The Jaguar XK (X150) is a grand tourer from Jaguar and is the base model of the second generation XK that is placed below the XKR. Compared to the older XK X100, the new X150 is a completely new car as it is no longer based on the Jaguar XJS. It was designed by Ian Callum and was unveiled at the 2005 Frankfurt Motor Show. The XK lineup underwent a facelift in 2009 and 2011.