2021 GMC Sierra 1500

===== Used 2021 GMC Sierra 1500 AT4 for Sale at Stuckey GMC in Altoona PA =====Elevate your off-road adventures and professional utility with this *Used 2021 GMC Sierra 1500 AT4*, now available at *Stuckey GMC*. Located at *808 Logan Blvd, Altoona, PA 16602*, our dealership is the premier destination for high-quality pre-owned trucks serving *Blair County*, *Centre County*, and *Allegheny County*. Designed for those who demand premium refinement alongside rugged capability, the 2021 Sierra AT4 is built to dominate the varied landscapes of *State College*, *Johnstown*, and *Harrisburg*.==== Off-Road Capability and Precision Performance ====The 2021 GMC Sierra 1500 AT4 is engineered for the dirt, mud, and snow of *Pennsylvania*. This truck features a *2-inch factory-installed suspension lift* for elevated ground clearance, making it a top choice for drivers in *Huntingdon* and *Ebensburg*.Performance and mechanical highlights include: * *Engine Options:* This vehicle typically features the powerful *6.2L EcoTec3 V8* delivering *420 horsepower* or the efficient *3.0L Duramax Turbo-Diesel* with *460 lb-ft of torque*, both paired with a smooth *10-speed automatic transmission*. * *4WD with 2-Speed Autotrac Transfer Case:* Includes specialized *Off-Road Mode* for optimized traction on unpaved surfaces in *Bedford County* and *Clearfield County*. * *Rancho Monotube Shocks and Skid Plates:* Specifically tuned to absorb the impact of rough terrain while protecting vital underbody components. * *Red Vertical Recovery Hooks:* A signature AT4 feature providing both bold style and functional utility for *Tyrone* and *Greensburg* drivers.==== Innovative Utility and the MultiPro Tailgate ====The 2021 Sierra 1500 AT4 is famous for the *World's First Six-Function GMC MultiPro Tailgate*. This revolutionary design provides six unique functions to improve loading, unloading, and accessing the bed, turning your truck into a mobile workstation for jobs in *Johnstown* or tailgates in *Pittsburgh*. * *Durabed Utility:* Features high-strength steel, 12 fixed cargo tie-downs, and available LED cargo area lighting. * *ProGrade Trailering System:* Includes an in-vehicle trailering app with hitch guidance and a hitch view, essential for hauling trailers across *Westmoreland County* and *Dauphin County*.==== Premium AT4 Interior and Advanced Technology ====Inside, the AT4 offers a 'Premium Off-Road' experience with a cabin that rivals luxury sedans. Drivers from *State College* to *Harrisburg* will enjoy a sanctuary of high-tech features: * *Exclusive AT4 Interior:* Jet Black leather-appointed seating with *Kalahari accents* and perforated inserts. * *Heated and Ventilated Front Seats:* Year-round comfort for the fluctuating Pennsylvania climate. * *15-inch Diagonal Head-Up Display:* Projects vital info like speed, navigation, and an off-road inclinometer onto the windshield. * *GMC Infotainment System:* Includes an 8-inch touchscreen with *Wireless Apple CarPlay* and *Wireless Android Auto* integration. * *Rear Camera Mirror:* Provides a high-resolution, wide-view digital image of what is behind you, even when the bed is fully loaded.==== Comprehensive Safety: GMC Pro Safety ====Drive with total peace of mind on the busy roads of *Allegheny County* and *Centre County*. The 2021 Sierra 1500 AT4 is equipped with advanced safety technologies, including: * *Forward Collision Alert* and *Automatic Emergency Braking* * *Front and Rear Park Assist* for effortless maneuvering in tight spots in *Altoona*. * *Lane Change Alert with Side Blind Zone Alert* * *Rear Cross Traffic Alert* * *Adaptive Cruise Control* (available on select packages)==== Why Buy from Stuckey GMC? ====At *Stuckey GMC*, we are committed to providing a transparent, stress-free buying experience for our neighbors in *Hollidaysburg*, *Altoona*, *State College*, and beyond. Our expert finance team works with a wide network of lenders to find a paymen