The Jaguar Mk.

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

The unitary construction bodyshell was codenamed 'Zenith' during development and this floor pan continued in production long after Mk.

X production ended, as the DS420 Limousine.

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.

Later, air conditioning and a sound-proof glass division between the front and rear seats were available as options.

The Mk.

X was 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 front suspension used double wishbones with coil springs and telescopic dampers.

The car initially featured a 3,781cc version of J...