Fuel economy:21 cty/31 hwy
What's New for 2015 The 2015 Cadillac ATS Coupe is a new model.
Fuel economy:22 cty/31 hwy
What's New for 2016 For 2016, the Cadillac ATS Coupe gets a new 3.6-liter V6 with improved fuel economy and performance, while an eight-speed automatic transmission replaces the old six-speed. All models receive an automatic start-stop function to save fuel. The CUE infotainment system loses its SD card slot but gets hardware and software upgrades, including full smartphone integration via Apple CarPlay and Android Auto.