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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.

40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.

Jaguar XJ could move to all-electric platform late this year

The Jaguar XJ is getting a little long in the tooth. The current generation of Jaguar's flagship sedan debuted back in 2009, making it one of the oldest vehicles still on the market. This week, Autocar reported that a new XJ could debut late this year and would move to an all-electric platform. That would place the XJ straight against cars like the Tesla Model S and upcoming Porsche Mission E, presumably sharing parts with the upcoming I-Pace electric crossover. While a couple of refreshes have kept the Jaguar competitive, the Mercedes-Benz S-Class and BMW 7 Series and Audi A8 have gone through full redesigns since the XJ debuted. (Two for the Audi). Compared to the Germans, the Jaguar looks and feels dated, especially when it comes to technology, active safety and alternative powertrains. In the U.S., the XJ is only available with either a supercharged gasoline V6 or V8. The competition from Germany, Japan and the U.S. all offer some form of electrification. Moving to an all-electric powertrain would be a huge shift for Jaguar and is sure to spark some debate among enthusiasts. The British automaker has previously stated it plans to electrify all new vehicles after 2020. Look for electrified variants of current models to be available, too. The new XJ is rumored to be co-developed with a new model called the Road Rover, a sort of high-riding sedan or wagon in the vein of the Audi allroad or Volvo V90 Cross Country. Like the XJ, the Road Rover would use a battery electric powertrain. Look for more news on both models later this year. Related Video: