1992 Jaguar Xjs Classic Collection V12 Convertible Southern 49k Miles Rare 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 XK and F-Type meet for final sibling faceoff

There's nothing that real, dyed-in-the-wool car geeks love so much as to say "Old Car X is actually a lot better than New Car Y." For reasons that defy both logic and science, we all (your author included) are able to, almost simultaneously, bitch about needed advancements in current vehicles and then bemoan character lost in the next crop.
Mitsubishi Evo models have been supremely prone to this bifurcation of opinion in recent years (ask an Evo IX fanboy about the Evo X sometime... ), and performance cars wearing WRX, Mustang, and M3 badges have been deeply subject to it, as well.
The Jaguar XK and F-Type are not exactly in the same one-model, generational-changeover form as those mentioned above, but that doesn't mean that there aren't defenders of both the old dog and the new joint. Autocar seeks the truth of the matter in this new video, and we're just happy to come along for the ride. May the best sib win.

Jaguar C-X17 Concept teased before Frankfurt

Just ahead of the Frankfurt Motor Show, which begins September 10, Jaguar is teasing the reveal of a design study to introduce its new advanced vehicle architecture. Dubbed the C-X17, the mysterious concept "illustrates the diversity of vehicles that could be produced using this architecture, which underpins the innovative future of the Jaguar brand."
While it's not entirely clear what this architecture involves or what type of vehicle the C-X17 may be, this reveal is reminiscent of Jaguar's decision to unveil the C-X16 concept, a hybrid electric sports car, in Frankfurt in 2011. From the looks of the teaser image Jaguar released (click above to enlarge), we're guessing the C-X17 will be something between a low-slung crossover and a sporty wagon. But we won't have to wait too long to find out - Jaguar is streaming the live pre-show reveal to invited guests on its Facebook page on Monday, Sept. 9.
In addition to the C-X17, Jaguar be showing off the performance-oriented XJR and XFR-S, and, of course, the F-Type convertible. Scroll down for the official press release.