PORSCHE RACING HISTORYSiegfried Brunn (D)
1980 : Brands Hatch 6 Hours - 2nd in class : Silverstone 6 Hours - 2nd overall : Vallelunga 6 Hours - 2nd overall, 1st in class
16 March 1980 - Brands Hatch 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 908/03 | 908/03-012 | S+2.0 | Siegfried Brunn (D)/Albert Obrist (CH) | Siegfried Brunn (D) | 10th | 2nd | 4th | 133 laps |
11 May 1980 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 908/03 | 908/03-012 | S+2.0 | Siegfried Brunn (D)/Jürgen Barth (D) | Siegfried Brunn (D) | 2nd | 2nd | 8th | 235 laps |
25 May 1980 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 33 | Porsche 908/03 | 908/03-012 | S+2.0 | Volkert Merl (D)/Siegfried Brunn (D) | Liqui Moly Equipe (D) | DNF | 12th | 14 laps - Fuel Tank |
7 September 1980 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 82 | Porsche 908/03 | 908/03-012 | S+2.0 | Siegfried Brunn (D)/Derek Bell (GB) | Siegfried Brunn (D) | 2nd | 1st | 9th | 267 laps |
28 September 1980 - Dijon 1000 Kilometres - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 908/03 | 908/03-012 | S | Siegfried Brunn (D)/Derek Bell (GB)/Steve O'Rourke (GB) | Siegfried Brunn/Casa (D) | DNF | 2nd | 66 laps - Front Suspension |