| 11.6.2005 | Belcar Spa SER | 72 | | Severich / Steinberg | GS Motorsport | 11th |
| 12.6.2005 | 6 h Watkins Glen | 16 | #02-017 | Milner / Marks | Prototype Technology Group | 17th |
| 12.6.2005 | 6 h Watkins Glen | 17 | #02-041 | Valentine / Collins | Prototype Technology Group | DNA |
| 12.6.2005 | 6 h Watkins Glen | 21 | #02-015 | Auberlen / Collins / Hand | Prototype Technology Group | 27th |
| 12.6.2005 | 6 h Watkins Glen | 22 | #02-018 | James / Gleason / Said | Prototype Technology Group | 24th |
| 26.6.2005 | Belcar Brands Hatch | 71 | | Beliën / Cuyvers | Beliën Motorsport | 16th |
| 26.6.2005 | Belcar Brands Hatch | 72 | | Severich / Steinberg | GS Motorsport | DNS |
| 26.6.2005 | Belcar Brands Hatch | 75 | | De Keersmaecker / Smets | | DNS |
| 26.6.2005 | Belcar Brands Hatch | 91 | | Haschke / Josten | GS Motorsport | 21st |
| 26.6.2005 | Belcar Brands Hatch | 92 | | de Hoen / Essers | Brother Racing | 29th |
| 26.6.2005 | Belcar Brands Hatch | 94 | | Beckers / Cassiers | | 35th |
| 26.6.2005 | Belcar Brands Hatch | 95 | | Clarke / Cox | | DNF |
| 26.6.2005 | Belcar Brands Hatch | 96 | | Meijers / Tieman | Meijers Motorsport | 24th |
| 30.6.2005 | 250 mile Daytona | 16 | #02-017 | Marks / Hand | Prototype Technology Group | 18th |
| 30.6.2005 | 250 mile Daytona | 17 | #02-040 | Valentine / Collins | Prototype Technology Group | 26th |
| 30.6.2005 | 250 mile Daytona | 21 | #02-015 | Auberlen / Milner | Prototype Technology Group | 19th |
| 30.6.2005 | 250 mile Daytona | 22 | #02-018 | Gleason / James | Prototype Technology Group | 47th |
| 31.7.2005 | 400 km Barber | 16 | #02-017 | Marks / Hand | Prototype Technology Group | 14th |
| 31.7.2005 | 400 km Barber | 17 | #02-040 | Collins / Valentine | Prototype Technology Group | 20th |
| 31.7.2005 | 400 km Barber | 21 | #02-015 | Milner / Auberlen | Prototype Technology Group | 21st |
| 31.7.2005 | 400 km Barber | 22 | #02-018 | James / Gleason | Prototype Technology Group | 16th |
| 12.8.2005 | 200 mile Watkins Glen | 16 | #02-017 | Marks / Hand | Prototype Technology Group | 20th |
| 12.8.2005 | 200 mile Watkins Glen | 17 | #02-040 | Collins / Valentine | Prototype Technology Group | 26th |
| 12.8.2005 | 200 mile Watkins Glen | 21 | #02-015 | Milner | Prototype Technology Group | 41st |
| 12.8.2005 | 200 mile Watkins Glen | 22 | #02-018 | Gleason / James | Prototype Technology Group | 23rd |
| 27.8.2005 | 400 km Mid-Ohio | 16 | #02-017 | Marks / Hand | Prototype Technology Group | 34th |
| 27.8.2005 | 400 km Mid-Ohio | 17 | #02-041 | Collins / Valentine | Prototype Technology Group | DNA |
| 27.8.2005 | 400 km Mid-Ohio | 21 | #02-040 | Collins / Milner | Prototype Technology Group | 18th |
| 27.8.2005 | 400 km Mid-Ohio | 22 | #02-018 | James / Gleason / Auberlen | Prototype Technology Group | 25th |
| 28.8.2005 | 24 h Zolder | 71 | | Beliën / Jakobs / Colman / Brinkmann | Beliën Motorsport | 17th |
| 28.8.2005 | 24 h Zolder | 72 | | Severich / Steinberg / Neyens | GS Motorsport | DNS |
| 28.8.2005 | 24 h Zolder | 75 | | De Keersmaecker / Smets / Kenis / Coekelbergs | G&A Racing | DNF |
| 28.8.2005 | 24 h Zolder | 91 | | Josten / Cracco / Muytjens | GS Motorsport | 12th |
| 28.8.2005 | 24 h Zolder | 92 | | de Hoen / Essers / Grouwels / Wijnen | Brother Racing | 21st |
| 28.8.2005 | 24 h Zolder | 94 | | Beckers / Raes / van Samang / van Samang | M-S-E | DNF |
