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 that elevate both capability and comfort. Boasting a powerful 6.6L V8 engine, a robust 10-speed automatic transmission, and commanding 4-wheel drive, this Sierra 3500HD is ready to tackle any job or adventure with ease. - Bose Premium 7-Speaker Sound System- 120-Volt Bed Mounted Power Outlet- Adaptive Cruise Control- Off-Road Suspension- Spray-on Pickup Bedliner with GMC Logo- Bed View Camera with Two Trailer Camera Provisions- Ventilated Driver and Front Passenger Seats- Power Sunroof- Wheels: 20 Bright Face with Dark Painted PocketsThe Sierra 3500HD SLT also comes equipped with an impressive array of advanced safety and convenience features, including Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, Wireless Charging, and a Power Sliding Rear Window. Whether you're hauling heavy loads, towing a trailer, or simply enjoying a comfortable commute, this Sierra 3500HD is ready to exceed your expectations.Beyond its impressive capabilities, the Sierra 3500HD SLT also boasts a refined and luxurious interior, with premium leather-appointed seating, heated and ventilated front seats, and a stunning 13.4-inch diagonal information display. The attention to detail and commitment to craftsmanship is evident in every inch of this vehicle.At McKenzie Buick GMC, we understand that finding the right truck is about more than just power and capability—it's about finding a partner that can handle your toughest jobs while providing the comfort and technology you deserve. That's why we're confident you'll be impressed by the 2026 GMC Sierra 3500HD SLT.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.