New 2026

GMC Sierra 2500 HD

at Key Auto Mall Moline Buick & GMC

2026 GMC Sierra 2500 HD

2026 GMC Sierra 2500HD | Born to Lead

The 2026 GMC Sierra 2500HD stands ready to dominate every challenge at Key Auto Mall in Moline. This heavy-duty powerhouse delivers uncompromising capability with seven available trims, giving you the freedom to choose how you want to conquer the roads. Whether you're tackling demanding job sites or conquering rugged terrain, the Sierra 2500HD provides the strength and refinement that drivers throughout Moline deserve.

Performance

Under the hood, the 2026 GMC Sierra 2500HD offers two formidable engine choices. The standard 6.6-liter V8 generates 401 horsepower and 464 pound-feet of torque with direct injection and variable valve timing. For maximum pulling power, the available 6.6-liter Duramax Turbo-Diesel V8 delivers an impressive 470 horsepower and a commanding 975 pound-feet of torque. Both engines pair with a smooth 10-speed automatic transmission, while four-wheel drive capability ensures confident traction in challenging conditions.

EXPLORE SIERRA 1500 TRIMS

From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there's a GMC Sierra 1500 pickup truck ready to help you take on whatever lies ahead.

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

Technology

Advanced technology keeps you connected and confident behind the wheel. The available 13.4-inch diagonal Premium GMC Infotainment System features Google built-in apps, including navigation and voice assistance. Wireless Apple CarPlay® and Android Auto™ compatibility comes standard, while HD Surround Vision provides an overhead view of your surroundings. Hitch Guidance with Hitch View simplifies trailer hookups, and Adaptive Cruise Control maintains comfortable distances during highway driving.

Interior

Step inside the Sierra 2500HD and discover a cabin designed for comfort during long workdays. Multiple body configurations accommodate up to six passengers, with seating options ranging from durable vinyl to luxurious full-grain leather. Higher trims feature heated and ventilated front seats, a heated steering wheel, and available 16-way power-adjustable seats with massage functionality. The innovative MultiPro Tailgate offers six functional load and access features for enhanced versatility.

Exterior

Bold styling announces the Sierra 2500HD's commanding presence. Animated LED projector headlamps with signature daytime running lamps illuminate the road ahead, while available fog lamps enhance visibility in adverse conditions. Multiple wheel options range from 17-inch painted steel to striking 22-inch aluminum designs. Body styles include Regular Cab, Double Cab, and Crew Cab configurations with standard or long bed options.

Schedule a Test Drive

Experience the 2026 GMC Sierra 2500HD firsthand at Key Auto Mall. Visit our team at 3700 16th St, Moline, IL, to explore our inventory and discover which trim level matches your needs. Schedule your test drive today and feel the legendary capability that makes the Sierra 2500HD a leader in its class.







Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, while dealer fees and optional equipment are included in final price.

1Dealer Discount applied to everyone

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