Jaguar Xf Premium Sedan 4-door 5.0l 2010 on 2040-cars

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Is the Jaguar XFR-S really worth $17k more than the XFR? [w/poll]

Adding performance to a car is rarely cheap - whether you're looking to do it yourself or rely on the factory to do it for you. In the case of the new Jaguar XFR-S, the cost differential over an already-impressive (and somewhat expensive) XFR is a stout $16,800. Auto Express recently got a hold of both cars to see whether that price pays off on the track.
For that price, Jaguar gives the XFR-S an extra 40 horsepower and 41 pound-feet of torque - for a total of 550 hp and 502 lb-ft - to go with a stiffer suspension, beefed-up differential and, of course, meaner styling. We don't want to ruin the results of the AE video, but right off the bat, the host says that you can feel the extra power of the XFR-S, but that it's not a "night-and-day difference."
Scroll down to see what happens when two high-powered Jags go head-to-head on a track. And then be sure to let us know whether or not you think the added money is worth it for the XFR-S in the completely informal poll below.

Jaguar Land Rover building new R&D center for hybrids, EVs, autonomous cars

The success of Jaguar Land Rover in recent years has largely been down to a resurgent product lineup, but a recent move into the research and development will see the British-based, Indian-owned brands take the fight to its German rivals more aggressively than ever before.
JLR is investing 50 million pounds ($80,345,000, as of this writing) in a joint R&D center in central England. The move will more than triple its staff dedicated to research, from 150 to 500, with Wolfgang Epple, JLR's Director of Research and Technology telling Automotive News Europe, "In order to play among the big animals in automotive and to be anchored in the mind of customers you have to have offered something unique, to be first in market. We want to be one of the key premier automotive manufacturers."
Jaguar Land Rover's 50-million-pound contribution represents more than half of the 94-million-pound tab, on the so-called National Automotive Innovation Campus. Based at Warwick University, Tata's European Technical Center, Warwick Manufacturing Group and the Higher Education Funding Council, an agency of the British government, are all chipping in for the facility.

2014 Jaguar XFR-S is the power and the fury

If there's something wrong about a sedan with a 550-horsepower supercharged V8, we don't want to hear about it. Instead, we want to marvel at the car in person, which is fortuitous because Jaguar has officially unveiled the 2014 XFR-S at the 2012 LA Auto Show. That blown 5.0-liter V8 dishes up a full 502 pound-feet of torque, which is good enough to shuttle the four-door to 60 mph in a scant 4.4 seconds. And, thanks to a start stop system and a few other fuel-saving tricks, the 2014 XFR-S gets away without being hit by the gas guzzler tax.
That's all good news, but we're just as excited about the fact that engineers managed to crank up the vehicle's chassis stiffness by a ludicrous 30 percent. Stiffer dampers and springs also give the car a little more poise, and a wide-open exhaust lets the whole world know you're kicking down their door. You know, in case the electric blue paint and wild body work didn't tip your hand. Check out the full gallery above for a closer look.