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2018 GMC Sierra 2500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2018 GMC Sierra 2500 do not stand out strongly from the model-year median of 46.

About this comparison →

How this year compares

Owner complaints by model year

Other model years Selected year
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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 14 of 35 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports2 fire reports0 injury reports

What owners actually said

35 reports
Mileage unknown · Nov 2, 2022
Electrical SystemUnknown Or Other

Water leak, known in other years of the same model vehicle, caused the rear defrost to fail and smoke when in operation nearly causing a fire in the vehicle as it was being operated.

NHTSA ODI #11491986

Mileage unknown · Jul 15, 2022
Power Train

2018 GMC SIERRA 2500. CONSUMER WRITES IN REGARD TO TRANSMISSION COOLER LINES RECALL. THE CONSUMER STATED THE VEHICLE BEGAN LEAKING FLUID. THE VEHICLE WAS TAKEN TO THE DEALER TO HAVE THE VEHICLE REPAIRE, WHICH COULD NOT BE DONE THE SAME DAY. THE CONSUMER WAS SEEKING REIMBURSEMENT FOR THE HOTEL EXPENSE, SINCE THE CONSUMER WAS TRA…

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2018 GMC SIERRA 2500. CONSUMER WRITES IN REGARD TO TRANSMISSION COOLER LINES RECALL. THE CONSUMER STATED THE VEHICLE BEGAN LEAKING FLUID. THE VEHICLE WAS TAKEN TO THE DEALER TO HAVE THE VEHICLE REPAIRE, WHICH COULD NOT BE DONE THE SAME DAY. THE CONSUMER WAS SEEKING REIMBURSEMENT FOR THE HOTEL EXPENSE, SINCE THE CONSUMER WAS TRAVELING OUT OF STATE WHEN THE FAILURE OCCURED.

NHTSA ODI #11474048

Mileage unknown · Apr 15, 2022
EngineFuel/propulsion System

Faulty pigtail connector for fule injectors. Cause The vehicle to shut down even while going down the highway possibly causing injury by immediate deceleration wich could cause an accident. For me on this vehicle I’ve had this happen three times and it has cost me anywhere from $800 to 1000 per injector especially if damage is d…

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Faulty pigtail connector for fule injectors. Cause The vehicle to shut down even while going down the highway possibly causing injury by immediate deceleration wich could cause an accident. For me on this vehicle I’ve had this happen three times and it has cost me anywhere from $800 to 1000 per injector especially if damage is done to one of the fuel injectors.

NHTSA ODI #11460968

Mileage unknown · Feb 14, 2022
Engine

2018 GMC SIERRA 2500 HD. CONSUMER WRITES IN REGARDS TO ACCELERATION ISSUES. THE CONSUMER STATED THE VEHICLE DISPLAYED WARNING LIGHTS. AND BEGAN SHAKING. THE VEHICLE BECAME DIFFICULT TO ACCELERATE. THE DEALER INFORMED THE CONSUMER THAT NUMBER 4 INJECTOR WAS THE CAUSE OF THE FAILURE. THE VEHICLE WAS REPAIRED. SHORTLY AFTER, THE…

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2018 GMC SIERRA 2500 HD. CONSUMER WRITES IN REGARDS TO ACCELERATION ISSUES. THE CONSUMER STATED THE VEHICLE DISPLAYED WARNING LIGHTS. AND BEGAN SHAKING. THE VEHICLE BECAME DIFFICULT TO ACCELERATE. THE DEALER INFORMED THE CONSUMER THAT NUMBER 4 INJECTOR WAS THE CAUSE OF THE FAILURE. THE VEHICLE WAS REPAIRED. SHORTLY AFTER, THE GLOW PLUG FAILED AND THE COMPUTER REQUIRED AN UPDATE. THE CONSUMER REQUESTED TO REIMBURSED FOR THE RENTAL VEHICLE AS WELL AS REPAIR COSTS.

NHTSA ODI #11451874

Mileage unknown · Feb 9, 2022
Equipment

The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not yet available. The local dealer was contacted and it was confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a…

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The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not yet available. The local dealer was contacted and it was confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ODI #11451143

Mileage unknown · Dec 8, 2021
Unknown Or Other

Diesel exhaust fluid systems limited to slower speeds causing traffic back up. Issue is these components are failing on these trucks. Mine failed with in 3 yrs of manufacture date.

