The rear end of these cars are very defective, they make noise and the car has trouble picking up speed with this defective rear end sytem, the whole thing has to be replaced on them. The steering system is very defective also,
on high speeds and you can't control the CTS Coupe the steering is too lose, you need to stay away from this car do to it's safety issues. The also made the seats cheaper on the CTS 2013 its very hard on your back.