PORSCHE RACING HISTORYChassis No. 906-153
19 June 1966 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 906 LH | 906-153 | P2.0 | Jo Siffert (CH)/Colin Davis (GB) | Porsche System Engineering (D) | 4th | 1st | 22nd | 339 laps |
5 February 1967 - Daytona 24 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 906 LH | 906-153 | P2.0 | Dieter Spoerry (CH)/Rico Steinemann (CH) | Squadra Tartaruga Switz. (CH) | 5th | 2nd | 20th | 608 laps |
1 April 1967 - Sebring 12 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 40 | Porsche 906 LH | 906-153 | P2.0 | Rico Steinemann (CH)/Dieter Spoerry (CH) | Squadra Tartaruga Switz. (CH) | 6th | 3rd | 17th | 218 laps |
25 April 1967 - Monza 1000 km - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 906 LH | 906-153 | P2.0 | Dieter Spoerry (CH)/Rico Steinemann (CH) | Squadra Tartaruga (CH) | 7th | 3rd | 12th | 93 laps |
1 May 1967 - Spa 1000 km - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 906 LH | 906-153 | P2.0 | Dieter Spoerry (CH)/Rico Steinemann (CH) | Squadra Tartaruga (CH) | DNF | 11th | Ignition |
28 May 1967 - Nürburgring 1000 km - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 26 | Porsche 906 LH | 906-153 | P2.0 | Rico Steinemann (CH)/Dieter Spoerry (CH) | Squadra Tartaruga (CH) | DNF | 15th | 1 lap - Drive Shaft |