Purchased vehicle 4 months ago. Since then, exhaust system had to be replaced due to a harmonic vibration that could be heard while accelerating. Vehicle delivered with imperfections in paint (Tri-Coat Color). Two bubbles are visible and GM is still deciding as to whether the entire left side of vehicle will be repainted or take a chance that there is no air beneath bubble. Engine has a rough idle and is loud compared to foreign vehicles I've owned. Vehicle oversteers somewhat.
Easy to maneuver, OnStar, Navigation System user friendly.
Quality control. Interior of vehicle has a lot of plastic which is evident compared to other vehicles. Service at dealership is still not consumer friendly compared to Lexus or Mercedes. A lot of work yet to be done.