2018 GMC Sierra 3500

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2018 GMC Sierra 3500
RENDERED 2026-08-02T11:17:01.890Z

Only 14 complaints on file — too few for a fair verdict.

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.

Only 14 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, GMC Sierra 3500 Bar chart of distinct NHTSA complaints filed per model year, 2018 highlighted. 1996: 1 complaints 1996 1997: 10 complaints 1998: 12 complaints 1999: 19 complaints 2000: 26 complaints 2000 2001: 36 complaints 2002: 20 complaints 2003: 7 complaints 2004: 24 complaints 2004 2005: 24 complaints 2006: 11 complaints 2007: 16 complaints 2008: 24 complaints 2008 2009: 5 complaints 2010: 2 complaints 2011: 20 complaints 2012: 9 complaints 2012 2013: 14 complaints 2014: 7 complaints 2015: 30 complaints 2016: 19 complaints 2016 2017: 13 complaints 2018: 14 complaints 2018 2019: 12 complaints 2020: 51 complaints 2020 2021: 20 complaints 2022: 27 complaints 2023: 26 complaints 2024: 40 complaints 2024 2025: 16 complaints 2026: 1 complaints 2026
2018: 14 complaints
View as data table
YearComplaints
19961
199710
199812
199919
200026
200136
200220
20037
200424
200524
200611
200716
200824
20095
20102
201120
20129
201314
20147
201530
201619
201713
201814
201912
202051
202120
202227
202326
202440
202516
20261

KNOWN PROBLEM AREAS

Only 14 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

SERVICE BRAKES

6 of 14 total reports mention: service brakes.

Show complaint excerpts

Driving on the freeway going approx 70 MPH and the ABS warning light, and Stabilitrak warning light suddenly turned on. I’m sure you can imagine how panicked I was going that fast on the freeway and having my brake warnings suddenly turn on.

NHTSA ODI report, 20251216

STEERING

3 of 14 total reports mention: steering.

Show complaint excerpts

STEERING WHEEL SHAKING FROM 70MPH TO 78 MPH HIGHWAY DRIVING

NHTSA ODI report, 20180301

EXTERIOR LIGHTING

2 of 14 total reports mention: exterior lighting.

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SHAKING OR FLICKERING, HEADLIGHTS WHEN DRIVEN ON ROUGH ROAD SURFACES FLICKER OR SHAKE LIKE BLINKING YOU'RE EYES REAL FAST VERY DISTRACTING FOR MYSELF AND OTHER DRIVERS W.S.P. SAID IT IS A DEFECTIVE EQUIPMENT ISSUE SEND COMPLAINT TO A.G. WA. A.G.

NHTSA ODI report, 20190206

HID HEADLIGHTS ON MY TRUCK FLICKER SIGNIFICANTLY, AND DIM AND BRIGHTEN, WHILE DRIVING VEHICLE ON BUMPY SURFACES. THIS IS BRAND NEW TRUCK WITH 2500 MILES ON IT. I PAID EXTRA FOR THE ALL TERRAIN VERSION.

NHTSA ODI report, 20180326

ELECTRICAL SYSTEM

2 of 14 total reports mention: electrical system.

Show complaint excerpts

The contact owns a 2018 GMC Sierra 3500. The contact stated while driving at various speeds, several unknown warning lights illuminated on the instrument panel. The contact pulled over to the shoulder of the roadway to restart the vehicle.

NHTSA ODI report, 20240729

VISIBILITY

1 of 14 total reports mentions: visibility.

Show complaint excerpts

The contact owns 2018 GMC Sierra 3500.

NHTSA ODI report, 20240214

SAFETY TIMELINE

R 20190730 — fuel system, gasoline

General Motors, LLC (GM) is recalling certain 2016-2018 GMC Sierra 3500 and Chevrolet Silverado 3500 trucks equipped with gasoline engines and dual fuel tanks.

Remedy: GM has notified owners, and dealers will replace the rear-tank fuel-pump module, inspect the front tank and, if necessary, replace the front tank, free of charge. The recall began July 30, 2019. GM's number for this recall is N182204190.

Campaign 19V088000 — check if this car was fixed

R 20191211 — engine

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

R 20210324 — seat belts

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

R 20220404 — equipment

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

R 20230621 — fuel system, diesel

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

R 20241108 — air bags

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 3500 — pre-purchase inspection

  • Test/inspect for service brakes issues (6 reports on file for this year).
  • Test/inspect for steering issues (3 reports on file for this year).
  • Test/inspect for exterior lighting issues (2 reports on file for this year).
  • Verify recall 19V088000 (fuel system, gasoline) has been completed.
  • 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.

FAQ

Is the 2018 GMC Sierra 3500 reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2018 GMC Sierra 3500?

The most-reported component is service brakes, accounting for 43% of complaints on file.

How many recalls does the 2018 GMC Sierra 3500 have?

6 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.