2011 Jaguar Xf Premium 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 will build 9 XKSS continuation cars at $1.4m each

The Jaguar D-Type was, for its time, a cutting-edge race car. It was also a car that could, theoretically, drive from Jaguar's Browns Lane factory to the race in France and back. This was an era in which top-tier race cars weren't all that different from their road-going counterparts. You couldn't really do the same in an Audi R18 E-Tron Quattro, now could you? The XKSS was a D-Type with the barest nod to road-going conveniences, like proper wind protection. With some unsold D-Type racers cluttering up the shop after three successive Le Mans wins, Jaguar converted 16 into XKSS spec, and had more in the works. It wasn't a comprehensive transformation, really. A windshield and a passenger door were added; a cabin partition and the striking fin behind the driver were removed. Otherwise, it wasn't much different than the all-conquering Le Mans-winners. And then tragedy struck. A fire destroyed nine of the cars, and the company never picked up where it left off after the mess was cleaned up. Hence Jaguar aficionados, and the company itself, keenly felt the absence of the "lost" cars. After the success of the continuation E-Type lightweights built by the Jaguar Classic division of Special Operations, the company will finish the run. Nine cars will be hand-crafted for a select group of customers and collectors, much as the company did for the lightweights. Jaguar expects the cars to fetch more than $1.5 million each. Considering the mystique of these "lost" cars, and the fact that Steve McQueen is heavily associated with the XKSS, they may trade hands for considerably more after the initial owners part with them. Jaguar expects to start delivering the continuation XKSS cars early next year. Related Video: New York Auto Show Jaguar Convertible Performance Classics jaguar special operations jaguar xkss

1955 Jaguar D-Type that won Le Mans sets $21.78 million record price at auction

There's simply no denying that the Jaguar D-Type is one of the most noteworthy race cars ever devised. Jaguar pioneered the use of the monocoque chassis design, and D-Types won the 24 Hours of Le Mans in 1955, 1956, and 1957. And with its bodywork pulled taught over the wheels, engine, and passenger compartment, not to mention the massive fin behind the driver's headrest, the D-Type also one of the most stunning. The car you see above, Jaguar D-Type chassis number XKD 501, won the 24 Hours of Le Mans in 1956, narrowly defeating a team from Aston Martin. Along the way, this D-Type completed 2,507.19 miles at an average speed of 104.47 miles per hour, and a maximum speed of 156.868 mph on the Mulsanne Straight. It was entered by the non-factory team Ecurie Ecosse, and therefore painted in the team's traditional Scottish blue with a white cross. That kind of provenance, coupled with its pristine original race-winning condition, makes XKD 501 extremely valuable. In fact, it just sold at RM Sotheby's Monterey auction for $21.78 million (a $19.8 million bid plus auction fees), making it the most expensive British automobile ever sold at auction. Take a gander at our high-res image gallery above to soak up all its low-slung goodness. Related Video: