Matt LeBlanc and Chris Harris take a trip across Sri Lanka in tuk-tuks. Professor Green is this week's Star in a Reasonably Fast Car, and a pair of saloons are put to the test.

Matt LeBlanc, Chris Harris and Rory Reid buy used luxury limousines from Rolls-Royce, Bentley and Mercedes for the price of Britain's cheapest new car, and test them out in a six-hour endurance race at Silverstone.