Meet the 2026 GMC Sierra Heavy Duty Truck
If you are looking for a reliable and tough work truck,
check out the 2026 GMC Sierra 2500 HD and 2026 GMC Sierra 3500 HD. This heavy
duty truck comes with impressive towing capabilities, a tough frame, and a
variety of available packages to customize it to your needs. Visit Billion Auto
today to test drive the 2026 Sierra HD today.
Trims
- Pro – MSRP Starting at $46,700
- SLE – MSRP Starting at $53,500
- SLT – MSRP Starting at $64,700
- AT4 – MSRP Starting at $71,600
- AT4X – MSRP Starting at $83,700
- Denali – MSRP Starting at $75,000
- Denali Ultimate – MSRP Starting at $93,800
Available Engines
- 6.6L V8 Gas Engine with 401 Horsepower and 464 Lb.-Ft of
Torque
- Duramax 6.6L Turbo Diesel V8 Engine with 470 Horsepower and
975 Lb.-Ft of Torque
Features
- Available Max Towing Capacity of 36,000 Lbs.
- Rear-Wheel and Four-Wheel Drive Models
- 10-Speed Automatic Transmission
- Integrated Trailer Brake Controller
- CornerStep Rear Bumper
- Available GMC MultiPro Tailgate
- 40/20/40 Split-Bench Front Seat with Under Seat Storage
- Available Dual Zone Automatic Climate Control
- Available Heated Driver and Front Outboard Passenger Seat
Technology
Convenience
Each trim of the 2026 Sierra HD come with the Sierra HD Pro
Safety package driver assistance features.
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam
- Lane Departure Warning
- Buckle to Drive
- Automatic Emergency Braking
Available Packages
- 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
- 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 Plate
- Stamped-Steel Steering Gear Skid Plate
- Stamped-Steel Transfer Case Skid Plate
- Black Badging Package
- Front and Rear Black GMC Emblems
- Black Nameplates
- 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
- Heavy Duty Front Spring/Camper Package
- 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)
- 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
- Sierra HD Pro Safety Plus Package
- Trailer 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 (SLE Trim)
- In-Vehicle Trailering App (SLE Trim)
- Safety Alert Seat (SLT Trim)
- SLE Convenience Package
- Dual Climate Control
- 10-Way Power Driver Seat Including 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 Preferred Package
- Universal Home Remote (Crew Cab and Double Cab Only)
- Rear Sliding Power Window (Crew Cab and Double Cab Only)
- Hitch Guidance with Hitch View
- In-Vehicle Trailering App
- Adaptive Cruise Control
- Cargo Bed LED Lighting
- SLE Value Package
- Only Available 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 Sound 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
- Snow Plow Prep/Camper Package
- Power Feed to Accommodate a Backup and Roof Emergency Light
- Single 220-amp Alternator
- Heavy-Duty Front Springs
- Under Body Skid Plates
- Technology Package
- Rear Camera Mirror
- Multi-Color 15” Diagonal Head-Up Display
- AT4 Preferred Package on AT4 Trims
- 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-Tube Rancho Shocks
- X31 Off-Road and Protection Package
- X31 Off-Road Package
- Off-Road Suspension with Twin-Tube Rancho Shocks
- Hill Descent Control
- Transfer Case and Oil Pan Skid Plates
- Spray-On Bedliner
- All-Weather Floor Liners
- X31 Badging
- 18” Machined Aluminum Wheel with Dark Grey Metallic Accents
and All-Terrain Tires (SLE Trim)
- 20” Machined Aluminum Wheels with Bright Silver Accents and
All-Terrain Tires (SLT Trim)
Comparable Models