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SIERRA HEAVY DUTY PRO, SLE & SLT AT4 & AT4X DENALI & DENALI ULTIMATE COMPARE TRIMS TRADE-IN APPRAISAL INVENTORY BUILD & BUY

2026 GMC SIERRA HEAVY DUTY

PRO, SLE & SLT

HEAVY-DUTY PICKUP TRUCKS

Sierra 2500 HD SLT as shown $69,690*

Front Three-Quarter View of the 2026 GMC Sierra HD Heavy Duty Truck Driving Down a Dirt Road

Powerful capability and authentic materials.

STARTING AT

$46,700*

AVAILABLE TOW UP TO

36,000 LBS.*

KEY FEATURES

AVAILABLE MAX TOWING

UP TO 36,000 LBS.*

OFFERS

BEST-IN-CLASS HD CARGO BED VOLUME*

AVAILABLE

DURAMAX® 6.6L TURBO-DIESEL V8 ENGINE

WITH 975 LB.-FT. OF TORQUE AND 470 HP

AVAILABLE

13.4" DIAGONAL TOUCHSCREEN

AVAILABLE

PROGRADE® TRAILERING SYSTEM*

AVAILABLE

MULTIPRO™ TAILGATE

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EXPLORE GMC SIERRA HD PRO, SLE & SLT TRIMS

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As Shown $53,200*

PRO

STARTING AT

$46,700*

KEY STANDARD FEATURES

  • 6.6L V8 gas engine with 10-speed automatic transmission
  • Trailering Package, Trailering Mirrors and Trailer Brake Controller
  • Best-in-class HD cargo bed volume*
  • Wireless Apple CarPlay®* and wireless Android Auto™* compatibility

KEY AVAILABLE FEATURES*

  • Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission 
  • Adaptive Cruise Control* with trailering*
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As Shown $57,895*

SLE

STARTING AT

$53,500*

INCLUDES PRO KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

  • 13.4" diagonal center touchscreen and 12.3" diagonal digital Driver Information Center
  • Traction Select System with Tow/Haul mode*
  • 17" machined aluminum wheels

KEY AVAILABLE FEATURES*

  • Up to 13 camera views,* including transparent trailer view*
  • MultiPro Tailgate and MultiPro Tailgate Audio System by Kicker®*
  • X31 off-road package with twin-tube Rancho® shocks and skid plates
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As Shown $65,795*

SLT

STARTING AT

$64,700*

INCLUDES SLE KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

  • 10-way power driver and front outboard passenger heated seats with lumbar
  • Heated steering wheel
  • ProGrade® Trailering System* with In-Vehicle Trailering App*
  • 18" machined aluminum wheels with dark grey metallic accents

KEY AVAILABLE FEATURES*

  • 10-way power-adjustable front heated and ventilated bucket seats with perforated leather appointments
  • MultiPro Tailgate and MultiPro Tailgate Audio System by Kicker®*

SIERRA HD PRO, SLE & SLT COLORS

Use the tabs to view available trims, exterior and interior colors, and wheels.

    CAPABILITY

    Strength and intelligence on the road.

    Sierra HD 2500 Denali Ultimate Shown

    The 2026 GMC Sierra HD Heavy Duty Truck Towing a Trailer Down a Mountain Lined Road
    the 2026 GMC Sierra HD Heavy Duty Truck Pulling a Large Piece of Equipment on a Dirt Road

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    SERIOUS TOWING POWER

    Sierra 3500 HD’s available max towing of up to 36,000 lbs.* means you can bring your favorite equipment for work of play.

    Close-up of the Adaptive Cruise Control with Trailering Controls on the Steering Wheel of the GMC Sierra HD Heavy Duty Truck

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    ADAPTIVE CRUISE CONTROL WITH TRAILERING

    Adaptive Cruise Control* with trailering* allows the Sierra Heavy Duty pickup truck’s available Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer.

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    TECHNOLOGY

    Keep informed and in command.

    AT4X Shown

    The Interior View of the Steering Wheel and Dashboard in the 2026 GMC Sierra HD Heavy Duty Truck
    Close-up of the 13.4 Inch Diagonal Premium GMC Infotainment System

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    13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM*

    The color touchscreen with Google built-in* compatibility and voice-activated technology for your phone provides a seamless way to customize your entertainment on SLE and SLT.

