2026 GMC Sierra 3500

At McKenzie Buick GMC, we've proudly served Milton, FL and the surrounding communities since 1967. As a family-first dealership, we believe in doing business the right way—with transparent pricing both online and in-store, no surprises, and no games. Come experience the McKenzie Advantage and see why generations of customers say, We Are McKenzie.

- 13.4 DIAG COLOR TOUCH SCREEN GMC PREMIUM INFOTAINMENT
- HD SURROUND VISION
- WIRELESS APPLE CARPLAY AND ANDROID AUTO
- Black Badging Package
- Gooseneck/5th Wheel Prep Package
- Preferred Equipment Group 5SB
- Technology Package
- X31 Off-Road Package
- Bose Premium Series 12-Speaker System
- SiriusXM with 360L Trial Subscription
- Steering Wheel Audio Controls

This 2026 GMC Sierra 3500HD Denali Ultimate is a true powerhouse, built to handle any job or adventure with confidence. Featuring the robust Duramax 6.6L V8 Turbodiesel engine paired with a smooth-shifting 10-speed automatic transmission, this Sierra delivers exceptional capability and performance. With its rugged 4WD system and off-road-tuned suspension, you'll conquer any terrain with ease.

Inside, the Denali Ultimate cabin is a sanctuary of premium comfort and technology. Sink into the heated and ventilated leather seats, surrounded by a wealth of advanced features like the 13.4 color touch screen, wireless Apple CarPlay and Android Auto, and the immersive Bose premium audio system. The HD Surround Vision camera provides a 360-degree view, making maneuvering and trailering a breeze.

From the bold Vader Chrome grille to the sleek LED lighting, the Sierra 3500HD Denali Ultimate makes a striking impression. Distinctive black exterior accents and badging add a touch of refined style, while the spray-on bedliner and ProGrade trailering system ensure you're ready for any hauling or towing task.

Whether you're tackling a worksite, exploring the great outdoors, or simply seeking uncompromising capability and comfort, this 2026 GMC Sierra 3500HD Denali Ultimate is the ultimate choice. Experience the difference at McKenzie Buick GMC, where we're committed to delivering a straightforward, transparent buying experience every step of the way.

Thank you for visiting McKenzie Buick GMC. Proudly serving the Milton community since 1967, we're committed to delivering a straightforward, transparent buying experience every step of the way. Conveniently located near Blackwater Bay at 6500 Caroline Street (Highway 90 at the Highway 89 Bypass), we offer a full selection of competitively priced new and pre-owned cars, trucks, and SUVs. Whether you're shopping, servicing, or ordering parts, our team is here to help with no surprises—just honest, reliable service. Reach out anytime or come experience the McKenzie Advantage for yourself.