| 28.8.2005 | 24 h Zolder | 95 | | Moore / Cox / Cloet | Moore Int. Motorsport | DNF |
| 9.9.2005 | 250 mile Phoenix [GT] | 16 | #02-017 | Hand / James | Prototype Technology Group | 3rd |
| 9.9.2005 | 250 mile Phoenix [GT] | 17 | #02-041 | Gleason / Valentine | Prototype Technology Group | 10th |
| 9.9.2005 | 250 mile Phoenix [GT] | 21 | #02-040 | Milner / Collins | Prototype Technology Group | 2nd |
| 9.9.2005 | 250 mile Phoenix [GT] | 22 | #02-018 | Marks / Auberlen | Prototype Technology Group | 7th |
| 24.9.2005 | 250 mile Watkins Glen | 16 | #02-017 | Marks / Hand | Prototype Technology Group | 29th |
| 24.9.2005 | 250 mile Watkins Glen | 17 | #02-041 | Collins / Valentine | Prototype Technology Group | 19th |
| 24.9.2005 | 250 mile Watkins Glen | 21 | #02-040 | Auberlen / Milner | Prototype Technology Group | 26th |
| 24.9.2005 | 250 mile Watkins Glen | 22 | #02-018 | James / Gleason | Prototype Technology Group | 18th |
| 25.9.2005 | Brands Hatch GT 250 | 3 | | Donaldson / Clarke | Oakfields | 12th/8th |
| 2.10.2005 | Belcar Spa RF | 71 | | Beliën / Jakobs | Belien Motorsport | 15th |
| 2.10.2005 | Belcar Spa RF | 72 | | Severich / Steinberg | Belien Motorsport | NC |
| 2.10.2005 | Belcar Spa RF | 73 | | Werckx / Van Bellingen | M-S-E | NC |
| 2.10.2005 | Belcar Spa RF | 75 | | Smets / Kenis | Geerts Roel | 7th |
| 2.10.2005 | Belcar Spa RF | 76 | | Olij / van den Bosch | | 26th |
| 2.10.2005 | Belcar Spa RF | 91 | | Josten / Muytjens | GS Motorsport | 33rd |
| 2.10.2005 | Belcar Spa RF | 92 | | Essers / Houbben | Brother Racing | 24th |
| 2.10.2005 | Belcar Spa RF | 94 | | Beckers / van Samang | M-S-E | 19th |
| 2.10.2005 | Belcar Spa RF | 95 | | Barrow / Cox | Moore Int. Motorsport | 16th |
| 2.10.2005 | Belcar Spa RF | 96 | | Meijers / Tieman | Meijers Motorsport | 32nd |
| 9.10.2005 | 400 km Virginia | 13 | #02-041 | Johnson / Connolly | Prototype Technology Group | 42nd |
| 9.10.2005 | 400 km Virginia | 16 | #02-017 | Marks / Hand | Prototype Technology Group | 10th |
| 9.10.2005 | 400 km Virginia | 17 | #02-040 | Collins / Valentine | Prototype Technology Group | 29th |
| 9.10.2005 | 400 km Virginia | 21 | #E46 GT 006 | Milner / Auberlen | Prototype Technology Group | 9th |
| 9.10.2005 | 400 km Virginia | 22 | #02-018 | James / Gleason | Prototype Technology Group | 24th |
| 23.10.2005 | Belcar Zolder BM | 71 | | Beliën / Jakobs | Belien Motorsport | 19th |
| 23.10.2005 | Belcar Zolder BM | 72 | | Severich / Steinberg | Belien Motorsport | 33rd |
| 23.10.2005 | Belcar Zolder BM | 73 | | Werckx / Van Bellingen | M-S-E | DNA |
| 23.10.2005 | Belcar Zolder BM | 74 | | Cuyvers / Bruynoghe | Carlier Racing | 20th |
| 23.10.2005 | Belcar Zolder BM | 75 | | De Keersmaecker / Smets | Geerts Roel | DNS |
| 23.10.2005 | Belcar Zolder BM | 91 | | Josten / Muytjens | GS Motorsport | 18th |
| 23.10.2005 | Belcar Zolder BM | 92 | | Essers / de Hoen | Brother Racing | DNS |
| 23.10.2005 | Belcar Zolder BM | 94 | | Beckers / Van Delm | M-S-E | 21st |
| 23.10.2005 | Belcar Zolder BM | 95 | | Barrow / Cox | Moore Int. Motorsport | 16th |
| 23.10.2005 | Belcar Zolder BM | 96 | | Meijers / Tieman | Meijers Motorsport | 29th |
| 23.10.2005 | Belcar Zolder BM | 99 | | Seldon / O'Brien | GTS Motorsport | DNA |
| 5.11.2005 | 250 mile Mexico | 05 | #02-017 | Auberlen / Sigal | Sigalsport | 20th |