New 2026 GMC Sierra 2500HD Denali Ultimate For Sale Old Saybrook, CT

Experience unmatched power and luxury with the new 2026 GMC Sierra 2500HD Denali Ultimate, finished in striking black. With just 1 mile on the odometer, this truck is ready for the road. Equipped with a robust 6.6L V8 Diesel Turbo engine and 4WD, it delivers superior performance and capability for any challenge. The Denali Ultimate trim offers a premium interior, advanced technology, and high-end materials throughout. Don't miss the chance to own the pinnacle of heavy-duty trucks—visit us today to see it in person.