The 2012 Terrain is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2012 GMC Terrain owners. The owner comments describe problems respondents experienced with this vehicle.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"A/C compressor had a high back pressure and I had the compressor replaced. Every thing back to normal."
Anonymous, FL (2012 GMC Terrain SLT 3.0-L V6)"System was not cooling properly. Mechanic said fluid was low. Had it recharged and now works fine"
Anonymous A., FL (2012 GMC Terrain SLE 2.4-L 4 Cyl)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Hood and roof paint chalking and peeling this the original factory paint job."
Anonymous, FL (2012 GMC Terrain SLT 3.0-L V6)"The rust is so bad the the structural integrity of the car will break."
Anonymous, OH (2012 GMC Terrain SLT 3.0-L V6)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Oil consumption that is typical for this engine and a little under power as SUV all wheel drive"
Anonymous, MI (2012 GMC Terrain SLT 2.4-L 4 Cyl)"Extensive rust requiring extebdive repairs, needed to remove backseat to ma I e repairs"
Anonymous, ME (2012 GMC Terrain SLT Unsure)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
""When the display goes blank unable to use the gps, radio, or backup camera.""
Anonymous, OH (2012 GMC Terrain SLT 3.0-L V6)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"I bought car used from friend at 128,000 miles. I have had to add a quart or two of oil every week or two since I've had this car. It may be leaking some but I believe it is using oil."
Anonymous, AL (2012 GMC Terrain SLT Unsure)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Constant rattle especially over bumps and rough roads. Sounds like loose fittings in the front end somewhere."
Anonymous, AB (2012 GMC Terrain SLT 3.0-L V6)Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
"Standard battery problems in Fl. heat shortens bat. life"
Anonymous, FL (2012 GMC Terrain SLT 3.0-L V6)Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
"One of the wheel bearings had to be replaced."
Anonymous, AL (2012 GMC Terrain SLT Unsure)Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
"A/C started blowing hot air last summer. Had the compressor replaced. Good as new!"
Anonymous, FL (2012 GMC Terrain SLT 3.0-L V6)