Used 2021 GMCSierra 2500 HD AT4

Meet the 2021 GMC Sierra 2500HD AT4, a heavy-duty truck engineered to handle serious work and deliver commanding presence on any terrain.

- Duramax 6.6L V8 Turbodiesel engine with 445 hp and 910 lb-ft of torque
- 10-Speed Automatic transmission with 4WD capability
- AT4 Premium Plus Package with premium features and technology
- Gooseneck/5th Wheel Prep Package for towing versatility
- 20 machined aluminum wheels with high gloss Black accents
- Power sunroof for enhanced comfort and style
- Heated and ventilated front bucket seats with leather trim
- Premium GMC Infotainment System with Navigation
- Multicolor 15 Diagonal Head-Up Display
- Apple CarPlay and Android Auto integration
- Bed View Camera with dual trailer camera provisions
- HD Surround Vision for enhanced awareness
- Integrated Trailer Brake Controller and In-Vehicle Trailering System App
- Trailer Tire Pressure Monitor Sensors

The Sierra 2500HD AT4 combines capability with refinement. Built on a heavy-duty platform, this truck delivers the power you need for demanding tasks while the AT4 Premium Plus Package surrounds you with technology and comfort. The Duramax diesel engine produces substantial torque, making towing and hauling manageable across varying conditions. The 10-speed automatic transmission responds efficiently to your driving demands.

This vehicle comes equipped with comprehensive trailering technology. The gooseneck and 5th wheel prep package, combined with the integrated trailer brake controller and in-vehicle app, gives you precise control and monitoring when you're pulling significant loads. The trailer tire pressure monitor sensors provide real-time awareness of trailer tire conditions during operation.

Inside, the AT4 cabin reflects thoughtful design. Heated and ventilated front seats with leather upholstery create a premium environment, while the power sunroof adds openness to the space. The premium infotainment system with navigation, Apple CarPlay, and Android Auto keeps you connected. The multicolor head-up display delivers essential information directly in your line of sight, and the surround vision system enhances situational awareness.

Safety and visibility are prioritized throughout. The bed view camera with trailer camera provisions, HD rear vision, and surround vision work together to reduce blind spots. Lane departure warning, forward collision alert, automatic emergency braking, and rear cross traffic alert provide active protection. Hill descent control and the 2-speed active transfer case support confident driving in challenging environments.

The exterior reflects the AT4's serious capability. Finished in Cayenne Red Tintcoat, this truck makes a strong statement. AT4 high clearance steps, power running boards, and the spray-on bed liner with AT4 logo underscore its purpose-built design. LED lighting throughout, including roof marker lamps and cargo area lighting, ensures visibility and durability.

This 2021 GMC Sierra 2500HD AT4 stands ready to work hard and provide the capability and comfort you deserve in a modern heavy-duty truck. Contact us today to arrange your test drive.