The new Daihatsu Sirion is a totally differently proportioned car to its predecessor and more closely matches the Nissan Micra for length, width and height but with passenger space rivalling the considerably longer Honda Jazz. For example its front and rear tracks � at 1,460 and 1,465 mm � are 65 and 60 mm wider than before. The Sirion�s length of 3,600 mm is