There are 1 owner-reported speed control & cruise complaints for the 2014 GMC Terrainin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
. IN OCTOBER 2019 MY CAR NEEDED TO HAVE EXTENSIVE WORK DONE ON ITS TIMING CHAINS, VARIABLE VALVE TIMING SOLENOIDS, INTAKE VARIABLE ENGINE VARIABLE TIMING SOLENOID, VARIABLE VALVE TIMING SPROCKET, HEATED OXYGEN SENSOR, TIMING COVER GASKET SET, VALVE COVER GASKET SET, IRIDIUM SPARK PLUGS, WATER PUMP, ENGINE OIL FILTERS, SYNTHETIC DEXOS MOTOR OIL, COOLANT. THEN IN JULY 2020 THE TIMING CHAINS COLLAPSED ON ME WHILE I WAS ON MY WAY HOME FROM WORK. THE ENTIRE ENGINE HAD TO BE REPLACED. MY CAR WAS COMPLETELY TOTALED AFTER THE ENGINE COLLAPSED AND I WAS STUCK OWING 12000 DOLLARS ON A USELESS CAR.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026