2020 GMC Sierra 3500HD Denali

Specifications, live market data, colors, and factory features.

148 for sale right now

$28,900 – $79,760

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Specifications

401

Horsepower

464

lb-ft Torque

Seats

$65k

Base MSRP

Performance

Engine: 6.6L V-Shaped L5P - DI, DURAMAX, GEN 5 VAR. 1
Horsepower: 401 hp
Torque: 464 lb-ft
Transmission: 6-Speed Automatic
Drivetrain: 4WD

Fuel & Efficiency

Fuel: Diesel
Fuel Tank: 36 gal

Dimensions

Length: 266.1″
Width: 81.9″
Height: 80.9″
Wheelbase: 172″
Curb Weight: 7,064 lbs

Body & Practicality

Body Style: Truck
Doors: 4
Seating: 5
Base MSRP: $65,100

Colors

Factory colors on 2020 GMC Sierra 3500HD Denalis for sale now.

Exterior

Summit White(white)14
Onyx Black(black)10
White Frost Tricoat(white)8
Carbon Black Metallic(black)7
Red Quartz Tintcoat(red)7
Pacific Blue Metallic(blue)5
White Frost Tri-Coat(white)5
Dark Sky Metallic(blue)3
Quicksilver Metallic(silver)3
White2

Interior

Jet Black(black)56
Dark Walnut/Dark Ash Grey(black)5
Black4
Walnut(brown)3
Gray (Dark Walnut/Dark Ash Grey)(gray)1
Dark Walnut(gray)1
Dark Walnut/Dark Ash Gray(gray)1
BLACK1

Live Market Data

Computed from active 2020 GMC Sierra 3500HD Denali listings nationwide, updated continuously.

For sale now148

Median price$52,215

Average price$52,144

Price range$28,900 – $79,760

Median vs. MSRP−$12,885

Avg. days on market108

Avg. mileage93,383 mi

New / Used0 / 148

Price Distribution

Price vs. Mileage

Latest Denali Listings

The newest 2020 GMC Sierra 3500HD Denalis on the market.

View all 148 →

Used 2020 GMC Sierra 3500HD

Denali

$43,000

142,345 mi

Est. $626/mo*

3 days at this dealer

Summit WhiteJet Black

Parks Chevrolet Kernersville

Kernersville, NC

Used 2020 GMC Sierra 3500HD

Denali

$51,419

85,739 mi

Est. $746/mo*

3 days at this dealer

BlackBlack

City Automall

Columbia City, IN

Used 2020 GMC Sierra 3500HD

Denali

$46,489

136,486 mi

Est. $676/mo*

3 days at this dealer

BlackBlack

G & M Auto Sales

Front Royal, VA

Used 2020 GMC Sierra 3500HD

Denali

$53,220

80,917 mi

Est. $772/mo*

3 days at this dealer

SilverBlack

Freedom Buick GMC by Ed Morse

Greenville, TX

Used 2020 GMC Sierra 3500HD

Denali

$48,100

112,927 mi

Est. $699/mo*

3 days at this dealer

BlackBlack

Platinum Motors PDX

Vancouver, WA

Used 2020 GMC Sierra 3500HD

Denali

$55,399

98,139 mi

Est. $803/mo*

3 days at this dealer

WhiteBlack

Apex Motorsports Inc.

Dickson, TN

Certified 2020 GMC Sierra 3500HD

Denali

$45,093

124,072 mi

Est. $656/mo*

3 days at this dealer

Onyx BlackJet Black

Jerry Seiner Buick GMC

South Jordan, UT

Used 2020 GMC Sierra 3500HD

Denali

$54,109

64,009 mi

Est. $784/mo*

3 days at this dealer

RedJet Black

Joe Myers Ford

Houston, TX

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The median 2020 GMC Sierra 3500HD Denali lists for $52,215 today.

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Factory Features

Standard equipment from the window sticker, reviewed for accuracy.

