The Cadillac ATS line of compact luxury vehicles gets several changes for the 2015 model year that make it more competitive in the segment.
Most notably, the four-door ATS Sedan is joined by the two-door 2015 ATS Coupe variant that will take on the likes of the BMW 4 Series, Mercedes-Benz C-Class Coupe, and Audi A5/S5. There are also various changes to the equipment and features of the 2015 ATS Sedan.
