New GMC Sierra 3500HDs for sale in Orangeville, ON

Meet the 2026 GMC Sierra 3500HD Denali featuring a bold black exterior and the power of 4×4 drivetrain. This truck is ready to tackle any terrain with confidence and style.

The GMC Sierra 3500HD Denali is more than just a rugged powerhouse; it boasts a sophisticated black interior that complements its robust exterior. The cabin is outfitted with luxurious leather seats, providing elegance and comfort. With keyless entry and power windows, convenience is just a button away. The running boards not only enhance its athletic presence but also make accessing the crew cab a breeze.

Equipped with cutting-edge technology, this truck ensures you're always in control and entertained. The advanced navigation system and smart device integration keep you on the right track, while the wi-fi hotspot keeps you connected wherever you go. Safety is prioritized with features like lane assist, backup camera, adaptive cruise control, and parking sensors, ensuring peace of mind on every journey.

The 2026 GMC Sierra 3500HD Denali is ideal for those who demand both performance and luxury in a truck. Perfect for adventure seekers or those needing a reliable workhorse, this vehicle checks all the boxes. Contact us today to learn more about how this impressive truck can be yours!

Experience the difference at MacMaster Buick GMC, Dufferin County's Buick and GMC Headquarters and the #1 GM CPO Dealer in Ontario, 5 years in a Row, where the commitment to customer service is second to none. We are proud to be the premier GM dealership in Orangeville, offering a full line of Buick and GMC products in one location. Our experienced and professional team will help you find the perfect vehicle – one that fits both your lifestyle and your budget.

Give us a call today or visit us in beautiful Orangeville, we would love to meet you. And check out our Google reviews – they tell our story of Providing the Best Service and Vehicles to Our Customers and Community!

Introducing the stunning 2026 GMC Sierra 3500HD AT4 in a striking white finish with a rugged 4×4 drivetrain, offering unparalleled handling on any terrain. This truck is designed to conquer both the road and off-road environments with ease.

On the outside, the Sierra 3500HD AT4 boasts high gloss black aluminum wheels and sleek all-terrain tires that hint at its adventuresome spirit. The interior doesn't disappoint either, featuring jet black leather seats accented with Kalahari touches that elevate the cabin's style. The spacious crew cab and standard box configuration ensure ample room for passengers and cargo alike.

Technology takes center stage with the state-of-the-art GMC infotainment system presented on a 13.4" diagonal premium touch-screen. You'll find yourself easily connected with features such as Bluetooth streaming, wireless Apple CarPlay, and Android Auto, making every journey both safe and enjoyable. Elevating the driving experience are advanced systems like lane assist, adaptive cruise control, and a multi-colour 15" diagonal head-up display, which deliver peace of mind through the latest in driver assistance technology.

This powerhouse is perfect for the adventurous driver who seeks both luxury and capability. Whether you’re towing heavy loads or navigating rugged terrains, the Duramax 6.6L Turbo-Diesel V8 engine ensures that you're never short on power. Visit our dealership to take a closer look at this remarkable truck and discover how it can elevate your driving adventures.

Experience the difference at MacMaster Buick GMC, Dufferin County's Buick and GMC Headquarters and the #1 GM CPO Dealer in Ontario, 5 years in a Row, where the commitment to customer service is second to none. We are proud to be the premier GM dealership in Orangeville, offering a full line of Buick and GMC products in one location. Our experienced and professional team will help you find the perfect vehicle – one that fits both your lifestyle and your budget.

Give us a call today or visit us in beautiful Orangeville, we would love to meet you. And check out our Google reviews – they tell our story of Providing the Best Service and Vehicles to Our Customers and Community!

The 2026 GMC Sierra 3500HD Denali 4WD Crew Cab Standard Box stands in an imposing polar white tricoat, coupled with its impressive 4×4 drivetrain. This robust truck offers smooth handling on any terrain, powered by the formidable Duramax 6.6L Turbo-Diesel V8 engine. Its durable, ultra-bright machined 20-inch wheels with bright chrome inserts further enhance its commanding presence.

Step inside to find the ultimate blend of luxury and utility with jet black, forge perforated leather seating surfaces and front bucket seats with a center console. The Denali Preferred Equipment Group ensures state-of-the-art convenience, including a power sunroof, heated and cooled front seats, and heated steering wheel, making every drive a comfortable experience.

