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This 2021 GMC Sierra 1500 AT4 in black delivers capability and refinement for drivers who demand both performance and comfort. Built on a foundation of off-road readiness, this truck combines premium features with practical utility to handle work and recreation alike.
- EcoTec3 6.2L V8 engine with Dynamic Fuel Management (420 hp, 460 lb-ft of torque)
- 10-Speed Automatic transmission with 4WD
- LT275/65R18C Goodyear Wrangler DuraTrac tires
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM 360L satellite radio with all-access programming
- Off-Road Suspension with Hill Descent Control and Auto-Locking Rear Differential
- Spray-On Pickup Bed Liner with AT4 Logo
- Heated and Ventilated Leather Front Seats with 10-way Power Adjustment
- Heated Steering Wheel
- ProGrade Trailering System with Hitch Guidance and Integrated Trailer Brake Controller
- Remote Vehicle Starter System
- 4G LTE Wi-Fi Hotspot Capable
- HD Rear Vision Camera
- 120-Volt Bed and Instrument Panel Power Outlets
- 18" Machined Aluminum Wheels
The engine's Dynamic Fuel Management technology operates in 17 different patterns, adapting between 2 and 8 cylinders based on demand to optimize both power and efficiency. The 10-speed automatic transmission ensures smooth operation across all driving conditions, while 4WD capability provides confidence on challenging terrain.
Inside, the cabin reflects AT4 sophistication with perforated leather-appointed front seats offering both heating and ventilation. Premium floor liners protect the interior, while power-adjustable seating with lumbar support accommodates long drives. The heated steering wheel and dual-zone automatic temperature control enhance comfort during all seasons.
The truck's trailering capabilities are substantial. The ProGrade Trailering System includes integrated trailer brake control, while the In-Vehicle Trailering App and Hitch Guidance with Hitch View simplify towing tasks. Red recovery hooks and a rear step bumper emphasize the vehicle's utility-focused design.
Off-road features include an off-road suspension tuned for rough terrain, auto-locking rear differential for traction, and hill descent control for controlled descents. The truck bed features a spray-on liner bearing the AT4 logo, protecting your cargo during work or adventure.
This Sierra 1500 AT4 stands ready for your next chapter. We're here to help you get behind the wheel and discover what this truck can accomplish.