2025 GMC Sierra 1500 Crew Cab

AT4 Pickup 4D 5 3/4 ft

38,285 miles

This vehicle is no longer available

Why You’ll Love This Sierra 1500

Slotted above the SLT and just below the AT4X in the Sierra 1500 lineup, the AT4 brings confident off‑road readiness right from the factory, elevating everyday driving with its off-road suspension system, a two-speed Autotrac transfer case, underbody skid plates, and heated and ventilated front seats for cool comfort on long days.

Technology Package

Originally valued at $1,525, this package adds a Multicolor 15-inch Diagonal Head-Up Display, a Bed View Camera, and a Rear Camera Mirror for enhanced visibility and information projection.

AT4 Premium Package

Originally valued at $1,045, this package provides an Off-Road High Clearance Step for easier access, a Power Sliding Rear Window with Rear Defogger, and a Universal Home Remote for integrated control.

6.2L EcoTec3 V8 engine

Originally valued at $1,500, this option delivers robust power and performance for demanding tasks and confident acceleration.

Power sunroof

Originally valued at $995, this option brings natural light and an open-air feel to the cabin with a simple touch.

Onyx Black paint

Originally valued at $495, this option provides a deep, rich black finish that enhances the vehicle's exterior presence.

Dual active exhaust

Originally valued at $395, this option delivers an enhanced engine sound and a more engaging driving experience.

Powerful V8 performance

Unleashes 420 HP and 460 lb-ft of torque through a 6.2L EcoTec3 V8 engine with Dynamic Fuel Management, paired with a 10-speed automatic transmission and 4WD, providing 9,000 lbs towing capability.

Off-road suspension system

Includes a 2-inch factory lift with off-road suspension and Rancho monotube shocks for enhanced ground clearance and trail performance.

Off-road capability focus

AT4 prioritizes factory off-road hardware and premium comfort for trail-ready capability.

Two-speed Autotrac transfer case

Provides advanced 4WD capability with automatic and manual modes for varying terrain conditions.

Underbody skid plates

Protects critical underbody components from trail hazards and debris.

Heated and ventilated front seats

Provides year-round comfort with warming for cold weather and cooling for warmer days.

GMC infotainment system

Features a large 13.4-inch diagonal display with wireless Apple CarPlay, wireless Android Auto, and Google built-in compatibility for seamless smartphone integration and navigation.

Perforated leather seating

Offers a premium look and feel with perforated leather seating surfaces for enhanced comfort.

Digital driver information center

Presents key vehicle data and customizable displays on a 12.3-inch diagonal screen.

Forward collision alert

Warns the driver of potential front-end collisions with vehicles ahead.

Automatic emergency braking

Applies the brakes automatically to help mitigate or avoid a detected front-end collision.

20-inch machined aluminum wheels

Machined aluminum wheels offer a distinctive appearance and a confident stance for the vehicle.

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