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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 2021 GMC Terrain owners. The owner comments describe problems respondents experienced with this vehicle.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"The SD card and the SD card reader had to be replaced"
Anonymous A., VA (2021 GMC Terrain SLT 1.5-L 4 Cyl turbo)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
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.
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.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
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.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
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.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"back tailgate leaked water into the car when i washed it"
Anonymous, WA (2021 GMC Terrain SLE 2.0-L 4 Cyl turbo)