page_title: Jaguar XJS
section_title: XJR-S
hierarchical_section_title: Jaguar XJS / Series II (1981–1991) / XJR-S
caption_attribution_description: 1990.
context_page_description: The Jaguar XJ-S is a luxury grand tourer manufactured and marketed by British car manufacturer Jaguar Cars from 1975 to 1996, in coupé, fixed-profile and full convertible bodystyles. There were three distinct iterations, with a final production total of 115,413 units over 20 years and seven months.
  Originally developed by William Heynes Jaguar Chief Engineer and Vice Chairman using the platform and chassis of the then current Heynes designed XJ saloon, the XJ-S was noted for its prominent rear flying buttresses. The early styling initiated by Heynes and partially by Jaguar's aerodynamicist Malcolm Sayer — one of the first designers to apply advanced aero principles to cars. Sayer died just before the XJ-S body styling was frozen for production.
  In its final iteration produced from 1991 to 1996, was manufactured after Jaguar was acquired by Ford, who introduced numerous modifications — and eliminated the hyphen in the name, marketing Jaguar's longest running model simply as the XJS.
context_section_description: From 1988 to 1993, a special high performance XJR-S version equipped with the 5.3 litres (5,344 cc) HE V12 engine was produced by the newly formed JaguarSport, a separate company owned in a ratio of 50:50 by Jaguar and TWR Group Limited specialising in developing high performance Jaguar sports cars. The car had a distinctive body kit, special alloy wheels, a unique suspension system utilising modified coil springs and Bilstein shocks, a luxurious interior with Connolly Autolux leather along with walnut wood trim, and handling improvements. The first 100 of these cars were named "Celebration Le Mans" to commemorate Jaguar's 1988 win at the 24 Hours of Le Mans and were only sold in the UK. Between 1988 and 1989, a total of 326 XJR-S cars were produced with the 5.3 litres (5,344 cc) engine which has a power output of 237 kW (318 hp). After September 1989, the displacement of the engine was increased to 5,993 cc (6.0 L) and it was now equipped with Zytek fuel injection and engine management system. This was different from the standard 6.0-litre engine used in the late XJS models and was unique to this model. The power output was raised to 245 kW (329 hp) at 5,250 rpm and 495 N⋅m (365 lb⋅ft) of torque at 3,650 rpm due to a higher compression ratio of 11.0:1, a new forged steel crankshaft, increased bore and forged alloy pistons. A modified air intake system and a low loss dual exhaust system was also standard on the model. The engine was mated to the 3-speed GM400 automatic transmission utilising a recalibrated valve body and had faster shift times. The car was equipped with Dunlop D40 M2 tyres for better grip. These modifications resulted in a top speed of 260 km/h (160 mph). During a comparison test conducted by Motorsport magazine in 1997, the XJR-S outperformed the other competitors which included a BMW 850i, Porsche 928 GT and a Ferrari Mondial.
  A total of 787 coupés and 50 convertible cars were built for the world market. In the United States, to commemorate the XJ220 launch in 1992, a limited number of 100 XJR-S coupes and convertibles were produced for the American market only. These included 22 Signal Red coupes, 22 Signal Red convertibles, 22 Jet Black coupes, 27 Jet Black convertibles, 2 Flamenco Red coupes, and the Silver Frost 'Press Cars' of 4 coupes and 1 convertible.
caption: Jaguar XJR-S 6.0 V12
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