2026 GMC Sierra 3500 Denali

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

464 for sale right now

$70,575 – $107,890

View Listings

Specifications

Seats

$76k

Base MSRP

Performance

Engine: 6.6L V8 L5P
Transmission: 10-Speed Automatic
Drivetrain: 4WD

Fuel & Efficiency

Fuel: Diesel
Fuel Tank: 36 gal

Dimensions

Length: 266.8″
Width: 81.9″
Height: 80.7″
Wheelbase: 172″
Curb Weight: 7,244 lbs

Body & Practicality

Body Style: Truck
Doors: 4
Seating: 5
Base MSRP: $76,100

Colors

Factory colors on 2026 GMC Sierra 3500 Denalis for sale now.

Exterior

Onyx Black(black)70
Summit White(white)33
Glacier White Tricoat(white)27
Glacier White(white)21
Sterling Metallic(silver)21
Downpour Metallic(blue)19
Sterling(silver)13
Metallic(blue)10
Titanium Rush Metallic(silver)9
Black6

Interior

Jet Black(black)132
Atmosphere/Brownstone(brown)42
Black(blue)34
Atmosphere(brown)22
Black Leather(black)3
Jet Black, Forge Perforated Leather seating surfaces(black)1
Jet Black, Forge Perforated Leather Seating Surfac1
H2x1
H2x Jet Black(black)1
H241

Live Market Data

Computed from active 2026 GMC Sierra 3500 Denali listings nationwide, updated continuously.

For sale now464

Median price$89,129

Average price$88,132

Price range$70,575 – $107,890

Median vs. MSRP+$13,029

Avg. days on market41

Avg. mileage783 mi

New / Used423 / 41

Price Distribution

Price vs. Mileage

Latest Denali Listings

The newest 2026 GMC Sierra 3500 Denalis on the market.

View all 464 →

New 2026 GMC Sierra 3500

Denali

$93,898

MSRP: $96,2002.4% off

0 mi

Est. $1,352/mo*

1 day on market

Performance Buick GMC

Cedar Knolls, NJ

New 2026 GMC Sierra 3500

Denali

$92,129

0 mi

Est. $1,326/mo*

1 day on market

SilverBlack

Fox GMC

Comstock Park, MI

New 2026 GMC Sierra 3500

Denali

$88,603

MSRP: $93,9205.7% off

0 mi

Est. $1,276/mo*

1 day on market

BlackBlack

Vernon Ford

Vernon, TX

New 2026 GMC Sierra 3500

Denali

$89,161

MSRP: $94,5205.7% off

0 mi

Est. $1,284/mo*

1 day on market

WhiteBrown

Vernon Ford

Vernon, TX

New 2026 GMC Sierra 3500

Denali

$90,537

MSRP: $92,9392.6% off

0 mi

Est. $1,304/mo*

1 day on market

Brown

Rossi Chevrolet GMC

Washington, NJ

Used 2026 GMC Sierra 3500

Denali

$96,442

16,691 mi

Est. $1,388/mo*

1 day on market

BlackBrown

Germain Ford of Beavercreek

Beavercreek, OH

New 2026 GMC Sierra 3500

Denali

$92,139

1 mi

Est. $1,326/mo*

1 day on market

SilverBrown

Hobson Chevrolet Buick GMC

Martinsville, IN

New 2026 GMC Sierra 3500

Denali

$82,208

MSRP: $92,56011.2% off

1 mi

Est. $1,185/mo*

1 day on market

WhiteBlue

Northtown Automotive

Yankton, SD

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The median 2026 GMC Sierra 3500 Denali lists for $89,129 today.

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Factory Features

Standard equipment from the window sticker, reviewed for accuracy.

Comfort & Convenience

Keyless Open and Start (remote keyless entry)
Remote start
Wireless phone charging
Dual-zone automatic climate control
Power windows (driver/front passenger express up/down)
Rear window defogger
Power door locks
Rainsense automatic windshield wipers
Deep-tinted glass
Universal Home Remote
Manual tilt and telescoping steering column
Steering-wheel-mounted controls

Driver Assistance

IntelliBeam automatic high beams
Lane Departure Warning
ProGrade trailering tech including Hitch Guidance with Hitch View

Entertainment

13.4" diagonal Premium GMC Infotainment System with Google built-in compatibility and navigation
Wireless Apple CarPlay and wireless Android Auto for compatible phones
Bose Premium sound system
Bluetooth connectivity and streaming audio
SiriusXM audio with trial subscription
8 years OnStar Basics
3 years OnStar One

Exterior

20" Ultra-Bright machined aluminum wheels with bright chrome inserts
Signature Chrome Denali grille
Chrome assist steps
Power fold/extend and heated trailering mirrors with auto-dimming
LED fog lamps
Chrome front recovery hooks
Spray-on bedliner
LED cargo area lighting
Power rear sliding window
GMC MultiPro six-function tailgate
Animated LED projector headlamps with LED turn signals and daytime running lamps
Animated LED signature tail lamps

Interior

Forge perforated leather seating surfaces
Denali-exclusive authentic wood and patterned aluminum trim
12-way power front bucket seats
Ventilated front seats
Heated front and rear outer seats
60/40 rear folding bench seat with storage package
Driver seat and mirror memory
12.3" diagonal multicolor Driver Information Center
Wrapped and heated steering wheel

Mechanical & Performance

6.6L gas V8 engine (401 hp / 464 lb-ft) — standard powertrain; Duramax 6.6L turbo-diesel is optional
Allison 10-speed automatic transmission
4WD with Autotrac 2-speed transfer case
Auto-locking rear differential
StabiliTrak electronic stability control with Trailer Sway Control and Hill Start Assist
Digital Variable Steering Assist
All-terrain tires
Factory Trailering Package (including hitch platform with 2.5" receiver and 4-/7-pin connectors)
Integrated trailer brake controller
In-vehicle Trailering App

Safety & Security

Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Automatic Emergency Braking
Buckle to Drive
HD Surround Vision
Front and rear park assist
Trailer Side Blind Zone Alert
Rear Cross Traffic Alert
Safety Alert Seat
Bed View Camera

Warranty

3 years / 36,000 miles bumper-to-bumper limited warranty
5 years / 100,000 miles powertrain limited warranty (as listed on factory Monroney for this model)
Roadside Assistance and Courtesy Transportation (matching powertrain term on Monroney)
First maintenance visit covered