2023 GMC Sierra Heavy Duty in Vermilion, Alberta

New GMC Sierra 2500 & 3500 Pickup Trucks at College Park GM

The GMC Sierra 2500 and 3500 trucks are the workhorses built to conquer every jobsite. The GMC Sierra HD provides unrivaled comfort and capability, making it an excellent choice for any jobsite. This heavy-duty pickup can easily handle the toughest tasks with its impressive max towing capacity of up to 36,000 lbs and best-in-class front head and leg room in its crew cab configuration. Find the Sierra HD available at Vermilion’s College Park GM.


Trailering Mirrors

For added convenience, the Sierra Heavy Duty includes specialized trailer power mirrors. You can easily extend and retract them, and they include turn-signal indicators and clearance lamps, making towing any size trailer simple and safe.

Truck Bed Side Step

Accessing your truck bed has never been easier with the GMC Sierra’s standard side bed step. This step, which is located just in front of the rear wheel arches, works in tandem with the CornerStep rear bumper step to provide seamless entry into the cargo area.

AT4 & Denali

If you’re looking for a powerful and capable heavy-duty pickup, explore the AT4 and Denali models. The AT4 has a bold and rugged appearance, with a signature grille and eye-catching red recovery tow hooks that stand out both on and off the road. The Denali, on the other hand, has a more premium appearance thanks to its signature grille with chrome inserts, chrome recovery hooks, and a Dual-Path Air Induction System under the hood.




Cabin Comfort

The Sierra HD is designed to keep the cabin as comfortable as possible in any weather condition, with available features such as a heated steering wheel, heated and ventilated seats, and an advanced HVAC climate control system. Whether you’re going on a long road trip or just running errands around town, the Sierra HD’s features will make every drive enjoyable.

Intelligent Storage

The Sierra HD has intelligent cargo storage features such as smart storage within the rear seats, smart storage under the rear seats, and a spacious multi-compartment centre console.

Passenger Comfort

Whether you’re travelling alone or with a group, the Sierra HD has enough room for everyone. All occupants can enjoy a comfortable ride in the new Sierra HD, which has best-in-class head and legroom in the front and premium heated rear seats in crew cab models.





Optimized Performance

The GMC Sierra HD maximizes trailering capability and overall performance through the use of the Dual Path Air Induction System, which optimizes airflow and cooling of the powerful 6.8L Duramax Turbo Diesel V8 engine. The Sierra HD is built to withstand the toughest jobs and haul heavy loads over a long, durable lifespan, thanks to a massive 28-inch internal fan and factory-default Diesel After-Run cooldown features.

Traction Select w/ Various Modes

Traction Select allows you to quickly switch between different traction configurations, such as Off-Road mode and Tow/Haul mode, to optimize the truck’s powertrain calibrations and stability control system for any driving situation. It also stays defaulted for up to 4 hours after the truck is turned off, which makes it even more convenient.




Specs Sierra 2500 Sierra 3500
Engine 6.6L V8 Gas Engine / 6.6L Duramax Turbo-Diesel V8 6.6L V8 Gas Engine / 6.6L Duramax Turbo-Diesel V8
Horsepower 401 hp / 445 hp 401 hp / 445 hp
Torque 464 lb-ft / 910 lb-ft 464 lb-ft / 910 lb-ft
Max Towing (Conventional) 8391 kg (18,500 lbs) 9072 kg (20,000 lbs)
Max Towing (5th Wheel) 8396 kg (18,510 lbs) 14515 kg (32,000 lbs)
Max Towing (Gooseneck) 8396 kg  (18,510 lbs) 16,329 (36,000 lbs)
Max Payload 1805 kg (3979lbs) 3376 kg (7442 lbs)

Safety & Technology

Camera Views

The 2023 Sierra HD provides maximum trailering confidence with up to 15 different camera views, including HD Surround Vision, Rear Camera Mirror, and Bed View Camera. You can take on any challenge with every angle covered, whether you’re hauling cargo or towing a trailer.

ProGrade Trailering

The ProGrade trailering System offers 5 trailer profiles that can be programmed into the truck to provide a tailored towing experience for a variety of trailer types, enhancing your towing experience when hauling any trailer. Monitor trailer status, including tire pressure and temperature monitoring, jackknife alert, and other features.

GMC Safety

The advanced safety features in the 2023 Sierra HD will enhance your driving experience and increase your awareness of your surroundings. You can drive with confidence and focus on the road ahead with Lane Departure Warning, Front and Rear Park Assist, in-seat safety alert audio and haptic feedback, and other available features.




2023 Sierra HD Models

2023 GMC Sierra Heavy Duty


Starting at $58,897

● Available max. towing at 16,629 KG (36,000 LB.)
● Best-in-class heavy-duty cargo bed volume
● First heavy duty in its class offering Allison 10-speed Automatic Transmission
● Available ProGrade Trailering System with in-vehicle Trailering App
● Advanced camera views, including industry-first transparent trailer view
● Available World’s First Six-Function MultiPro Tailgate

New Sierra HD Inventory
2023 GMC Sierra Heavy Duty


Starting at $85,147

● Off-road suspension with Rancho shocks and skid plates
● Available multicolour 15″ diagonal Head-Up Display with inclinometer
● Up to 15 available camera views including industry-first transparent trailer view
● AT4-exclusive black chrome exterior accents and durable, athletic interior
● First heavy duty in its class offering Allison 10-Speed Automatic Transmission
● World’s First Six-Function MultiPro Tailgate

New Sierra HD Inventory
2023 GMC Sierra Heavy Duty


Starting at $93,397

● First heavy duty in its class offering Allison 10-Speed Automatic Transmission
● World’s First Six-Function MultiPro Tailgate
● Up to 15 available camera views including industry-first transparent trailer view
● First HD in its class with available multicolour 15″ diagonal Head-Up Display & Rear Camera Mirror
● Signature Denali grille with chrome inserts
● Denali-exclusive authentic open-pore Ash wood, brushed aluminum trim, chrome accents and more

New Sierra HD Inventory

Explore the Heavy Duty Sierra truck lineup right here at College Park GM, your preferred dealership for pickup trucks in rural Alberta. Explore our GM lineup of new and used vehicles, and visit our dealership location for all your Chevrolet, Buick, or GMC service and parts. Contact us today to get started.