Discover the ultimate in power and capability with this 2021 GMC Sierra 3500HD Denali. Equipped with the legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this truck delivers uncompromising performance and towing prowess.
- **3 YEARS COMPLIMENTARY MAINTENANCE**
- **4 WHEEL DRIVE / 4X4**
- **8.4 INCH TOUCHSCREEN DISPLAY**
- **ALLOY WHEELS**
- **APPLE CARPLAY/ANDROID AUTOPLAY**
- **BLIND SPOT ASSIST**
- **BLUETOOTH**
- **DUAL-ZONE AUTO TEMP CNTRL**
- **HEATED FRONT SEATS**
- **HUFFMAN PLATINUM PLAN WARRANTY INCUDED**
- **LEATHER SEATING**
- **LOCAL TRADE IN**
- **ONE OWNER**
- **PUSH BUTTON START**
- **REAR BACK UP CAMERA**
Elevate your driving experience with the Denali's premium features, including a Multicolor 15" Diagonal Head-Up Display, Wireless Charging, and a Bose Premium 7 Speaker Sound System. The innovative ProGrade Trailering System and Integrated Trailer Brake Controller make towing a breeze.
Indulge in the utmost comfort and convenience with Heated and Ventilated front seats, a Heated Steering Wheel, and Dual-Zone Automatic Climate Control. Stay connected with 4G LTE Wi-Fi Hotspot Capability and seamless integration of your smartphone via Apple CarPlay and Android Auto.
Safety is paramount in the Sierra 3500HD Denali, with advanced driver assistance technologies like Forward Collision Alert, Automatic Emergency Braking, and Lane Departure Warning. The Surround Vision Camera System and Rear Camera Mirror provide exceptional visibility.
Why Buy From Neil Huffman Auto Group? We believe buying a car should be simple and transparent- not a high-pressure guessing game. We deliver peace of mind. Our exclusive HUFFMAN VALUE PRICING gives you a real-time, market-based price- we don't believe in artificially inflating prices just to play a negotiating game. Just honest pricing from the start with no haggling. Every qualifying vehicle comes with the HUFFMAN PLATINUM PLAN WARRANTY covering you for the first 90 days or 3000 miles of ownership. 3 YEARS OF COMPLIMENTARY MAINTENANCE with every purchase! NOT 100% SATISFIED? Our 7-DAY EXCHANGE POLICY allows you to return every qualifying vehicle within 7 days or 150 miles (whichever comes first) and exchange it for another of equal or greater value. NO PRESSURE, NO HASSLE! We'll buy YOUR car even if you don't buy ours! Huffman Has It! All advertised payments are plus tax, title, license, & dealer document fee of $251.05. Stock vehicle photo for illustration purposes only.
2021 GMC Sierra 3500HD Denali
- Used
- Diesel
Finance Terms
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The overview
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black
- Odometer
- 109,961 miles
- Body/Seating
- Truck/5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT49WEY6MF237006
- Stock Number
- HKG226
The highlights
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Premium audio system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
- Front dual zone A/C
The full specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front tires: 275/65SR20.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 275/65SR20.0E
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- Wheel size: 20"
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 8.0"
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Genuine wood console insert
- Genuine wood door panel insert
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Variable valve control
- Ground clearance (min): 284mm (11.2")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Door mirrors: chrome
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Tailpipe finisher: polished
- Trailer hitch receiver
- Trailer sway control
- Turn signal indicator mirrors
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,054mm (80.9")
- Exterior length: 6,349mm (249.9")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,037mm (158.9")
- Appearance: analog
- Auto high-beam headlights
- Blind spot: Lane Change Alert with Side Blind Zone Alert warning
- Compass
- Delay-off headlights
- Exterior parking camera cargo
- Exterior parking camera front: HD Surround Vision yes
- Exterior parking camera left: HD Surround Vision yes
- Exterior parking camera rear
- Exterior parking camera right: HD Surround Vision yes
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: UltraSonic front and rear
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross-Traffic Alert warning
- Security system
- Traction control
Notes from the dealer
Track your progress
Peace of mind
Optional add-on protection
- GAP Protection
- Lifetime Powertrain
- Tires and Wheels
- Paint Protection
A name you can trust
Neil Huffman Subaru is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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*While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with the dealer. Prices do not include tax, title, and license fees. All vehicles are subject to prior sale. Not responsible for typographical errors. Please contact us with any questions.




