| 25.5.1980 | 1000 km Nürburgring | 81 | Monza 3.0E | Herler / Schumacher / Weisheidinger | Gilden Kölsch Racing Team | 32nd |
| 25.5.1980 | 1000 km Nürburgring | 83 | Commodore | Woitech / Scheid | | DNQ |
| 25.5.1980 | 1000 km Nürburgring | 111 | Ascona B SR 2000 I | Walter / Prinz | Secula Veltman Tuning | DNF |
| 25.5.1980 | 1000 km Nürburgring | 112 | Kadett | Ruether / Helmig / Moeller | | DNS |
| 25.5.1980 | 1000 km Nürburgring | 113 | Kadett | Degenhardt / Esser / Esser | Rödler, Sport Dienst | 24th |
| 25.5.1980 | 1000 km Nürburgring | 115 | Ascona B SR GTE | Helmig / Ruether / Moeller | Mendener Automobilclub e.V. | 30th |
| 25.5.1980 | 1000 km Nürburgring | 129 | Kadett | Offermann / Dagenhardt / Mantzel | Rödler Sport Dienst | DNF |
| 8.6.1980 | GP Brno | 11 | Commodore B GS/E | Spiegelsberger / Tomczyk | Rallye Gemeinschaft Rosenheim | DNA |
| 8.6.1980 | GP Brno | 27 | Ascona 2000 | Haag / Geiger | RMS Niefern | raced |
| 8.6.1980 | GP Brno | 28 | Ascona 2000 SLX | Walther / Prinz | Secula Feldmann Tuning | DNF |
| 22.6.1980 | Zolder | 25 | Kadett C GT/E | Günther Knippschild | Günther Knippschild | DNA |
| 22.6.1980 | Zolder | 29 | Ascona | | Manzel-Kissling Opel-Tuning | DNA |
| 22.6.1980 | Zolder | 33 | Kadett | Jablonofsky | Lexmaul Opel-Tuning | DNA |
| 22.6.1980 | Zolder | 37 | Manta | Rudi Wolf | Rudi Wolf | DNA |
| 6.7.1980 | GP Nürburgring | 8 | Monza 3.0E | Schumacher / Herler / Schell | Gilden-Kölsch Racing Team Köln | 25th |
| 6.7.1980 | GP Nürburgring | 21 | Monza 3.0E | Löffler / Filthaut / Mainz | | 30th |
| 6.7.1980 | GP Nürburgring | 42 | Kadett GT/E | Ochs / Schäfer | Mich Opel Tuning | 8th |
| 6.7.1980 | GP Nürburgring | 43 | Kadett GT/E | Kilp / Lilier | Mich Opel Tuning | 23rd |
| 6.7.1980 | GP Nürburgring | 44 | Kadett GT/E | Degenhardt / Esser | Rödler Sport Dienst | raced |
| 6.7.1980 | GP Nürburgring | 79 | Kadett GT/E | Fritzsche / Blasberg | | 27th |
| 13.7.1980 | DRM Salzburgring | 90 | Kadett GT/E | Heinz Kilp | Heinz Kilp | DNA |
| 27.7.1980 | 24 h Spa | 21 | Monza 3.0E | van Hove / Simons / Van Rompuy | Dealer Opel Team Tuning | 12th |
| 27.7.1980 | 24 h Spa | 22 | Monza 3.0E | "Chavan" / Polak / Tricot | Dealer Opel Team Tuning | DNQ |
| 27.7.1980 | 24 h Spa | 23 | Monza 3.0E | Hackner / Weisheidinger | Dealer Opel Team Tuning | 10th |
| 27.7.1980 | 24 h Spa | 24 | Monza 3.0E | Herler / Nückel / Schumacher | Dealer Opel Team Tuning | DNQ |
| 27.7.1980 | Golden State [GTU] | 86 | Manta A | Tony DiBenedetto | Tony DiBenedetto | 19th |
| 27.7.1980 | DRM Diepholz | | Ascona i2000 | Heinrich Haag | Renngemeinschaft Niefern e.V. im ADAC | 15th |
| 24.8.1980 | DRM Zolder Westfalen | 90 | Kadett GT/E | Heinz Kilp | Opel Tuning Mich | 14th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 82 | Kadett GT/E | Heinz Kilp | Mich Opel-Tuning Kröftel | DNA |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 84 | Ascona 2000 | Heinrich Haag | Renngemeinschaft Niefern e. V. im ADAC | 15th |
| 14.9.1980 | Tourist Trophy | 59 | Monza 3.0E | Herler / Schumacher / Weisheidinger | Gilden-Koelsch Racing Team | DNF |
| 14.9.1980 | Tourist Trophy | 60 | Monza | Cleland / Nicholson | Dealer Opel Team | 17th |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 84 | Ascona i2000 | Heinrich Haag | Renngemeinschaft Niefern | 14th |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 86 | Kadett GT/E | Heinz Kilp | Opel Tuning Mich | DNA |
| 5.10.1980 | 24 h Nürburgring | 8 | Commodore GS/E | Greiner / Fremgen / Köhler | Automobilclub Pirmasens 04 | DNF |
| 5.10.1980 | 24 h Nürburgring | 9 | Monza 3.0E | Herler / Weißgerber / Schumacher | Gilden Kölsch Racing Team | 11th |
| 5.10.1980 | 24 h Nürburgring | 10 | Commodore GS/E | Hühnermann / Frenschkowski / Herler | Gilden Kölsch Racing Team | DNF |
| 5.10.1980 | 24 h Nürburgring | 11 | Monza | Hackner / Scharpe / Weisheidinger | Abex Pagid Racing Team | DNF |
| 5.10.1980 | 24 h Nürburgring | 12 | Monza | Löffler / Nückel / Filthaut | | 75th |
| 5.10.1980 | 24 h Nürburgring | 16 | Commodore GS/E | Woitech / Müller / Hackländer | | 24th |
| 5.10.1980 | 24 h Nürburgring | 47 | Kadett GT/E | Mich / Schäfer / Ochs | Mich Opel Tuning | 8th |
| 5.10.1980 | 24 h Nürburgring | 48 | Kadett GT/E | Janitschek / Degenhardt / Kilp | Mich Opel Tuning | 9th |
| 5.10.1980 | 24 h Nürburgring | 49 | Kadett GT/E | Reuter / Siefener / Dören | Valvoline Racing | 50th |
| 5.10.1980 | 24 h Nürburgring | 50 | Kadett GT/E | Bötzel / Schaffrath / Siebel | | DNF |
| 5.10.1980 | 24 h Nürburgring | 51 | Kadett GT/E | Duda / Duda / Wester | Valvoline Racing | DNF |
| 5.10.1980 | 24 h Nürburgring | 52 | Kadett GT/E | Hennes / Wollgarten / Schumacher | Wählen Bedachungen | 18th |
| 5.10.1980 | 24 h Nürburgring | 54 | Kadett GT/E | Hübner / Benninghoff / Belter | | DNF |
| 5.10.1980 | 24 h Nürburgring | 61 | Ascona i2000 | Walter / Prinz / Milling | Secula Veltmann Racing | 12th |
| 5.10.1980 | 24 h Nürburgring | 66 | Kadett GT/E | Offermann / Esser / Mantzel | Mantzel und Kissling | 2nd |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | Commodore | Ferlito | | 9th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | Kadett | Moselli | | ?th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | Kadett | Culotta | | ?th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | Kadett | Calabrese | | ?th |