RUGGED, REFINED, OFF-ROAD READY, NONSMOKER, GMC TOUGH! The GMC Sierra 1500 AT4 was engineered for drivers who demand genuine off-road capability without sacrificing the refinement expected from a premium full-size pickup. Combining a factory suspension lift, FOUR-WHEEL DRIVE confidence, premium craftsmanship, and impressive V8 performance, the AT4 strikes a remarkable balance between rugged adventure and everyday comfort. Unlike appearance-focused off-road packages, the Sierra AT4 was developed from the factory to confidently tackle demanding terrain while remaining exceptionally comfortable on pavement. Its combination of purposeful engineering, premium appointments, and intelligent technology allows it to transition seamlessly from the job site to the campsite, from the interstate to the trailhead, and everywhere in between. Buyers frequently compare the Sierra AT4 against the Ram 1500 Rebel, Ford F-150 Tremor, Toyota Tundra TRD Off-Road, Nissan Titan PRO-4X, and Chevrolet Silverado Trail Boss. What consistently distinguishes the GMC is its premium interior, composed ride quality, upscale styling, and the confidence that comes from combining proven truck capability with genuine refinement. Professional reviewers praised the Sierra AT4 for its comfortable ride, quiet cabin, premium interior quality, confident off-road performance, and exceptionally well-balanced driving manners. Critics also highlighted its ability to perform demanding truck duties while delivering the comfort expected from a premium SUV. Awards & Recognition The GMC Sierra continues to earn recognition for combining professional-grade capability with premium refinement and advanced technology. Frequently recognized as one of the most refined full-size pickups in its class. Praised for premium interior quality and impressive ride comfort. Widely recommended for buyers seeking both off-road capability and everyday luxury. Warranty With approximately 68,433 miles, this well-maintained Sierra still has plenty of dependable life ahead. Want additional peace of mind? In most cases, we can provide expanded service contract options for years of additional protection. Installed Options Multiple verified factory indicators confirm this Sierra is equipped with the desirable AT4 Premium Package, significantly enhancing its technology, convenience, safety, and everyday usability. Packages AT4 Premium Package GMC Infotainment System with Integrated Navigation -- Adds factory navigation through the premium touchscreen infotainment system. Wireless Charging -- Conveniently charges compatible smartphones without cables. Front and Rear Park Assist -- Assists with low-speed maneuvering by monitoring obstacles around the truck. 20-Inch Premium Aluminum Wheels -- Enhance both appearance and capability while complementing the AT4's aggressive stance. Black Rectangular Assist Steps -- Provide secure footing while reinforcing the truck's rugged appearance. Standard Features Even before considering the Premium Package, the Sierra AT4 arrives exceptionally well equipped. Purpose-built for both work and adventure, it combines premium appointments with serious off-road hardware to create one of the most capable and refined trucks GMC has ever produced. Standard equipment includes the proven 5.3-liter EcoTec3 V8, FOUR-WHEEL DRIVE, a factory 2-inch suspension lift, Rancho monotube off-road shocks, skid plates, an automatic locking rear differential, Hill Descent Control, Jet Black leather seating with distinctive Kalahari accents, AT4 embroidered front headrests, front bucket seats, a full-length center console, and an extensive collection of advanced safety and convenience technologies. Mechanical Features Powering this Sierra AT4 is GMC's proven 5.3-liter EcoTec3 V8, producing approximately 355 horsepower and 383 lb-ft of torque. Engineered to deliver smooth, dependable performance across an exceptionally broad operating range, this naturally aspirated V8 provides the confident acceleration, towing capability, and long-term durability truck owners continue to appreciate. Whether merging onto the highway, pulling a trailer, or climbing steep grades, the power delivery feels effortless and reassuring. A responsive 10-speed automatic transmission keeps the V8 operating within its ideal power band while delivering smooth, well-timed shifts under virtually every driving condition. Combined with a dependable FOUR-WHEEL DRIVE system, the Sierra inspires confidence on rain-soaked highways, muddy trails, snow-covered roads, and countless other challenging environments without sacrificing everyday refinement. What truly separates the AT4 from a conventional Sierra is its factory-engineered off-road hardware. A 2-inch factory suspension lift, Rancho monotube off-road shock absorbers, automatic locking rear differential, Hill Descent Control, and protective skid plates allow the truck to confidently tackle uneven terrain while maintaining excellent ride quality on pavement. Rather than adding aftermarket capability later, GMC engineered these components to work together from the very beginning. Truck Capability The Sierra AT4 was engineered to excel far beyond everyday commuting. Whether hauling equipment to the job site, launching a boat at the marina, towing a travel trailer for a weekend getaway, or exploring remote back roads, it combines genuine capability with the refinement expected from a premium GMC pickup. Drivetrain The factory FOUR-WHEEL DRIVE system, combined with the automatic locking rear differential, intelligently maximizes available traction when surfaces become loose or uneven. The factory suspension lift, Rancho monotube shocks, skid plates, and off-road drive calibration further enhance confidence when traveling over gravel roads, muddy trails, snow, sand, or rocky terrain while preserving excellent on-road manners. Towing When properly equipped, this configuration is capable of towing up to approximately 9,300 pounds, making it exceptionally well suited for travel trailers, wake boats, enclosed utility trailers, horse trailers, compact equipment trailers, and numerous other recreational or work-related towing applications. Actual towing capacity varies depending upon final configuration, installed