2026 GMC Sierra 3500HD SLE Double Cab LB 4WD

Experience the uncompromising power and capability of the 2026 GMC Sierra 3500HD SLE. This heavy-duty truck is engineered to tackle the toughest jobs with confidence, thanks to its Duramax 6.6L V8 Turbodiesel engine that delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque. - Duramax 6.6L V8 Turbodiesel (B20-Diesel Compatible) - 10-Speed Automatic Transmission - 4-Wheel Drive - Gooseneck/5th Wheel Prep Package - Preferred Equipment Group 3SA - Preferred Package - Remote Start Package - SLE Convenience Package - SLE Heated Package - SLE Value Package - Snow Plow Prep/Camper Package - Suspension Package Elevate your driving experience with the Sierra 3500HD SLE's premium features, including the GMC Infotainment System with SiriusXM 360L, dual-zone automatic climate control, and a host of advanced safety technologies like Forward Collision Alert, Automatic Emergency Braking, and Lane Departure Warning. Whether you're hauling heavy loads, towing a trailer, or navigating through challenging terrain, the Sierra 3500HD SLE is up for the task. Its robust construction, advanced powertrain, and comprehensive suite of capabilities make it the perfect companion for the most demanding jobs. Discover the unparalleled performance and versatility of the 2026 GMC Sierra 3500HD SLE. Visit Castle Buick GMC in North Riverside, IL, to experience this exceptional heavy-duty truck firsthand and explore our full lineup of new Buick and GMC models. Our knowledgeable sales team is ready to assist you in finding the perfect vehicle to meet your needs and exceed your expectations. Welcome to Castle Buick GMC, your trusted Buick and GMC dealership in North Riverside, IL, proudly serving shoppers from Cicero, Chicago, Berwyn, Oak Park, Brookfield, and nearby suburbs. If you are searching for new Buick vehicles for sale near me or new GMC trucks and SUVs near Chicago, you are in the right place. Explore our lineup of new Buick Envista, Encore GX, Envision, and Enclave modelsperfect for drivers seeking comfort, technology, and exceptional value. On the GMC side, shop our selection of GMC Terrain, Acadia, Yukon, Sierra 1500, and Sierra HD trucks, with multiple trims and configurations to match your performance and towing needs. At Castle Buick GMC, you will enjoy competitive pricing, easy financing, and a knowledgeable sales team ready to help you find the right vehicle. Browse our new Buick and GMC inventory online, schedule a test drive, or visit our North Riverside showroom today. Contact our sales team at (708) 853-3542. Price does not include tax, title.

Additional Information

Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 3SA,Preferred Package,Remote Start Package,SLE Convenience Package,SLE Heated Package,SLE Value Package,Snow Plow Prep/Camper Package,Suspension Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Dual-Zone Automatic Climate Control,Electric Rear-Window Defogger,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,4-Way Manual Driver Seat Adjuster,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar Services capable,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Pickup Bed,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Auto High-beam Headlights,Delay-off headlights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Unauthorized Entry Theft-Deterrent System,Adaptive Cruise Control,Speed control,2-Speed Active Transfer Case,2-Speed Electronic Shift Transfer Case,220 Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp-Hour Battery,6" Rectangular Chromed Tubular Assist Steps,Bumpers: chrome,Chrome Surround Grille with Chrome Insert Bars,Front License Plate Kit,GMC MultiPro Tailgate,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Fog Lamps,Power door mirrors,Power-Adjustable Black Outside Mirrors,Rear step bumper,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,Winter Grille Cover,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports,Auto-Dimming Inside Rear-View Mirror,Automatic Emergency Braking,Buckle to Drive,Cloth Seat Trim,Compass,Driver door bin,Driver vanity mirror,Following Distance Indicator,Forward Collision Alert,Front 40/20/40 Split-Bench Seats with Lockable Storage,Front Pedestrian Braking,Front reading lights,GMC Premium 13.4" Diagonal Information Display,Heated Steering Wheel,Illuminated entry,Outside temperature display,Overhead console,Passenger vanity mirror,Rear reading lights,Tachometer,Tilt steering wheel,Trip computer,Upfitter Switch Kit (5),Voltmeter,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,4-Way Manual Passenger Seat Adjuster,Heated Driver and Front Outboard Passenger Seats,Split folding rear seat,Front Center Armrest w/Storage,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering App,Deep-Tinted Glass,Power Sliding Rear Window with Defogger,Variably intermittent wipers