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Why You’ll Love This Sierra 1500
The AT4 sits above the SLT and below the Denali in the Sierra 1500 lineup, bringing off-road tuned Rancho monotube shock absorbers, an AutoTrac 4WD system for confident traction, and the versatile GMC MultiPro Tailgate for enhanced utility.
AT4 Premium Package
Originally valued at $2,600, this package provides enhanced awareness with Ultrasonic Front and Rear Park Assist and Lane Change Alert with Side Blind Zone Alert, plus a Premium Bose 7-Speaker Sound System and Premium GMC.
Driver Alert Package II
Originally valued at $745, this package boosts confidence with Forward Collision Alert, Lane Keep Assist with Lane Departure Warning, Front Pedestrian Braking, and IntelliBeam Automatic High Beam On/off.
6.2L EcoTec3 V8 Engine
Originally valued at $2,495, this engine delivers robust power and responsive acceleration for demanding tasks and confident highway cruising.
Power Sunroof
Originally valued at $995, a power sunroof opens the cabin to natural light and fresh air, creating a more open and engaging driving environment.
20-inch machined aluminum wheels
Originally valued at $895, these 20-inch machined aluminum wheels provide a distinctive visual upgrade, enhancing the vehicle's overall stance and appeal.
GMC MultiPro tailgate
Offers six versatile functions, including a standing workstation and a load stop, greatly enhancing cargo management and utility.
Multicolor head-up display
Projects key driving information and an Off-Road Inclinometer directly onto the windshield, keeping vital data within your line of sight.
High definition surround vision
Provides a comprehensive, high-definition view around the vehicle, assisting with parking and low-speed maneuvers.
Powerful V8 performance
Unleashes 420 HP and 460 lb-ft through a 6.2L V8 engine with Dynamic Fuel Management, paired with an all-new 10-speed automatic transmission and 4WD for robust performance.
AutoTrac 4WD system
Delivers confident traction across diverse terrains with a 2-speed AutoTrac transfer case, including low-range gearing for challenging conditions.
Premium leather interior
Features Jet Black leather appointments with distinctive Kalahari accents for a sophisticated and rugged cabin aesthetic.
Premium infotainment with navigation
Offers an intuitive interface with built-in navigation, providing seamless connectivity and guidance for all your journeys.
Rear camera mirror
Transforms the rearview mirror into a wide, unobstructed display from a rear-mounted camera, enhancing visibility.
20-inch machined aluminum wheels
Enhance the vehicle's aggressive stance with stylish 20-inch machined aluminum wheels featuring carbon gray metallic accents.
Off-road focused design
The AT4 trim is engineered for rugged off-road capability and blends premium features with adventure-ready performance.
Automatic locking rear differential
Enhances traction by automatically locking the rear wheels when slip is detected, providing improved grip in challenging off-road situations.
Heated power front seats
Provides personalized comfort with 10-way power adjustments and heating functionality for both front occupants.
Rancho monotube shock absorbers
These specialized monotube shock absorbers provide enhanced ride control and durability for off-road performance.
Safety alert seat
Vibrates the driver's seat cushion to alert you to potential hazards, providing a tactile warning for enhanced safety.
Lane keep assist with lane departure warning
Helps keep the vehicle centered in its lane and provides alerts if unintentional lane departure is detected.
Low speed forward automatic braking
Automatically applies the brakes at low speeds to help mitigate or avoid frontal collisions with detected vehicles.
Heated steering wheel
Warms the steering wheel for added comfort in colder weather.
Hill descent control
Manages vehicle speed on steep declines to allow the driver to focus on steering.
This content is AI-generated and some details may not be 100% accurate. Refer to the details throughout this page for specific vehicle info.