The higher-performance XF gets a revised, vented hood, and a more aggressive front air dam to signal its arrival. A new side sill accentuates the XF's lower flared character line, resulting in a more menacing stance, augmented by the large wheels and performance-minded brake package with cross-drilled rotors. The rear valance has also been changed to accommodate the XFR's new quad-exhaust setup.
Researching the U.K. registration plates of prior XFR prototypes--which had been caught testing in England earlier this year--suggested that the pumped-up XF was running a 4997cc V-8. Reports out of the U.K. suggest that this engine is supercharged, so something in excess of 500 hp is expected.
The sound of the engine as the XFR launched itself away from our cameras was impressive--as was how quickly it became a mere dot on the horizon. This Jag clearly has the muscle to back up its more sinewy shape. Look for a Paris auto show launch as a 2010 model.--KGP Photography