Exhaust
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
What Owners Say
"Rear driver's side door handle broke. Passenger side window component had to be replaced."
Anonymous A., WA (2003 GMC Sierra 1500 SLT 5.3-L V8)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 2003 GMC Sierra 1500 owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Rear driver's side door handle broke. Passenger side window component had to be replaced."
Anonymous A., WA (2003 GMC Sierra 1500 SLT 5.3-L V8)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"The first time I had an issue with the paint, it was mostly the hood, which I had painting once or maybe even twice. I had trouble spot with the paint which needs to be redone."
Anonymous, FL (2003 GMC Sierra 1500 SLE 4.7-L V8)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"One brake line was replaced because of rust."
Anonymous, PA (2003 GMC Sierra 1500)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.
"Has issue with the passenger window going up, then the driver side so took care of both at the same time"
Anonymous, FL (2003 GMC Sierra 1500 SLE 4.7-L V8)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"The guage cluster stopped working completely. It had already lost user of gas and temperture guage but when everything stopped, it caused battery to continue draining with ignition off. Would not start without charging battery. Had to replace entire cluster."
Anonymous, TX (2003 GMC Sierra 1500 SLE 4.7-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.
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.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
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.
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.
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.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
GMC Sierra 1500
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"front air bag sensors need to be replaced"
Anonymous, TN (2003 GMC Sierra 1500 Base 5.3-L V8)