XJL Ultimate. Luxury, craftsmanship and technology united with the dynamic performance that is at the heart of every Jaguar. It is the car you want to drive. It is the car you want to be driven in. XJL Ultimate is the pinnacle of the Jaguar range. It gives a unique experience by offering both the perfect space to do business, and the perfect space to relax in total comfort and refinement. Take an interactive tour of the extraordinary interior features of the XJL Ultimate.