2026 GMC Sierra 1500

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
- 6.2L V8 (EcoTec3) (Includes Dynamic Fuel Management) (Requires (NPP) Dual, Sport-Mode Active Exhaust Enabled) (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of Torque [624 Nm] @ 4100 rpm)
- AT4 CarbonPro Edition
- AT4 Preferred Package
- AT4 Premium Package
- Preferred Equipment Group 4SB
- Technology Package
- Trailering Package

This 2026 GMC Sierra 1500 AT4 delivers exceptional off-road capability and premium interior appointments. The powerful 6.2L V8 EcoTec3 engine provides impressive power and acceleration, while the 10-speed automatic transmission ensures smooth, efficient performance. The AT4 CarbonPro Edition package enhances the Sierra's rugged good looks with distinctive styling cues, including a bold black chrome grille, CarbonPro composite bed, and off-road-focused suspension.

Inside, you'll find a wealth of advanced technology features, including a large 13.4 diagonal color touch screen with premium GMC Infotainment, wireless Apple CarPlay and Android Auto, and a premium Bose 7-speaker sound system. The AT4 Premium Package adds thoughtful creature comforts like heated and ventilated front seats, a heated steering wheel, and a power sliding rear window.

Whether tackling the trails or navigating the daily commute, this Sierra AT4 is ready to take you there in style and comfort. With its impressive capability, premium features, and bold visual presence, this truck is sure to turn heads wherever you go.

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.