2026 GMC Sierra 2500 HD SLT

From the dealer

Meet the 2026 GMC Sierra 2500HD SLT—a heavy-duty truck engineered to deliver capability, comfort, and confidence on every drive. - 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD - Bose Premium 7-Speaker Sound System with SiriusXM 360L - Front and rear heated seats with ventilated driver and passenger seating - 10-Way power driver and passenger seats with lumbar support - Spray-on pickup bedliner with GMC logo - X31 Off-Road Package with Hill Descent Control - Apple CarPlay and Android Auto compatibility - Wireless charging and wireless phone projection - Automatic Emergency Braking with Forward Collision Alert - Lane Departure Warning System - Auto high-beam headlights with IntelliBeam technology - Chrome surround grille and bumpers - Remote Vehicle Starter System with keyless open and start This Sierra 2500HD combines genuine workhorse capability with refined daily-driver comfort. The Duramax diesel engine delivers substantial torque for towing and hauling, while the 10-speed automatic transmission ensures smooth, efficient power delivery. The 4WD system with 2-Speed Active Transfer Case provides the versatility you need across all terrain and weather conditions. Inside, you'll find thoughtful details that make long days easier. The heated and ventilated front seats adjust via 10-way power controls with lumbar support, keeping you comfortable whether you're working or traveling. The Bose premium audio system paired with SiriusXM 360L entertainment keeps the cab engaging during every mile. Wireless charging and dual USB ports keep your devices ready while you focus on the road ahead. The SLT trim brings premium touches to your workday. Perforated leather-appointed front outboard seat trim, chrome accents throughout, and modern conveniences like push-button start and remote keyless entry reflect attention to professional standards. The spray-on bedliner with GMC logo protects your cargo bed while maintaining the truck's clean appearance. Safety features work seamlessly to help protect you and your passengers. Automatic Emergency Braking, Forward Collision Alert, and Lane Departure Warning provide active assistance, while comprehensive airbag protection and electronic stability control offer multiple layers of protection. The in-vehicle trailering system app and hitch guidance with hitch view simplify towing operations. The X31 Off-Road Package enhances your ability to tackle challenging terrain. Hill Descent Control works in tandem with the off-road suspension to maintain stability when descending steep grades. Front fog lights and rain-sensing wipers ensure clear vision in demanding conditions, while the heavy-duty 80-amp battery and 220-amp alternator provide reliable electrical support for accessories and equipment. This Sierra 2500HD SLT is ready to work or play with equal confidence. We invite you to experience its commanding presence, capable performance, and refined interior firsthand at our showroom.