Facebook Pixel
Mon - Thu 9:00am - 8:00pm
Fri 9:00am - 6:00pm
Sat 9:00am - 5:00pm
Sun Closed
Mon - Fri 7:30am - 5:00pm
Sat - Sun Closed
Mon - Fri 8:00am - 5:00pm
Sat - Sun Closed
Mon - Fri 8:00am - 5:00pm
Sat - Sun Closed
Dealership hours of operation
Mon - Thu 9:00am - 8:00pm
Fri 9:00am - 6:00pm
Sat 9:00am - 5:00pm
Sun Closed
Dealership hours of operation
Mon - Fri 7:30am - 5:00pm
Sat - Sun Closed
Dealership hours of operation
Mon - Fri 8:00am - 5:00pm
Sat - Sun Closed
Dealership hours of operation
Mon - Fri 8:00am - 5:00pm
Sat - Sun Closed

New GMC Sierra HD Trucks for Sale in Waterloo, ON

Built for demanding jobs, heavy towing, and serious capability, the GMC Sierra HD lineup is available at Forbes Motors Chevrolet Buick GMC in Waterloo, Ontario.

 

With both the GMC Sierra 2500 HD and Sierra 3500 HD available, drivers can choose the heavy-duty truck that fits their work, towing, and everyday driving needs. From hauling equipment to the job site to towing a trailer across Ontario, Sierra HD trucks combine impressive strength with GMC refinement and technology.

 

The Sierra HD lineup offers powerful engine options, including the 6.6L V8 gas engine and available 6.6L Duramax® Turbo-Diesel V8 paired with an Allison® 10-speed automatic transmission. Depending on configuration and equipment, Sierra HD models deliver impressive torque, payload, and towing capability for commercial, recreational, and personal use.

 

For drivers who regularly tow, available trailering technology helps make hitching, towing, and maneuvering easier. Features such as the available ProGrade™ Trailering System, multiple available camera views, Trailer Sway Control, and Transparent Trailer View can provide greater visibility and confidence while towing.

 

Inside, the GMC Sierra 2500 HD and 3500 HD balance heavy-duty capability with premium comfort and connectivity. Available features include heated and ventilated front seats, leather-appointed seating, a spacious Crew Cab, a large touchscreen infotainment system, Google built-in, Apple CarPlay® and Android Auto™, plus an available Head-Up Display and digital Driver Information Centre.

 

Sierra HD models also offer a range of available driver-assistance and visibility technologies designed to support confidence on busy roads, job sites, and while towing. Available features can include HD Surround Vision, Rear Cross Traffic Alert, Forward Collision Alert, and Automatic Emergency Braking.

 

From work-focused configurations to premium Denali models and the off-road-focused AT4 lineup, the GMC Sierra HD offers a wide selection of trims and equipment. Explore Sierra 2500 HD and Sierra 3500 HD inventory to find the cab, box, powertrain, towing capability, and features that fit your needs.

 

Shop new GMC Sierra HD trucks at Forbes Motors Chevrolet Buick GMC. Browse our Sierra 2500 HD and Sierra 3500 HD inventory online or visit us in Waterloo, ON to find the right heavy-duty GMC truck for your next job or adventure.

 

Frequently Asked Questions

What is the difference between the GMC Sierra 2500 HD and 3500 HD?

Both models are designed for heavy-duty towing and hauling, but the Sierra 3500 HD offers configurations designed for greater maximum payload and towing demands. The right model depends on your trailer weight, payload requirements, preferred configuration, and how you plan to use your truck.

 

Which GMC Sierra HD is best for towing?

Both the Sierra 2500 HD and Sierra 3500 HD offer substantial towing capability when properly equipped. Drivers with heavier trailers or commercial towing requirements may prefer a Sierra 3500 HD configuration, while the Sierra 2500 HD provides strong capability for a wide range of recreational and work-related towing needs.

 

Is the Duramax diesel engine available on both the Sierra 2500 HD and 3500 HD?

Yes. The available 6.6L Duramax® Turbo-Diesel V8 is offered across the Sierra HD lineup and is paired with an Allison® 10-speed automatic transmission. Availability can vary by trim and configuration.

 

What trims are available on the GMC Sierra HD?

The GMC Sierra HD lineup offers a variety of trims designed for different needs, from work-focused models to premium and off-road configurations. Depending on model and availability, shoppers can explore trims such as Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate.

 

Where can I shop for a GMC Sierra 2500 HD or 3500 HD in Waterloo?

You can browse new GMC Sierra 2500 HD and Sierra 3500 HD inventory at Forbes Motors Chevrolet Buick GMC in Waterloo, Ontario. Our team can help you compare configurations, towing requirements, engine options, and available features.

Forbes Motors GM Named CarGurus Top-Rated Dealer for 2026
2025 GM President's Club Canada Winner