New GMC Sierra HD at Pacific Chevrolet Buick GMC
Muscle, brain, and comfort, the 2025 GMC Sierra HD has it all. Under its aggressive hood, a 6.6L V8 engine gets the job done, but if you’re looking for more power, check out the available Duramax diesel V8, which cranks things up with 36,000 lbs of towing capability. Inside, the Sierra HD feels more like a first-class ride than a work truck. With a spacious cabin and top-notch features, you’ll actually want to put your hands on the wheel. Continue reading with our team at Pacific Chevrolet Buick GMC as we break down the top highlights of this heavy-duty truck. Trust us, once you see what it can do, you’ll be eager to give it a try for yourself.
Exterior
Signature Lighting
Distinctive LED headlamps and taillights give the 2025 Sierra HD a modern look, day or night. With eye-catching animated lighting sequences, the Sierra Heavy Duty turns heads before it even starts moving.
Multipro Tailgate
The world’s first six-function MultiPro Tailgate on the 2025 GMC Sierra HD is built to make your workday easier. With smart features that improve loading and unloading, it’s one of the most versatile features on the truck.
Interior
Premium Seating
Once you try the premium seating in the 2025 GMC Sierra HD, regular seats just won’t cut it. This truck offers available best-in-class 16-way power front seats that let you fine-tune your comfort down to the smallest detail. And with built-in massaging features, you can settle in and stay relaxed, even on the longest drives.
Spacious Cabin
The 2025 Sierra Heavy Duty offers best-in-class Crew Cab front head and leg room, which gives you and your passengers plenty of space to stretch out. With 1,093 mm (43.03 in) of front headroom and 1,131 mm (44.53 in) of front legroom, even someone 6 feet tall will enjoy the comfort during a long haul.
2025 GMC Sierra HD Image Gallery
Performance
Duramax Engine
The 2025 GMC Sierra HD comes standard with a 6.6L V8 gas engine, which generates 401 horsepower and 464 lb-ft of torque. For select trims, you can upgrade to the powerful Duramax 6.6L Turbo-Diesel V8, paired with an Allison 10-speed automatic transmission. This combo gives you the muscle to pump out an impressive 975 lb-ft of torque and 470 horsepower, allowing you to tow up to 36,000 lbs (16,329 kg).
Advanced Towing Tech
The 2025 GMC Sierra HD offers the most towing assistance features in its class, including ProGrade Trailering Tech, which helps simplify the hitching and towing process with integrated tools. It also features Adaptive Cruise Control, which adjusts for additional drag and increased braking distances when towing a trailer.
Technology
Head-Up Display
The 2025 GMC Sierra HD comes equipped with an available 15-inch diagonal multicolour head-up display that projects important information directly onto your windshield. This allows you to keep your eyes on the road but still be updated on everything from navigation to vehicle status.
Multi Camera Views
With up to 14 available camera views, the 2025 GMC Sierra HD offers a more confident trailering experience. Features like the transparent trailer view allow you to see what’s behind your trailer. Moreover, it’s compatible with almost all kinds of trailers, including traditional, gooseneck, and fifth-wheel.
Safety
Pro Safety Features
Every GMC Sierra Heavy Duty includes a suite of active safety and driver-assistance features that help keep you and your passengers protected while driving and trailering. The Pro Safety features include:
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam
- Lane Departure Warning
- Automatic Emergency Braking
2025 GMC Sierra HD Trim Levels
Pro
Starting at $68,230*- 6.6L V8 Gas Engine
- Apple CarPlay or Android Auto
- Trailer Package
SLE
Starting at $73,230*- 17-inch Aluminum Wheels
- Traction Select System
- 12.3-inch Diagonal Info Centre
SLT
Starting at $88,130*- 10-Way Power Front Seats
- Heated Steering Wheel
- MultiPro Tailgate
AT4
Starting at $99,830*- 14 Available Camera Views
- Heated & Ventilated Front Seats
- 20-Inch Aluminum Wheels
Denali
Starting at $103,830*- 20-Inch Wheels
- 12-Way Heated & Ventilated Seats
- Available Power Sunroof
AT4X
Starting at $116,030*- 35-inch Goodyear Territory MT Tires
- 1.5-Inch Suspension Lift
- 16-Way Heated & Ventilated Front Seats
Denali Ultimate
Starting at $128,930*- Duramax V8 Diesel Engine
- Bose Audio System
- Exclusive Alpine Umber Interior
Shop the 2025 GMC Sierra HD at Pacific Chevrolet Buick GMC
The 2025 GMC Sierra HD does it all if you’re looking for a truck that’s as tough as your workday and as comfortable as your road trip. It’s time to drive one home from Pacific Chevrolet Buick GMC. Contact us to upgrade your current ride or buy your first HD truck, and our team is more than happy to walk you through features, trims, and financing options. View our inventory, book a test drive below, and get behind the wheel of the one that works hard and looks good doing it.