Forget those prom night party-boats— this long-wheelbase edition cat, packing 125mm onto the standard XJ frame ... inherent in a Jaguar. Which is not to say that the car isn't interesting ...

According to Jaguar, the long wheelbase XJ models are the longest in their class--longer than the Mercedes-Benz S-Class or BMW 7-Series. Acceleration and handling with either the standard engine or ...