New 2026 GMC Sierra 2500HD AT4 For Sale Palmdale, CA

This 2026 GMC Sierra 2500HD AT4 crew cab delivers premium capability and luxury straight from the factory. Finished in crisp white with a sophisticated jet black leather interior accented with Kalahari tones, this truck stands ready for work or weekend adventures. Built on the robust strength of the Duramax 6.6L V8 turbodiesel engine paired with a smooth 10-speed automatic transmission, the Sierra 2500HD commands confidence on any terrain.- Power Sunroof- MAX TRAILERING PACKAGE- Duramax 6.6L V8 Turbodiesel Engine with Exhaust Brake- 4WD with 2-Speed Active Transfer Case and Hill Descent Control- Premium Bose 7-Speaker Sound System with SiriusXM 360L- Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment- Advanced Safety: HD Surround Vision, Rear Cross Traffic Alert, Automatic Emergency Braking- AT4 PREFERRED PACKAGE with Spray-on Bedliner and Black Sport Step- Wireless Phone Projection and Apple CarPlay/Android Auto Integration- Hitch Guidance with In-Vehicle Trailering System AppThe AT4's premium appointments include heated rear seats, an auto-dimming rear-view mirror, and wireless charging for modern convenience. Dual-zone climate control, a heated steering wheel, and premium floor liners ensure driver comfort in all conditions. This truck's advanced trailering technology and surround-view camera system make towing and maneuvering seamless, while the off-road suspension and electronic stability control deliver assured handling. The 220-amp alternator and engine block heater provide the heavy-duty capability you demand. Step into the showroom today and experience the commanding presence and refined capability of this Sierra 2500HD AT4.Total Price includes $85 document processing charge, $37 electronic filing charge, and $50 emissions testing charge (if applicable) (not governmental fees)