Excellent reliability and great dealer service. Even a grease and oil change gets a complete wash and vacuum at no charge. Ride is quiet and smooth. Excellent power especially for a large vehicle. OnStar is great. Gas mileage is very good city / highway averages 24.9 and straight highway at 70 - 75mph is 29.6.
Heated / memory seats, dual a/c and heater controls, OnStar, ride and overall comfort.
Upgrade dash for more quality look and feel, auto trunk pull down, tighter suspension, more supportive seats, power dual adjustable steering wheel at no charge, some features such as memory/heated seats should be standard not optional.
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