They were designed to take the tough stuff."Dr Cohen also owns two new EVs and an electric Vespa – but says his rebuilt German cross-country vehicle is a ‘one of a kind’."I'm very proud of what we've achieved with the Wolf And when you're driving one, you get lots of thumbs up, you get lots of waves."On the floor of his workshop, engineers are rebuilding seven vehicles – including a shiny blue Porsche."This is probably the most expensive car we've got on the floor