Used 2015 GMC Sierra 3500

2015 GMC Sierra 3500HD SLT 4x4 – Crew Cab, Duramax Diesel

Take on the toughest jobs with confidence in this 2015 GMC Sierra 3500HD SLT 4x4 Crew Cab, equipped with the legendary Duramax® 6.6L V8 Turbo Diesel engine and Allison® 6-speed automatic transmission. Built to tow, haul, and handle with refined comfort, this heavy-duty pickup is as capable as it is luxurious—finished in Onyx Black with a premium Jet Black Leather interior.

Key Features:

Heavy-Duty Power: • 6.6L Duramax® Diesel V8 • Allison® 6-speed automatic transmission • 4x4 with electronic shift transfer case • High-capacity air cleaner and transmission fluid cooler • HD Trailering Package with integrated trailer brake controller & wiring provisions • 3.73 Rear Axle Ratio and Auto Locking Rear Differential

SLT Comfort & Convenience: • Full-feature front bucket seats – heated and ventilated • Power adjustable pedals and power sliding rear window • Heated leather-wrapped steering wheel • 6" chrome assist steps and chrome door handles • Dual-zone automatic climate control

Tech & Safety: • IntelliLink™ infotainment with Navigation • Bose® premium audio system • SiriusXM™ radio with 3-month trial • Rear Vision Camera and Park Assist • OnStar® Turn-by-Turn Navigation • Driver Alert Package – includes Lane Departure Warning and Forward Collision Alert • Universal Home Remote

Work-Ready Utility: • Spray-in bedliner with LED box lighting • EZ-Lift and Lower Tailgate • Roof marker lamps and fog lamps • Tow mirrors (Deluxe Camper Style) • 17" Polished Forged Aluminum Wheels • LT235/80R17 tires including spare

Built for those who demand strength and sophistication, this 2015 GMC Sierra 3500HD SLT delivers uncompromising performance and premium features—whether you're towing heavy equipment, heading to the job site, or enjoying a comfortable ride home.

Why Buy from Stetson GM? We’re proud to offer dependable, top-quality trucks backed by exceptional service. Explore more or book your test drive at www.stetsongm.com.