GMC for Sale in Harpswell, Maine

The 2013 GMC Acadia Denali is the ultimate mid-size SUV equipped with 3rd row seating allowing you to to seat up to 7 passengers! The Acadia is one of the most fuel-efficient 3rd row SUVs, averaging an outstanding 26MPG highway and 21MPG City!! Th...

Handling on this 2017 GMC Sierra 1500 SLE is very responsive and the spacious cabin is as quiet as a luxury car's. This full-size pickup is nothing if not big, tough, and assertive. The Sierra takes that theme to the extreme with blockier styling ...