Used 2018 Gmc Sierra 3500 HD Denali

If you’re looking for a heavy-duty diesel truck with proven capability and a documented ownership history, this 2018 GMC Sierra 3500HD Denali delivers exactly what HD buyers prioritize: Duramax power, Denali-level comfort, and a well-maintained, personal-use background. Finished in Onyx Black with a Jet Black leather interior, this Denali presents cleanly and confidently. Custom wheels and aggressive all-terrain tires give it a strong, purposeful stance while maintaining the ride quality and road manners expected from a premium HD truck. At the heart of this is GMC’s proven 6.5L Duramax Turbo-Diesel V8, paired with the Allison 1000 6-speed automatic transmission—a combination trusted by owners who tow, haul, and rack up miles. The Denali trim transforms hard work into a comfortable experience. The truck reflects careful ownership and presents as a well-kept HD.