The Jaguar XJL seems to have arrived from on high, a gift from an automobile enthusiast deity that loves us, and wants us to be happy. The long wheel base provides passengers with five extra inches of leg room, and 385 horsepower come standard, as do state-of-the-art electronic implements. Honestly, there isn't a whole lot one could do to upgrade Jaguar XJL. Below, you'll find the best that we could come up with. Rest assured, these accessories were made exactly to your XJL's specifications. To mess with such a sleek design would be a crime, indeed.