"Discover the ultimate in rugged capability and premium comfort with the 2025 GMC Sierra 2500HD AT4 4WD CREW CAB 159"" AT. This powerful pickup is engineered to conquer any terrain, while delivering an unparalleled driving experience. - Custom Features: - TECHNOLOGY PACKAGE - Includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15"" Diagonal Head-Up Display - Thunderstorm Gray - Gray - ENGINE BLOCK HEATER - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp 350.5 kW @ 2800 rpm, 975 lb-ft of torque 1322 Nm @ 1600 rpm) - AT4 PREFERRED PACKAGE - Includes (UG1) Universal Home Remote, (A48) rear sliding power window and (U01) Roof Marker Lamps - SNOW PLOW PREP/CAMPER PACKAGE - Includes (KW5) 220-amp alternator, includes increased front GAWR on Heavy Duty models, (NZZ) skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions - GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. - Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). This Sierra 2500HD AT4 is a certified pre-owned vehicle, giving you the confidence of a thorough inspection and comprehensive warranty coverage. Experience the ultimate in off-road capability, towing performance, and premium amenities. Schedule a test drive today and discover why the Sierra 2500HD AT4 is the perfect choice for your next adventure."