18.3.1973 | Coupes de l'ACIF | 24 | #911 360 0643 | Claude Ballot-Léna | | 5th |
24.3.1973 | 12 h Sebring | 1 | #911 360 0755 | Keyser / Minter | Toad Hall Motor Racing | 2nd |
24.3.1973 | 12 h Sebring | 81 | #911 360 0756 | Egerton / Forbes-Robinson | Far West Racing | 4th |
25.3.1973 | Varano [GT] | | | Giovanni Borri | | 1st |
31.3.1973 | DARM Nürburgring [GT] | 120 | #911 360 0921 | Günter Steckkönig | Manfred Weissmann Racing Speyer | 24th |
31.3.1973 | DARM Nürburgring [GT] | 121 | #911 360 0643 | Claude Ballot-Léna | Claude Ballot-Léna | 1st |
31.3.1973 | DARM Nürburgring [GT] | 122 | #002 0005 | Ennio Bonomelli | Ennio Bonomelli | DNA |
31.3.1973 | DARM Nürburgring [GT] | 127 | #911 230 0818 | Eberhard Sindel | Team Europa-Möbel | DNA |
1.4.1973 | 300 km Nürburgring | 120 | #911 360 0921 | Günter Steckkönig | Manfred Weissmann Racing Speyer | DNF |
1.4.1973 | 300 km Nürburgring | 121 | #911 360 0643 | Claude Ballot-Léna | Claude Ballot-Léna | 1st |
1.4.1973 | 300 km Nürburgring | 122 | #002 0005 | Ennio Bonomelli | Ennio Bonomelli | DNA |
1.4.1973 | 300 km Nürburgring | 127 | #911 230 0818 | Eberhard Sindel | Team Europa-Möbel | DNA |
8.4.1973 | Hockenheim [GT/T] | 102 | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm | 5th |
8.4.1973 | Hockenheim [GT/T] | 105 | #911 230 0827 | Peter Bernhard | F R C | 4th |
8.4.1973 | Hockenheim [GT/T] | 108 | #911 360 0921 | Günter Steckkönig | Manfred Weissmann Racing | 2nd |
8.4.1973 | Hockenheim [GT/T] | 109 | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | DNF |
15.4.1973 | Trans-Am Road Atlanta | 9 | #911 360 0782 | Hagestad / Tracey | Bob Hagestad Porsche-Audi | 8th |
15.4.1973 | Trans-Am Road Atlanta | 59 | #911 360 0727 | Peter Gregg | Brumos Porsche-Audi Corp. | 1st |
15.4.1973 | Trans-Am Road Atlanta | 65 | #911 360 0701 | Harrison / Loomis | WQXI | 18th |
15.4.1973 | Trans-Am Road Atlanta | 81 | #911 360 0756 | Grey Egerton | | DNA |
15.4.1973 | 60 mile Zolder | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | ?th |
21.4.1973 | 3 h Daytona | 1 | #911 360 0755 | Michael Keyser | Toad Hall Motor Racing | 3rd |
21.4.1973 | 3 h Daytona | 11 | #911 360 0865 | Rojas / Rebaque | | 12th |
21.4.1973 | 3 h Daytona | 59 | #911 360 0727 | Gregg / Haywood | Brumos Porsche-Audi Corp. | 1st |
21.4.1973 | 3 h Daytona | 65 | #911 360 0701 | Pete Harrison | Gregg Loomis | 34th |
22.4.1973 | DARM Zolder [GT] | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | DNF |
25.4.1973 | 1000 km Monza | 83 | #911 230 0818 | Sindel / Siegle | Rallye Gemeinschaft Ulm | DNQ |
25.4.1973 | 1000 km Monza | 92 | #002 0005 | Bonomelli / Zeccoli | Ennio Bonomelli | NC |
29.4.1973 | DRM Nürburgring Eifelrennen | 7 | #911 360 0921 | Günter Steckkönig | Firma Manfred Weissmann | 4th |
29.4.1973 | DRM Nürburgring Eifelrennen | 17 | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 13th |
1.5.1973 | Magny-Cours [GT] | 42 | #911 360 0643 | Claude Ballot-Léna | | 1st |
5.5.1973 | Trans-Am Lime Rock | 9 | | Allison / Hagestad | Bob Hagestad Porsche-Audi | 32nd |
5.5.1973 | Trans-Am Lime Rock | 51 | #911 360 0755 | Keyser / Behr | Toad Hall Motor Racing | 4th |
