Excessive oil consumption and timing chain failure
ENGINE
37 NHTSA complaints · 2018-12 → 2026-08
“The timing chain snapped and caused the engine to seize on our 2016 GMC Terrain 2.4L SLC-1 SUV/Truck”
“I am reporting excessive oil consumption in my 2016 GMC Terrain with the 2.4L Ecotec engine. The vehicle burns through an abnormal amount of oil between routine oil changes, often requiring additional oil changes without any visible leaks or dashboard warnings until the oil”
“The contact owns a 2016 GMC Terrain. The contact stated while driving approximately 45 MPH, the vehicle lost motive power and stalled. The vehicle was towed to the local dealer to be diagnosed”