2021 GMC Sierra 1500 AT4: Trail-Ready Capability Meets Diesel Efficiency
Command the job site and off-road trails alike in this factory certified 2021 GMC Sierra 1500 AT4. Finished in striking Cardinal Red, this Crew Cab pickup delivers standard-setting utility and luxury for drivers who demand uncompromising strength. Whether you are hauling equipment across Perkins or navigating tough rural job sites, this four-wheel-drive truck brings serious utility to every journey. You can explore our certified pre-owned vehicles today to see how this premium truck elevates your daily drive.
Off-Road Engineering & Turbo-Diesel Performance
At the heart of this truck is the Duramax 3L I-6 direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 277HP, paired with a smooth-shifting 10-Speed Automatic transmission. Engineered for efficiency and power, it achieves an estimated 16 MPG city and 21 MPG highway. The Four Wheel Drive system is supported by an AutoTrac part and full-time 4WD setup, a 2-Speed Transfer Case, and an Automatic Rear Locking Differential to maintain traction over loose soil, mud, or steep inclines. Factory-built Off-road ride suspension featuring Rancho shock absorbers and underbody skid plates ensures maximum trail protection, while the Engine Block Heater keeps performance dependable in cold morning conditions. For serious towing requirements, this Sierra includes the Trailering Package, ProGrade Trailering System, Hitch Guidance w/Hitch View, an Integrated Trailer Brake Controller, and an Auxiliary External Transmission Oil Cooler.
Advanced Technology & Interior Comfort
Step inside the refined cab featuring Jet Black w/Kalahari Accents interior styling and Perforated Leather-Appointed Front Seat Trim. Comfort takes center stage with 10-Way Power Driver and Passenger Seats, Heated Driver & Front Outboard Passenger Seating, Ventilated Driver & Front Passenger Seats, and a Heated Steering Wheel. Technologically advanced and easy to navigate, the cabin centers around the Premium GMC Infotainment System with an 8 inch primary display touchscreen. Connect effortlessly using wireless Apple CarPlay/Android Auto integration, stream media through the 6-Speaker Audio System Feature, or utilize the 4G LTE Wi-Fi Hotspot Capable network. Driving confidence is enhanced by the HD Rear Vision Camera, 4.2in Diagonal Color Display Driver Info Center, and Keyless Open & Start with Remote Vehicle Starter System. Before taking your test drive, feel free to apply for credit online to simplify your purchase process.
Key Highlights
- Duramax 3L I-6 Turbo-Diesel Engine - Produces 277HP mated to a 10-speed automatic transmission.
- AutoTrac 4WD System - Features a 2-speed transfer case and automatic rear locking differential.
- Off-Road Suspension - Outfitted with heavy-duty Rancho shock absorbers and 2 underbody skid plates.
- ProGrade Trailering System - Includes Hitch Guidance with Hitch View and an integrated trailer brake controller.
- MultiPro Tailgate & Bed Liner - Practical bed utility complete with Spray-On Pickup Bed Liner with AT4 Logo.
- Heated & Ventilated Front Seats - Perforated leather seating with 10-way power adjustability and driver memory.
- 8-Inch GMC Infotainment Touchscreen - Supports Apple CarPlay, Android Auto, and SiriusXM with 360L.
- Red Recovery Hooks - Signature front tow hooks designed for rugged utility and style.
Visit Us at Paul Thigpen Ford of Waynesboro
Experience the premium capability of this 2021 GMC Sierra 1500 AT4 in person at Paul Thigpen Ford of Waynesboro, located at 330 US, Waynesboro, GA 30830. Our friendly sales team is standing by to help you schedule a personal walkaround, tour our full lot, or see what your trade is worth in minutes. If you have any questions about this certified pickup or want to check current availability, please give us a call at (706) 554-2114 or stop by our dealership today. You can also browse our used inventory online anytime to find the ideal vehicle for your garage.
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