5.5.1973 | Trans-Am Lime Rock | 59 | #911 360 0727 | Gregg / Posey | Brumos Porsche-Audi Corp. | 2nd |
6.5.1973 | 1000 km Spa | 52 | #911 230 0818 | Sindel / Siegle | Rallye Ulm | DNF |
6.5.1973 | DARM Sembach [GT+1.6/Gr.3 +2.0] | 475 | #911 230 0827 | Peter Bernhard | FRC Zürich | DNA |
13.5.1973 | Euro GT GP Paris | 7 | #911 360 0643 | Claude Ballot-Léna | Ballot-Lena | 1st |
13.5.1973 | Euro GT GP Paris | 8 | #911 230 0827 | Peter Bernhard | Formel Rennsport Club | raced |
13.5.1973 | Targa Florio | 9 | #911 360 0020 R2 | Kinnunen / Haldi | Martini Racing | 3rd |
13.5.1973 | Euro GT GP Paris | 19 | #002 0005 | Ennio Bonomelli | Scuderia Brescia Corse | 3rd |
13.5.1973 | Euro GT GP Paris | 27 | #911 360 1088 | Charles Geeraerts | Charles Geeraerts | DNA |
13.5.1973 | Avus [GT] | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 1st |
20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 223 | #911 230 0827 | Peter Bernhard | Peter Bernhard | 6th |
20.5.1973 | DARM Salzburgring | | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm | 2nd |
20.5.1973 | DARM Salzburgring | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 1st |
27.5.1973 | Coppa AGIP Monza [GT+1.6] | 3 | #002 0005 | Ennio Bonomelli | Ennio Bonomelli | 1st |
27.5.1973 | 1000 km Nürburgring | 52 | #911 230 0818 | Sindel / Siegle | Team Europa-Möbel | 16th |
27.5.1973 | 1000 km Nürburgring | 58 | #911 360 0921 | Steckkönig / Fritzinger | M. Weissmann, Vorhangschienen-Fabrik | DNS |
2.6.1973 | Euro GT Imola | 81 | #002 0005 | Ennio Bonomelli | Ennio Bonomelli | 18th |
2.6.1973 | Euro GT Imola | 82 | #911 360 0643 | Claude Ballot-Léna | Sonauto | 3rd |
2.6.1973 | Euro GT Imola | 85 | #911 360 1088 | Charles Geeraerts | Royal Air Maroc | 7th |
2.6.1973 | Euro GT Imola | 90 | #911 230 0827 | Peter Bernhard | | DNA |
2.6.1973 | Euro GT Imola | | #911 230 0818 | Eberhard Sindel | | 4th |
10.6.1973 | 500 mile Pocono | 1 | #911 360 0755 | Keyser / Behr | Toad Hall Motor Racing | 2nd |
10.6.1973 | 24 h Le Mans | 48 | #911 360 0020 R2 | Gregg / Chasseuil | Porsche System Engineering Ltd.-Sonauto | 14th |
10.6.1973 | 24 h Le Mans | 49 | #911 360 1196 | Égreteaud / Lagniez | Jean Egreteaud | DNF |
10.6.1973 | 500 mile Pocono | 65 | #911 360 0701 | Loomis / Harrison | Gregg Loomis | 5th |
10.6.1973 | 24 h Le Mans | 81 | #002 0005 | Bonomelli / Pica / Pianta | Ennio Bonomelli | DNA |
10.6.1973 | Rhein-Ruhr Zolder [GT] | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 1st |
16.6.1973 | Trans-Am Watkins Glen | 2 | | Michael Keyser | Toad Hall Motor Racing | 11th |
16.6.1973 | Trans-Am Watkins Glen | 9 | | Bob Hagestad | Bob Hagestad | 7th |
16.6.1973 | Trans-Am Watkins Glen | 59 | #911 360 0727 | Peter Gregg | Brumos Porsche-Audi Corp. | 2nd |
17.6.1973 | Hockenheim [GT] | | #911 360 0921 | Günter Steckkönig | | 1st |
17.6.1973 | Hockenheim [GT] | | #911 230 0818 | Eberhard Sindel | | 2nd |
24.6.1973 | Euro GT Nivelles | 11 | #911 360 0643 | Claude Ballot-Léna | Ballot-Léna | 2nd |
24.6.1973 | Euro GT Nivelles | 14 | #911 230 0827 | Peter Bernhard | Bernhard | DNA |
24.6.1973 | Euro GT Nivelles | 17 | #911 360 1088 | Charles Geeraerts | Geeraerts | 5th |
