The XK150 was the final incarnation of the XK series and it appeared in May 1957, as either a Fixed or Drophead Coupé. A more refined and capable machine than its predecessors, the 150 was noticeably different from earlier versions of the XK theme with a higher scuttle and door line, whilst the radiator grille reverted to the thinner slats of the XK120 but was altogether wider. The bumpers were deeper and wrapped around, a curved windscreen replaced the divided one on the XK120 and 140 and much needed servo-assisted Dunlop disc brakes were fitted at each corner. However, the XK150 retained much of the mechanical layout of the 140, sharing the same 3.4-litre DOHC Jaguar straight-six, which developed 180bhp at 5,750rpm.
