If I could, give it a "no star" rating
I want to give it a better rating that my title suggests, for things like comfort, drive-ability and style, however.....
I have had nothing but problems with this car. Piston rings went out, floorboard floods in heavy rain, and the air actuator is going out. These issues have been such a huge pain in the rear for the last 6 months. New "recalls" come out periodically on this vehicle.
I would recommend doing all your research on other GMC owners before buying one of their vehicles... Then I'd go get a Honda or something....