24.6.1973 | Euro GT Nivelles | 30 | #002 0005 | Ennio Bonomelli | Bonomelli | DNF |
24.6.1973 | Norisring [GT] | 81 | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 7th |
24.6.1973 | Norisring [GT] | 82 | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm/ADAC | 6th |
1.7.1973 | Avus [GT+1.6] | 2 | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm | 1st |
1.7.1973 | Avus [GT+1.6] | 10 | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 2nd |
1.7.1973 | DRM Mainz-Finthen | 13 | #911 360 0921 | Günter Steckkönig | Manfred Weissmann | 3rd |
4.7.1973 | 250 mile Daytona Paul Revere | 1 | #911 360 0755 | Michael Keyser | Toad Hall Motor Racing | 4th |
4.7.1973 | 250 mile Daytona Paul Revere | 59 | #911 360 0727 | Gregg / Haywood | Brumos Porsche-Audi Corp. | 2nd |
8.7.1973 | Euro GT Estoril | 3 | #911 360 0643 | Claude Ballot-Léna | Sonauto | 4th |
8.7.1973 | Euro GT Estoril | 12 | #911 360 1088 | Charles Geeraerts | Royal Air Maroc | DNF |
8.7.1973 | DARM Niederstetten | | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm | 2nd |
8.7.1973 | Niederstetten [GT CH] | | | Fredy Lienhard | | 1st |
8.7.1973 | DARM Niederstetten | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | DNF |
15.7.1973 | 6 h Mid-Ohio | 1 | #911 360 0755 | Keyser / Beasley | Toad Hall Motor Racing | 1st |
15.7.1973 | Trans-Am Sanair | 59 | #911 360 0727 | Peter Gregg | Brumos Porsche-Audi Corp. | 6th |
15.7.1973 | DARM Hockenheim [GT+1.6] | | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm | ?th |
15.7.1973 | DRM Diepholz | | #911 360 0921 | Günter Steckkönig | M. Weißmann Vorhangschienen | 5th |
15.7.1973 | DARM Hockenheim [GT+1.6] | | #911 230 0827 | Peter Bernhard | | ?th |
15.7.1973 | DARM Hockenheim [GT+1.6] | | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | 4th |
21.7.1973 | 6 h Watkins Glen | 16 | #911 360 0755 | Keyser / Minter | Toad Hall Motor Racing | 8th |
21.7.1973 | 6 h Watkins Glen | 58 | #911 360 0865 | Rebaque / Rojas | Brumos Porsche-Audi Corp. | DNA |
21.7.1973 | 6 h Watkins Glen | 65 | #911 360 0701 | Loomis / Harrison | Gregg Loomis | DNF |
21.7.1973 | 6 h Watkins Glen | 81 | #911 360 0756 | Egerton / Forbes-Robinson | Pharr West Racing | 11th |
22.7.1973 | SM Hockenheim [S+1.6/GT+2.0] | 339 | #911 230 0827 | Peter Bernhard | Peter Bernhard | DNF |
22.7.1973 | SM Hockenheim [S+1.6/GT+2.0] | 340 | #911 360 0837 | Fredy Lienhard | Lista Racing-Team | ?th |
22.7.1973 | SM Hockenheim [S+1.6/GT+2.0] | 344 | #911 360 0894 | Eugen Kiemele | Eugen Kiemele | ?th |
28.7.1973 | Trans-Am Road America | 9 | | Bob Hagestad | Bob Hagestad | 23rd |
28.7.1973 | Trans-Am Road America | 59 | #911 360 0727 | Peter Gregg | Brumos Porsche Audi Corp. | 29th |
28.7.1973 | Trans-Am Road America | 81 | #911 360 0756 | Grey Egerton | Pharr West Racing | DNA |
5.8.1973 | DRM Nürburgring GP | 5 | #911 360 0921 | Günter Steckkönig | Manfred Weißmann | 3rd |
5.8.1973 | DRM Nürburgring GP | 15 | #911 230 0827 | Peter Bernhard | FRC | DNF |
5.8.1973 | DRM Nürburgring GP | 16 | #911 230 0818 | Eberhard Sindel | Rallyegemeinschaft Ulm | DNF |
5.8.1973 | Euro GT Thruxton | | #002 0005 | Ennio Bonomelli | Ennio Bonomelli | raced |