A B Auto Sales is located at 415 A Barnstable Rd, Hyannis, MA. This business specializes in Used Car Dealers. A B Auto Sales is open Mon, 9:05am-6pm; Tue, 9:05am-6pm; Wed, 9:05am-6pm; Thu, 9:05am-6pm; Fri, 9:05am-6pm; Sat, 9am-6pm; Sun, Closed and accepts American Express, Cash, Discover, Mastercard and Visa.