The ATS has options including a new 2-liter, turbocharged four-cylinder engine that's rated at 270 horsepower and the popular 3.6L V-6 at 320 horsepower.
January 9, 2012 8:45 PM PST
Photo by: Tim Hornyak/CNET
| Caption by: Tim Hornyak
Conversation powered by Livefyre
Manage updates with the Download App
