The Jaguar Mk.

X was the top of the range saloon built by the British manufacturer primarily aimed at the US market.

The unitary construction body-shell was codenamed ‘Zenith’ during development and this floor pan continued in production long after production ended.

The interior was the last Jaguar with abundant standard woodwork, including the dashboard, escutcheons, window trim, a pair of large book-matched fold-out rear picnic tables and a front seat pull-out picnic table stowed beneath the instrument cluster.

It was also the first Jaguar saloon to feature independent rear suspension and differed from earlier large Jaguar saloons in having 14" wheels instead of the more common 15".

The car initially featured a 3,781cc version of Jaguar's XK in-line, six-cylinder engine.

For the London Motor Show in October 1964, the enlarged 4,235cc unit took over although the 3.8 litre unit could still be specified until October 1965.

Stopping power for this heavy car came from servo assiste...