2026 GMC Sierra 2500 HD Crew Cab vehicle photo

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Great Deal

2026 GMC Sierra 2500 HD Crew Cab

AT4 Pickup 4D 6 1/2 ft

21,955 miles

Includes:$9,990 in factory upgrades

Why You’ll Love This Sierra 2500

Slotted between the SLT and Denali trims in the Sierra HD lineup, the AT4 brings an off-road focus with a premium feel. It backs that up with an off-road suspension with Rancho shocks for trail composure, the ProGrade Trailering System for confident towing, and HD Surround Vision to simplify tight spots.

Duramax 6.6L Turbo-Diesel V8 Engine

Originally valued at $9,990, this engine provides immense power and torque, specifically engineered for heavy-duty towing and demanding hauling tasks.

Trailering package

Includes essential components for safe and effective towing for heavy loads.

Integrated trailer brake controller

Provides seamless control over trailer brakes, enhancing stability and safety when towing.

13.4-inch diagonal center touchscreen

Presents a large, intuitive interface for navigation, media and vehicle settings.

ProGrade Trailering System

Offers advanced trailering assistance features, simplifying hitching and monitoring for a more confident towing experience.

HD Surround Vision

Provides a comprehensive 360-degree view around the vehicle, assisting with parking and maneuvering in tight spaces.

Adaptive Cruise Control with trailering

Maintains a set following distance from the vehicle ahead, even when towing, to reduce driver fatigue on long journeys.

Heavy-duty diesel power

Delivers immense 470 HP and 975 lb-ft through a Duramax 6.6L Turbo-Diesel V8 engine, 10-speed Automatic Allison transmission, and 4WD, enhanced by a turbocharger and exhaust brake for serious towing and hauling.

AT4 off-road confidence

The AT4 trim prioritizes heavy-duty off-road confidence with premium comfort and trailering technology for demanding tasks.

Off-road suspension with Rancho shocks

Offers enhanced capability and a smoother ride over challenging terrain with effective impact absorption.

Wireless Apple CarPlay and Android Auto

Integrates your smartphone apps and features wirelessly onto the center display for hands-free access to navigation, music and calls.

12.3-inch diagonal digital Driver Information Center

Presents key vehicle data and driver alerts in a customizable, high-resolution digital display directly in your line of sight.

Heated and ventilated front seats

Provides year-round comfort with rapid heating for cold days and cooling ventilation for warmer weather.

Perforated leather seating surfaces

Offers a premium look and feel for interior comfort and style.

Sierra HD Pro Safety

Includes a suite of advanced driver assistance features like Forward Collision Alert, Automatic Emergency Braking and Lane Departure Warning for enhanced safety.

20-inch high gloss black aluminum wheels

A high gloss black finish on these aluminum wheels provides a distinctive visual presence, complementing the vehicle's exterior.

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