The 2025 GMC Sierra Heavy Duty Pickup Truck

Whether you are looking for something hard working or well-equipped, the 2025 GMC Sierra HD has a trim for you. Each trim comes with standard trailering features with the 2025 Sierra 3500 offers an available max towing of 36,000 pounds. This model year features a gas and a diesel engine option.

Trims

PRO – MSRP Starting at $46,300
SLE – MSRP Starting at $50,400
SLT – MSRP Starting at $60,100
AT4 – MSRP Starting at $71,000
Denali – MSRP Starting at $73,900
AT4X – MSRP Starting at $85.195
Denali Ultimate – MSRP Starting at $94,795

Available Engines

6.6L V8 Gas Engine with 401 Hp and 464 Lb.-Ft of Torque
Duramax 6.6L Turbo Diesel V8 Engine with 470 Hp and 975 Lb.-Ft of Torque

Features

Trailer Hitch and Trailering Platform with 2.5” Receiver Hitch and 4-Pin and 7-Pin Connectors
Allison 10-Speed Automatic Transmission
Animated LED Projector Headlamps with LED Turn Signals and Daytime Running Lamps
Integrated Trailer Brake Controller
40/20/40 Split Bench Front Seat with Under-Seat Storage
60/40 Split Folding Rear Bench Seat
Available Rear-Wheel and Four-Wheel Drive
Available GMC MultiPro Tailgate
Available Driver-Selectable E-Locking Rear Differential
Available Heated Driver and Front Outboard Passenger Seats

Technology

7” GMC Infotainment System with Color Touchscreen
Available 13.4 Diagonal GMC Premium Infotainment System with Google Built-In
3.5" Diagonal Monochromatic Driver Information Center
Apple CarPlay and Android Auto
OnStar Services Capable
Wi-Fi Hotspot Capable
Wireless Phone Projection
Available SiriusXM

Convenience

Each trim of both the 2025 Sierra 2500 HD and 2025 Sierra 3500 HD comes standard with Sierra HD Pro Safety driver assist features.

Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
IntelliBeam
Lane Departure Warning
Buckle to Drive
Automatic Emergency Braking

Available Packages

AT4 Preferred Package

Universal Home Remote
Rear Sliding Power Window
LED Roof Marker Lamps

AT4 Premium Plus Package

AT4 Preferred Package
Power Sunroof
Technology Package
AT4 High Clearance Step

AT4X AEV Edition

AEV Branded Floor Liners
AEV Branded Front Head Restraints and Exterior AEV Badge on Tailgate
AEV Stamped-Steel Front and Rear Bumper with Heavy Duty Cast Recovery Points
Gloss Black Door Handles and Black Tailgate Accent
18” AEV Salta Black Gloss Aluminum Wheels
18” Spare Wheel
Stamped Steel Front Approach Skid Plates
Stamped Steel Steering Gear Skid Plate
Stamped Steel Transfer Case Skid Plate

Assist Step and Floor Liner Package

All-Weather Floor Liners
Choice of 6” Chrome Rectangular Tubular Assist Step or 4” Chrome Round Tubular Assist Step

Cargo Convenience Package

Rear Under Seat Storage
Console Mounted Safe

Denali Illumination Package

Illuminated Red Front GMC Emblem
Denali Illuminated Door Sills
GMC Illuminated Puddle Lamp Emblem

Denali Reserve Package

Technology Package
Sunroof

GMC Protection Package

All-Weather Floor Liner
Front and Rear Black Molded Splash Guards

Gooseneck Hitch Package

Gooseneck Ball
Chain Tiedown Kit with Case

Max Trailering Package

3500 HD Frame
3500 HD Leaf Springs
12” Rear Axle
3500 HD Shock Package
Gooseneck/5th Wheel Prep Provisions
Bed Stamped Holes with Caps Installed

PRO Convenience Package

Rear Window Defogger
EZ Lift Power Lock and Release Tailgate
Tinted Glass
LED Cargo Bed Lighting
Outside Power-Adjustable Vertical Trailering with Heated Upper Glass Mirrors (Crew Cab and Double Cab Models)

ProGrade Trailering System

Hitch Guidance with Hitch View
In-Vehicle Trailering App

Pro Safety Plus Package

Front and Rear Park Assist
Rear Cross Traffic Alert
Lane Change Alert with Side Blind Zone Alert
Trailer Mirrors

Remote Start Package

Remote Start
Content Theft Alarm
Rear-Window Defogger

SLE Convenience Package

Dual Climate Control
10-Way Power Driver Seat with Power Lumbar
Manual Tilt/Telescoping Steering Column
LED Roof Marker Lamps
LED Fog Lights

SLE Heat Package

Heated Driver and Passenger Seats
Heated Steering Wheel

SLE Value Package (Only on Crew Cab and Double Cab Models)

SLE Convenience Package
Spray-On Bedliner
SLE Heated Package
Remote Start Package

SLT Convenience Package

Bucket Seats
Center Console
Ventilated Front Seats
USB Ports in Center Console
LED Roof Marker Lamps
Wireless Charging
Bose Premium Audio System with Richbass Woofer

SLT Preferred Package

Adaptive Cruise Control
Power Rear Sliding Window
Universal Home Remote
Heated Rear Outboard Seats

SLT Premium Package

SLT Convenience Package
SLT Preferred Package
Sierra HD Pro Safety Plus Package
6” Chrome Assist Steps
Spray-On Bedliner with GMC Logo

Sierra HD Pro Safety Plus Package

Trailer Side Blind Zone Alert
Rear Cross Traffic Alert
Front and Rear Park Assist
Bed View Camera (Crew Cab and Double Cab Models)
HD Surround Vision (Crew Cab and Double Cab Models)
Trailer Camera Provisions (Crew Cab and Double Cab Models)
Rear Park Assist on SLE Models
In-Vehicle Trailering App on SLE Models
Safety Alert Seat on SLT Models

Snow Plow Prep/Camper Package

Power Feed to Accommodate Backup and Roof Emergency Light
A Single 220-Amp Alternator
Heavy Duty Front Springs
Under Body Skid Plates for Transfer Case Protection

Technology Package

Rear Camera Mirror
Multi-Color 15” Diagonal Heads-Up Display
AT4 Preferred Package on AT4 Models

Texas Edition SLT Premium Package

SLT Convenience Package
SLT Preferred Package
Sierra HD Pro Safety Plus Package
6” Chrome Assist Steps
Spray-On Bedliner with GMC Logo
Texas Edition Badging

X31 Off-Road Package

Off-Road Suspension
Hill Descent Control
Skid Plates
Twin-Turbo Rancho Shocks
X31 Hard Badge

X31 Off-Road and Protection Package

X31 Off-Road Package
Off-Road Suspension with Twin-Tube Rancho Shocks
Hill Descent Control
Skid Plates (Transfer Case and Oil Pan)
Spray-On Bedliners
X31 Badge
18” Machined Aluminum Wheel with Dark Gray Metallic Accents and All-Terrain Blackwall Tires on SLE Models
20” Machined Aluminum Wheel with Bright Silver Accents and All-Terrain Blackwall Tires on SLT Models

Comparable Models