Duration: 1 hour
Jeremy Clarkson gets chased by the British Army in some of their latest and most deadly toys. Meanwhile, Richard Hammond and James May compare the new Porsche Panamera against a small envelope, a 39p stamp and the logistical might of the Royal Mail in a race from one end of the British Isles to the other.
Plus, Olympic gold medal-winning sprinter Usain Bolt is the Star in a Reasonably Priced Car.
Available on: DVD, Video download or Watch online
From suppliers: Amazon, BBC Shop, iTunes, LOVEFiLM
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