Key Features of the 2025 GMC Sierra 2500 HD

Powerful Engine Options

One of the defining attributes of the 2025 GMC Sierra 2500 HD is its outstanding powertrain lineup that matches the demands of any heavy-duty truck owner. Standard across the range is a mammoth 6.6L V8 gas engine mated to a precision-engineered Allison® 10-speed automatic transmission, delivering responsive power, torque, and smooth shifts. For those who require maximum performance, the available Duramax® 6.6L Turbo-Diesel V8 engine paired with the Allison® transmission brings class-leading torque and trailering muscle, ensuring you handle the heaviest hauls with confidence. These robust engine choices are engineered for longevity, offering the reassurance that comes from a brand built on reliability and resilience.

MultiPro™ Tailgate System

The Sierra 2500 HD introduces innovative solutions to everyday challenges with its available world’s first MultiPro™ Tailgate. This six-function tailgate system makes loading, unloading, and accessing the cargo bed more efficient and ergonomic than ever before. Whether you’re working at the jobsite, transporting equipment, or setting up for weekend adventures, the MultiPro™ Tailgate offers multiple configurations—primary gate, load stop solutions, a full-width step for easy bed access, and an integrated work surface. For those who enjoy music, the available MultiPro Audio System by Kicker® adds entertainment right to your tailgate experience, making every work break or tailgate party all the more enjoyable.

ProGrade® Trailering System and Trailering App

Towing technology takes a leap forward in the 2025 Sierra 2500 HD with the available ProGrade® Trailering System and In-Vehicle Trailering App. These smart tools are designed to streamline hitching, towing, and every step in between. You can monitor trailer tire pressure, access trailer lighting diagnostics, create custom trailer profiles, and check pre-departure checklists right from your truck. The available camera system provides up to 13 (and as many as 14 on certain trims) views, including Hitch View, Bed View, and the innovative Transparent Trailer View. This remarkable suite of features gives you clear sightlines and real-time data, resulting in unmatched confidence and safety—whether pulling a gooseneck trailer near Sterling, VA, or navigating crowded city streets.

Premium Interior Comfort and Infotainment

Step inside the Sierra 2500 HD, and you’ll find a cabin meticulously crafted for comfort and convenience, setting a new benchmark among heavy-duty pickups. Crew Cab models boast best-in-class front head and leg room, while amenities like available 16-way power front seats with massage function and heated/ventilated surfaces ensure a personalized driving environment. Connectivity is advanced and intuitive, featuring a standard wireless Apple CarPlay® and Android Auto™ interface, and available 13.4" Premium GMC Infotainment System with Google built-in for seamless integration, navigation, and entertainment. Add in available Bose® Premium sound, dual-zone automatic climate control, and classy material options, and Sierra HD’s interior feels as refined as it is practical—perfect for both workdays and road trips out of Winchester or Fairfax.

Comprehensive Safety and Driver Assistance

Every 2025 Sierra 2500 HD is engineered with safety at the forefront, offering the robust Sierra HD Pro Safety suite. Key standard features include Automatic Emergency Braking, Forward Collision Alert, Lane Departure Warning, Front Pedestrian Braking, IntelliBeam® headlights, Following Distance Indicator, Buckle to Drive, and more. Available enhancements like Adaptive Cruise Control (even while trailering), up to 14 camera views, and advanced parking guidance take stress out of daily driving and complex maneuvers. GMC’s commitment to driver and passenger security is evident throughout, ensuring peace of mind whether you’re towing, commuting, or tackling rugged paths across Virginia.