| 8.5.2005 | 24 h Nürburgring | 145 | | Bauer / Brunn / Pingel / Weidinger | Realizer Communications | DNF |
| 8.5.2005 | 24 h Nürburgring | 196 | | Salzer / Salzer | DSK Ja zum Motorsport e.V. | 36th |
| 8.5.2005 | 24 h Nürburgring | 199 | | Wegeler / Zils / Weidner / Wegeler | Dolate Motorsport | 33rd |
| 8.5.2005 | 24 h Nürburgring | 203 | | Wiskirchen / Wiskirchen / Schmidt | Wiskirchen Motorsport S: ADAC Pfalz | DNF |
| 8.5.2005 | 24 h Nürburgring | 207 | | Hancke / Peter / Truelove / Krell | | 38th |
| 8.5.2005 | 24 h Nürburgring | 211 | | Scalini / Cioci / Zoppini / Purtscher | MSC Rhön e.V. im AvD | 59th |
| 8.5.2005 | 24 h Nürburgring | 212 | | Rösler / Kitzerow / Silvester / Springel | MSC Rhön e.V. im AvD | 21st |
| 8.5.2005 | 24 h Nürburgring | 213 | | Rövenich / Brügmann / Ambiel / Wolff | Bonnfinanz Motorsport | DNF |
| 8.5.2005 | 24 h Nürburgring | 214 | | Küpper / Koch / Zabel | Dürener Motorsport-Club e.V. im ADAC | 26th |
| 8.5.2005 | 24 h Nürburgring | 215 | | Al Khalifa / Gusenbauer / Herwerth / Nittel | | 25th |
| 8.5.2005 | 24 h Nürburgring | 247 | | Jacobs / Short / Douglas-Pennant | Duller Motorsport | 54th |
| 8.5.2005 | 24 h Nürburgring | 266 | | Friedrichs / Steiner / Rülke / Beckers | | 104th |
| 21.5.2005 | 6 h Mont-Tremblant | 16 | #02-017 | Hand / Milner / Marks | Prototype Technology Group | 15th |
| 21.5.2005 | 6 h Mont-Tremblant | 17 | #02-015 | Collins / Valentine | Prototype Technology Group | DNA |
| 21.5.2005 | 6 h Mont-Tremblant | 21 | #02-041 | Collins / Valentine / Auberlen | Prototype Technology Group | 33rd |
| 21.5.2005 | 6 h Mont-Tremblant | 22 | #02-018 | James / Hand | Prototype Technology Group | 13th |
| 11.6.2005 | Belcar Spa SER | 71 | | Beliën / Jakobs / Colman | Belien Motorsport | NC |
| 11.6.2005 | Belcar Spa SER | 75 | | Smets / Kenis / Cuyvers | Geerts Roel | DNF |
| 11.6.2005 | Belcar Spa SER | 77 | | Alessi / Ravasio / Canali | - | NC |
| 11.6.2005 | Belcar Spa SER | 78 | | de Megni / Marini / Cioci | - | 17th |
| 11.6.2005 | Belcar Spa SER | 91 | | Haschke / Josten | GS Motorsport | DNF |
| 11.6.2005 | Belcar Spa SER | 92 | | de Hoen / Essers / Grouwels | Brother Racing | 24th |
| 11.6.2005 | Belcar Spa SER | 95 | | Moore / Cox / Cloet | Moore Int. Motorsport | DNF |