| 1.5.2005 | 500 km Magny-Cours | 4 | #002R (1S9AD11E01B551002) | Becker / Konrad | Konrad Motorsport | 17th |
| 1.5.2005 | Italian GT Misano | 5 | #009R (1S9SB18111S000009) | Bonaldi / Mastracci | Ettore Bonaldi | DNF |
| 1.5.2005 | 500 km Magny-Cours | 5 | #003R (1S9AD11E01B551003) | Alzen / Lechner | Konrad Motorsport | DNF |
| 1.5.2005 | 500 km Magny-Cours | 7 | #015R (1S9AD11P71B551015) | Ruberti / Camathias | Graham Nash Motorsport | 22nd |
| 1.5.2005 | 500 km Magny-Cours | 8 | #010R (1S9AD11E81B551010) | Alméras / Bervillé / Casoni | Graham Nash Motorsport | 16th |
| 1.5.2005 | 500 km Magny-Cours | 20 | #014R (1S9AD11E81B551014) | Stanco / Janus | RAM Racing | DNF |
| 8.5.2005 | FFSA GT Pau | 9 | #035R (1S9SB18133S000035) | Fiat / Dupuy | D D O | 5th |
| 15.5.2005 | Tourist Trophy | 4 | #002R (1S9AD11E01B551002) | Franz Konrad | Konrad Motorsport | DNA |
| 15.5.2005 | Tourist Trophy | 5 | #003R (1S9AD11E01B551003) | Robert Lechner | Konrad Motorsport | DNA |
| 15.5.2005 | Tourist Trophy | 7 | #015R (1S9AD11P71B551015) | Ruberti / Camathias | Graham Nash Motorsport | 15th |
| 15.5.2005 | Tourist Trophy | 8 | #010R (1S9AD11E81B551010) | Hooker / Ardizzone / Panzavuota | Graham Nash Motorsport | 10th |
| 22.5.2005 | 2 h 45 min Mid-Ohio | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller | ACEMCO Motorsports, LLC. | 7th |
| 29.5.2005 | 500 km Imola | 4 | #002R (1S9AD11E01B551002) | Becker / Hermann | Konrad Motorsport | DNF |
| 29.5.2005 | 500 km Imola | 5 | #003R (1S9AD11E01B551003) | Lechner / Bobbi | Konrad Motorsport | DNF |
| 29.5.2005 | Italian GT Vallelunga | 5 | #009R (1S9SB18111S000009) | Bonaldi / Mastracci | Ettore Bonaldi | 6th |
| 29.5.2005 | 500 km Imola | 7 | #015R (1S9AD11P71B551015) | Ruberti / Camathias | Graham Nash Motorsport | DNF |
| 29.5.2005 | 500 km Imola | 8 | #010R (1S9AD11E81B551010) | Casoni / Panzavuota / Varini | Graham Nash Motorsport | 10th |
| 29.5.2005 | FFSA GT Dijon | 9 | #035R (1S9SB18133S000035) | Fiat / Dupuy | D D O | 2nd/4th |
| 29.5.2005 | 500 km Imola | 20 | #014R (1S9AD11E81B551014) | Stanco / Janus | RAM Racing | NC |
| 12.6.2005 | Italian GT Monza | 5 | #009R (1S9SB18111S000009) | Bonaldi / Mastracci | Ettore Bonaldi | 13th |
| 19.6.2005 | 24 h Le Mans | 55 | | Mowlem / Borcheller / Kelleners | ACEMCO | DNA |
| 19.6.2005 | 24 h Le Mans | 65 | | Ruberti / Sutherland | Graham Nash Motorsport | DNA |
| 19.6.2005 | 24 h Le Mans | | | | Konrad Motorsport | DNA |
| 26.6.2005 | 500 km Brno | 4 | #002R (1S9AD11E01B551002) | | Konrad Motorsport | DNA |
| 26.6.2005 | 500 km Brno | 5 | #003R (1S9AD11E01B551003) | Robert Lechner | Konrad Motorsport | DNA |
| 26.6.2005 | 500 km Brno | 7 | #015R (1S9AD11P71B551015) | Ruberti / Janiš | Graham Nash Motorsport | DNS |
| 26.6.2005 | 500 km Brno | 8 | #010R (1S9AD11E81B551010) | Pirri / Šenkýř / Hooker | Graham Nash Motorsport | 12th |
| 26.6.2005 | FFSA GT Val de Vienne | 9 | #035R (1S9SB18133S000035) | Fiat / Dupuy | D D O | 3rd/1st |
| 26.6.2005 | 500 km Brno | 20 | #014R (1S9AD11E81B551014) | Stanco / Marcinkiewicz / Janus | RAM Racing | 17th |
| 4.7.2005 | 2 h 45 min Lime Rock | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller | ACEMCO Motorsports | 5th |
| 10.7.2005 | Italian GT Hungaroring | 5 | #009R (1S9SB18111S000009) | Bonaldi / Mastracci | Ettore Bonaldi | 6th |
| 10.7.2005 | 1000 km Monza | 65 | #010R (1S9AD11E81B551010) | Ettore Bonaldi | Graham Nash Motorsport | DNA |
| 10.7.2005 | 1000 km Monza | 66 | #015R (1S9AD11P71B551015) | Alméras / Bervillé / Ruberti | Graham Nash Motorsport | DNA |
| 17.7.2005 | 2 h 45 min Sonoma | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller | ACEMCO Motorsports, LLC. | 9th |
