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Great Deal

2026 GMC Sierra 2500 HD Crew Cab

AT4X Pickup 4D 6 1/2 ft
392 miles
Includes:$1,420 in factory upgrades

Why You’ll Love This Sierra 2500

Slotted above the AT4 and below the Denali and Denali Ultimate in the Sierra 2500 HD lineup, the AT4X delivers serious off-road capability with advanced off-road damping, adventure-ready engineering, a factory suspension lift, and enhanced traction control.

Gooseneck/5th Wheel Prep Package

Originally valued at $545, this package prepares the truck for heavy-duty towing with a gooseneck or 5th wheel hitch installation.

Sterling Metallic paint

Originally valued at $495, the sterling metallic finish adds a distinctive and refined appearance to the exterior.

Dual high-output alternators

Originally valued at $380, these dual alternators provide robust power generation for demanding electrical loads and accessories.

Advanced off-road damping

Multimatic DSSV dampers provide exceptional control and comfort over rough terrain, adapting to various off-road conditions.

Adventure-ready engineering

The AT4X trim is engineered for extreme off-road capability and includes specialized hardware for challenging terrain.

Factory suspension lift

A factory-installed 1.5-inch suspension lift enhances ground clearance for improved capability over obstacles and uneven surfaces.

Enhanced traction control

A rear electronic-locking differential maximizes traction by distributing power evenly to both rear wheels for challenging off-road situations.

Advanced infotainment system

A 13.4-inch diagonal premium GMC Infotainment System with Google Built-In compatibility offers seamless navigation, media access and includes wireless Apple CarPlay and Android Auto.

Capable V8 performance

Delivers robust 401 HP and 464 lb-ft through its 6.6L V8 gas engine, Allison 10L1000 10-speed automatic transmission and 4WD, featuring closer-ratio steps for improved performance.

Adaptive cruise control

This system with trailering automatically adjusts vehicle speed to maintain a set distance from the vehicle ahead during towing.

18-inch machined aluminum wheels

Machined aluminum wheels with high gloss black accents enhance the vehicle's stance and visual appeal.

This content is AI-generated and some details may not be 100% accurate. Refer to the details throughout this page for specific vehicle info.

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