The 2025 GMC Sierra HD

The new 2025 GMC Sierra HD delivers uncompromising power, precision, and confidence for any job. Whether you choose the Sierra 2500 or the heavy-duty Sierra 3500, every model is built to handle the toughest work with ease.

Under the hood, drivers can choose between two impressive 2025 GMC Sierra HD engine options. The standard 6.6-liter gas V8 generates 401 horsepower and 464 lb-ft of torque, paired with an advanced 10-speed automatic transmission for smooth, responsive power. For those who demand maximum muscle, the available 6.6-liter Duramax® Turbo-Diesel V8 produces 470 horsepower and a staggering 975 lb-ft of torque, ideal for heavy hauling or demanding terrain.

The 2025 GMC Sierra HD towing capacity is equally remarkable. Properly equipped, the Sierra 2500 can tow up to 22,070 pounds, while the Sierra 3500 achieves an incredible 36,000 pounds with a gooseneck configuration. With trailering technologies like ProGrade™ Trailering, an in-vehicle trailering app, and up to 14 camera views, GMC ensures every haul feels effortless and secure.

From the worksite to the open highway, the GMC Sierra HD combines precision engineering with professional-grade strength, redefining what a heavy-duty truck can do.

The 2025 Sierra HD pairs brute strength with cutting-edge engineering. Its ProGrade® Trailering System offers an integrated suite of features designed to simplify towing, from trailer diagnostics and brake settings to maintenance reminders, all accessible through the In-Vehicle Trailering App.

With up to 14 available camera views, including Transparent Trailer View, Hitch View, and Bed View Camera, the Sierra HD helps you stay aware of your surroundings from every angle.

For off-road adventures, the AT4 and AT4X trims bring rugged performance to the lineup. Features like off-road-tuned suspension, skid plates, hill descent control, and Multimatic® DSSV dampers (on AT4X) make this truck ready for uneven terrain and demanding trails.

Meanwhile, smart systems like Tow/Haul Mode, Hill Start Assist, and Trailer Side Blind Zone Alert provide peace of mind when maneuvering large loads. Whether it’s jobsite grit or mountain-grade towing, the Sierra HD is built to conquer it.

Step inside the 2025 GMC Sierra HD, and you’ll find an interior that perfectly balances toughness with luxury. Every surface feels premium, every control is intuitive, and every detail serves a purpose.

Crew Cab models offer excellent front headroom and legroom, creating an airy, commanding environment for both work and comfort. The base Pro trim emphasizes durability with easy-to-clean materials, while the SLT introduces upscale details like leather-appointed seating and premium trim finishes.

In AT4, drivers enjoy Jet Black and Kalahari accents paired with heated and ventilated front seats. Moving up to Denali and Denali Ultimate brings a new level of sophistication, featuring 16-way power front seats with massage, authentic wood trim, and full-grain leather upholstery.

The 2025 Sierra HD commands attention from every angle. With its bold stance, muscular proportions, and signature LED lighting, this truck projects confidence whether it’s parked curbside or pulling a heavy trailer.

Functional design meets precision engineering in features like the available MultiPro™ Tailgate, which offers six different configurations for loading, unloading, and worksite convenience. Pair it with the MultiPro™ Kicker® Audio System, and your tailgate transforms into an outdoor entertainment hub.

Distinct trim-specific styling ensures every Sierra HD stands out. The AT4 adds rugged black detailing and off-road-inspired wheels, while the Denali Ultimate introduces the exclusive Vader Chrome grille, 20-inch machined wheels, and high-end exterior accents.

At the heart of the cabin sits the 13.4-inch GMC Infotainment System with Google Built-in, Apple CarPlay, and Android Auto, providing drivers with seamless access to apps, navigation, and entertainment. The 12.3-inch digital driver display and available 15-inch diagonal multicolor Head-Up Display ensure vital information stays in clear view, while wireless smartphone charging and multiple USB-C ports keep every device powered and connected.

GMC Pro Safety is standard or available depending on trim, with features like Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, Blind Zone Steering Assist, and Rear Cross Traffic Braking.

The Pro trim lays the foundation for the Sierra HD lineup, offering durability, practicality, and dependable performance. It rides on 17-inch steel wheels and features LED headlights, vinyl floor coverings, and your choice of cloth or vinyl upholstery. Inside, the cabin is simple yet functional, with a 7-inch touchscreen infotainment display, a tilt-only steering wheel, and a six-speaker audio system in double and crew cab configurations.

Wireless Apple CarPlay® and Android Auto™ make connectivity easy on the go, while safety systems such as frontal collision mitigation and lane-keeping assistance, standard or available depending on configuration, add reassurance behind the wheel.

Stepping up to the SLE trim adds refinement, technology, and versatility to the Sierra HD’s heavy-duty strength. It replaces the Pro’s steel wheels with 17-inch alloys and introduces LED bed lighting, a trailer hitch receiver, and the innovative MultiPro™ Tailgate with power lock and release.

