Bought new. Classy looks, smooth and quiet ride, fun to drive. Satisfied with gas mileage, e.g., 31mpg on highway and 19.5mpg suburban driving. Blind spots at center and front roof supports. DIC extremely helpful. Dimming mirror great for night time driving. Front seat lumbar supports too high. 'Had to buy seat pillows for driver and front passenger seats. Rear seats slanted too sharply, making it hard to get out...especially for elderly. OnStar system easy to use. Only one repair was needed in 14 months (steering).
Smooth, quiet, comfortable ride, DIC; dimming mirror, good looks.
To improve entry and egress, raise passenger seats a couple of inches and reduce seat angle at 5 degrees. An additional 12 volt receptacle. Reposition inside trunk release button.