    Close-up of the 12.3 Inch Diagonal Color Driver Infotainment Center

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    12.3" DIAGONAL COLOR DRIVER INFORMATION CENTER*

    GMC Sierra HD features a driver-focused display that puts information front, center and easily visible in high-resolution clarity on SLE and SLT.

    Close-up of the 13.4 Inch Diagonal Premium GMC Infotainment System Displaying the Wireless Capability in the 2026 GMC Sierra HD

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    WIRELESS COMPATIBILITY

    Connect your compatible smartphone to access a more integrated in-vehicle experience with Apple CarPlay* or Android Auto* compatibility.

    Close-up of the Bose Premium Sound System in the 2026 GMC Sierra HD Heavy Duty Truck

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    BOSE PREMIUM SOUND SYSTEM

    The available Bose* Premium Sound System supplies seven well-placed speakers, including a Richbass woofer, to produce powerful, high-quality concert-like sound wherever you go.

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    INTERIOR

    Get inside and get comfortable.

    AT4X Shown

    The Interior View of the Steering Wheel and Dashboard in the 2026 GMC Sierra HD Heavy Duty Truck
    Interior View of the Premium Front Seats in the 2026 GMC Sierra HD Heavy Duty Truck

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    PREMIUM FRONT SEATS

    Available 10-way power-adjustable front heated and ventilated bucket seats with perforated leather appointments.

    The Heated Steering Wheel in the 2026 GMC Sierra HD Heavy Duty Truck

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    HEATED STEERING WHEEL

    Keep your hands warm on chilly days in your work truck with an available heated steering wheel.

    Interior View of the Spacious Cabin in the 2026 GMC Sierra HD Heavy Duty Truck

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    SPACIOUS CABIN

    The Sierra Heavy Duty pickup truck features best-in-class Crew Cab front head and leg room.*

    AT4 shown

    Close-up of the Dual-Zone Automatic Climate Control

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    DUAL-ZONE AUTOMATIC CLIMATE CONTROL

    The available system automatically controls the fan speed, air delivery, air conditioning and air recirculation to help heat or cool the cabin to your desired temperature.

    Profile View of the Front and Second Row Seating in the 2026 GMC Sierra HD Heavy Duty Truck

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    PREMIUM REAR-SEAT COMFORT

    Spacious rear leg room on Crew Cab models helps keep the backseat passengers in your pickup truck comfortable.

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    EXTERIOR

    The Sierra Heavy Duty pickup truck looks every inch the premium pulling machine.

    Front Three-Quarter View of the 2026 GMC Sierra HD Heavy Duty Truck Driving Down a Dirt Road
    Front View of the 2026 GMC Sierra HD Heavy Duty Truck and the LED Projector Headlamps

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    LED PROJECTOR HEADLAMPS

    LED projector headlamps feature GMC signature animated lighting sequences.

    View of the Generous Cargo Bed Volume on the 2026 GMC Sierra HD Heavy Duty Truck

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    GENEROUS CARGO BED VOLUME

    The Sierra Heavy Duty pickup truck’s bed height makes for comfortable lift-in loading, is optimized for gooseneck/fifth-wheel trailer clearance and offers best-in-class HD cargo bed volume.*

    Close-up View of the Trailering Mirrors on the Sierra HD Heavy Duty Truck

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    TRAILERING MIRRORS

    Available mirror features such as power-extension, retraction and folding capabilities, auxiliary spot lamps, amber clearance lamps, auto-dimming upper glass and perimeter lighting help improve the view.

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    SAFETY

    Go forth with added confidence.

    AT4 shown.

    The 2026 GMC Sierra HD Heavy Duty Truck Pulling a Trailer Down a Dirt Road Lined with Pine Trees

    Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

    GMC SIERRA 2500 HD SPEC HIGHLIGHTS

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    The Sierra 2500 Heavy Duty pickup truck offers Crew Cab models with a 6' 9" standard bed or an available 8' long bed.

    MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

    21,870 lbs.*

    MAX AVAILABLE CONVENTIONAL TRAILERING

    20,000 lbs.*

    MAX AVAILABLE GCWR

    30,000 lbs.*

    GROUND CLEARANCE

    10.1"

    WHEELBASE

    159.0"–172.0"

    CARGO VOLUME

    69.5–83.5 cu. ft.*

    OVERALL VEHICLE LENGTH

    250.8"–266.8"

    MAX AVAILABLE PAYLOAD

    3,863 lbs.*

    LOREM IPSUM DOLOR

    X,XXX lbs.

