Experience the ultimate in power, capability, and luxury with this exceptional 2019 GMC Sierra 2500HD Denali. Boasting a commanding presence and packed with an array of premium features, this truck is the perfect companion for your toughest tasks and most adventurous journeys.
Standout features of this Sierra 2500HD Denali include:
FREE CARFAX Report
CARBRAVO 10 Day 500 Mile Exchange
4-Wheel Drive
Duramax 6.6L V8 Turbodiesel Engine
Allison 1000 6-Speed Automatic Transmission
Power Sunroof
Gooseneck/5th Wheel Prep Package
Off-Road Suspension Package
Bose 7 Speaker Sound System
Heated and Ventilated Front Bucket Seats
Heated Leather-Wrapped Steering Wheel
Dual-Zone Automatic Climate Control
Navigation System
Trailer Brake Controller
This Sierra 2500HD Denali is a true workhorse, equipped with the powerful Duramax 6.6L V8 Turbodiesel engine and Allison 1000 6-speed automatic transmission. Whether you're hauling heavy loads, towing a trailer, or tackling off-road terrain, this truck has the strength and capability to handle it all with ease.
The premium interior of the Denali trim level sets this Sierra apart, with luxurious features like heated and ventilated front seats, a heated leather-wrapped steering wheel, and a Bose 7-speaker sound system. The intuitive navigation system and dual-zone automatic climate control further enhance the driving experience, ensuring you and your passengers travel in exceptional comfort.
Safety and convenience are also top priorities, with features like the Gooseneck/5th Wheel Prep Package, Off-Road Suspension Package, and a comprehensive suite of driver assistance technologies. The Trailer Brake Controller, Lane Departure Warning, and Rear Park Assist make towing and maneuvering a breeze, while the Theft Deterrent System provides added peace of mind.
With its impressive capabilities, premium amenities, and striking good looks, this 2019 GMC Sierra 2500HD Denali is a true standout in the heavy-duty truck segment. Experience the ultimate in power, capability, and luxury schedule a test drive today and discover why this Sierra deserves a place in your driveway.
Used 2019 GMCSierra 2500 HD Denali
- Exterior Color
- Summit White
- Interior Color
- JET BLACK, PERFORATED LEATHER-APPOINTED SEAT TRIM
- Odometer
- 34,415 miles
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- Engine: 6.6L V8 DuraMax Diesel, Turbo
- VIN
- 1GT12SEYXKF261256
- Stock Number
- TF120877A
GMC
Sierra 2500 HD
Included Packages & Accessories
Detailed Specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 36 gal
- Horsepower: 445
Dealer Notes
KBB.com Consumer Reviews

Overall4.6Out of 5
- 5.0
Best HD Truck Ever !
By BZ | on Thursday, April 09, 2020
After owning a 1500 Sierra and stepping up to a 2500 HD Diesel there is a night and day difference when towing, highway MPG is surprisingly good for a 8000lb vehicle, average between 20-24 depending on conditions. Towing mpg is much better than gas V8. No strain at all on vehicle when towing. Truck has been 100% reliable so far @ 19K with zero issues. Allison transmission is the best I ever used, nothing else compares to this transmission !… - 5.0
This truck is awesome
By Army Vet | on Sunday, May 26, 2019
I love my GMC. It is reliable, well built, comfortable (my wife loves to road trip in our GMC) and gets excellent mileage (20-24 MPG on the hi-way). The truck drives well and is very solid feeling. The Duramax/Allison duo is unmatched in my opinion.… - 4.0
Great
By Ram | on Thursday, July 01, 2021
Kelley blue book is great. I recommend it to everyone. It gave me that answer I wanted. And now I feel comfortable.…
Based on 32 consumer ratings for 2015–2019 models. | Privacy
- Price
- $57,943
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- We're here to help: (903) 246-4328



