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| XJ (1968) | |
|---|---|
| Name | XJ (1968) |
| Manufacturer | Jaguar Cars |
| Production | 1968–? |
| Class | Executive car |
| Body style | Sedan |
| Layout | Front-engine, rear-wheel-drive |
| Predecessor | Jaguar Mark X |
| Successor | Jaguar XJ Series II |
XJ (1968) is a full-size executive car produced by Jaguar Cars introduced in 1968 as the marque's flagship saloon, succeeding the Jaguar Mark X and contemporaneous with models from Mercedes-Benz, BMW, and Alfa Romeo. Combining traditional coachbuilding techniques with modern engineering, the XJ consolidated Jaguar's reputation established by earlier models like the Jaguar Mark II, E-Type, and Daimler Majestic while addressing international markets such as United Kingdom, United States, France, Germany, and Italy. Designed under the oversight of chief engineer William Heynes and stylist Malcolm Sayer, the XJ became a touchstone in British automotive design during the late 1960s and early 1970s.
Launched in 1968 at the London Motor Show and unveiled to journalists in Milan and New York City, the XJ combined long- and short-wheelbase variants to appeal to private owners, corporate fleets, and state use by institutions such as royal households and diplomatic missions. Its introduction followed confidence built by models like the Jaguar XK120 and Jaguar Mark V and competed with contemporaries including the Mercedes-Benz W108, BMW New Six, and Rolls-Royce Silver Shadow. Early publicity emphasized luxury appointments comparable to those of Bentley and Rolls-Royce while showcasing engineering derived from racing programs linked to Le Mans successes.
The XJ's body was penned by Malcolm Sayer, whose aerodynamic work on the E-Type informed the silhouette, and supervised by Sir William Lyons, chairman of Jaguar Cars. The design brief balanced proportions inspired by earlier Jaguar saloons with innovations from coachbuilders like Hooper and Vanden Plas. Structural decisions referenced research from MIRA and materials trends promoted by suppliers including British Leyland partners. The suspension layout evolved from development led by Bill Heynes, incorporating independent rear suspension refined from Jaguar sporting models and subframe techniques used on prototypes tested at Silverstone and Brooklands circuits.
The interior trim combined traditional wood veneers from craftsmen associated with Rover and leather supplied through networks servicing Bentley and Aston Martin, featuring amenities that matched luxury standards found in diplomatic limousines used by heads of state in Europe and North America. Electrical systems and instruments used suppliers linked to Lucas Industries and Smiths Group.
The XJ was offered with Jaguar's inline-six engines, evolving from the Jaguar XK powerplant family and developed in collaboration with engineers influenced by racing departments active at Le Mans and Sebring. Displacement options included 2.8 L and 4.2 L variants with twin SU carburettors and later fuel systems paralleling trends seen in Bosch-equipped continental models. Transmission choices comprised a manual gearbox inspired by units used in D-type derivatives and an automatic supplied by ZF Friedrichshafen-related designs.
Chassis construction featured unitary bodywork with box-section reinforcements and independent rear suspension employing driveshaft-in-spring arrangements previously proven on Jaguar sports cars. Braking systems combined servo-assisted discs developed in line with standards from AP Racing and comparable to setups in Lotus prototypes. Wheel and tyre packages responded to suppliers such as Dunlop and Michelin meeting export regulations for markets including United States and Australia.
Initial production took place at Jaguar's factory in Coventry with assembly processes influenced by mass-production practices from Ford Motor Company and coachbuilding methods reminiscent of Carrozzeria Touring. Variants included a short-wheelbase saloon, a long-wheelbase limousine favored by state and corporate buyers, and later high-performance versions equipped by in-house tuning departments and external specialists like Moss and independent coachbuilders. Limited editions and bespoke commissions saw conversions by firms such as Hooper and Vanden Plas, while right-hand- and left-hand-drive configurations addressed markets in Japan, Canada, South Africa, and New Zealand.
Factory options mirrored those available on contemporaries from Cadillac and Lincoln in the North American market, including air conditioning units licensed from Blaupunkt-type suppliers, upgraded audio systems by Clarion-type manufacturers, and enhanced security fittings comparable to those used by diplomatic convoys.
Upon release, motoring press outlets including The Times (London), Autocar, and Road & Track compared the XJ with leading executive cars from Mercedes-Benz, BMW, and Lincoln Continental, praising ride comfort, steering precision, and refinement derived from Jaguar's racing pedigree. Performance figures for the 4.2 L variant placed its top speed and acceleration within reach of premium competitors like the Peugeot 504 and Triumph 2000, though critics noted fuel consumption relative to emerging concerns highlighted during the 1973 oil crisis.
Sales success varied across markets: strong in United Kingdom and Commonwealth realms where brand heritage resonated, more competitive challenges existed in United States against domestic luxury marques and tightening emissions regulations influenced by legislation from United States Environmental Protection Agency. Service network issues linked to broader industrial relations involving British Leyland affected ownership experience in some regions.
The XJ established a design language that influenced subsequent Jaguar models including the XJ Series II and later luxury saloons maintained by successors within Jaguar Land Rover. It became a fixture in state cars, film appearances, and associations with public figures similar to vehicles used by Prime Ministers of the United Kingdom and heads of state in Europe and Asia. Automotive historians link the XJ to broader narratives involving British manufacturing, industrial design studied at institutions like the Royal College of Art, and conservation efforts by preservation societies akin to The Jaguar Daimler Heritage Trust.
Collectors and restorers reference parts catalogs and archival materials held in archives associated with National Motor Museum and specialist clubs such as Jaguar Drivers Club, ensuring the XJ's continued presence at shows like the Goodwood Festival of Speed and Concours d'Elegance events. Its combination of styling, engineering, and status secured a place alongside contemporaries from Rolls-Royce, Bentley, and Aston Martin in encyclopedic treatments of twentieth-century luxury automobiles.
Category:Jaguar vehicles Category:1968 introductions