    LOREM IPSUM DOLOR

    X,XXX lbs.

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    The Sierra 2500 HD Pro and SLE offer Double Cab models with a 6' 9" standard bed or an available 8' long bed. 

    MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

    18,600 lbs.*

    MAX AVAILABLE CONVENTIONAL TRAILERING

    17,900 lbs.*

    MAX AVAILABLE GCWR

    30,000 lbs.*

    GROUND CLEARANCE

    10.1"–10.2" 

    WHEELBASE

    149.4"–162.5"

    CARGO VOLUME

    69.5–83.5 cu. ft.*

    OVERALL VEHICLE LENGTH

    241.2"–257.2"

    MAX AVAILABLE PAYLOAD

    3,848 lbs.*

    LOREM IPSUM DOLOR

    X,XXX lbs.

    LOREM IPSUM DOLOR

    X,XXX lbs.

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    The Sierra 2500 Heavy Duty pickup truck offers Regular Cab models available on Pro and SLE with an 8' long bed.

    MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

    22,390 lbs.*

    MAX AVAILABLE CONVENTIONAL TRAILERING

    14,500 lbs.*

    MAX AVAILABLE GCWR

    30,000 lbs.*

    GROUND CLEARANCE

    10.2"

    WHEELBASE

    142.0"

    CARGO VOLUME

    83.5 cu. ft.*

    OVERALL VEHICLE LENGTH

    236.3"

    MAX AVAILABLE PAYLOAD

    4,049 lbs.*

    LOREM IPSUM DOLOR

    X,XXX lbs.

    LOREM IPSUM DOLOR

    X,XXX lbs.

    GMC SIERRA 3500 HD SPEC HIGHLIGHTS

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     The Sierra 3500 Heavy Duty pickup truck offers Crew Cab models with either a 6' 9" standard bed or an available 8' long bed. Long bed is available with a Single Rear Wheel or Dual Rear Wheel configuration.

    MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

    31,440 lbs.*

    MAX AVAILABLE CONVENTIONAL TRAILERING

    20,000 lbs.*

    MAX AVAILABLE GCWR

     40,000 lbs.*

    GROUND CLEARANCE

    SRW:

    DRW:

    11.1"–11.2" 

    10.4"

    WHEELBASE

    159.0"–172.0"

    CARGO VOLUME

    69.5–83.5 cu. ft.*

    OVERALL VEHICLE LENGTH

    250.8"–266.8"

    MAX AVAILABLE PAYLOAD

    6,658 lbs.*

    LOREM IPSUM DOLOR

    X,XXX lbs.

    LOREM IPSUM DOLOR

    X,XXX lbs.

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    The Sierra 3500 Heavy Duty pickup truck offers Double Cab models available on Pro and SLE with an 8' long bed Single Rear Wheel or Dual Rear Wheel configuration.

    MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

    31,580 lbs.*

    MAX AVAILABLE CONVENTIONAL TRAILERING

    20,000 lbs.*

    MAX AVAILABLE GCWR

    40,000 lbs.*

    GROUND CLEARANCE

    SRW:

    DRW:

    11.2"

    10.4"

    WHEELBASE

    162.5"

    CARGO VOLUME

    83.5 cu. ft.*

    OVERALL VEHICLE LENGTH

    257.2"

    MAX AVAILABLE PAYLOAD

    6,820 lbs.*

    LOREM IPSUM DOLOR

    X,XXX lbs.

    LOREM IPSUM DOLOR

    X,XXX lbs.

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    The Sierra 3500 Heavy Duty pickup truck offers Regular Cab models available on Pro and SLE with an 8' long bed Single Rear Wheel or Dual Rear Wheel configuration.

    MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

    36,000 lbs./32,000 lbs.*

    MAX AVAILABLE CONVENTIONAL TRAILERING

    20,000 lbs.*

    MAX AVAILABLE GCWR

    43,900 lbs.*

    GROUND CLEARANCE

    SRW:

    DRW:

    11.2"

    10.5"

    WHEELBASE

    141.5" 

    CARGO VOLUME

    83.5 cu. ft.*

    OVERALL VEHICLE LENGTH

    236.3"

    MAX AVAILABLE PAYLOAD

    7,290 lbs.*

    LOREM IPSUM DOLOR

    X,XXX lbs.

    LOREM IPSUM DOLOR

    X,XXX lbs.

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