A tire is seen on the Jaguar XJ Ultimate, the most luxurious Jaguar sedan ever made by the British automotive manufacturer with a retail price of HK$4 million ($515,000), during a news conference at its showroom in Hong Kong May 24, 2012. Apart from a private preview at the 2012 Beijing Auto Trade Show, Hong Kong is the first city in the world to showcase the new car for public viewing. [Photo/Agencies]