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"You can credit the XFR-S&amp;#039;s supercharged 32-valve 5.0-liter V-8 for this Jaguar&amp;#039;s performance leap. By improving flow into and out of the combustion chambers and revising the engine management system, Jag ups horsepower by 40 to 550 bhp at 6500 rpm and torque by 41 to 502 lbs.-ft. between 2500-550 rpm. The aluminum block-and-heads engine already has spray-guided direct fuel injection and dual independent variable cam timing. Set in the engine&amp;#039;s vee is a Roots-type twin vortex supercharger that gets air via a pair of water-cooled intercoolers.   Video window may take a few moments to load...          For just $99,000 you could have one of the 100 U.S.-designated 2014 Jaguar XFR-S models.   Sound Attributes   To emphaize the added performance of the engine, Jaguar routes its exhausts through a central X-piece to achieve an almost straight through exhaust. That brings with it a special sound that, to quote Jag, `&amp;quot;crackles&amp;quot; on deceleration.&amp;quot; As if that wasn&amp;#039;t enough, the XFR-S&amp;#039;s intake has a &amp;quot;symposer&amp;quot; that pipes some induction noise to the interior for still more aural stimulation.        2014 Jaguar XFR-S Sedan    Backing the 550 bhp is an 8-speed ZF automatic with Quickshift. There are a number of ways you can use the transmission from purely automatic to shifting with the paddles on the steering. Also, the Jaguar recognizes performance driving characteristics - there&amp;#039;s even a program called Corner Recognition - and during all this is ready to remap the transmission to make its shifting more or less aggressive in response to your driving.   Part of the package is a stop/start system.   Where&amp;#039;s the Beef?   To match the added power, Jaguar has beefed-up numerous driveline components, from the torque converter to the driveshaft&amp;#039;s central bearing to halfshafts.        2014 Jaguar XFR-S Sedan    Ditto in the suspension, lateral stiffness up by 30 percent at both ends of the XFR-S with higher spring rates. At the back is a new subframe to go with a revised geometry and the increased spring and bushing rates. Tires are unique Pirellis (265/35R-20s front/295/30R-20s at the back) on lightweight alloy wheels.   All the electronically-driven systems like the Dynamics Stability Control, active differential and the brakes have been reworked to cope with the added power. All this was developed and tested on the high-speed Nardo track in Italy and on the N\u00FCrburgring&amp;#039;s Nordschliefe, which must be quite busy considering how many vehicles are being tested there these days.        2014 Jaguar XFR-S Sedan    Styling Subtly? Not Here.   At the front is a taller bumper with large intakes at the sides and low in front to feed air to the voracious blown V-8. The lower blade in the front is made of carbon fiber and works with a similar diffuser in the rear bumper to fight lift. Those deeper side sills and what Jag calls the &amp;quot;aero blade molding&amp;quot; help keep the air attached to the sides of the XFR-S as it flows rearward. You can order either of two rear spoilers, the largest with a center aero section made of carbon fiber. The manner in which the 20-in. alloy wheels fill the wheel wells adds to the Jag&amp;#039;s broad muscular stance. In total, the aero aids lower lift by 68 percent.   You&amp;#039;d find this same thinking inside the XFR-S, plenty of leather and carbon fiber to fit the image. Settled in, you&amp;#039;d be able to enjoy not just that quick 0-60 time but - given the right time and place - a top speed of 186 mph (electronically limited). Despite its performance level, the XFR-S matches the XFR&amp;#039;s fuel economy of 15 mpg city/23 mpg highway and avoids the gas guzzler tax. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/car-shows/los-angeles-auto-show/news/a3707/2014-jaguar-xfr-s-sedan/>