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2025 GMC Sierra 3500HD Pro - Specs & Features

Starting MSRP
$51,700

Overview

 Gas Engine
Drive Typefour wheel drive
Total Seating3
Bed length98.2 in.
Payload Capacity6,947 lbs.
Towing Capacity20,000 lbs.
Curb Weight7,015 lbs.
Basic Warranty3 yr./ 36,000 mi.
Country of final assemblyUnited States

Fuel & MPG

Fuel typeRegular unleaded
Range in miles (city/hwy)0/0 mi.
Fuel tank capacity36.0 gal.
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Engine

Base engine size6.6 L
CylindersV8
Base engine typeGas

Towing & Hauling

Max Towing Capacity20,000 lbs.
Max Payload Capacity6,947 lbs.

Drivetrain

Transmission10-speed shiftable automatic
Drive typeFour wheel drive
Part time 4WDStandard

Suspension

Front independent suspensionStandard
Stabilizer bar stabilizer barStandard

Dimensions

Length236.3 in.
Overall width without mirrors96.6 in.
Height80.2 in.

Colors

Exterior Colors
  • Sterling Metallic
  • Downpour Metallic
  • Thunderstorm Gray
  • Summit White
  • Onyx Black
  • Cardinal Red
Interior Colors
  • Jet Black, cloth

Front Seat Dimensions

Front head room43.1 in.
Front leg room44.5 in.
Front shoulder room66.1 in.

Safety

Lane departure warning accident avoidance systemStandard
Pre-collision safety systemStandard
Post-collision safety systemStandard
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In-Car Entertainment

7.0" infotainment display sizeStandard
AM/FM stereoStandard
2 total speakersStandard

Power Feature

2 one-touch power windowsStandard
Power door locksStandard
Heated mirrorsStandard

Comfort & Convenience

Keyless ignitionStandard
Tilt-adjustable steering wheelStandard
Power steeringStandard

Instrumentation

Trip computerStandard
External temperature displayStandard
TachometerStandard

Tires & Wheels

Painted steel wheelsStandard
Partial wheel coversStandard
17 in. wheelsStandard

Telematics

Emergency ServiceStandard
Airbag Deployment NotificationStandard
Stolen Vehicle Tracking/AssistanceStandard

Warranty

Basic3 yr./ 36,000 mi.
Drivetrain5 yr./ 60,000 mi.
Rust6 yr./ 100,000 mi.

Mechanical Options

Gooseneck/5th Wheel Prep Package +$1,090
Duramax 6.6L Turbo-Diesel V8 Engine +$9,990
Diesel Particulate Filter (DPF) Manual Regeneration (Fleet) +$250

Packages

Convenience Package +$700
Snow Plow Prep/Camper Package +$530
GMC Protection Package +$335

Safety & Security Options

1SA Pro Safety Plus Package +$1,320

Interior Options

Universal Vehicle Module +$295
3 Years SiriusXMStandard
120-Volt Instrument Panel Power Outlet +$225

Exterior Options

4" Round Black Tubular Assist Steps +$695
Deep-Tinted Glass +$200
Pickup Bed Delete -$1,155