2026 GMC Sierra 1500

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, 20 Polished Aluminum Wheels - Includes Wheels: 20 x 9-inch front and rear polished w/painted accents aluminum wheels, 220 Amp Alternator, 275/60R20SL AT BW Tires - Includes 255/80R17SL AS BW Spare Tire,Tires: P275/60SR20 AT BSW front and rear tires, 7,200 lbs (3,266 Kgs) GVWR, All-Weather Floor Liner, Chrome Assist Steps, Driver Memory, Duramax 3.0L Turbo-Diesel I6 Engine - Includes 850 Heavy-Duty Battery,Battery type: Heavy-duty lead acid battery,Battery run down protection,Accessory power: Retained accessory power,Delete External Engine Oil Cooler,10-Speed Automatic Transmission,Transmission: 10-speed automatic,Overdrive transmission,Selectable mode transmission: Tow/Haul Mode selectable mode transmission,Lock-up transmission,Transmission electronic control,Transmission Type: Automatic,Engine Location: Front mounted engine,Fuel Type: Diesel,Ignition: Compression ignition system,Variable intake manifold,Engine Mounting direction: Longitudinal mounted engine,Engine block material: Aluminum engine block,Cylinder head material: Aluminum cylinder head,Emissions: LEV3-ULEV70 emissions,Emissions tiers: Tier 3 Bin 70 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),Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 305HP,Engine Short: Duramax 3L I-6 DOHC,Engine Configuration: Duramax I6,Compressor: Intercooled turbo, Engine Block Heater, Front License Plate Mount BC/MB/ON, Heated Driver and Front Outboard Passenger Seating, Preferred Equipment Group 4SA - Includes HD Rear Vision Camera,LED Cargo Area Lighting,Perforated Leather-Appointed Front Outboard Seat Trim,Remote Vehicle Starter System,3.23 Rear Axle Ratio,Electric Rear-Window Defogger,Theft Deterrent System (unauthorized Entry),Chrome Header and Chrome Grille Insert Bars,170 Amp Alternator,Auxiliary External Transmission Oil Cooler,Front Rain-Sensing Wipers,GMC Pro Safety,Forward Collision Alert,Lane Keep Assist with Lane Departure Warning,Following Distance Indicator,Front Pedestrian Braking,Automatic Emergency Braking,Brake assist system: Automatic Emergency Braking predictive brake assist system,Buckle to Drive,IntelliBeam Automatic