equipment, hitch selection, passengers, cargo, and trailer configuration. Payload Properly equipped examples can carry approximately 1,900 to 2,100 pounds of payload, making the Sierra equally comfortable hauling building materials, generators, motorcycles, landscaping supplies, camping equipment, or everyday work gear. Payload capacity varies based upon final configuration and installed equipment. Always verify the certification label located on the driver's door jamb before carrying maximum loads. Cargo Bed The factory 6-foot 6-inch cargo bed measures approximately: 79.4 inches long 71.4 inches wide 50.6 inches between the wheel wells 22.4 inches deep These generous dimensions provide outstanding versatility for transporting plywood, lumber, pallets, construction materials, ATVs, motorcycles, landscaping supplies, and countless other oversized items. Integrated cargo tie-downs, a durable tailgate, and GMC's thoughtful bed design further enhance everyday practicality whether the truck is working hard or supporting weekend adventures. Exterior Features The Sierra AT4 projects strength without unnecessary excess. Bold body lines, muscular wheel arches, a commanding stance, and distinctive AT4 styling cues immediately communicate that this truck was engineered for considerably more than ordinary pavement. Every exterior element contributes to both appearance and capability, creating one of the most handsome and purposeful full-size pickups on the road. The verified AT4 Premium Package enhances that appearance with handsome 20-inch premium aluminum wheels and black rectangular assist steps that provide secure footing while complementing the truck's rugged personality. Red recovery hooks, premium LED lighting, distinctive AT4 badging, and the factory suspension lift further reinforce its off-road identity while maintaining the upscale presentation expected from GMC's premium truck lineup. Whether arriving at a job site, towing a camper into the mountains, or pulling into the driveway after a long day's work, the Sierra AT4 manages to look equally capable and refined -- a balance that has helped define the truck since its introduction. Interior Features Inside, the Sierra AT4 demonstrates just how refined a capable pickup can be. Premium materials, thoughtful ergonomics, and exceptional build quality create an environment that's equally comfortable during long highway drives, demanding workdays, or weekend adventures. GMC successfully blended rugged durability with upscale craftsmanship, resulting in a cabin that feels every bit as premium as it is practical. The distinctive Jet Black leather interior with Kalahari accents immediately identifies the AT4 as something special. Rich leather seating surfaces, bold contrast stitching, and embroidered AT4 front headrests create an unmistakably upscale atmosphere, while the factory front bucket seats and full-length center console provide outstanding comfort, support, and everyday convenience. The spacious Crew Cab offers generous accommodations for both front and rear passengers, making long trips exceptionally comfortable for everyone on board. Numerous storage compartments throughout the cabin, combined with the versatile center console, make it easy to organize tools, electronics, paperwork, recovery equipment, or everyday personal belongings without sacrificing passenger space. Infotainment Features Technology plays a central role in the Sierra AT4's everyday usability, and the verified AT4 Premium Package elevates the experience even further. The GMC Infotainment System with integrated Navigation serves as the centerpiece of the dashboard, providing crisp graphics, intuitive controls, and seamless access to navigation, entertainment, and vehicle settings. Wireless Apple CarPlay and Android Auto allow compatible smartphones to integrate effortlessly with the infotainment system, while Bluetooth hands-free connectivity, multiple USB ports, voice recognition, wireless device charging, and integrated navigation help keep drivers connected wherever work or adventure may lead. The thoughtfully designed interface minimizes unnecessary complexity while keeping frequently used functions close at hand. Whether planning a cross-country road trip, locating the next job site, or simply streaming your favorite music, the system remains intuitive, responsive, and remarkably easy to use. Safety Features GMC engineered the Sierra AT4 to inspire confidence whether navigating busy highways, towing a trailer, or exploring remote back roads. A rigid high-strength steel structure works alongside an extensive collection of advanced driver-assistance technologies to help protect occupants while reducing driver workload throughout every journey. Advanced safety technologies include Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, Following Distance Indicator, Front Pedestrian Braking, HD Rear Vision Camera, and the verified Front and Rear Park Assist system included with the AT4 Premium Package. Together, these technologies continuously monitor surrounding conditions while providing timely alerts and assistance whenever appropriate. Electronic Stability Control, Trailer Sway Control, Hill Descent Control, a comprehensive airbag system, and the confidence of FOUR-WHEEL DRIVE further reinforce the Sierra's reputation as a dependable truck that's equally prepared for demanding work and everyday family travel. ... and there's SO MUCH more! The GMC Sierra 1500 AT4 represents the perfect balance between premium refinement and genuine capability. Combining a proven 5.3-liter EcoTec3 V8, factory-engineered off-road hardware, the verified AT4 Premium Package, impressive towing capability, and a beautifully appointed interior, it delivers an ownership experience that's equally rewarding on the pavement, at the work site, or miles beyond where the pavement ends. It's a truck that was built to work hard, travel confidently, and remain comfortable every mile along the way. Some trucks look ready for adventure ... this one was engineered for it. We will happily evaluate your TRADE-IN and offer EXCELLENT FINANCE OPTIONS as well, so please give us a call at 732-919-0707 (Wall Township) or 856-881-2869 (Sewell) TODAY!