The Mulsanne Grand Limousine by Mulliner is a rare example of a modern coachbuilt car. Its creation involved extending the wheelbase and body of the original Mulsanne by 1,000 mm, as well as adding 79 mm in headroom in the rear, to create a passenger experience like no other. Read more here: http://www.bentleymotors.com/en/world-of-bentley/our-story/mulliner/the-coachbuilt-car/mulsanne-grand-limousine.html