GMC Sierra for Sale in Harpswell, Maine

When you need a truck that can haul a heavy trailer, cradle up to six passengers in luxury SUV-like comfort, or do some combination of both, the 2019 GMC Sierra 2500HD delivers. While the Sierra 1500 is completely redesigned for 2019, the heavy-du...

Handling on this 2016 GMC Sierra 1500 SLT 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 ...