The new four - door previews an upcoming fourth variant of the A3 that Ingolstadt sources confirm will form part of a third - generation lineup due out in 2012 and set to include similarly styled successors to today's popular three - door hatchback, five - door Sportback and two - door cabriolet. (autoweek.com)
The GTO is the fourth variant of the 599 - series V - 12 sports car. (automobilemag.com)
The GT C is the fourth variant in the Mercedes - AMG GT line up. (evo.co.uk)