Jaguar introduced the Mark X in 1961 at the British Motor Show. The car represented the most luxurious saloon offered by Jaguar and marked the first time a Jaguar saloon featured an independent rear suspension. The Mark X featured a monocoque body construction. The car was bigger than the outgoing model in every respect as Jaguar was attempting to build a larger car to appeal to the profitable North American market. In 1966 the Mark X was renamed the 420G. With the new name came a few changes which included the option of two-tone color scheme, a vertical rib in the grille, side indicator lights, as well as new hubcaps and revised badging at the rear. The changes to the car improved sales slightly, but in 1970 production of the Jaguar 420G came to an end. From 1966 to 1970 Jaguar built 5,542 examples of the 420G.

This 1967 Jaguar 420G Saloon is presented in a two-tone green over beige paint scheme. The car rides on thin whitewall tires with factory wheel covers. The Jaguar is powered by an inline six-cylinder engine which is paired to an automatic transmission. It is reported the engine numbers correlate with the data tag in the engine bay. The interior of the car is completed in tan leather with wood dashboard and trim accents. Interior features include air conditioning, electric windows, Smiths gauges, clock, as well as Alpine speakers and radio with cassette player. The rear of the car has fold down tray tables and rear air conditioning in the package tray. This Jaguar 420G is a beautiful example of the brand, and represents one of the more unique saloons produced by Jaguar.