
2026 GMC Sierra 1500 AT4 4WD
Summit White | 6.2L EcoTec3 V8 | 420 HP | 460 LB-FT | 10-Speed Automatic | 4WD | Jet Black Leather with Kalahari Accents
RECENT ARRIVAL! 420-HP V8! AT4 OFF-ROAD PACKAGE! FACTORY 2-INCH LIFT! PREMIUM LEATHER! 4WD!
Experience the ultimate combination of powerful V8 performance, rugged off-road capability, and premium GMC luxury in this stunning 2026 GMC Sierra 1500 AT4 4WD, finished in classic Summit White with a distinctive Jet Black Leather interior featuring Kalahari accents.
Built for drivers who demand serious capability without sacrificing comfort, this Sierra AT4 combines aggressive styling, advanced technology, and GMC's Professional Grade engineering.
Under the hood, the impressive 6.2L EcoTec3 V8 produces 420 horsepower and 460 lb-ft of torque, paired with a smooth 10-speed automatic transmission and capable 4WD system.
Whether you're working the ranch, towing a trailer, or exploring West Texas, this Sierra AT4 is ready for the challenge!
Powerful 6.2L V8 Performance
- 6.2L EcoTec3 V8 Engine
- 420 Horsepower / 460 LB-FT of Torque
- 10-Speed Automatic Transmission
- Four-Wheel Drive
- Strong V8 Acceleration & Highway Performance
- Impressive Towing Capability When Properly Equipped
- Versatile Payload & Hauling Performance
- Smooth, Refined Everyday Driving
Factory AT4 Off-Road Capability
- Factory 2-Inch Suspension Lift
- Rancho® Monotube Shocks
- Two-Speed Autotrac Transfer Case
- Automatic Locking Rear Differential
- Hill Descent Control
- Protective Underbody Skid Plates
- Off-Road-Focused Tires
- Signature AT4 Grille & Exterior Styling
- Distinctive AT4 Badging
- Built for Ranch Roads, Trails & Outdoor Adventures
Premium AT4 Luxury & Comfort
- Summit White Exterior
- Jet Black Leather with Kalahari Accents
- Heated & Ventilated Front Seats
- Heated Rear Outboard Seats
- Heated Steering Wheel
- Power-Adjustable Front Seats
- Driver Memory Settings
- Dual-Zone Automatic Climate Control
- Remote Start
- Keyless Open & Start
- Spacious, Comfortable Passenger Cabin
Advanced GMC Technology & Safety
- 13.4-Inch GMC Premium Infotainment Touchscreen
- 12.3-Inch Digital Driver Information Center
- Google Built-In Compatibility
- Wireless Apple CarPlay® & Android Auto
- Bose® Premium Audio
- Wireless Smartphone Charging
- HD Rear Vision Camera
- Automatic Emergency Braking
- Forward Collision Alert
- Front Pedestrian Braking
- Lane Keep Assist with Lane Departure Warning
- Following Distance Indicator
- IntelliBeam® Automatic High Beams
- Advanced Trailering Technology Depending on Equipment
Why This Sierra 1500 AT4 Stands Out
The 2026 GMC Sierra 1500 AT4 4WD delivers an outstanding combination of 420-horsepower V8 performance, genuine off-road capability, and premium GMC refinement.
Its powerful 6.2L EcoTec3 V8 generates 460 lb-ft of torque, providing impressive acceleration and serious pulling power for demanding jobs and recreational towing.
The factory 2-inch suspension lift, Rancho shocks, two-speed transfer case, and locking rear differential provide additional confidence when venturing beyond paved roads.
Inside, the distinctive Jet Black Leather with Kalahari accents creates an upscale atmosphere, complemented by heated and ventilated seating, Bose premium audio, and advanced GMC infotainment technology.
The bold Summit White exterior, aggressive AT4 styling, and premium off-road equipment give this Sierra a commanding presence wherever it goes.
Whether you're commuting between Littlefield and Lubbock, hauling equipment, towing a trailer, or exploring West Texas ranch roads, this Sierra AT4 delivers the strength, comfort, and versatility you demand.
420 Horsepower. Factory AT4 Capability. Professional Grade Luxury.
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