Below are our new GMC, and Buick inventory specials. You can check out Sentry Buick GMC's fantastic specials on a wide variety of new vehicles in the Charleston, Summerville, Mount Pleasant, West Ashley, Beaufort, and Holly Hill areas. Browse through our list of specials to find the vehicle you've always wanted. You can also sign up for a test drive, request a quote, and even value your trade-in vehicle. Check back often because our new vehicle specials change frequently! You can also give us a call at 888-319-8284, and ask for Brent Godfrey, our Internet Manager. He will help get you a great deal on your new GMC, or Buick.