1978 Jaguar XJ12L

In 1968 Jaguar introduced their XJ6 - and although introduced with the XK six-cylinder engine, it had always been Jaguar's intention that its flagship saloon would accommodate the new all-alloy V12 engine that had made its introduction in the E-Type sports car, and that happened in July of 1972. The 5.3-liter V12 engine offered 272 horsepower and had a top speed of 145 mph. The performance and luxury found in the 12-cylinder Jaguar rivaled that of many more expensive European sports cars. Though the two-door coupe was aimed at the lucrative USA market, the coupe was never approved by the USA authorities.

In 1974, Jaguar introduced the long-wheelbase XJ12L sedan. The XJ12L rested on a large 112.8-inch wheelbase, had a three-speed automatic gearbox, and had disc brakes in the front and the rear.

In 1997, Jaguar would adopt the fuel-injected engine for the United States market. The overhead-cam 12-cylinder engine displaced 326 cubic-inches and offered 244 horsepower. The 1978 model would continue with no significant changes. It was priced at $23,900 for the XJ12L sedan while the XJ6L sedan sold for $19,000. During 1978, Jaguar sold 3,284 examples of the XJ12L in the United States.


By Daniel Vaughan | Oct 2013

Related Reading : Jaguar XJ History

The Jaguar XJ series began in 1968 and has continued in various forms and Series into modern times. The first Mark was introduced in 1968 and continued until 1992. During this time there were three series, Series 1, Series 2, and Series 3. In 1986 Jaguar introduced the Mark II which continued until 2002. During this time there were the XJ40, XJ81, X300, X305, and X308. The Mark III was introduced....
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1978 Jaguar Concepts

Concepts by Jaguar

Jaguar Monthly Sales Volume

December 2019
3,311
October 2019
2,350
September 2019
2,002
May 2019
2,021
March 2019
3,679
January 2019
3,078
Additional Sales Volume Data


Recent Vehicle Additions

Performance and Specification Comparison

Price Comparison

$3,000-$23,910
1978 XJ12L
$23,910-$109,800
1978 Jaguar XJ12L Base Price : $23,910

Model Year Production

#1#2#3Jaguar
1983Renault (1,491,853)Chevrolet (1,175,200)Toyota (1,068,321)15,815
1982Renault (1,491,853)Chevrolet (1,297,357)Toyota (1,068,321)10,349
1981Chevrolet (1,673,093)Renault (1,295,713)Toyota (1,068,321)4,688
1980Chevrolet (2,288,745)Renault (1,492,339)Ford (1,162,275)2,951
1979Chevrolet (2,284,749)Ford (1,835,937)Renault (1,405,330)3,551
1978Chevrolet (2,375,436)Ford (1,923,655)Renault (1,240,941)4,688
1977Chevrolet (2,543,153)Toyota (1,884,260)Ford (1,840,427)4,349
1976Chevrolet (2,103,862)Toyota (1,884,260)Ford (1,861,537)7,382
1975Chevrolet (1,755,773)Toyota (1,714,836)Ford (1,569,608)6,799
1974Chevrolet (2,333,839)Ford (2,179,791)Renault (1,355,799)5,299
1973Chevrolet (2,579,509)Ford (2,349,815)Fiat (1,390,251)6,767

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