We already know the base 2.5-liter four-cylinder is rated at 22/33 mpg with the automatic. The third powertrain available in Cadillac's smallest sedan is a turbocharged 2.0-liter four-cylinder making 272 horsepower; it's paired with a six-speed manual. The EPA has yet to rate the turbo, but Cadillac says it should see 22/32 mpg.
The 2013 ATS is available in Standard, Luxury, Performance and Premium trims. The 2.5-liter is available only on Standard and Luxury trims; the 2.0-liter turbo four is available in all trim packages. The 3.6-liter V-6 is available in Luxury, Performance and Premium trims.
The ATS starts at $33,990, including destination, and is on sale now.