New 2026 Gmc Sierra 3500 HD AT4

Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible, At4 Premium Plus Package, Assist Steps; Power-Retractable; Black, Technology Package, Sunroof; Power, Sun/Moonroof, Leather Seats, Coastal Dune, Navigation System, At4 Preferred Package, Lpo; Console-Mounted Safe, Alternator; 220 Amps, Engine Block Heater, Keyless Start, Lamps; Smoked Amber Roof Marker; (LED), Cooled Front Seat(S), At4 Preferred Equipment Group, Audio System; 13.4" Diagonal Premium GMC Infotainment System, Colorado; Connecticut; Delaware; Maine; Maryland; Massachusetts; Minnesota; Nevada; New Jersey; New Mexico; New York; Oregon; Pennsylvania; Rhode Island; Vermont And Washington State Requirements, Exhaust Brake, Gvwr; 12;100 Lbs. (5488 Kg) With Single Rear Wheels, Jet Black With Kalahari Accents; Perforated Front Leather Seating Surfaces, Rear Axle; 3.42 Ratio, Rear Camera Mirror, Seats; Front Bucket With Center Console, Tires; Lt275/65R20 All-Terrain; Blackwall, Transmission; 10-Speed Automatic, Wheels; 20" (50.8 Cm) High Gloss Black Aluminum Wheels; 8 Spokes, Window; Power; Rear Sliding, Winter Grille Cover.