The 2025 GMC Sierra 1500 AT4X is a formidable pickup that combines rugged capability with upscale comfort. With only 22,531 miles on the odometer, this used diesel-powered truck remains a strong performer, offering 305 horsepower and 495 lb-ft of torque from its turbocharged 3.0-liter inline-six engine. Its Summit White exterior and Obsidian Rush interior give it a sleek look, complemented by premium features like leather seats, heated and rear heated seats, and a sunroof. This 4WD crew cab is equipped with a 10-speed automatic transmission, ensuring smooth handling on and off the road. Whether tackling tough terrains or city streets, this Sierra 1500 brings versatility, comfort, and modern tech to the forefront, making it an ideal choice for drivers seeking a reliable, well-equipped pickup. Loaded with advanced safety features, this truck prioritizes security and driver assistance. It includes automatic emergency braking with rear collision mitigation, a trailer rearview camera system, and front and rear parking sensors for easy maneuvering. The vehicle also features a comprehensive camera system, ABS for enhanced stopping power, anti-lock door locks with auto-locking, and a rear seat reminder for added safety. Additional security is provided by a programmable safety key and front camera washer, ensuring peace of mind during daily drives or heavy-duty tasks. These features combine to create a secure driving environment, whether on or off the pavement. 2025 GMC Sierra 1500 Safety and Security Features This model is equipped with automatic emergency braking at the rear to prevent collisions, along with a rear camera system that includes trailer view for better hitching and towing. Check rear seat reminder prompts ensure no passengers are left behind, while front and rear parking sensors assist in tight spaces. The truck’s ABS system enhances stopping power, and power door locks feature anti-lockout and auto-locking functions for convenience. The front camera washer maintains clear visibility during adverse weather, and a programmable safety key adds an extra layer of security, making this Sierra 1500 a dependable choice for safety-conscious drivers. 2025 GMC Sierra 1500 Entertainment and Technology Features The Sierra 1500 AT4X offers a cutting-edge 13.4-inch infotainment touchscreen with Google Built-In, providing navigation, apps, and real-time updates. It boasts an impressive 11-speaker premium audio system with a subwoofer, delivering clear, immersive sound. Smart device compatibility is seamless through myGMC Connected Access and Amazon Alexa, allowing remote engine start, cabin preconditioning, and more. Hands-free voice-operated phone calls and radio enhance convenience, while the touchscreen interface makes controlling entertainment simple. This truck’s tech suite ensures connectivity, entertainment, and ease of use, making every drive more enjoyable and connected. 2025 GMC Sierra 1500 Performance Features Performance is a key highlight of this Sierra 1500 AT4X, featuring an off-road tuned suspension for rugged terrains. Auto start/stop technology helps improve fuel efficiency, while the electronic hi-lo 4WD selector and part-time 4WD with on-demand setting give drivers control over challenging conditions. Locking differentials at the front and rear maximize traction when needed, making it capable on steep inclines or tough trails. This truck’s combination of powertrain and suspension design ensures reliable performance whether hauling, towing, or exploring off the beaten path. Fully detailed, 10-Speed Automatic, 4WD, Obsidian Rush Leather. 2025 GMC Sierra 1500 AT4X 4WD 10-Speed Automatic 3.0L I6 Odometer is 3412 miles below market average!