The DS420 was manufactured by the Daimler Motor Company between 1968–1992 and over 4,000 were produced. It followed on from the Daimler DR450 & Vanden Plas limousines.
Specifications were a 4235cc DOHC Jaguar straight six engine. Wheelbase 141in, length 226in, width 77.56in, height 63.39in and a weight of 4,702 pounds. The car carries the Royal Emblem and was used by the Queen Mother.