Big cars with long wheelbases aren’t renowned for their agility or handling prowess, and even if the Jaguar XJ Supersport packs 503 hp and a mostly-aluminum construction , and has some of the better handling characteristics in the class, it’s still a heavy and cumbersome beast. There is so much inertia at play, that if you overstep the margin and go into a corner a bit too quickly, all you can really do is brace for impact. Read more »