In the Botswana Special, Richard bought an Opel Kadett that he named Oliver. Jeremy and James found the fact that Hammond gave the car a name hilarious and never stopped ridiculing him throughout the episode. After the journey was complete, Richard brought it back to the UK.
Richard drove the Opel all the way across the spine of Africa without a modification. The only problem he encountered was that it broke down after driving into a river, which required replacing all of the electrical system.