At-A-Glance Highlights. Still the longest wheelbase and longest overall length in class, delivering exceptional interior space while maintaining the tightest turning circle among its competitors Retains all the advantages of the XJ's unique, technically advanced, aluminum alloy monocoque body shell construction New limited edition Super V8 Portfolio flagship joins five-model XJ line-up New laminated side glass and windshield with acoustic interlayer for noise reduction New Conti-Teves braking system to improve pedal feel and performance New Tire Pressure Monitoring System featuring radio-frequency transmitters at each wheel Naturally aspirated V8 now produces 300bhp SAE (up from 294bhp) . Supercharged V8 now produces 400bhp SAE (up from 390bhp) . 4.2 naturally aspirated V8 moves from LEV2 to ULEV (ultra low emissions), and the supercharged 4.2 moves from LEV to LEV2 Chrome mesh grille inserts across model range Freshened exterior appearance with new alloy wheels, removal of body-side and front/rear window moldings and new smoked-lens side indicators DVD-based satellite navigation system now standard on XJR and Vanden Plas Electric rear sunblind now standard on XJ8 L Comprehensive range of comfort and equipment features - including folding picnic trays, four-zone climate control with individual rear passenger settings, multimedia entertainment system with twin display screens, DVD player and universal connectivity compatible with iPod, MP3, etc. All models feature Jaguar's six-speed ZF automatic transmission as standard