2018 GMC Sierra 2500
This year had at least 30% fewer complaints than this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1994 | 1 |
| 1997 | 14 |
| 1998 | 15 |
| 1999 | 36 |
| 2000 | 47 |
| 2001 | 134 |
| 2002 | 134 |
| 2003 | 160 |
| 2004 | 143 |
| 2005 | 115 |
| 2006 | 66 |
| 2007 | 83 |
| 2008 | 63 |
| 2009 | 31 |
| 2010 | 10 |
| 2011 | 63 |
| 2012 | 30 |
| 2013 | 46 |
| 2014 | 30 |
| 2015 | 89 |
| 2016 | 59 |
| 2017 | 37 |
| 2018 | 35 |
| 2019 | 31 |
| 2020 | 73 |
| 2021 | 49 |
| 2022 | 42 |
| 2023 | 28 |
| 2024 | 96 |
| 2025 | 24 |
| 2026 | 6 |
KNOWN PROBLEM AREAS
23% of complaints: engine — 8 distinct reports on file.
20% of complaints: electrical system — 7 distinct reports on file.
FIREShow complaint excerpts
MY 2018 GMC SIERRA HD EXPERIENCED AN ELECTRICAL SHORT OR OVERLOAD, CAUSING A THERMAL EVENT THAT MELTED AREAS AROUND THE REAR DEFROST CIRCUIT. LOTS OF SMOKE AND BURNING SMELL, BUT LUCKILY, I DID NOT SEE FLAMES.
NHTSA ODI report, 20200320
WHILE THE TRUCK WAS UNATTENDED, SMOKE WAS OBSERVED BY A PASSER-BY WHO CALLED THE LOCAL FIRE DEPARTMENT. FIRE DEPT BROKE A WINDOW FOR ACCESS, EXTINGUISHED FIRE. HAULED VEHICLE AWAY FOR SAFEKEEPING.
NHTSA ODI report, 20180813
14% of complaints: fuel/propulsion system — 5 distinct reports on file.
Show complaint excerpts
Constant issues with glow plug failures, fuel rail failure, fuel pressure failure.
NHTSA ODI report, 20231102
MY HUSBAND WAS DRIVING OUR BRAND NEW DENALI WHICH HAS ONLY 3500 MILES ON IT. THE ENGINE COMPLETELY SHUT DOWN CROSSING A HIGHWAY WITH 55 MILES PER HOUR POSTING AND MY DAUGTHER OF 8 YEARS OLD WAS IN THE BACK SEAT.
NHTSA ODI report, 20180717
11% of complaints: exterior lighting — 4 distinct reports on file.
11% of complaints: equipment — 4 distinct reports on file.
SAFETY TIMELINE
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...
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.
Campaign 19V328000 — check if this car was fixed
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.
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.
Campaign 17V567000 — check if this car was fixed
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.
Remedy: Dealers will replace engine block heaters and heater cords.
Campaign 21V496000 — check if this car was fixed
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.
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.
Campaign 23V047000 — check if this car was fixed
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.
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.
Campaign 24V756000 — check if this car was fixed
BUY-SMART CHECKLIST
2018 GMC Sierra 2500 — pre-purchase inspection
- Test/inspect for engine issues (8 reports on file for this year).
- Test/inspect for electrical system issues (7 reports on file for this year).
- Test/inspect for fuel/propulsion system issues (5 reports on file for this year).
- Verify recall 19V328000 (engine) has been completed.
- Verify recall 17V567000 (seat belts) has been completed.
- Verify recall 21V496000 (equipment) has been completed.
- Verify recall 23V047000 (fuel system, diesel) has been completed.
- Verify recall 24V756000 (air bags) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 2018 GMC Sierra 2500 reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 2018 GMC Sierra 2500 is rated "better than typical".
What are the most common problems with the 2018 GMC Sierra 2500?
The most-reported component is engine, accounting for 23% of complaints on file.
How many recalls does the 2018 GMC Sierra 2500 have?
5 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.