GMC Overview
GMC Model Line Comparison
- Worst Model Year
- 2015
- Most Complaints
- GMC Sierra 1500
CarComplaints.com has 5,009 complaints on file for GMC vehicles.
The worst models are the 2008 Acadia, 2015 Sierra 1500, 2015 Yukon, 2014 Sierra 1500, and the 2011 Terrain.
Click on a model below for more information.
Browse Problems by Model
Worst Reported GMC Problems
-
#1: Transmission Failure 2008 Acadia
- Average Cost to Fix:
- $3,700
- Average Mileage:
- 86,000 miles
-
#2: Transmission Failure 2007 Acadia
- Average Cost to Fix:
- $2,900
- Average Mileage:
- 93,000 miles
-
#3: Excessive Oil Consumption 2011 Terrain
- Average Cost to Fix:
- $5,100
- Average Mileage:
- 93,000 miles