Cars from the "colonies": the Vauxhall Monaro VXR from Australia and the Chrysler 300C from the United States take on the Jaguar S Type R on the beach at Pendine Sands in south Wales. Back at the Top Gear track, Jeremy is trying to tell the difference between the old Porsche 911 Carrera and the new Porsche 911 Carrera S. That could be the least of Jeremy’s worries, in the last series after looki