| 24.7.2005 | Italian GT Magione | 5 | #009R (1S9SB18111S000009) | Mastracci / Bonaldi | E. Bonaldi | DNF |
| 30.7.2005 | 2 h 45 min Portland | 63 | #031R (01-1000-A00001) | Borcheller | ACEMCO Motorsports, LLC. | 22nd |
| 31.7.2005 | 24 h Spa | 7 | #015R (1S9AD11P71B551015) | Paolo Ruberti | Graham Nash Motorsport | DNA |
| 31.7.2005 | 24 h Spa | 8 | #010R (1S9AD11E81B551010) | Erdos / Newton / Mallock / Bennett | Graham Nash Motorsport | 10th |
| 13.8.2005 | 1000 km Silverstone | 64 | #015R (1S9AD11P71B551015) | | Graham Nash Motorsport | DNA |
| 13.8.2005 | 1000 km Silverstone | 65 | #010R (1S9AD11E81B551010) | Cole / Hooker / Lockie | Graham Nash Motorsport | 35th |
| 21.8.2005 | 2 h 45 min Road America | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller | ACEMCO Motorsports | 22nd |
| 28.8.2005 | 500 km Oschersleben | 4 | #002R (1S9AD11E01B551002) | Stahl / Hermann | Konrad Motorsport | 12th |
| 28.8.2005 | 500 km Oschersleben | 5 | #003R (1S9AD11E01B551003) | Gounon / Lechner | Konrad Motorsport | 4th |
| 28.8.2005 | 500 km Oschersleben | 7 | #015R (1S9AD11P71B551015) | Paolo Ruberti | Graham Nash Motorsport | DNA |
| 28.8.2005 | 500 km Oschersleben | 8 | #010R (1S9AD11E81B551010) | | Graham Nash Motorsport | DNA |
| 28.8.2005 | 500 km Oschersleben | 20 | #014R (1S9AD11E81B551014) | Lacko / Stanco / Janus | RAM Racing | DNF |
| 4.9.2005 | FFSA GT Albi | 9 | #035R (1S9SB18133S000035) | Fiat / Dupuy | D D O | DNF/DNF |
| 4.9.2005 | 2 h 30 min Mosport | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller | ACEMCO Motorsports | 8th |
| 4.9.2005 | 1000 km Nürburgring | 65 | #010R (1S9AD11E81B551010) | | Graham Nash Motorsport | DNA |
| 4.9.2005 | 1000 km Nürburgring | 66 | #015R (1S9AD11P71B551015) | | Graham Nash Motorsport | DNA |
| 18.9.2005 | 2 h Istanbul | 4 | #002R (1S9AD11E01B551002) | Marcinkiewicz / Saviozzi / Konrad | Konrad Motorsport | DNF |
| 18.9.2005 | Italian GT Mugello | 5 | #009R (1S9SB18111S000009) | Bonaldi / Mastracci | Ettore Bonaldi | DNF |
| 18.9.2005 | 2 h Istanbul | 5 | #003R (1S9AD11E01B551003) | Ruberti / Lechner | Konrad Motorsport | DNF |
| 18.9.2005 | 2 h Istanbul | 7 | #015R (1S9AD11P71B551015) | | Graham Nash Motorsport | DNA |
| 18.9.2005 | 2 h Istanbul | 8 | #010R (1S9AD11E81B551010) | | Graham Nash Motorsport | DNA |
| 18.9.2005 | 2 h Istanbul | 20 | #014R (1S9AD11E81B551014) | Janus / Stanco / Marcinkiewicz | RAM Racing | DNA |
| 25.9.2005 | FFSA GT Le Mans | 9 | #035R (1S9SB18133S000035) | Fiat / Dupuy | D D O | 12th/2nd |
| 1.10.2005 | Petit Le Mans | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller / Kelleners | ACEMCO Motorsports, LLC. | 6th |
| 16.10.2005 | Italian GT Vallelunga | 5 | #009R (1S9SB18111S000009) | Morbidelli / Bonaldi | Ettore Bonaldi | DNF |
| 16.10.2005 | FFSA GT Magny-Cours | 9 | #035R (1S9SB18133S000035) | Fiat / Dupuy | D D O | 4th/1st |
| 16.10.2005 | 4 h Laguna Seca | 63 | #031R (01-1000-A00001) | Mowlem / Borcheller | ACEMCO Motorsports | 19th |
| 23.10.2005 | 500 km Zhuhai | 4 | #002R (1S9AD11E01B551002) | Lacko / Hermann / Stanco | Konrad Motorsport | DNF |
| 23.10.2005 | 500 km Zhuhai | 5 | #003R (1S9AD11E01B551003) | Ruberti / Lechner / Konrad | Konrad Motorsport | DNF |
| 18.11.2005 | 500 km Dubai | 4 | #002R (1S9AD11E01B551002) | Lacko / Konrad | Konrad Motorsport | DNF |
| 18.11.2005 | 500 km Dubai | 5 | #003R (1S9AD11E01B551003) | Ruberti / Lechner | Konrad Motorsport | DNF |
| 25.11.2005 | 500 km Bahrain | 4 | #002R (1S9AD11E01B551002) | Lacko / Konrad | Konrad Motorsport | 12th |
| 25.11.2005 | 500 km Bahrain | 5 | #003R (1S9AD11E01B551003) | Ruberti / Lechner | Konrad Motorsport | 7th |