What's wrong with GMC Terrain?
The GMC Terrain has the most complaints for its early years, with 107 submitted for 2010; 128 for 2011; 72 for 2012; and 46 for 2013. The three biggest problems across all the model years are excessive oil consumption (in 2011), transmission failure (in 2010), and excessive oil consumption again (in 2010).Jul. 27, 2020The Worst GMC Terrain Problems Are Unreasonably Expensive to Fix
