The equally flat-windowed but bulbous Jaguar Mark X was released to the market the same year.

[4] The 4,561 cc (278 cubic inch) hemi-head engine pushed the 2¼ tonnes of car and driver to 100 km/h in under 11 seconds, to 100 mph in 37 seconds and provided a top speed of 183 km/h (114 miles per hour),[2] rather better than the much shorter lighter 5-passenger Jaguar Mark X. Autocar road testers said "Few cars possess the Jekyll and Hyde personality of the Daimler limousine in providing very high performance, comfort, safety and enormous carrying capacity .

after enjoying the Daimler for its special merits of high performance and excellent handling, one feels even a little sympathy for chauffeurs who may rarely have the opportunity to discover for themselves the other side of the car's character.

[2] October 1961 £3,995 including tax,Jaguar Mark X £2,393 There were only three English limousines in production in 1966.

The Rolls-Royce Phantom V was available for approximately £10,700, the Daimler DR450 for £3,558 complete (or £1,899 for a bare chassis), and the Vanden Plas Austin Princess for around £3,100.