<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"><url><loc>https://www.motorcar.com/for-sale/used-2026-gmc-sierra_2500hd-4wd_crew_cab_159_at4x-marietta-ga-13156-7164090.html</loc><video:video><video:player_loc allow_embed="yes" autoplay="ap=1">https://video.ebizautos.media/video/13156/23006950/23006950-0_400.mp4</video:player_loc><video:thumbnail_loc>https://cdn.ebizautos.media/used-2026-gmc-sierra+2500hd-4wd+crew+cab+159%22+at4x-13156-23006950-1-107.jpg</video:thumbnail_loc><video:title><![CDATA[2026 Used GMC Sierra 2500HD4WD Crew Cab 159" AT4X for Sale Marietta, GA - 1GT4UZE74TF103990 on Motorcar.com]]></video:title><video:description><![CDATA[ Elevate your driving experience with this exceptional 2026 GMC Sierra 2500HD AT4X. Meticulously maintained and boasting just 3,209 miles, this powerful truck is a true workhorse, ready to tackle any task with uncompromising capability.- Gooseneck/5th Wheel Prep Package- Preferred Equipment Group 4SG- Snow Plow Prep/Camper Package- Bose Premium Series 12-Speaker System- SiriusXM with 360L Trial Subscription- Steering Wheel Audio Controls- Electric Rear-Window Defogger- 120-Volt Bed Mounted Power Outlet- 120-Volt Instrument Panel Power Outlet- Push Button Start- Remote Vehicle Starter System- Universal Home RemoteBeneath the bold Onyx Black exterior, this Sierra 2500HD AT4X is powered by a robust 6.6L V8 engine paired with a smooth-shifting 10-speed automatic transmission and the confidence of 4-wheel drive. Whether you're towing a heavy load, navigating off-road terrain, or simply enjoying the open road, this truck is engineered to deliver exceptional performance and capability.The premium cabin features luxurious touches that elevate your driving experience, including heated and ventilated front seats, a heated steering wheel, and a stunning 15-inch Multicolor Head-Up Display. Stay connected and entertained with the state-of-the-art GMC Infotainment System, complete with wireless charging, wireless phone projection, and a premium Bose audio system.Safety and technology are also at the forefront, with features like Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, and the innovative HD Surround Vision system. This Sierra 2500HD AT4X is truly a masterpiece of engineering, designed to provide unparalleled capability, comfort, and confidence behind the wheel.Experience the power and refinement of this exceptional 2026 GMC Sierra 2500HD AT4X. Contact us today to schedule a test drive and discover how this remarkable truck can elevate your... - VIN 1GT4UZE74TF103990]]></video:description><video:duration>36</video:duration><video:tag>GMC</video:tag><video:tag>Sierra</video:tag><video:tag>2500HD</video:tag><video:tag>2026</video:tag><video:tag>4WD</video:tag><video:tag>Crew</video:tag><video:tag>Cab</video:tag><video:tag>159"</video:tag><video:tag>AT4X</video:tag><video:tag>Marietta</video:tag><video:tag>GA</video:tag><video:tag>Grand</video:tag><video:tag>Motorcars</video:tag><video:tag>Marietta</video:tag></video:video></url></urlset>