Inside, the cabin gets a major tech upgrade with a 13.4-inch touchscreen infotainment system, a fully digital instrument cluster, and available heated front seats and a heated steering wheel for added comfort.. The SLE’s thoughtful balance of comfort and capability makes it one of the most versatile trims in the Sierra HD lineup.

The SLT trim transitions the Sierra HD into premium territory, offering an upscale driving experience without compromising on power or purpose. It features 18-inch wheels, heated and power-folding side mirrors, and rain-sensing windshield wipers for added convenience.

Inside, the cabin is elevated with leather upholstery, driver’s seat memory settings, and a power-adjustable front passenger seat, while auto-dimming mirrors and dual-zone climate control enhance comfort. The SLT’s combination of refinement and strength makes it a smart choice for drivers who expect both luxury and long-lasting capability.

Built for adventure, the AT4 brings genuine off-road capability to the Sierra HD lineup. It comes standard with four-wheel drive, hill descent control, and an off-road-tuned suspension featuring twin-tube Rancho® shocks and skid plates.

The cabin offers ventilated front seats, a full center console, and heated rear outboard seats for added comfort, complemented by a seven-speaker Bose® premium audio system.

The Denali trim embodies professional-grade luxury, combining the Sierra HD’s trademark strength with high-end materials and technology. It delivers premium ride tuning and control, with an integrated trailer brake controller, spray-in bedliner, and bed-view camera for extra confidence.

Ventilated front seats and a wireless charging pad come standard, completing a package that perfectly blends toughness and sophistication. The Denali remains a symbol of GMC’s commitment to craftsmanship and capability in perfect harmony.

The AT4X builds on the AT4’s off-road strengths and adds luxury-level comfort and technology. It features Multimatic® DSSV dampers and a factory-installed 1.5-inch suspension lift, plus electronic front and rear locking differentials for enhanced traction and control

Advanced driver-assist systems like adaptive cruise control, front and rear parking sensors, and a virtual rearview mirror camera add a layer of sophistication.

At the top of the range, the Denali Ultimate is the most luxurious and advanced Sierra HD ever built. It stands apart with massive exclusive Ultra-Bright machined aluminum wheels.

A power sunroof adds to its open, commanding feel, while comfort amenities such as heated, ventilated, and massaging seats redefine what it means to drive a heavy-duty truck.

The 2025 GMC Sierra Heavy Duty represents the perfect balance of strength, sophistication, and innovation. With class-leading power, cutting-edge technology, and a cabin crafted for ultimate comfort, it’s the truck that works as hard as you do.

Visit SVG Springfield GMC today to explore the 2025 GMC Sierra HD lineup and discover how GMC continues to redefine what a heavy-duty truck can be. Our team proudly serves drivers across Ohio with exceptional service.

Ready for an upgrade? Sell my car in Springfield, OH, and apply its value toward a certified GMC for sale or a powerful new Sierra 2500. Our finance experts make trading up easy at one of the top car dealerships near me for GMC trucks.

To learn more about the Sierra HD, visit our Sierra HD Research Hub. For a broader look at GMC’s lineup, explore our GMC Research Hub.

How much can the 2025 GMC Sierra HD tow?

When properly equipped, the Sierra 2500 HD can tow up to 22,070 pounds, while the Sierra 3500 HD, with the available 6.6L Duramax® Turbo-Diesel V8 and gooseneck hitch configuration, can tow up to an impressive 36,000 pounds.

Is the 2025 GMC Sierra HD good for off-roading?

Absolutely. The AT4 and AT4X trims are designed for off-road adventure with features like four-wheel drive, off-road-tuned suspension, skid plates, and all-terrain tires. The AT4X takes it even further with Multimatic® DSSV dampers and front and rear electronic locking differentials.

What technology features does the Sierra HD offer?

The 2025 Sierra HD features a 13.4-inch infotainment display, 12.3-inch digital driver display, Google Built-In, Apple CarPlay®, and Android Auto™.

Where can I test drive the 2025 GMC Sierra HD?

You can experience the 2025 Sierra HD firsthand at SVG Springfield GMC. Our team proudly serves drivers across Ohio with expert knowledge, competitive offers, and a full selection of GMC Sierra HD trucks. Visit us today or explore our current inventory online.

Does SVG Springfield GMC Jeep Ram offer financing for the 2025 GMC Sierra HD?

Yes. At SVG Springfield GMC, we offer a range of financing and lease options tailored to fit your budget. Our finance specialists work with trusted lenders to help you secure the best possible rates and terms, whether you’re buying or leasing a new 2025 GMC Sierra HD.

Can I trade in my current vehicle at SVG Springfield GMC?

Absolutely. We make upgrading to a 2025 GMC Sierra HD easy with competitive trade-in appraisals on your current vehicle. Our appraisal process is quick and transparent, and you can apply your trade-in value directly toward your new Sierra HD purchase or lease.