Jaguar debuts the XKR Silverstone, a special limited edition based on the award-winning XK8 model, today at the South Florida International Auto Show. Distinguished by a Platinum Silver exterior finish, unique 20-inch-diameter alloy wheels, Brembo brakes with cross-drilled rotors and a special interior treatment, the XKR Silverstone convertible and coupe expand Jaguar's line of high-performance sports cars in the United States and Canada.