2021 GMC Sierra 1500 AT4 Crew Cab: Premium Off-Road Diesel Performance
Command the road and the job site in this striking 2021 GMC Sierra 1500 AT4 Crew Cab, finished in vibrant Cardinal Red with a refined Jet Black interior featuring Kalahari accents. Built for drivers who demand heavy-duty capability paired with executive comfort, this Four Wheel Drive pickup delivers dependable strength whether you are hauling equipment across rural properties in Perkins or navigating your daily drive. As a factory-certified model, this truck offers verified quality and performance confidence. Explore our complete certified pre-owned inventory or read on to discover what sets this AT4 apart.
Performance & Capability
At the heart of this Sierra 1500 AT4 is the Duramax 3L I-6 direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 277HP, paired seamlessly with a responsive 10-Speed Automatic transmission. Engineered for efficiency and power, this setup achieves an EPA-estimated 16 MPG city and 21 MPG highway. When tackling tough terrain, the AutoTrac part and full-time 4WD system works alongside an Off-Road Suspension equipped with Rancho shock absorbers, underbody skid plates, and an Auto-Locking Rear Differential to deliver maximum traction. For working drivers, towing is streamlined via the ProGrade Trailering System, featuring Hitch Guidance w/Hitch View and an integrated trailer brake controller. The standard pickup box features a durable Spray-On Pickup Bed Liner w/AT4 Logo, a 120-volt bed-mounted power outlet, and the versatile MultiPro Tailgate for effortless loading and access.
Technology & Connectivity
Inside the quiet cab, advanced technology meets high-end craftsmanship. The dash centers around an 8 inch primary display touchscreen running the Premium GMC Infotainment System, offering seamless smartphone connection via Apple CarPlay/Android Auto smart device wireless mirroring and Bluetooth handsfree connectivity. Passengers stay powered up with 6 USB ports, including Rear Dual USB Charging-Only Ports, and connected on the go with 4G LTE Wi-Fi Hotspot Capable internet access. First-row seating features Perforated Leather-Appointed Front Seat Trim with 10-Way Power Driver Seat Adjuster w/Lumbar and 10-Way Power Passenger Seat Adjuster w/Lumbar. Comfort is dialed in year-round with Ventilated driver and front passenger seats, Heated Driver & Front Outboard Passenger Seating, Dual-zone automatic climate control, and a Heated Steering Wheel. You can also check out our wider pre-owned truck selection to compare features across models.
Key Highlights
Here are a few standout equipment features included on this factory-certified truck:
- Duramax 3L I-6 Turbo-Diesel Engine - Produces 277HP and exceptional efficiency paired with a 10-speed automatic transmission.
- Off-Road Suspension & Rancho Shocks - Delivers enhanced ground control with underbody skid plate protection.
- MultiPro Tailgate & Spray-On Bed Liner - Provides flexible bed entry protected by an AT4 logo bed liner.
- AutoTrac Four-Wheel Drive System - Switches between 2WD and 4WD automatically to adapt to changing surface conditions.
- ProGrade Trailering System - Includes Hitch Guidance with Hitch View and an integrated trailer brake controller.
- Ventilated & Heated Leather Front Seats - Keeps driver and passenger comfortable in all seasons.
- GMC Infotainment System with 8-Inch Touchscreen - Integrates Apple CarPlay, Android Auto, and voice commands.
- Keyless Open & Remote Vehicle Starter System - Offers convenience before you even step inside.
Visit Us
Experience the capability of this 2021 GMC Sierra 1500 AT4 in person at Paul Thigpen Ford of Waynesboro. Located at 330 US, Waynesboro, GA 30830, our team is ready to help you explore financing options and complete a hassle-free purchase. Take the next step today when you apply for financing online, or value your trade-in to see what your current vehicle is worth. You can also get directions to our dealership or call us directly at (706) 554-2114 to schedule a personal test drive.
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