2026 GMC Sierra 3500HD SLT Crew Cab 4WD

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.This 2026 GMC Sierra 3500HD SLT is a true workhorse, packed with premium features to elevate your driving experience. Highlights include:- Sunroof, power- Glacier White Tricoat exterior- Duramax 6.6L V8 Turbodiesel engine with 470 hp and an incredible 975 lb-ft of torque- 10-speed automatic transmission and 4-wheel drive for uncompromising capability- SLT Premium Package, SLT Convenience Package, SLT Preferred Package, Sierra HD Pro Safety Plus Package, and X31 Off-Road and Protection Package- Bose premium sound system, wireless charging, and a host of advanced safety and technology featuresWith its impressive power, rugged design, and premium amenities, this Sierra 3500HD SLT is ready to tackle any job or adventure with confidence. Whether you're hauling heavy payloads, towing a large trailer, or simply seeking a capable and well-appointed daily driver, this truck is up to the task.At McKenzie Buick GMC, we understand that finding the right vehicle is about more than just the numbers on the sticker. That's why we're committed to providing a transparent, hassle-free buying experience that puts your needs first. Our knowledgeable team is here to answer your questions, address your concerns, and help you find the perfect truck for your lifestyle and budget.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.