2021 GMC Sierra 1500 AT4

Vehicle specifications

Features & options

• At4 Preferred Equipment Group
• Audio System, Premium Gmc Infotainment System With 8'' Diagonal Color Touch-Screen, Includes Multi-Touch Display, Am/Fm Stereo
• Emissions, California State Requirements
• Emissions Override, Federal
• Engine, 5.3L Ecotec3 V8
• Engine Block Heater
• Gvwr, 7000 Lbs. (3175 Kg)
• Jet Black With Kalahari Accents, Perforated Leather Front Seat Trim
• Not Equipped With Automatic Stop/Start, See Dealer For Details
• Not Equipped With Hd Radio, See Dealer For Details
• Not Equipped With Heated Second Row Outboard Seats, See Dealer For Details
• Rear Axle, 3.23 Ratio
• Seats, Front Bucket
• Summit White
• Tires, Lt275/65R18c Mt Blackwall Goodyear Wrangler Duratrac
• Tire, Spare 265/70R17sl All-Season, Blackwall
• Transmission, 10-Speed Automatic, Electronically Controlled
• Wheels, 18'' X 8.5'' (45.7 Cm X 21.6 Cm) Machined Aluminum

Dealer notes

2021 GMC Sierra 1500 AT4 – Premium Off-Road Capability and Refined Comfort Designed for drivers who demand rugged capability without sacrificing luxury, this 2021 GMC Sierra 1500 AT4 delivers impressive performance, advanced technology, and premium craftsmanship. Equipped with factory off-road enhancements, distinctive AT4 styling, and aggressive Goodyear Wrangler DuraTrac® all-terrain tires, this Sierra is ready for work, adventure, and everything in between. Performance & Capability Powerful V8 engine delivering strong towing and hauling capability Automatic transmission for smooth, confident performance Four-wheel drive system for enhanced off-road confidence Factory AT4 off-road suspension with lifted ride height Automatic locking rear differential Hill Descent Control Off-road tuned shocks and suspension components Excellent towing and payload capability AT4 Off-Road Features Goodyear Wrangler DuraTrac® all-terrain tires Factory suspension lift Skid plates for underbody protection Red front recovery hooks Off-road drive modes Heavy-duty trail-ready capability Enhanced traction and stability on challenging terrain Exterior Features Bold white exterior finish Distinctive GMC AT4 grille design LED headlights, fog lights, and signature lighting Premium alloy wheels Spray-in bedliner capability MultiPro Tailgate functionality Power-folding heated mirrors Integrated corner steps in rear bumper Durable cargo bed designed for work and recreation Interior Comfort & Convenience Premium leather-appointed seating Heated and ventilated front seats Power-adjustable front seats with memory settings Heated steering wheel Dual-zone automatic climate control Spacious crew cab interior Fold-up rear seating for expanded cargo flexibility Premium materials and AT4-exclusive interior accents Technology & Connectivity GMC Infotainment System with touchscreen display Navigation capability Apple CarPlay® and Android Auto™ compatibility Bluetooth® hands-free calling and audio streaming Premium audio system Wireless charging capability USB ports throughout the cabin Remote start system Wi-Fi hotspot capability Safety & Driver Assistance Rearview camera Front and rear parking sensors Lane Change Alert with Side Blind Zone Alert Rear Cross Traffic Alert Forward Collision Alert Lane Keep Assist Automatic Emergency Braking Electronic Stability Control Tire Pressure Monitoring System (TPMS) Why You'll Love It The 2021 GMC Sierra 1500 AT4 offers the perfect balance of premium luxury, advanced technology, and genuine off-road capability. Whether you're towing a trailer, exploring back roads, or commuting in comfort, the AT4 trim delivers confidence, versatility, and unmistakable GMC styling. With its aggressive stance, upscale interior, and trail-ready equipment, this Sierra is built to perform wherever the road—or lack of road—takes you. As a pre-owned vehicle, it may show normal cosmetic wear consistent with age and mileage.

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