2026 GMC Sierra 3500

KEY FEATURES INCLUDE 120-Volt Bed Mounted Power Outlet - Includes Exterior 120V AC power outlet: 1 exterior 120V AC power outlet,Onboard power supply (kW): 0.400 kW, 120-Volt Instrument Panel Power Outlet - Includes Interior 120V AC power outlets: 1 interior 120V AC power outlet, 18 Silver 8-Spoke Painted Steel Wheels - Includes Wheel covers: Wheel hub covers,Wheels: 18 x 8-inch front and rear silver steel wheels, 220 Amp Alternator, 3.42 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster - Includes Driver seat direction: Driver seat with 4-way directional controls,Manual driver seat controls: Driver seat manual reclining and fore/aft control, 4-Way Manual Passenger Seat Adjuster - Includes Passenger seat direction: Front passenger seat with 4-way directional controls,Manual passenger seat controls: Passenger seat manual reclining and fore/aft control, 4 Round Black Tubular Assist Steps, AM/FM Radio with GMC Infotainment System - Includes 6-Speaker Audio System Feature,Wireless streaming: Wireless audio streaming,Primary display size: 7 inch primary display,Primary display touchscreen: Primary monitor touchscreen,Handsfree: Handsfree wireless device connectivity,Clock: Digital clock, Auto-Dimming Inside Rearview Mirror - Includes Rearview mirror: Auto-dimming rear view mirror,Day/Night rearview mirror, Capped Fuel Fill, Convenience Package - Includes LED Cargo Area Lighting,EZ Lift Power Lock and Release Tailgate,Rear cargo door: Tailgate,Tailgate control: Tailgate/power door lock,Keyfob cargo controls: Keyfob trunk control,Towing hitch light: Trailer hitch light,Easy lift tailgate: EZ Lift,Easy lower tailgate: EZ Lower,Deep-Tinted Glass,Outside Power-Adjustable Black Mirrors,Door mirrors: Power door mirrors,Heated door mirrors: Heated driver and passenger side door mirrors,Convex spotter: Driver and passenger convex spotter mirrors,Door mirror type: Manual extendable trailer mirrors,Turn signal in door mirrors: Turn signal indicator in door mirrors,Door mirror style: Black door mirrors,Electric Rear-Window Defogger, 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