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With its commanding presence and purposeful design this truck is engineered to perform at the highest level whether you're tackling demanding job sites or enjoying the open road.<br><br>- Duramax 6.6L V8 Turbodiesel Engine with 10-Speed Automatic<br>- 4WD with 2-Speed Active Transfer Case and Off-Road Suspension<br>- X31 Off-Road Package with Hill Descent Control<br>- Premium Bose 7-Speaker Sound System with SiriusXM 360L Trial<br>- GMC Premium 13.4\" Diagonal Information Display<br>- Signature Chrome Denali Grille with Spray-On Bedliner<br>- HD Surround Vision with Bed and Trailer Cameras<br>- Heated and Ventilated Front Seats with 12-Way Power Adjustment<br>- Automatic Emergency Braking with Forward Collision Alert<br>- Wireless Phone Projection and Wireless Charging<br>- Ultrasonic Front and Rear Park Assist<br>- Heated Steering Wheel with Steering Wheel Audio Controls<br>- LED Cargo Area Lighting and Polished Exhaust Tip<br>- Power Sliding Rear Window with Auto-Dimming Features<br>- 20\" Ultra-Bright Machined Alloy Wheels<br><br>The heart of this Sierra is its Duramax 6.6L V8 Turbodiesel engine paired with a 10-Speed Automatic transmission and 4WD capability. This combination delivers the power and torque necessary for substantial hauling and towing tasks while the 3.73 rear axle ratio optimizes efficiency and performance. The 2-Speed Active Transfer Case and off-road suspension package equip this truck to navigate challenging terrain with confidence and control.<br><br>Inside the cab you'll find the Denali trim's commitment to luxury and functionality. The interior features forged perforated leather seat trim with heated and ventilated front seats offering 12-way power adjustment with lumbar support. A heated steering wheel adds comfort during cold mornings while the floor-mounted center console with wireless charging keeps your devices powered throughout","additionalProperty":[{"@type":"PropertyValue","name":"feature","value":"X31 Off-Road Package"},{"@type":"PropertyValue","name":"feature","value":"7 Speakers"},{"@type":"PropertyValue","name":"feature","value":"AM/FM radio: SiriusXM with 360L"},{"@type":"PropertyValue","name":"feature","value":"Bose Premium 7-Speaker Sound System"},{"@type":"PropertyValue","name":"feature","value":"Radio: AM/FM w/Premium GMC Infotainment System"},{"@type":"PropertyValue","name":"feature","value":"SiriusXM w/360L Trial Subscription"},{"@type":"PropertyValue","name":"feature","value":"Steering Wheel Audio Controls"},{"@type":"PropertyValue","name":"feature","value":"Air Conditioning"},{"@type":"PropertyValue","name":"feature","value":"Automatic temperature contr"}],"image":[{"@type":"ImageObject","url":"https://imgcdn.lotlinx.com/vdn/4891/gmc_sierra%203500hd_2025_1GT4UWEYXSF303780_4891_2747875981.jpg?ver=20260812","description":"2025 GMC Sierra 3500HD - Primary exterior view","representativeOfPage":true}],"seller":{"@type":"AutoDealer","name":"Schoner Chevrolet","slug":"schoner-chevrolet-hartville-oh","telephone":null,"url":null,"address":{"@type":"PostalAddress","postalCode":"44632","addressRegion":"OH","streetAddress":"720 W Maple St","addressCountry":"US","addressLocality":"Hartville"},"latitude":"40.9665000","longitude":"-81.3429000","dealerGroup":null,"aggregateRating":{"@type":"AggregateRating","ratingValue":4.6,"reviewCount":433,"bestRating":5,"worstRating":1}},"stockNumber":null,"slug":"2025-gmc-sierra-3500hd-unknown","dateCreated":"2026-08-13T10:30:58.494Z","dateModified":"2026-08-13T10:30:58.491Z","safetyRating":null,"recallSummary":null,"referenceSpecs":null,"inventoryStatus":"on_lot","estimatedArrival":null,"_raw":{"lot_date":"2026-08-11"},"isFeatured":false,"internetprice":75402,"msrp":null}