The 2019 Sierra 1500 is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2019 GMC Sierra 1500 owners. The owner comments describe problems respondents experienced with this vehicle.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
""At low speed shifting is rough, jerky""
Anonymous, NH (2019 GMC Sierra 1500 Base 5.3-L V8)"Change transmission fluid needed"
Anonymous A., MI (2019 GMC Sierra 1500 SLE 5.3-L V8)"transmission would not engage immediately when putting into drive."
Anonymous A., NC (2019 GMC Sierra 1500 SLT 5.3-L V8)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
"Catastrophic engine failure most likely due to slipped timing chain. Engine replaced under warranty"
Anonymous, ON (2019 GMC Sierra 1500 SLE 2.7-L 4 Cyl turbo)"engine blew out of the blue"
Anonymous, (2019 GMC Sierra 1500 SLE 5.3-L V8)"It seems to leak out over period of time. This the second time of a leak out since new!"
Anonymous, KS (2019 GMC Sierra 1500 SLT 6.2-L V8)"Caused the engine failure"
Anonymous, ON (2019 GMC Sierra 1500 SLE 2.7-L 4 Cyl turbo)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Multi-pro tailgate would not open. A relay or latch failed and had to be replaced. Tailgate was unable to be opened unless I pulled the inner tailgate cover off and manually release the ltch"
Anonymous A., VA (2019 GMC Sierra 1500 SLT 5.3-L V8)"Ive had annoying function issues with the automatic extension and retracting running boards on both sides of the vehicle. One side had the motor replaced which didnt fix the malfunction so it was mechanically worked on to fix and then a few months later the passenger side running board function needed to be repaired too. All at my expense and inconvenience with a difficult situation getting people and especially seniors in and out of my truck."
Anonymous, BC (2019 GMC Sierra 1500 Denali 6.2-L V8)""Water pump failed, Went out on a trip to Jeannette, PA. It was a catastrophic failure. Had to be towed.""
Anonymous, WV (2019 GMC Sierra 1500 SLT 5.3-L V8)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"Electrical ground was lost and lost control of power steering"
Anonymous, NH (2019 GMC Sierra 1500 AT4 5.3-L V8)"it started as a rotational high pitched noies from front end. Turned into screeching noise over a month of time. Dealer said some type of spring mechanism for 4wd. replaced parts 3 times. finally had total front diff. replacement."
Anonymous, MO (2019 GMC Sierra 1500 SLT 5.3-L V8)Transmission rebuild or replacement, torque converter, premature clutch replacement.
"transmission was slipping and then various things started not working as well. the car would not register as in park when it was in park"
Anonymous A., NC (2019 GMC Sierra 1500 SLT 5.3-L V8)"transmission went out"
Anonymous, (2019 GMC Sierra 1500 SLE 5.3-L V8)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
""Interface is balky, sometimes its works, sometimes it doesnt, gmc does not upgrade the firmware....""
Anonymous, WA (2019 GMC Sierra 1500 Base 5.3-L V8)""Display screen disappears occasionally, GMC does not provide any software fixes""
Anonymous, NH (2019 GMC Sierra 1500 Base 5.3-L V8)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Electronic system shows on screen as needing attention. We live 80 miles from dealer and vehicle might have to be left overnight for analysis."
Anonymous A., (2019 GMC Sierra 1500 SLT 5.3-L V8)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Retractable running boards are not working properly AGAIN!"
Anonymous A., (2019 GMC Sierra 1500 Denali 6.2-L V8)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Upper Brake Light on the cab leaked resulting in water getting into the interior."
Anonymous, WA (2019 GMC Sierra 1500 Denali 5.3-L V8)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.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil 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.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
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.
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.
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.
"8 speed automatic lurches shift onto what seems like neutral. Know issue class action suit."
Anonymous, MN (2019 GMC Sierra 1500 SLT 5.3-L V8)