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GMC · Heavy-duty pickup

2025 GMC Sierra 3500HD

Heavy-duty pickup
0 EPA-rated configurations
Data refreshed 2026-09-11
A
Safety Signal
92 / 100 from the NHTSA recall record
RecallsNHTSA campaigns1
Complaintsowner reports to NHTSA16
Crash ratingNHTSA overall
20262025202420232022202120202019201820172016

The 2025 GMC Sierra 3500HD is a heavy-duty pickup; vehicles over 8,500 lb GVWR are not certified for fuel economy by the EPA, so this page is built from NHTSA's recall, complaint and investigation records. NHTSA lists 1 recall campaign for this model year, which gives it a Safety Signal grade of A. Owners have filed 16 complaints, most often about the electrical system.

Specs & fuel economy

Source: EPA fueleconomy.gov

No EPA fuel-economy record: the EPA does not certify vehicles over 8,500 lb GVWR. Recall, complaint and investigation data below come from NHTSA.

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Recalls (1)

Source: NHTSA recall database
high

Fuel System, Gasoline

N262544420
11,807 vehicles
ProblemGeneral Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.RiskAn engine stall increases the risk of a crash.FixThe vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262544420. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 5, 2026.
NHTSA campaign 26V129000reported Mar 5, 2026General Motors, LLC

Owner complaints

Source: NHTSA complaint database
16complaints filed

0 involved a crash · 0 a fire · 0 injuries · 0 deaths reported

Filed per year: 2024: 1 · 2025: 9 · 2026: 6

Most-cited components

Electrical System4
Service Brakes4
Tires2
Forward Collision Avoidance2
Unspecified2
Engine2

What owners describe

“The electronic part of the truck gave a warning and shut off my trailer brake system while towing a 21K 5th wheel trailer (X2). The truck is available for inspection. Any part of the electronics package that has the ability to disable a trailer braking system while towing needs to be removed/disabled immediately. The t…”Apr 19, 2026 · Service Brakes · NHTSA owner report
“The contact owns a 2025 GMC Sierra 3500 used for hauling a 2026 Aluminum Trailer equipped with a DeeMaxx: DBI-7K-MAXX-SS-KIT brake kit. The contact stated that while driving at an undisclosed speed, the brake caliper bracket detached due to insufficient generic quality bolts included in the brake kit. The contact pulle…”Apr 15, 2026 · Equipment · NHTSA owner report
“The contact owns a 2025 GMC Sierra 3500. The contact stated that the transmission was shifting hard and was jerking while shifting gear. Additionally, the vehicle failed to accelerate above 50 MPH. The messages “Reduced Accelerationâ€� and “DEF Lowâ€� were displayed. While refueling the vehicle, the fuel gauge fail…”Apr 1, 2026 · Power Train · NHTSA owner report

Complaint counts are raw owner reports to NHTSA, not verified defects, and scale with how many were sold. Use them to spot patterns, not to rank.

Crash ratings

Source: NHTSA NCAP

NHTSA has not published 5-Star crash ratings for this model year.

Compare the 2025 Sierra 3500HD with

Other Sierra 3500HD model years

Sources & method

Safety Signal starts every model-year at 100 and subtracts points per open NHTSA recall campaign by severity: critical 15 (fire risk, park-outside or do-not-drive advisories), high 8 (brakes, steering, airbags, loss of drive power, structure, battery), moderate 6, minor 3 (software, labels, lighting fixed by an update). Floor 35. A ≥ 90, B ≥ 80, C ≥ 70, D ≥ 60, otherwise F. Complaint counts and NHTSA crash ratings are shown separately and are not blended into the grade.

EPA figures come from fueleconomy.gov vehicle records. Recalls, complaints, investigations and crash ratings come from NHTSA's public flat files, refreshed weekly.

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