| 16.6.1991 | 24 h Nürburgring | 12 | | Heger / Danner / Quester | Linder M Team | DNF |
| 16.6.1991 | 24 h Nürburgring | 14 | | Ravaglia / Oestreich / Soper / Winkelhock | BMW M Team Schnitzer | DNF |
| 16.6.1991 | 24 h Nürburgring | 15 | | Winkelhock / Hahne / Nissen | BMW M Team Schnitzer | 1st |
| 16.6.1991 | 24 h Nürburgring | 18 | | Dufter / Bovensiepen / von Bayern | Team mastop | DNF |
| 16.6.1991 | 24 h Nürburgring | 20 | | Schneider / Wirth / Langreuther | Auto Budde Team Fina Tankstellen | 26th |
| 16.6.1991 | 24 h Nürburgring | 21 | | Messina / Szameitat / Suttner | | DNF |
| 16.6.1991 | 24 h Nürburgring | 22 | | Prüser / Jansen / Coenen | Rheydter Club für Motorsport | 40th |
| 16.6.1991 | 24 h Nürburgring | 24 | | von Saurma-Jeltsch / Voigt / Wyss | Auto Budde Team Fina Tankstellen | 108th |
| 16.6.1991 | 24 h Nürburgring | 25 | | Trumm / Scheer / Hering | Auto Budde Team Fina Tankstellen | DNF |
| 16.6.1991 | 24 h Nürburgring | 26 | | Hamann / Häcker / Musewald / Arndt | Hamann Motorsport GmbH | 35th |
| 16.6.1991 | 24 h Nürburgring | 27 | | Möller / Felder / Sazma | Renngemeinschaft Bergisch-Gladbach | DNF |
| 16.6.1991 | 24 h Nürburgring | 28 | | Felder / Severich / Prym | | 10th |
| 16.6.1991 | 24 h Nürburgring | 29 | | Wolf / Ahrabian / Schissel / Eickwinkel | | DNF |
| 16.6.1991 | 24 h Nürburgring | 31 | | Meyer / Böhm / Schulze-Ardey | MSC Westerkappeln | 21st |
| 16.6.1991 | 24 h Nürburgring | 32 | | Bychl / Palma / Amorim | Bychl Euroracing | DNF |
| 16.6.1991 | 24 h Nürburgring | 34 | | Stoffel / Sesterheim / Caspers | Stephan Erben Leasing | 58th |
| 16.6.1991 | 24 h Nürburgring | 126 | | Holzer / Ilien / Frieske / Bos | Krause Lorenz Motorsport | DNF |
| 16.6.1991 | 24 h Nürburgring | 127 | | Wlazik / Richter | Sachs Sporting | 18th |
| 16.6.1991 | 24 h Nürburgring | 131 | | Scheid / Hennes / Hölzl / Lingmann | MSC Adenau | 6th |
| 16.6.1991 | 24 h Nürburgring | 132 | | Jeleniowski / Lautner / Scholl | Scuderia Augustusburg Brühl | DNF |
| 16.6.1991 | 24 h Nürburgring | 133 | | Wollgarten / Hufstadt / Hering / Meeuvissen | ATE Alfred Teves GmbH Frankfurt | 5th |
| 16.6.1991 | 24 h Nürburgring | 136 | | Weis / Gindorf / Krankenberg | Tele Medien Service GmbH | 37th |
| 16.6.1991 | 24 h Nürburgring | 138 | | Wagenstetter / Wittmann / Schönstein / Reiter | AC Radevormwald e. V. | 7th |
| 27.7.1991 | 500 km Kemora | 17 | | Alamäki / Koiranen / Snabb | | 2nd |
| 27.7.1991 | 500 km Kemora | 18 | | Westman / Westman | | DNF |
| 4.8.1991 | 24 h Spa | 1 | | Pirro / Ravaglia / van de Poele | Bastos Castrol Team | DNF |
| 4.8.1991 | 24 h Spa | 2 | | Joosen / Martin / Béguin | Bastos Castrol Team | DNF |
| 4.8.1991 | 24 h Spa | 3 | | de Liedekerke / Enge / Bervid | Bastos Castrol Team | 9th |
| 4.8.1991 | 24 h Spa | 4 | | Severich / Hennes / Hölzl | Teves Sport | 13th |
| 4.8.1991 | 24 h Spa | 5 | | Bychl / Weis / Faubel | Bychl-Euroracing | DNF |
| 4.8.1991 | 24 h Spa | 6 | | Coronel / Reinders / Hoogeveen | Dr. Vaníček Motorsport | DNF |
| 4.8.1991 | 24 h Spa | 7 | | Vaníček / Venc | Dr. Vaníček Motorsport | DNA |
| 4.8.1991 | 24 h Spa | 8 | | Lorang / Hauser / Richter | Christian Hauser Racing | 8th |
| 4.8.1991 | 24 h Spa | 9 | | Delétraz / Gounon / Carugati | Jean-Denis Deletraz | DNF |
| 4.8.1991 | 24 h Spa | 10 | | Bertinchamps / Maillien / Dufter | Team Mastop | DNF |
| 4.8.1991 | 24 h Spa | 34 | | Maljean / de Groodt / Wansart | Ecurie Bruxelloise | 27th |
| 17.11.1991 | 6 h Vallelunga | | | Massa / Bardelli | | 14th |
| 17.11.1991 | 6 h Vallelunga | | | Crinelli / Sigala | | 5th |