Competition XK140 raced in period by David Hobbs.

Chassis S807297 was manufactured on 5th October 1955, registered TAC743, and delivered via S H Newsome of Coventry to its first owner Howard Hobbs of Leamington Spa on 17th October. Howard Hobbs, originally a native of Adelaide in Australia, was the inventor of the Mechamatic gearbox, an early variant of the automatic transmission. This gearbox was used in a number of the Hobbs family cars and tested on the race track by Howard's son David, who started his long and illustrious racing career in the late 1950s while working as an apprentice for Daimler cars.