Comfort & Convenience

Dual-zone automatic climate control
Remote vehicle starter system
Keyless Open and Start (push-button start)
Universal Home Remote (garage door opener)
Wireless charging pad
Multiple USB ports (including instrument-panel ports; auxiliary input where equipped)
110/120-volt AC power outlet (interior)
12-volt auxiliary power outlets
Cruise control
One-touch up/down power windows
Driver memory settings (seat/mirrors where equipped)
Power-adjustable pedals (where included on Denali content)

Driver Assistance

High Definition Rear Vision Camera
Forward Collision Alert
Automatic Emergency Braking
Lane Departure Warning
Lane Change Alert with Side Blind Zone Alert
Rear Cross Traffic Alert
Following Distance Indicator
IntelliBeam auto high-beam headlamps
Front and Rear Park Assist
Safety Alert Seat (where equipped with listed active safety content)

Entertainment

Premium GMC Infotainment System with Navigation and 8-inch diagonal color touchscreen
Bose premium audio system with RichBass woofer (multi-speaker premium system)
Apple CarPlay and Android Auto compatibility
Bluetooth streaming audio and hands-free phone connectivity
HD Radio
SiriusXM-capable satellite radio (trial subscription where applicable)
4G LTE Wi-Fi hotspot capability (requires active service plan / data plan)
OnStar and GMC Connected Services capability (requires active plan where applicable)
In-vehicle apps including Trailering App and customizable user profiles

Exterior

Signature Denali large grille with functional hood scoop
Chrome vertical front recovery hooks
20-inch polished / multidimensional polished aluminum wheels (single rear wheel Denali, including 3500HD SRW)
High-intensity LED headlamps with LED daytime running lamps
LED taillamps
LED fog lamps
LED wheel-arch / wheel-molding arch lights
Cargo bed lamps
Chrome door handles and chrome mirror caps
Bright / stainless side-window surround
Power-folding, power-extending vertical trailering mirrors with heated upper glass, auto-dimming driver-side upper glass, integrated turn signals, perimeter lighting, puddle lamps, and auxiliary lighting
World’s First six-function GMC MultiPro tailgate (standard on SLT and included on Denali)
Spray-on bedliner with Denali logo (standard on Denali)
Side BedStep (integrated bed step)
CornerStep rear bumper with larger footwells
12 fixed cargo bed tie-downs (rated 500 lbs per corner)
6-inch chrome rectangular assist steps
Roof marker lamps
Power-sliding rear window
Rear-window defogger
Deep-tinted glass
Locking tailgate with remote/power release

Interior

Perforated Forge leather-appointed seating
Authentic open-pore ash wood trim
Brushed aluminum and chrome interior accents
Front heated and ventilated 10-way power seats with power lumbar
Heated rear outboard seats
Front bucket seats with center console
60/40 split-folding rear bench with rear seatback storage
Heated, leather-wrapped steering wheel with audio and cruise controls
Manual tilt and telescoping steering column
8-inch diagonal digital Driver Information Center
Carpeted flooring with front floor mats
Auto-dimming inside rearview mirror
Dual illuminating vanity mirrors
Rear air vents (Crew Cab)
Assist handles (front A-pillar and rear B-pillar)

Mechanical & Performance

6.6L V8 gasoline engine with Direct Injection and Variable Valve Timing (401 hp @ 5200 rpm, 464 lb-ft @ 4000 rpm) — standard powertrain
6-speed heavy-duty automatic transmission (standard with gas engine)
4-wheel drive with electronic 2-speed AutoTrac transfer case (Denali)
Off-road suspension with Rancho shocks (Denali)
Skid plates (Denali)
Heavy-duty automatic locking rear differential
4-wheel antilock disc brakes with Duralife rotors
Electric parking brake
Independent short/long-arm front suspension; multi-leaf rear suspension
Fully boxed ladder-type frame with high-strength steel cross-members
External engine oil cooler and auxiliary external transmission oil cooler
Heavy-duty battery (720 cold-cranking amps / 80 Amp-hr with gas engine)
170-amp alternator (with standard gas engine)
Capless fuel fill (gas engine)
StabiliTrak electronic stability control with Proactive Roll Avoidance, traction control, electronic trailer sway control, and Hill Start Assist
Tow/Haul mode
Integrated trailer brake controller
ProGrade Trailering System with in-vehicle Trailering App
Conventional trailer hitch with 7-pin and 4-pin connectors
Hitch Guidance
Trailering Information Label

Safety & Security

Dual-stage frontal airbags for driver and front outboard passenger
Seat-mounted side-impact airbags for driver and front outboard passenger
Head-curtain airbags for front and rear outboard seating positions
Front outboard Passenger Sensing System
Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare)
LATCH child seat anchor system
Teen Driver configurable feature
Remote keyless entry
Power door locks
Immobilizer / theft-deterrent system

Warranty

3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
5-year / 60,000-mile transferable Powertrain Limited Warranty (gas)
5-year / 100,000-mile transferable Powertrain Limited Warranty when equipped with 6.6L Duramax turbo-diesel
6-year / 100,000-mile rust-through corrosion coverage
24/7 Roadside Assistance and Courtesy Transportation for the duration of the Powertrain Limited Warranty