First appeared in in 2008, revealed an official sport sedan. But in three years, 2011 Cadillac CTS Sport Sedan received several updates as the model year 2011 Cadillac with a new bumper design with details of the internal male black fin, and a new set of wheels and some interior upgrades. New location for the German competition authority, the BMW M5 and 2011 Mercedes-Benz ML63 AMG.