New 2025 GMC Sierra HD in Thornhill, ON

Comfortably capable

If you need a heavy-duty pickup truck that combines style, performance, luxury, and cutting-edge technology, look no further than the 2025 GMC Sierra HD. This premium heavy-duty truck stands as the ultimate vehicle for drivers across Thornhill, North York, Markham, Richmond Hill, and the Greater Toronto Area who want it all. The GMC Sierra HD delivers style, sophistication, and consummate ease, whether you require immense towing capacity, opulent luxury, or all-terrain versatility.

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Trim levels

It used to be the case that the most powerful and capable pickup trucks were reserved for construction sites or other workplaces. Still, many people now buy heavy-duty trucks for various purposes and applications. The all-new 2024 GMC Sierra HD can be any truck you want or need it to be, with a broad selection of looks and almost limitless configuration options. The front fascia gets a refresh for the 2024 model year, and there’s even more off-road-ready hardware available to help create the ultimate adventure vehicle. The lineup starts with the entry-level Pro model, and from there, the range goes to the SLE, SLT, AT4, Denali, and incredibly opulent Denali Ultimate range-topper.

Performance

New 2025 GMC Sierra HD Heavy-Duty Trucks Engine Performance and Powertrains

Performance is at the heart of the 2025 GMC Sierra HD, and its powertrains are designed to deliver the capability you need in a heavy-duty truck. The standard engine is a 6.6-litre gas-powered V-8, generating 401 horsepower and 464 lb.-ft. of torque, making it more than capable of handling demanding tasks. This engine is mated to a smooth 10-speed automatic transmission, ensuring power is delivered efficiently and precisely. For those who need even more power, the available 6.6-litre Duramax diesel V-8 takes performance to a new level with a staggering 470 horsepower and 975 lb.-ft. of torque. This powertrain is particularly suited to those who require serious towing and hauling capabilities, with the GMC Sierra HD offering a maximum towing capacity of 16,329 kg when equipped with a diesel engine.

For off-road enthusiasts, the AT4X trim is engineered for adventure. It features an enhanced suspension system and a locking rear differential that provide superior performance on challenging terrain. Whether you’re navigating work sites, towing a boat, or exploring off-road trails, the 2025 GMC Sierra HD excels in every situation.

Features and technology

Despite its toughness, the 2025 GMC Sierra HD’s interior is luxurious and technologically advanced. Even the lowest Pro trim has excellent standard features. Most customers will start with the SLE level, which has a 13.4-inch touchscreen infotainment system with wireless Apple CarPlay and Android Auto. The SLT model adds luxury with 10-way power-adjustable heated front seats, a heated steering wheel, and dual-zone automatic temperature control to keep drivers and passengers comfortable in all weather. Advanced trailer visibility and control features make towing safer and easier with the standard ProGrade trailering system. The AT4 and AT4X trims provide tough design and off-road capability, while the Denali and Denali Ultimate trims add luxury to heavy-duty trucks.

The Denali Ultimate redefines vehicle interiors with its luxurious materials and cutting-edge technology. It includes a full-grain leather interior, a 15-inch head-up display, and a rear camera mirror with a larger field of vision. The Kicker MultiPro audio system enhances the in-cabin experience with great sound and customisable settings. For the ultimate in luxury, the Denali Ultimate offers finesse rarely associated with heavy-duty trucks.

New 2025 GMC Sierra HD Heavy-Duty Trucks Interior Comfort Features and Technology

Finance or Lease new 2025 GMC Sierra HD Heavy-Duty Trucks in Thornhill near North York Toronto Ontario

Test drive GMC Sierra HD in Thornhill, ON

There are many circumstances in life where you can’t have it all, but nobody has told the 2025 GMC Sierra HD. With the capability and versatility of a heavy-duty truck and the style, presence, and comfort of a luxury sedan, the Sierra HD could be all the vehicle you ever need. Experience it for yourself with a test drive from Roy Foss Chevrolet Buick GMC Thornhill at 7200 Yonge Street, Thornhill, Ontario, or call us at (905) 886-200 to schedule a convenient appointment.

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Roy Foss Chevrolet Buick GMC Thornhill is located at: 7200 Yonge Street • Thornhill, ON L4J 1V8

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