The All New GMC Sierra AT4 in Augusta, ME

The all new GMC Sierra AT4 will allow you to take your Maine travels off-road and explore more with impressive towing capabilities and a 2-inch factory installed lift for higher ground clearance to navigate tough terrain. Make your daily commute more exciting and experience the entirely new distinguished appearance of the AT4. Located in Augusta, Maine, O'Connor Auto Park is in an ideal location to take your brand new AT4 just a few miles outside of town and test your off-road capabilities.


Here are a few impressive features of the AT4 that make this the truck to have going into 2019:

  • A sophisticated and confident appearance with a bold black chrome grille
  • Off-road suspension and shocks
  • Available high definition for surround vision when navigating Waterville, ME and Camden, ME roads
  • ProGrade Trailering System
  • Red vertical recovery hooks
  • OnStar® & GMC Connected Services 
Check out our inventory of all new GMC Sierra AT4 vehicles at O'Connor Auto Park in Augusta, Maine today!

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