This vehicle is available now at Autonation Chevrolet Valencia. * Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible * At4 Premium Plus Package * Assist Steps; Power Retractable; Black * Technology Package * Sunroof; Power * Lpo; Body Color Wheel Arch Moldings * Volcanic Red Tintcoat * Sun/Moonroof * Gooseneck / 5Th Wheel Prep Package -- Hitch Platform To Accept Gooseneck Or 5Th Wheel Hitch. * Leather Seats * Navigation System * At4 Preferred Package * Alternators; Dual; 220-Amps Primary; 170-Amps Auxiliary * Snow Plow Prep/Camper Package * Lpo; Hitch Package * Lpo; Rear Underseat Storage * Lpo; Gmc Multipro Tailgate Step Lights * Lpo; Wheel Locks; Set Of 4 * Engine Block Heater * Keyless Start * Lamps; Smoked Amber Roof Marker; (Led) * Heads-Up Display * Cooled Front Seat(S) * At4 Preferred Equipment Group * Audio System; 13.4" Diagonal Premium Gmc Infotainment System With Google Built In Apps Such As Navigation And Voice Assistance * Emissions; Federal Requirements * Exhaust Brake * Gvwr; 11;350 Lbs. (5148 Kg) * Jet Black With Kalahari Accents; Perforated Front Leather Seat Trim * Multicolor 15" Diagonal Head-Up Display * Rear Axle; 3.42 Ratio * Rear Camera Mirror * Seats; Front Bucket * Tires; Lt275/65R20 All-Terrain; Blackwall * Transmission; Allison 10-Speed Automatic * Universal Home Remote * Wheels; 20" (50.8 Cm) High Gloss Black Aluminum Wheels * Window; Power; Rear Sliding With Rear Defogger * Winter Grille CoverThis vehicle includes a Money-Back Guarantee* and passed our precise inspection process. Best of all the price you see is the price you pay. No haggling. No back and forth. No pressure. And this price is so good it is guaranteed. *Money-Back Guarantee is valid for 5 days or 250 miles, whichever comes first. Subject to certain terms and conditions. See store for details. Some restrictions apply.Looking for a clean, well-cared for 2025 GMC Sierra 2500HD? This is it. This GMC includes: ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLEDiesel Fuel 8 Cylinder Engine Turbocharged *Note - For third party subscriptions or services, please contact the dealer for more information.*You appreciate the finer things in life, the vehicle you drive should not be the exception. Style, performance, sophistication is in a class of its own with this stunning GMC Sierra 2500HD AT4. Want to brave the road less traveled? You'll have the 4WD capabilities to do it with this vehicle.The quintessential GMC -- This GMC Sierra 2500HD AT4 speaks volumes about its owner, about uncompromising individuality, a passion for driving and standards far above the ordinary. Come see this 2025 GMC Sierra 2500HD 4WD Crew Cab 159" AT4 at Autonation Chevrolet Valencia. At the Valencia Auto Center you’ll find even more used cars for sale, used trucks, used SUVs & a huge used van & minivan selection with highly competitive prices & total transparency in your purchase process. With 17 luxury, domestic & import used car dealerships representing 24 brands along one magic mile, your family will make one stop in Santa Clarita for used car sales, parts & service. Remember ValenciaAutoCenter.com; featuring Santa Clarita Classifieds, used car recall & warranty alerts, used car loan calculators on every used vehicle listing, an auto loan calculator and over one thousand Southern California used cars and trucks for sale.