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"If Jaguar makes the riotous XKR-S even more hardcore, it might need a parental advisory warning sticker slapped on the hood. Already available in both coupe and convertible format, a special edition variant of this 550-bhp road rocket has been spotted doing hot-laps at the Nuburgring Nordschleife \u2013 the British automaker maintains a permanent testing facility trackside. The &amp;#039;French Racing Blue&amp;#039; prototype spotted appears fairly similar to the regular production version, with the exception of two small winglets attached to each front corner and a towering rear spoiler mounted on the trunk. A set of 20 inch split-spoke &amp;#039;Vulcan&amp;#039; alloy wheels is what you&amp;#039;ll find on the street car.        2013 Jaguar XKR-S Race Car    Ready for Racing, or for the Street?   So is headed for the road, or is Jaguar targeting racing specials like the Porsche GT3 RS and BMW M3 GTS? We&amp;#039;d bet on the latter. It&amp;#039;s highly unlikely that this test car&amp;#039;s enormous rear spoiler would be fitted to a version destined simply for the street. And with the current XKR-S priced around $138,000, it seems doubtful Jaguar would try bumping the price upwards for anything that wasn&amp;#039;t targeting diehard enthusiasts and intended for some extreme racing action.   Look for Jaguar to reduce weight by removing the rear seats and stripping the dashboard of everything but essential gauges. If you desire burl walnut, tray tables and plush carpeting, this definitely won&amp;#039;t be your kind of Jag. The current XKR-S coupe tips the scales at roughly 3,800 lbs. For comparison, the 2012 Porsche 911 GTS RS 4.0 weighed in at slightly less than 3,000 lbs. \u2013 Jaguar engineers have their work cut out for them.        2013 Jaguar XKR-S Race Car    The direct-injected and supercharged 5.0-liter engine and 6-speed automatic are certain to be revised and beefed up for track duty. Expect similar adjustments for the brake system and suspension setup. Look for Jaguar to show this latest take on the XKR-S sooner rather than later, possibly in September during the Paris Auto Show. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/new-cars/future-cars/news/a18308/caught-testing-2013-jaguar-xkr-s-race-car-1/>