NHTSA ODI #11443047

Mileage unknown · Nov 12, 2021
Equipment

The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reason…

Read full complaint

The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ODI #11440272

Mileage unknown · Oct 13, 2021
Visibility/wiper

Both the outside mirrors are loose and will fold while driving. At night if I am not aware and it is dark the mirror fails to identify vehicles in the visibility area because they vibrate closed to the door from the driving air on the mirror. I will have to pull over and push the mirror back. I have brought it to the dealer and…

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Both the outside mirrors are loose and will fold while driving. At night if I am not aware and it is dark the mirror fails to identify vehicles in the visibility area because they vibrate closed to the door from the driving air on the mirror. I will have to pull over and push the mirror back. I have brought it to the dealer and they say they all do it. It is normal. The issues has been confirmed by the dealer. It has been present on the car for about 1 year. The internet is filled with this safety complaint. They are starting to fold when you close the door.

NHTSA ODI #11436703

30,600 miles · Oct 4, 2021
Equipment

The contact owns a 2018 GMC Sierra 2500. The contact received a notification for NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was unavailable. The dealer had been notified about the recall; however, the contact was informed that the part was not yet available. The manufacturer had been n…

Read full complaint

The contact owns a 2018 GMC Sierra 2500. The contact received a notification for NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was unavailable. The dealer had been notified about the recall; however, the contact was informed that the part was not yet available. The manufacturer had been notified of the recall. The contact recently stated that the check engine warning light was illuminated. The contact also stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The failure mileage was 30,600. VIN tool confirms parts not available.

NHTSA ODI #11435349

Mileage unknown · Sep 30, 2021
Equipment

The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issu…

Read full complaint

The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and informed the contact that parts were not available. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts are not available.

NHTSA ODI #11434999

Official recalls

5

24V756000 · Air Bags:side/window:curtain:inflator

Oct 10, 2024

General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2018-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 Crew Cab trucks. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

Consequence & remedy

Consequence: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

Remedy: Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed November 8, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC Customer Service at 888-988-7267. GM's number for this recall is N242474500.

23V047000 · Fuel System, Diesel:storage:tank Assembly

Feb 2, 2023

General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. The rear fuel tank may collapse and prevent the fuel pump from transferring fuel to the front tank, resulting in an engine stall.

Consequence & remedy

Consequence: An engine stall increases the risk of a crash.

Remedy: Dealers will inspect the fuel tank and fuel pump module, replacing them as necessary. Dealers will also add a vent hose to the rear tank assembly. Repairs will be performed free of charge. An interim owner notification letter informing owners of the safety risk was mailed on March 15, 2023. Owner notification letters were mailed June 21, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222368030.

21V496000 · Equipment:electrical:engine Block Heater

Jul 1, 2021

General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500 and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6 liter engine and an optional engine-block heater cord. An electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.

Consequence & remedy

Consequence: An electrical short-circuit can increase the risk of a fire.

Remedy: Dealers will replace engine block heaters and heater cords. Vehicles that have this feature disabled as a remedy to the safety condition will be contacted and offered replacement block heaters and heater cords under a separate customer satisfaction program, free of charge. GM will provide free replacement block heaters and cords under a separate customer satisfaction campaign. For vehicles previously included in recall 19V-328, the heater cord will be replaced and rerouted, free of charge. Interim owner notifications were mailed on August 13, 2021. Owner notification letters are expected to be mailed on April 4, 2022. Customers may call GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.

19V328000 · Engine

Apr 25, 2019

General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 vehicles and GMC Sierra 2500 and 3500 vehicles equipped with Duramax 6.6 liter diesel engines and an optional engine-block heater. The engine block heater cord or the terminals that connect the heater cord to the block heater may short circuit and fail.

Consequence & remedy

Consequence: A short-circuit may damage the engine components and increase the risk of fire.

Remedy: GM will contact owners, dealers will replace the engine block heater, free of charge. Additionally, in Chevrolet Silverado 2500 and 3500 vehicles, dealers will install a new rerouted heater cord. The recall began December 11, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number for this recall is N182206310.

17V567000 · Seat Belts:front:retractor

Sep 14, 2017

General Motors (GM) is recalling certain 2017-2018 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 trucks. The front seat belt retractor assemblies were built with the incorrect torsion bar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 209, "Seat Belt Assemblies."

Consequence & remedy

Consequence: The seat belt retractors may not perform as intended during a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace both front seat belt retractor assemblies, free of charge. The recall began March 24, 2021. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's numbers for this recall are 17368, 17375, and 17376.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.