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We expect the 2025 Terrain to have about average reliability when compared to other new cars. This prediction is based on GMC's brand history and the previous generation of the Terrain.
The Reliability score is based on our latest subscriber survey of 2020 GMC Terrain owners. The owner comments describe problems respondents experienced with this vehicle.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
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.
"Sunroof leaks into the cabin soaking the carpet. It started early this year. Resolution has been to let it dry and weve tried to clear the drain channels by pouring water through them. We will keep watching it and clean the edge of the sunroof to try to prevent the channels from getting clogged."
Anonymous, PA (2020 GMC Terrain SLT 1.5-L 4 Cyl turbo)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Issue started immediately after buying the car in 2019. The slightest tap on the door chips the paint. All rocks and debris kicked up on the road knocks the hood. The dealership told us to buy a paint pen from them for it. Were waiting until we sell it to use the paint pen to touch up the knicks."
Anonymous, PA (2020 GMC Terrain SLT 1.5-L 4 Cyl turbo)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"The compressor was making noise and when we took it in for service, they said it was failing. Our warranty was expiring within 250 miles. When we left it for service, they could not get it to repeat the noise, so they extended our warranty for another year on the A/C."
Anonymous, OH (2020 GMC Terrain 1.5-L 4 Cyl turbo)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
"The intake tube to the turbo blew off the vehicle in Georgia when traveling from Florida to Michigan."
Anonymous, MI (2020 GMC Terrain SLT 1.5-L 4 Cyl turbo)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"The brakes squeal whenever we come to a stop.it sounds like some piece of junk car and is very embarrassing. The dealer said it was because of the material they used when it was manufactured and told us to ask for a different kind when we had them replaced."
Anonymous, OH (2020 GMC Terrain 1.5-L 4 Cyl turbo)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
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.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
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.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
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.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"It started with the check engine light and the dealer said an animal chewed a wire to the part. They charged me $600 for this."
Anonymous, OH (2020 GMC Terrain SLT 1.5-L 4 Cyl turbo)