| 25.1.2004 | Mil Milhas Brasileiras | 72 | TT DTM | Negrão / Negrão / Negrão | | 45th |
| 20.3.2004 | 12 h Sebring | 28 | R8 | Kaffer / McNish / Biela | Audi Sport UK Team Veloqx | 1st |
| 20.3.2004 | 12 h Sebring | 38 | R8 | Pirro / Lehto / Werner | Champion Racing | 2nd |
| 20.3.2004 | 12 h Sebring | 88 | R8 | Herbert / Smith / Davies | Audi Sport UK Team Veloqx | 3rd |
| 4.4.2004 | Belcar Zolder NRF | 23 | TT | Mattheus / Redant | TT Racing | DNF |
| 7.4.2004 | LMS Test Paul Ricard | 5 | R8 | Ara / Kristensen / Capello | Audi Sport Japan Team Goh | 1st |
| 7.4.2004 | LMS Test Paul Ricard | 8 | R8 | Kaffer / McNish | Audi Sport UK Team Veloqx | 4th |
| 7.4.2004 | LMS Test Paul Ricard | 88 | R8 | Davies / Smith / Turner | Audi Sport UK Team Veloqx | 5th |
| 25.4.2004 | Le Mans Test | 2 | R8 | Pirro / Lehto / Werner | Champion Racing - Dave Maraj | 3rd |
| 25.4.2004 | Le Mans Test | 5 | R8 | Ara / Kristensen / Capello | Audi Sport Japan Team Goh | 4th |
| 25.4.2004 | Le Mans Test | 8 | R8 | Kaffer / McNish / Biela | Audi Sport UK Team Veloqx | 1st |
| 25.4.2004 | Belcar Zolder WSN | 23 | TT | Mattheus / Redant | TT Racing | 26th |
| 25.4.2004 | Le Mans Test | 88 | R8 | Davies / Smith / Herbert | Audi Sport UK Team Veloqx | 2nd |
| 9.5.2004 | 1000 km Monza | 5 | R8 | Capello / Kristensen / Ara | Team Goh | 3rd |
| 9.5.2004 | 1000 km Monza | 8 | R8 | Kaffer / McNish | Audi Sport UK Team Veloqx | 2nd |
| 9.5.2004 | 1000 km Monza | 88 | R8 | Davies / Herbert | Audi Sport UK Team Veloqx | 1st |
| 23.5.2004 | Spanish GT Jarama | 41 | TT | Angel Banus | Club Jarama Race | 24th/19th |
| 5.6.2004 | Belcar Spa SER | 23 | TT | Mattheus / Redant | TT Racing | 25th |
| 13.6.2004 | 24 h Le Mans | 2 | R8 | Pirro / Lehto / Werner | Champion Racing - Dave Maraj | 3rd |
| 13.6.2004 | 24 h Le Mans | 5 | R8 | Capello / Kristensen / Ara | Audi Sport Japan Team Goh | 1st |
| 13.6.2004 | 24 h Nürburgring | 7 | TT-R Abt | Abt / Ekström / Ekblom / Huisman | Infineon Team Abt Sportsline | 8th |
| 13.6.2004 | 24 h Nürburgring | 8 | TT-R Abt | Huisman / Stippler / Wendlinger / Abt | Infineon Team Abt Sportsline | 4th |
| 13.6.2004 | 24 h Le Mans | 8 | R8 | Kaffer / McNish / Biela | Audi Sport UK Team Veloqx | 5th |
| 13.6.2004 | 24 h Nürburgring | 12 | RS4 Turbo | Bleck / Englerth / Krumbach / Adams | | DNF |
| 13.6.2004 | 24 h Nürburgring | 14 | V8 | Derichs / Kubik / Kienen / Undorf | Derichs Rennwagen e.V. | 93rd |
| 13.6.2004 | 24 h Nürburgring | 15 | ASR Abt | Tomczyk / Terting / Brandl / Ihle | Motorsportclub Stuttgart e.V. | DNF |
| 13.6.2004 | 24 h Nürburgring | 55 | A3 Turbo | Eckhardt / Surer / Möller-Sonntag / Oberndorfer | Pirelli Competizioni | 33rd |
| 13.6.2004 | 24 h Nürburgring | 56 | A3 Turbo | Fiocchi / Küster / Hofmayer / Unger | Pirelli Competizioni | 46th |
