Excessive oil consumption leading to engine failure
ENGINE
75 NHTSA complaints · 2019-07 → 2026-02
“The contact owns a 2014 GMC Terrain. The contact stated while driving at an undisclosed speed, the contact became aware of an abnormal odor coming from the engine compartment, with the check engine warning light illuminated”
“The contact owns a 2014 GMC Terrain. The contact stated that while driving at various speeds, the vehicle was consuming an excessive amount of engine oil. There was no warning light illuminated. The contact was adding approximately 3-4 quarts of oil every 1,000 miles”
“Vehicle's 3.6L engine is consuming excessive amounts of oil. Over 2 QT oil every 2,000 miles. Issue confirmed by GMC certified dealer and independent mechanic”