The big cat will get more powerful and much smoother in profile.

Although it’s hidden under cladding that would look at home on a military vehicle, this is the 2011 Jaguar XJ that’s due to replace the current—and slow-selling—flagship from the British automaker.

Like the existing XJ, it’s underpinned by an innovative all-aluminum structure. Unlike that car, however, conservative retro styling will be ditched in favor of a much more modern look, masterminded by Jaguar design director Ian Callum. Expect the rear quarters to have very coupe-like proportions, following the lead of the critically acclaimed XF. We’re told that the front end incorporates a particularly aggressive version of the traditional Jaguar XJ grille.