A Free CARFAX for this vehicle is available at mercedesfarmington.com, where you can view the vehicle history report, ownership history, and maintenance reports. The GMC Sierra HD AT4X is a rugged, capability-focused pickup designed to handle demanding work and weekend adventure with confidence. Equipped with 4WD/4-Wheel Drive/4x4, it delivers the traction and control you want when the road gets rough or conditions change. Its bold pickup design is matched by a well-rounded suite of standard safety and driver-assist technologies, including ABS, ESC, traction control, blind spot warning, forward collision warning, lane departure warning, lane keeping assistance, adaptive cruise control, crash imminent braking, dynamic brake support, pedestrian automatic emergency braking, parking assist, rear cross traffic alert, and a backup camera. Additional confidence comes from keyless ignition, direct TPMS, LED headlamp light source, daytime running lights, semiautomatic headlamp beam switching, and auto-reverse windows. Front, side, and curtain airbags provide added peace of mind for occupants, while standard automatic crash notification helps support emergency response when needed. With its strong presence, advanced safety features, and AT4X trim, the GMC Sierra HD AT4X is built to deliver serious capability and everyday practicality in one impressive package. Mercedes-Benz of Farmington is proud to be recognized as a 2025 CarFax Top Rated Dealer.