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 cutting-edge technology and premium features that elevate both form and function. Key highlights include:- 13.4 DIAG COLOR TOUCH SCREEN GMC PREMIUM INFOTAINMENT- HD SURROUND VISION- WIRELESS APPLE CARPLAY AND ANDROID AUTO- Sierra HD Pro Safety Plus Package- SLT Convenience Package- SLT Preferred Package- SLT Premium Package- X31 Off-Road and Protection Package- X31 Off-Road Package- Bose Premium 7-Speaker Sound System- 120-Volt Bed Mounted Power Outlet- Adaptive Cruise ControlPowered by a robust 6.6L V8 engine and 10-speed automatic transmission, this Sierra 3500HD delivers impressive capability and performance, whether you're towing a heavy load or navigating challenging off-road terrain. The rugged 4WD system and premium off-road suspension ensure you can confidently take on any job or adventure.Inside, the luxurious SLT cabin pampers you with perforated leather-appointed seating, heated and ventilated front seats, a heated steering wheel, and a panoramic power sunroof. Stay connected with wireless charging, multiple USB ports, and seamless smartphone integration. The advanced safety suite, including features like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert, provides added peace of mind.With its bold, muscular styling and uncompromising capability, this 2026 GMC Sierra 3500HD SLT is the ultimate heavy-duty truck for both work and play. Experience the difference for yourself by scheduling a test drive today.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.