Meet the 2025 GMC Sierra 2500HD Denali Ultimate, a purpose-built diesel truck engineered for those who demand capability without compromise. This Denali Ultimate combines the strength of the legendary Duramax 6.6L V8 Turbodiesel engine with a refined driving experience, making it the ideal choice for both heavy hauling and daily versatility.

- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic transmission
- 4WD with 2-Speed Active Transfer Case and Hill Descent Control
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- Spray-On Pickup Bedliner with GMC Logo
- Full Grain Leather Seat Trim with 16-Way Power Driver and Passenger Seat Adjusters
- Heated and Ventilated Front Seats plus Heated 2nd Row Outboard Seats
- Power Sunroof and Deep-Tinted Glass
- Bose Premium Series 12-Speaker System with SiriusXM (3-year subscription included)
- 15 Diagonal Head-Up Display with Multicolor Graphics
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Wireless Charging and Wireless Phone Projection with Apple CarPlay/Android Auto
- Trailer Tire Pressure Monitor Sensors and Trailer Side Blind Zone Alert
- Ultrasonic Front and Rear Park Assist with Safety Alert Seat
- 20 Ultra-Bright Machined Aluminum Alloy Wheels
- All-Weather Floor Liners and 120-Volt Power Outlets (bed and instrument panel mounted)

Built for those who value capability, this truck arrives as a single-owner, local trade with comprehensive technology integration. The X31 Off-Road Package enhances suspension performance, while the Technology Package delivers advanced driver assistance features including automatic emergency braking, forward collision alert, and lane departure warning. The signature Denali Ultimate grille in Vadar Chrome sets a commanding presence on any road or jobsite.

The interior reflects true luxury crafted for work. Full grain leather seating, genuine wood dashboard and door panel inserts, and a heated leather steering wheel establish the premium environment. The Preferred Equipment Group 5SB adds memory seating functions and power adjustments for ultimate personalization. Whether you're monitoring trailer cameras through the in-vehicle app or relying on the hitch guidance system for precision backing, every detail serves both comfort and function.

Trailering capability is paramount in this Sierra. Trailer side blind zone alerts, cross traffic detection, and dedicated trailer viewing software transform challenging towing situations into manageable tasks. The spray-on bedliner protects your investment, while OnStar services connectivity keeps you supported on every journey.

This 2025 GMC Sierra 2500HD Denali Ultimate represents more than a truck—it's a commitment to performance, technology, and refined capability. The local trade status and single-owner history provide assurance of meticulous care. We invite you to experience this diesel powerhouse firsthand and discover why discerning truck owners choose the Sierra 2500HD.