Know where the Mastretta MXT was built, the range on the e500 or even the power output on the Lightning GT? If you spent a good few days at the ExCel in London last week then you have a great chance at scoring highly in our multiple-choice tester, designed to outfox even the most hardened motor show fan. Of course, the answers will be lurking about in our editorial pages, but give yourself a challenge and see if you can remember some key stats and facts from some of the stars of the British Motor Show.