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The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
2021 GMC Sierra 3500 HD Denali
- Used
- Diesel
The overview
- Exterior Color
- Ebony Twilight Metallic
- Interior Color
- JET BLACK, FORGE PERFORATED LEATHER SEATING SURFAC
- Odometer
- 138,626 miles
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- Engine: 6.6L V8 DuraMax Diesel, Turbo
- VIN
- 1GT49WEY5MF166543
- Stock Number
- 55480A
The full specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 36 gal
- Horsepower: 445
Notes from the dealer
2021 GMC Sierra 3500HD Denali 4WD Denali
Track your progress
Peace of mind
Optional add-on protection
- GAP Protection
- Lifetime Powertrain
- Tires and Wheels
- Paint Protection
A name you can trust
Holman Motors Inc. is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
More about usKBB.com Consumer Reviews
4.2out of 5 overall- 5.0
Great tough truck
by MoieseMT on 3/28/2025 12:25:32 PM
Bought this Denali 3500 while looking for a 2500. Glad I did, Lots of power, redesigned in 2020, and great comfortable ride. - 5.0
Great Truck
by GMC 3500 on 6/10/2024 4:55:33 PM
Awesome Truck. Good fuel economy for a big truck. Transmission shifts smoothly, I really like the 8' bed. - 5.0
2020 GMC Denali 3500 HD Duramax is a BEAST!
by Merlinsmerc on 1/23/2021 1:44:28 AM
Pulling a conventional 10,000 lb trailer over mountain passes is a whole new experience. Staying at the speed limit up long steep grades did not change the engine temperature. I feathered the accelerator up the mountain. The new 10 speed transmission is so smooth you cant feel it changing gears. This is my second GMC Denali Duramax, first being a 2016. I debated trading in for over a year, and am so happy I made the trade. Trailers always exceed by far the tongue weight posted on them, and in my case it came in at 1450 lbs. That exceeded my trucks posted maximum. The 2020 dually posts a 2,000 lb tongue weight, so now I can front load the trailer, and that reduces sway. If you can afford it, and have a heavy trailer, buy the truck!