Apple CarPlay/Android Auto smart device mirroring
Forward Collision Alert with Automatic Braking
Front Pedestrian Braking
4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
HD Rear Vision Camera w/Hitch View rear mounted camera
Lane Keep Assist with Lane Departure Warning
Adaptive cruise control
Head-up display
Brake assist system
Cruise control with steering wheel mounted controls
This vehicle doesn't have any factory options or packages listed.
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Apple CarPlay/Android Auto smart device mirroring
Forward Collision Alert with Automatic Braking
Front Pedestrian Braking
4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
HD Rear Vision Camera w/Hitch View rear mounted camera
Lane Keep Assist with Lane Departure Warning
Adaptive cruise control
Head-up display
Brake assist system
Cruise control with steering wheel mounted controls
This vehicle doesn't have any factory options or packages listed.

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Discover the ultimate off-road companion in this 2021 GMC Sierra 1500 AT4. With its impressive capabilities and premium features, this truck is ready to take on any adventure you have in mind.
- Good brakes and tires
- 6.2L V8 EcoTec3 engine with Dynamic Fuel Management
- 20 machined aluminum wheels with carbon grey metallic accents
- Off-Road Performance Package
- Performance Upgrade Package
- Trailering Package
- Steering wheel audio controls
- Electric rear-window defogger
- Power front and rear windows
- Remote vehicle starter system
- Auto-locking rear differential
- Electrical lock control steering column
- 170-amp alternator
- Heavy-duty air filter
- LED cargo area lighting
- ProGrade Trailering System
- Spray-on pickup bed liner with AT4 logo
This Sierra AT4 is equipped to handle the toughest terrain with confidence. The powerful 6.2L V8 engine delivers an exceptional 420 horsepower and 460 lb-ft of torque, providing the muscle you need for hauling, towing, and off-road exploration. The Off-Road Performance Package further enhances the AT4's capabilities with specialized tires, an upgraded suspension, and other off-road-focused enhancements.
Beyond its impressive performance, this Sierra AT4 is also packed with premium features designed to make your driving experience more comfortable and convenient. Enjoy the convenience of keyless entry and start, as well as the comfort of heated and ventilated front seats. The advanced infotainment system with 4G LTE Wi-Fi hotspot capability keeps you connected on the go, while the rear-view camera and trailering technology make towing a breeze.
Whether you're tackling rugged terrain or simply need a capable and well-equipped truck for your daily drives, this 2021 GMC Sierra 1500 AT4 is ready to exceed your expectations. Experience the power, versatility, and refinement that make this truck a true standout in the segment. We invite you to visit our showroom and take this exceptional Sierra AT4 for a test drive. Let us demonstrate how it can transform your driving experience.
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We are not responsible for typographical, pricing, product information or advertising errors. In the event a vehicle is listed at an incorrect price due to typographical, photographic, or technical errors or errors in pricing information received from one of the manufacturers we represent, we shall have the right to refuse or cancel any sell, offer, or order placed for vehicles listed at the incorrect price. Prices are subject to change at the dealers discretion, all prices are plus tax, title, license and Documentation Fees. See Dealer for details. The list of standard equipment and accessories contained on this document reflect equipment which was standard at the time vehicle was manufactured. This vehicle may or may not contain some or most of the equipment and accessories listed as a result of the vehicle identification number equipment compilation provided by a third party source. This VIN equipment compilation is provided as a service by the dealer and a third party source and is in no way intended to serve as a warranty or list of actual equipment contained on the vehicle.
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