| 13.6.2004 | 24 h Nürburgring | 57 | A3 Turbo | Kroher / Kinzer / Gass / Wippersteg | Pirelli Competizioni | 50th |
| 13.6.2004 | 24 h Nürburgring | 59 | 200 quattro | Riebensahm / Kohlhaas / Gerhard | | 124th |
| 13.6.2004 | 24 h Nürburgring | 63 | S3 quattro Turbo | Holz / Scholz / De Groot | | 91st |
| 13.6.2004 | 24 h Nürburgring | 87 | A3 RS | Kühlewein / Waschkau / Speich | König Sitze GmbH - Manthey Racing | DNF |
| 13.6.2004 | 24 h Le Mans | 88 | R8 | Davies / Smith / Herbert | Audi Sport UK Team Veloqx | 2nd |
| 13.6.2004 | 24 h Nürburgring | 265 | A3 TDi | Müller / Geyer / Dose / Sträwe | | DNF |
| 27.6.2004 | 2 h 45 min Mid-Ohio | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 1st |
| 27.6.2004 | Spanish GT Estoril | 41 | TT | Angel Banus | Club Jarama Race | 21st/16th |
| 3.7.2004 | 1000 km Nürburgring | 5 | R8 | Ara / Capello | Team Goh | 4th |
| 3.7.2004 | 1000 km Nürburgring | 8 | R8 | Kaffer / McNish | Audi Sport UK/Veloqx | 1st |
| 3.7.2004 | 1000 km Nürburgring | 88 | R8 | Herbert / Davies | Audi Sport UK/Veloqx | 2nd |
| 4.7.2004 | 500 km Interlagos | 9 | TT DTM | Negrão / Negrão | | 1st |
| 4.7.2004 | Belcar Nürburgring | 68 | A4 quattro | Noll / Schrey | Rüdiger Noll | 22nd |
| 4.7.2004 | 500 km Interlagos | 80 | A3 | | | raced |
| 5.7.2004 | 2 h 45 min Lime Rock | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 1st |
| 18.7.2004 | 2 h 45 min Sonoma | 2 | R8 | Marco Werner | ADT/Champion Racing | unused |
| 18.7.2004 | 2 h 45 min Sonoma | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 1st |
| 25.7.2004 | 2 h 45 min Portland | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 1st |
| 8.8.2004 | 2 h 45 min Mosport | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 2nd |
| 14.8.2004 | 1000 km Silverstone | 5 | R8 | Capello / Ara | Team Goh | 2nd |
| 14.8.2004 | 1000 km Silverstone | 8 | R8 | Kaffer / McNish | Audi Sport UK/Veloqx | 1st |
| 14.8.2004 | 1000 km Silverstone | 88 | R8 | Davies / Herbert | Audi Sport UK/Veloqx | 3rd |
| 22.8.2004 | 2 h 45 min Road America | 2 | R8 | Marco Werner | ADT/Champion Racing | T-car |
| 22.8.2004 | 24 h Zolder | 23 | TT | Mattheus / Redant / Virtanen / Geerinckx | ACM | 22nd |
| 22.8.2004 | 2 h 45 min Road America | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 1st |
| 12.9.2004 | 1000 km Spa | 5 | R8 | Capello / Ara | Team Goh | 2nd |
| 12.9.2004 | 1000 km Spa | 8 | R8 | Kaffer / McNish | Audi Sport UK / Veloqx | DNF |
| 12.9.2004 | Spanish GT Valencia | 41 | TT | Angel Banus | Club Jarama Race | 13th/18th |
| 12.9.2004 | 1000 km Spa | 88 | R8 | Herbert / Davies | Audi Sport UK / Veloqx | 1st |
| 25.9.2004 | Petit Le Mans | 38 | R8 | Lehto / Werner | ADT/Champion Racing | 1st |