The Armstrong Siddeley Whitley was a large post-war sports saloon automobile and was a version of the 16/18 hp series made between 1946 and 1954 by the British company of Armstrong Siddeley. The Whitley was the last of the range to enter production, first appearing in 1949.The Whitley only used the larger 2309 cc overhead valve engine with a tax rating of 18hp that had first appeared on export versions of the Tempest coupled with a choice of synchromesh or pre-selector gearbox.