For tech enthusiasts, the 2026 Sierra 3500HD Denali comes equipped with a 13.4-inch diagonal premium GMC infotainment system. This includes Google built-in apps like navigation and voice assistance, Bluetooth connectivity, a rear camera mirror, and a 15-inch diagonal multicolor head-up display. Stay connected with the wireless Android Auto and Apple CarPlay compatibility and enjoy smart device integration with a Wi-Fi hotspot.

Additionally, this model emphasizes safety with lane assist, parking sensors, and adaptive cruise control, providing peace of mind for drivers and families alike. It's ideal for those who value power, luxury, and technology in a work-capable truck. Contact our dealership today to experience the power and sophistication of the GMC Sierra 3500HD Denali in person.

Experience the difference at MacMaster Buick GMC, Dufferin County's Buick and GMC Headquarters and the #1 GM CPO Dealer in Ontario, 5 years in a Row, where the commitment to customer service is second to none. We are proud to be the premier GM dealership in Orangeville, offering a full line of Buick and GMC products in one location. Our experienced and professional team will help you find the perfect vehicle – one that fits both your lifestyle and your budget.

Give us a call today or visit us in beautiful Orangeville, we would love to meet you. And check out our Google reviews – they tell our story of Providing the Best Service and Vehicles to Our Customers and Community!

Experience the power and sophistication of the new 2026 GMC Sierra 3500HD SLT, a magnificent black 4×4 truck that commands attention with its robust build and outstanding handling. This truck is designed for those who demand performance without sacrificing style or comfort.

Step inside, and you'll find an elegant black interior featuring luxurious leather seats. It's equipped with all the features you could desire, from heated mirrors and a heated steering wheel to a state-of-the-art navigation system and smart device integration. Enjoy the convenience of keyless entry and remote start, plus the efficiency of power seats and windows.

Stay connected and safe with advanced technology features like a backup camera, lane assist, Bluetooth connection, and a wi-fi hotspot. Drive with confidence knowing this vehicle comes with safety options such as cruise control and a navigation system designed to assist you in any journey.

Perfect for drivers who need both power and advanced features, the Sierra 3500HD SLT is ideal for rugged adventures or comfortable commuting. Don't miss your chance to own this extraordinary vehicle. Contact the dealership today to learn more about this spectacular new truck!

Experience the difference at MacMaster Buick GMC, Dufferin County's Buick and GMC Headquarters and the #1 GM CPO Dealer in Ontario, 5 years in a Row, where the commitment to customer service is second to none. We are proud to be the premier GM dealership in Orangeville, offering a full line of Buick and GMC products in one location. Our experienced and professional team will help you find the perfect vehicle – one that fits both your lifestyle and your budget.

Give us a call today or visit us in beautiful Orangeville, we would love to meet you. And check out our Google reviews – they tell our story of Providing the Best Service and Vehicles to Our Customers and Community!

The 2026 GMC Sierra 3500HD Pro in White is a robust truck designed for those who demand power and capability. With its 4×4 drivetrain, this vehicle delivers outstanding handling and stability, making it perfect for challenging terrains and towing heavy loads.

Externally, the Sierra 3500HD commands attention with its bold stance and durable build, complemented by practical running boards. Step inside and you’ll find a sleek Black interior filled with conveniences that enhance every drive. Enjoy the comfort of air conditioning and the functionality of power windows for a truly relaxing ride.

Stay connected and safe with cutting-edge technology including Bluetooth connection, smart device integration, and a Wi-Fi hotspot. The advanced lane assist and heated mirrors provide added peace of mind, while keyless entry and cruise control make long journeys more enjoyable.

Perfect for those who need a reliable workhorse or desire an upscale truck experience, the 2026 GMC Sierra 3500HD Pro is the vehicle that checks all the boxes. Ready to elevate your driving experience? Contact us today to learn more about this incredible truck.

Experience the difference at MacMaster Buick GMC, Dufferin County's Buick and GMC Headquarters and the #1 GM CPO Dealer in Ontario, 5 years in a Row, where the commitment to customer service is second to none. We are proud to be the premier GM dealership in Orangeville, offering a full line of Buick and GMC products in one location. Our experienced and professional team will help you find the perfect vehicle – one that fits both your lifestyle and your budget.

Give us a call today or visit us in beautiful Orangeville, we would love to meet you. And check out our Google reviews – they tell our story of Providing the Best Service and Vehicles to Our Customers and Community!