Paint/Trim
Paint (fading, chalking, cracking, or peeling), loose interior and exterior trim or moldings, rust.
What Owners Say
"Rear fender wells"
Anonymous, BC (2015 GMC Sierra 3500HD SLE 6.6-L V8 diesel)In most cases, automotive warranties are based on the vehicle identification number (VIN), and the warranty will be valid regardless of ownership. The dealership can tell you exactly how much warranty is left.
Read more about extended warrantiesThe Reliability score is based on our latest subscriber survey of 2015 GMC Sierra 3500HD owners. The owner comments describe problems respondents experienced with this vehicle.
Paint (fading, chalking, cracking, or peeling), loose interior and exterior trim or moldings, rust.
"Rear fender wells"
Anonymous, BC (2015 GMC Sierra 3500HD SLE 6.6-L V8 diesel)Driveshaft or axle, CV joint, differential, transfer case, 4WD/AWD components, driveline vibration, traction control, electronic stability control (ESC), electrical failure.
"On a routine visit, the service department noticed the CV joint were failing. Had both sides replaced"
Anonymous, CO (2015 GMC Sierra 3500HD Denali 6.6-L V8 diesel)Squeaks, rattles, wind noises, loose or cracked seals and/or weather-stripping, air and water leaks.
"Squeaks emanating from the dash trim. Induced by the design of the clip interface with the dash. Dealer unable to address"
Anonymous, NV (2015 GMC Sierra 3500HD Denali 6.6-L V8 diesel)Check engine light, sensors (includes O2 or oxygen sensor), emission control devices (includes EGR), engine computer, engine computer, fuel cap, fuel gauge/sender, fuel injection system, fuel pump, fuel leaks, stalling or hesitation.
"Diesel Exhaust Fluid tank heater failed. Covered under warrantee."
George K., TX (2015 GMC Sierra 3500HD Denali 6.6-L V8 diesel)CD or DVD players, radio, speakers, GPS, communication system (e.g., OnStar), display screen freezes or goes blank, phone pairing (e.g. Bluetooth), voice control commands, steering wheel controls, portable music device interface (e.g., iPod/MP3 player), backup or other camera/sensors.
"GPS antenna failed, the system could not locate the vehicle reliably."
Anonymous, TX (2015 GMC Sierra 3500HD Denali 6.6-L V8 diesel)Radiator, cooling fan, antifreeze leaks, water pump, thermostat, overheating.
"The check engine light came on. The dealer diagnosing the problem showed a or both thermostats were stuck open preventing the engine temperature to warm up too slowly. Both thermostats were replaced"
Anonymous, ME (2015 GMC Sierra 3500HD Denali 6.6-L V8 diesel)Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.
Antilock system (ABS), parking brake, master cylinder, calipers, rotors, pulsation or vibration, squeaking, brake failure or wear.
Power or manual windows, locks and latches, tailgate, hatch or trunk, doors or sliding doors, mirrors, seat controls, safety belts, sunroof, convertible top.
Engine rebuild or replacement, cylinder head, head gasket, turbo or supercharger, timing chain or timing belt.
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.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks.
Blower (fan) motor, A/C compressor, condenser, evaporator, heater system, automatic climate control, refrigerant leakage, electrical failure.
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, remote engine start, alarm or security system
Alternator, starter, hybrid battery and related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, distributor or rotor failure, spark plugs and wires failure.
Transmission rebuild or replacement, torque converter, clutch replacement.
Muffler, pipes, catalytic converter, exhaust manifold, leaks.
"paint peeling off rear fender wells"
Anonymous, BC (2015 GMC Sierra 3500HD SLE 6.6-L V8 diesel)