Rugged and refined, this 2021 GMC Sierra 1500 AT4 is a true off-road warrior ready to conquer any terrain. Outfitted with a powerful 3.0L I6 Diesel Turbocharged engine, this Sierra delivers exceptional performance and capability.- SUNROOF, POWER- TECHNOLOGY PACKAGE (Includes HD Surround Vision, Rear Camera Mirror, Bed View Camera, and Multicolor 15 Diagonal Head-Up Display)- AT4 PREMIUM PACKAGE (Includes AT4 Preferred Package, LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires, Driver Alert Package I, and AT4 high clearance step)- DRIVER ALERT PACKAGE II (Includes Forward Collision Alert, Lane Keep Assist/Lane Departure Warning, Automatic Emergency Braking, Front Pedestrian Braking, IntelliBeam, Adaptive Cruise Control, and Following Distance Indicator)The Sierra AT4's rugged good looks are matched by its exceptional off-road capabilities. With the off-road-tuned suspension, locking rear differential, and aggressive all-terrain tires, this truck is ready to tackle any adventure. Inside, the premium Bose audio system, wireless charging, and 8 driver information center keep you connected and entertained.Whether you're hauling gear to the jobsite or heading out on the trail, this 2021 GMC Sierra 1500 AT4 has the power, technology, and style to get the job done. Schedule a test drive today and experience the ultimate in truck capability and refinement.Alpine offers an unconventional experience with up front pricing, a non commissioned staff, no games, and a pain free auto shopping experience. Our focus is your satisfaction and making sure you walk out the door happy, with our without a vehicle. Only at Motor City, Only at Alpine! (719)636-3881 1313 Motor City Drive, Colorado Springs, CO 80905.