SCE 645S
This was the only works car not built at Abingdon, it was assembled at the Safety Devices factory at Newmarket. It was only used once by the works team at
the 1977 RAC rally and it had a 16v sprint engine. Markku Saaristo and Ian Grindrod brought the car home in 37th place overall.
| Month/Year | Event | Drivers | Result |
| November 1977 | Lombard-RAC Rally | M. Saaristo/I. Grinrod | 37th overall |
| Date | Event | Drivers | Result |
| Nov. 1977 | Lombard-RAC Rally | M. Saaristo/I. Grinrod | 37th overall |