The used 2012 GMC Yukon XL in Waterloo, IA has aged like fine wine. It might be older than three years, but it's style and grace is still relevant today. Want better fuel economy? How about 18 (MPG)? Don't worry about the 79,325 miles on this vehicle, it's just starting its life. Its a v8 Carbon Black Metallic SUV that makes room for the whole family. Want to learn more about this 2012 GMC Yukon XL? Contact Community Buick GMC.