Our goal is to make your car buying experience the best possible. Bentley Buick GMC Cadillac's dealership offers a wide variety of New and Used cars, Buick, GMC, Cadillac incentives, service specials, and Buick, GMC, Cadillac parts savings. Conveniently Located In Huntsville, AL we also serve Madison, AL and Decatur, AL. If you're looking to purchase your New Dream Car, you've come to the right place. At Bentley Buick GMC Cadillac we pride ourselves on being the most reliable and trustworthy Buick, GMC, Cadillac dealer around. Our inventory is filled with some of the Sweetest Rides you've ever seen!