2026 GMC Sierra 2500

KEY FEATURES INCLUDE 10-Way Power Driver Seat Adjuster with Lumbar - Includes Driver seat direction: Driver seat with 8-way directional controls,Driver lumbar: Driver seat with 2-way power lumbar,Power driver seat controls: Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control, 10-Way Power Passenger Seat Adjuster with Lumbar - Includes Passenger seat direction: Front passenger seat with 8-way directional controls,Front passenger lumbar: Front passenger seat with 2-way power lumbar,Power passenger seat controls: Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control, 11,350 lbs (5,148 Kg) GVWR, 220-Amp Alternator - Includes Alternator Type: Alternator, 3 Years SiriusXM - Includes Radio: AM/FM/SiriusXMsatellite, 3.42 Axle Ratio, 5th Wheel and Gooseneck Trailer Wiring Provisions, AM/FM Stereo with Premium GMC Infotainment System - Includes Voice activated audio: Voice activated audio controls,Wireless streaming: Bluetooth® wireless audio streaming,Primary display size: 13.4 inch primary display,Primary display touchscreen: Primary monitor touchscreen,Handsfree: Bluetooth® handsfree wireless device connectivity, Driver Memory, Duramax 6.6L Turbo-Diesel V8 Engine - Includes Capped Fuel Fill,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 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,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),Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 470HP,Engine Cylinders: Duramax V8,Compressor: Intercooled turbo, Engine Block Heater, Exhaust Brake, Federal Emissions Requirements, Front License Plate Kit, LT275/70R18 AT BW Spare Tire, Pickup Box, Preferred Equipment Group 4SA - Includes LED Cargo Area Lighting,SiriusXM with 360L Trial Subscription,Radio: AM/FM/SiriusXM with 360Lsatellite,Remote Vehicle Starter System,Electric Rear-Window Defogger,Chrome Surround Grille with Chrome Insert Bars,Unauthorized Entry Theft-Deterrent System,Front Rain-Sensing Wipers,Sierra HD Pro Safety,Forward Collision Alert,Following Distance Indicator,Front Pedestrian Braking,Buckle to Drive,Automatic Emergency Braking,Brake assist system: Automatic Emergency Braking predictive brake assist system,IntelliBeam Automatic High Beam On/off,Lane Departure Warning,Wireless Phone Projection,120-Volt Instrument Panel Power Outlet,Hea