PORSCHE RACING HISTORYEnnio Bonomelli (I)
1971
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 48 | Porsche 911 S | GT+2.0 | Ennio Bonomelli (I)/Christine Beckers (B) | Ennio Bonomelli | DNF | 29th | 15 laps - Engine |
16 May 1971 - Targa Florio - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 S | GT+2.0 | Ennio Bonomelli (I)/Christine Beckers (B) | Bonomelli Squadra Corse | DNF | 20th | 4 laps - DNF |