It might look like a four-door tank, but underneath the heavy camouflage is Jaguar’s all-new XJ! And while these exclusive spy shots give little away about how the car will shape up, it promises to be the most radically different incarnation ever of Jag’s flagship saloon.Ian Callum, the firm’s design Director has revealed that due to lower-selling volumes than the XF , it can afford to be even bolder with the next XJ’s styling. It’s expected mimick the Mercedes CLS by taking the shape of a four-door coupe but with trademark Jaguar design elements - as our exclusive renderings show. Sitting on an modified version of the existing XF’s all-aluminium platform, which will also underpin the next-generation Range Rover, the newcomer is due to break cover in 2010. For more details click here.