GMC Overview

GMC Model Line Comparison

Worst Model Year
Most Complaints
GMC Sierra 1500 has 4,965 complaints on file for GMC vehicles.
The worst models are the 2008 Acadia, 2015 Sierra 1500, 2015 Yukon, 2014 Sierra 1500, and the 2010 Terrain.

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Worst Reported GMC Problems

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