2026 GMC Sierra 3500

KEY FEATURES INCLUDE 220 Amp Alternator, 3 Years SiriusXM, 3.42 Rear Axle Ratio, 6 Rectangular Chromed Tubular Assist Steps, AM/FM Stereo with Premium GMC Infotainment System - Includes GMC Premium 13.4 Diagonal Information Display,Primary display size: 13.4 inch primary display,Primary display touchscreen: Primary monitor touchscreen,Voice activated audio: Premium GMC Infotainment System voice activated audio controls,Wireless streaming: Wireless audio streaming,Handsfree: Handsfree wireless device connectivity,Built-in virtual assistant, Assist Step and Floor Liner Package - Includes All-Weather Floor Liners, Capped Fuel Fill, Duramax 6.6L Turbo-Diesel V8 Engine - Includes 10-Speed Automatic Transmission,Transmission: Allison 10-speed automatic,Overdrive transmission,Lock-up transmission,Transmission electronic control,Transmission Type: Automatic,Dual Heavy-Duty 70 Amp-Hour Battery,Battery type: Dual lead acid batteries,Battery run down protection,Accessory power: Retained accessory power,Engine Location: Front mounted engine,Fuel Type: Diesel,Ignition: Compression ignition system,Engine Mounting direction: Longitudinal mounted engine,Engine block material: Iron engine block,Cylinder head material: Aluminum cylinder head,Emissions: Federal emissions,DEF fluid gauge: Diesel exhaust fluid (def) gauge,Low level warnings: Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF),Tailpipe: Stainless steel single exhaust,Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 470HP,Engine Short: Duramax 6.6L V-8,Engine Configuration: Duramax V8,Compressor: Intercooled turbo, Engine Block Heater, Exhaust Brake, Fleet Customer Powertrain Limited Warranty - Includes Powertrain warranty: 60 month/100,000 miles (FLT),Roadside warranty: 60 month/100,000 miles (FLT), GMC MultiPro Tailgate - Includes Rear cargo door: MultiPro Tailgate tailgate,Easy lift tailgate: EZ Lift,Easy lower tailgate: EZ Lower, GMC MultiPro Tailgate Step Lights, Gooseneck/5th Wheel Prep Package - Includes Towing wiring harness: Trailer wiring harness,Towing prep: 5th wheel and gooseneck prep, GVWR: 12,100 lbs (5,488 Kg), Hitch Package, Perforated Leather-Appointed Front Outboard Seat Trim - Includes Front seat upholstery: Leather front seat upholstery,Rear seat upholstery: Vinyl rear seat upholstery, Pickup Bed - Includes Box style: Standard style pickup box,Boxside steps: BedStep integrated side steps, Preferred Equipment Group 4SA - Includes LED Cargo Area Lighting,LT275/70R18E AT BW Tires,Spare tire: Full-size spare tire with steel wheel,Tires: LT275/70SR18 AT BSW front and rear tires,SiriusXM with 360L Trial Subscription,Radio: AM/FM/SiriusXM with 360Lsatellite,Remote Vehicle Starter System,Keyfob remote start,Smart device remote start,Electric Rear-Window Defogger,Unauthorized Entry Theft-Deterrent System,Front Rain-Sensing Wipers,Sierra HD Pro Safety,Forward Collision Alert,Following Distance Indicator,Fr