2026 GMC Sierra 2500HD
INTERIOR
Premium interiors to make every trip first-class.
16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE
Experience serious comfort in the Sierra Heavy Duty truck's available best-in-class 16-way power front seats with massaging feature.
LUXURIOUS MATERIALS
Sierra HD Denali Ultimate's Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of its namesake's mountain summit.
SPACIOUS CABIN
The Sierra Heavy Duty truck features best-in-class standard Crew Cab front head and leg room.*
TECHNOLOGY
Keep informed and in command.
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.
15" DIAGONAL MULTICOLOR HEAD-UP DISPLAY
The available 15" diagonal Head-Up Display* helps keep important information like speed and alerts in clear view.
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.
SAFETY
Go forth with added confidence.
SIERRA HD PRO SAFETY*
Every GMC Sierra 2500 HD and GMC Sierra 3500 HD truck includes safety and driver assistance technologies that help while driving and trailering.
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam
- Lane Departure Warning
- Automatic Emergency Braking
- Buckle to Drive
CAPABILITY
Serious power. Serious trailering.
DURAMAX 6.6L TURBO-DIESEL V8 ENGINE
The Sierra Heavy Duty truck's available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and 10-speed automatic transmission.
SERIOUS TOWING POWER
The GMC Sierra 2500 HD Crew Cab offers available max towing of up to 21,870 lbs.*
ADVANCED TRAILERING TECH
The 2026 Sierra Heavy Duty truck offers advanced trailering-assistance technologies so you can trailer with confidence.
EXPLORE SIERRA HEAVY DUTY TRIMS
The GMC Sierra Heavy Duty is available in the hardworking Pro, the well-equipped SLT, the off-road ready AT4 and the luxurious Denali Ultimate trims.
PRO
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*
SLE
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
SLT
INCLUDES SLE KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTE
- 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*
AT4
INCLUDES SLT KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- Exclusive Jet Black interior with Kalahari accents, and heated and ventilated perforated front leather seating surfaces
- Exclusive 20" gloss-black aluminum wheels with available BFGoodrich® off-road tires
- Off-Road Suspension Package with twin-tube Rancho shocks and skid plates
- Up to 14 available camera views* with HD Surround Vision*
- Adaptive Cruise Control* with trailering*
KEY AVAILABLE FEATURES*
- 15" diagonal Head-Up Display* with off-road inclinometer
AT4X
INCLUDES AT4 KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- Factory-installed 1.5" suspension lift, Multimatic® DSSV dampers, rear electronic-locking differential, larger steel transfer case skid plate and front aluminum skid plate
- 35" Goodyear® Territory MT tires
- 16-way heated and ventilated power front seats with massage feature
- Obsidian Rush interior featuring full-grain leather seating with technical-grain leather accents and authentic Vanta ash wood
KEY AVAILABLE FEATURES*
- AT4X AEV Edition featuring stamped steel bumpers, steering gear and transfer case skid plates, and 18" Salta gloss-black wheels
- Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission
DENALI
INCLUDES SLT KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- 20" Ultra-Bright machined aluminum wheels with bright chrome inserts*
- Denali-exclusive authentic wood, patterned aluminum trim and Forge perforated leather seating surfaces
- 12-way heated and ventilated power front seats
KEY AVAILABLE FEATURES*
- Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission
- Power sunroof
- Rear Camera Mirror*
DENALI ULTIMATE
INCLUDES DENALI KEY STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission
- Signature Vader Chrome grille and exclusive 20" Ultra-Bright machined aluminum wheels with gloss-black inserts*
- Exclusive Alpine Umber interior featuring full-grain leather seating, authentic Paldao wood and 16-way power front seats with massage feature
- 12-Speaker Bose* Premium Series with Centerpoint* surround sound
- Illuminated power assist steps and MultiPro Tailgate Audio System by KICKER*
KEY AVAILABLE FEATURES*
- Auxiliary trailer camera
Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
1Dealer Discount applied to everyone
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