PORSCHE RACING HISTORYChassis No. 550-0104
1956 - 0104 is the final of four 550A prototypes. The 550A replaced the 550 RS 1956 - Sold by the factory to the preeminent American privateer John “The Kingfish” Edgar. 1957 - Jean-Pierre Kunstle 1958? - George Keck, Seattle, washington, USA 1960 - Ted Davies 1962? - S.K. Smith, Medford, Oregon, USA 2004 - Julio Palmaz 2023 - Offered for sale RM Sotherbeys, Monterey, California - Est $5,500,000 - $7,500,000 - Sold after auction
29 July 1956 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 550 A RS Coupé | 550-0104 | S1.5 | Richard von Frankenberg (D)/Wolfgang von Trips (D) | Porsche KG (D) | 5th | 1st | 282 laps |
5 August 1956 - Rheinland-Pfalz Preis Nürburgring - German Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 54 | Porsche 550 A RS | 550-0104 | S1.5 | Umberto Maglioli (I) | Porsche (D) | 5th | 5th | 7 laps |
23 March 1957 - Sebring 12 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 550 A RS | 550-0104 | S1.5 | Jean Pierre Kunstle (USA)/Ken Miles (GB) | J. Kunstle (USA) | 9th | 2nd | 184 laps |