When an automaker tells us its “performance package” raises a vehicle’s top speed from 155 mph to an even more astronomical velocity, we often have to take their word for it – public roads don’t allow such madness in the States. But in Germany, where the Autobahn still remains unlimited in some parts, it is a whole different ball game.

Funk Flex

Jaguar brought us over to Germany for track time on the historic Nürburgring circuit in its high-performance XKR-S Coupe. Being proper English gentlemen, rather than make us sit around and wait hours for our private driving slot, they handed us the keys to an XJ L Supersport (L designates the long wheelbase model) fitted with the new Sport and Speed package. Then they pointed us towards the Autobahn.
Full story: Autoblog