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We expect the 2025 Sierra 1500 will be less reliable than the average new car. This prediction is based on data from 2022, 2023 and 2024 models.
The Reliability score is based on our latest subscriber survey of 2012 GMC Sierra 1500 owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Oil sensor was clogged and required cleaning//replacement. But access to the sensor is on the back of the engine and not easy to replace a $10 part"
Anonymous A., MN (2012 GMC Sierra 1500 SLE 5.3-L V8)"Slow drain on the battery. Truck will not start in colder temperatures."
Anonymous, AB (2012 GMC Sierra 1500 SLT 4.3-L V6)Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
"Cooler line leak from corrosion Lost all transmission fluid"
Anonymous, CT (2012 GMC Sierra 1500 SLE 5.3-L V8)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Rust on all regular areas. Electronic rust proofing installed by dealer did not work."
Anonymous A., ON (2012 GMC Sierra 1500 SLT 5.3-L V8)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Check engine light came on and it indicated a problem with the canister purge valve. I had it replaced for $140.00. After 100 miles it came on again. It is still on. This is the first problem I had in 135,000 miles. This truck has been perfectly reliable for 12years and I would recommend it to anyone."
Anonymous, OH (2012 GMC Sierra 1500 SLT 5.3-L V8)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.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
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.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
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.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
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.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
GMC Sierra 1500
Chevrolet Silvera...
Ford F-150
Ram 1500
Toyota Tundra
"The climate system developed a bad musky smell and had to be cleaned dismantled and cleaned which was expensive"
Anonymous, CT (2012 GMC Sierra 1500 SL 5.3-L V8)