PORSCHE RACING HISTORYGiovanni Borri (I)
1973 : Targa Florio - 1st in class : Monza 6 Hours - 3rd in class
13 May 1973 - Targa Florio - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 106 | Porsche 911 Carrera RSR | GT+2.0 | Giovanni Borri (I)/Mario Barone (I) | Scuderia Brescia Corse | 7th | 1st | 24th | 10 laps |
2 June 1973 - European GT Championship Imola - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 911 Carrera RSR | GT3.0 | Giovanni Borri (I) | 16th | 11th | 35 laps |
2 September 1973 - Monza 6 Hours - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | GT3.0 | Giorgio Schön (I)/Giovanni Borri (I) | 4th | 3rd | 12th | -7 laps |