Daimler Conquest: the old guard's last graceful stand (1953–1958) The Daimler Conquest was the grand old marque's mid-1950s bid for the professional classes, a dignified 2.4-litre saloon with Daimler's silken preselector transmission, plus the quicker Century and a startling roadster. A guide to the range, the famous name, what to check when buying, and what a Conquest costs today.