2010 Jaguar Xk Xkr on 2040-cars

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This classic Jaguar XJ has a 720-hp ungentlemanly secret

Forget Tawny Kitaen. If you want to make a Jaguar XJ rock, just do what this guy did: stuff a heavily modified and turbocharged General Motors V8 under the hood, and take it to the track.
The video calls this Series 1 XJ a sleeper, but with its open exhaust and obvious turbo whistle, the once-gentlemanly sedan is anything but. The owner says that the engine is GM LQ9 V8 that has been stroked to 402 cubic inches putting out around 720 horsepower with 12 pounds of boost (in standard form, this 6.0-liter V8 was used in the second-gen Cadillac Escalade). Check out the video below to see what that kind of power does for this classic Jaguar in the eighth-mile.

Jaguar to reveal small sedan at Paris show

Small sedans are big business for luxury automakers. The C-Class is the top seller for Mercedes-Benz, much as the 3 Series is for BMW, but Jaguar has historically missed out on that market. Its last attempt, the X-Type, proved woefully inadequate, and Jaguar hasn't attempted to take on that market again since. But that's all about to change.
Coventry has been working on a new small Jaguar for some time now (using test mules like the one above wearing modified XF body panels), and according to the latest reports coming in from the UK, it will showcase the result of those efforts at the Paris Motor Show next October. The show car will take the form of a pre-production concept that is expected to preview the production version very closely before the final item is unveiled at the 2015 Geneva Motor Show.
Tipped to be called XS (somewhat appropriately for the brand's smallest model), the new sedan is expected to be the first to use the company's new aluminum platform previewed by the C-X17. Expect styling to follow along similar lines to said crossover concept and the F-Type sportscar, with eventual sedan, wagon and coupe versions to round out the family.

Jaguar XFR-S is motor-porn on a mountain road

The 2014 Jaguar XFR-S might have only been good enough to take the runner-up spot in our Editor's Choice top five debuts at the LA Auto Show, but we'd be hard-pressed to find a car with a more exhilarating exhaust note. As proof of this, Jaguar released a video showing the XFR-S tearing up a windy, European mountain road in close to a minute of hardcore driving footage.
The big blue cat has the same great exhaust note of the XKR-S, and the driver puts all of the car's 550 horsepower to work demonstrating the handling - and drifting - abilities of the new XFR-S. If there's any disappointment to be had, it's the fact that you have to jump to the 30-second mark of the video for any of the action to start.
Scroll down to watch the video, and be sure your speakers are turned all the way up.