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O'Meara GMC · Thornton, CO

2026 GMC Sierra 3500 HD Denali

4,121 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
TrimDenali
Stock numberWP8683
Mileage4,121 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorSummit White
InteriorJet Black, Forge Perforated Leather seating surfac
Doors4

Vehicle description

CARFAX 1-Owner, Superb Condition. Summit White exterior and Jet Black interior, Denali trim. Serviced here. KEY FEATURES INCLUDE Leather Seats, Navigation, Heated Rear Seat, Back-Up Camera, Running Boards, Satellite Radio, iPod/MP3 Input, Onboard Communications System, Dual Zone A/C, Cross-Traffic Alert MP3 Player, Privacy Glass, Keyless Entry, Steering Wheel Controls. GMC Denali with Summit White exterior and Jet Black interior features a 8 Cylinder Engine with 470 HP at 2800 RPM*. OPTION PACKAGES ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE: (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), DENALI RESERVE PACKAGE: includes (CWM) Technology Package and (CF5) power sunroof, GOOSENECK / 5TH WHEEL PREP PACKAGE: - Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). DENALI PREFERRED EQUIPMENT GROUP: includes standard equipment, GVWR, 12,100 LBS. (5488 KG) WITH SINGLE REAR WHEELS, Bose Sound System, Premium 7-Speaker System With Richbass Woofer, Wireless Phone Projection For Apple CarPlay® And Android Auto®, Seating, Heated Driver And Front Outboard Passenger, Seats, Ventilated Driver And Front Passenger, Steering Wheel, Wrapped, Wheels, 20" (50.8 Cm) Ultra-Bright Machined Wheels With Bright Chrome Inserts With Black Painted Pockets (Requires Single Rear Wheels.), Gmc Premium Information Display- 13.4" Diagonal Multicolor Touch Screen, Window, Power Front, Drivers Express Up/Down, Window, Power Front, Passenger Express Up/Down, Remote Vehicle Starter System, Adaptive Cruise Control, Wireless Charging, Four Wheel Drive, Steering Wheel, Heated. EXCELLENT VALUE Reduced from $83,553. PURCHASE WITH CONFIDENCE CARFAX 1-Owner Pricing analysis performed on 11/2/2026.

Features & options (144)

  • Max seating capacity
  • Fuel System
  • Fuel tank capacity
  • Horsepower
  • Towing capacity
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • Bluetooth
  • Bose Premium Sound System
  • SiriusXM with 360L Trial Subscription
  • Wi-Fi Hotspot capable
  • Wireless phone projection
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • 20" LT275/65R20 all-terrain, blackwall tires
  • 20" Ultra-bright machined wheels with bright chrome inserts with Black painted pockets
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Body-color front bumper
  • Body-color rear bumper
  • Cargo bed LED lighting
  • Cargo tie-downs
  • Chrome door handles
  • Chrome mirror caps
  • CornerStep rear bumper
  • Deep-tinted glass
  • Front license plate bracket
  • GMC MultiPro Tailgate
  • IntelliBeam
  • LED fog lamps
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • Polished exhaust tip
  • Power sliding rear window with rear defogger
  • Power sunroof
  • Power-retractable assist steps with LED perimeter lighting
  • Rainsense automatic wipers
  • Rear wheelhouse liners
  • Side Bed Step
  • Smoked Amber LED roof marker lamps
  • Spare tire carrier lock
  • Spray-on bedliner
  • Stainless-steel beltline moldings
  • Tailgate and bed rail protection caps
  • Tailgate with EZ Lift assist, power lock & release
  • Winter Grille Cover
  • 12-way power driver seat
  • 12-way power front passenger seat
  • 12.3" diagonal color Driver Information Center
  • 120-volt box-mounted power outlet
  • 120-volt power outlet
  • Adaptive Cruise Control
  • Assist handles
  • Carpeted floor covering
  • Compass
  • Driver memory
  • Dual-zone automatic climate control
  • Front bucket seats
  • Front carpeted floor mats
  • Front center console
  • Head-Up Display
  • Heated driver and front outboard passenger seats
  • Heated rear outboard seats
  • Heated steering wheel
  • In-Vehicle Trailering App
  • Keyless Open and Start
  • Manual tilt and telescoping steering column
  • Outside temperature display
  • Power door locks
  • Power windows with driver and front passenger express-up/down
  • Power windows with driver express-up/down
  • Power windows with rear express-down
  • Rear Camera Mirror
  • Rear air vents
  • Rear carpeted floor mats
  • Rear window defogger
  • Remote Start
  • Steering-wheel mounted controls
  • Theft-deterrent unauthorized entry system
  • USB ports
  • Universal Home Remote
  • Up-level rear seat with storage package
  • Ventilated driver and front passenger seats
  • Wireless Charging
  • Wrapped steering wheel
  • 10-speed automatic transmission
  • 12,100 lbs. GVWR
  • 220-amp alternator
  • 3.42 rear axle ratio
  • 4-wheel antilock disc brakes
  • 6.6L Duramax Turbo-Diesel V8 engine
  • Air filtration monitoring
  • Automatic locking rear differential
  • Autotrac 2-speed transfer case with push button controls
  • Brake pad wear indicator
  • Capped fuel fill
  • Chrome vertical recovery hooks
  • Diesel exhaust brake
  • Digital Variable Steering Assist
  • Engine block heater
  • External auxiliary transmission oil cooler
  • External engine oil cooler
  • Fully boxed frame
  • Gooseneck / 5th Wheel Prep Package
  • Heavy-Duty Air Filter
  • Heavy-duty 730 cold-cranking amps battery
  • High idle switch
  • Integrated trailer brake controller
  • Off-Road suspension
  • Pickup bed
  • Push Button Start
  • Skid plates
  • 3 Years OnStar One
  • Trailering Information Label
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • 6 airbags
  • Bed View Camera
  • Buckle to Drive
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front and Rear Park Assist
  • HD Surround Vision
  • Hitch Guidance
  • Hitch View
  • Lane Departure Warning
  • OnStar Basics
  • OnStar services capable
  • Rear Cross Traffic Alert
  • Rear Seat Belt Indicator
  • Rear Seat Reminder
  • Safety Alert Seat
  • Seat Belt Adjustable Guide Loops
  • Teen Driver
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Trailer Side Blind Zone Alert
  • Trailering camera provisions
  • Automatic Emergency Braking
  • Hill Descent Control
  • StabiliTrak, electronic stability control system with traction control
  • Denali Reserve Package
  • ProGrade Trailering System
  • Sierra HD Pro Safety
  • Technology Package
  • Trailering Package
  • X31 Off-Road Package

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 250 miles of Thornton, Colorado
Asking price$88,998Dealer asking price · 4,121 mi
Market value$73,166Market value · based on 3 comparable cars
vs. market High price+21.6%High price · based on 3 comparable cars

Where this price sits

Among the highest-priced · 0% of 3 similar listings ask more than this car.

$70,726lowest$88,998highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+21.6%
−25%Market value+25%
High price$15,832 above the market value of $73,166

Price range

$88,998
$70,726$88,998
4th lowest price of 4 similar listings within 250 milesTick marks the market value · range of 3 similar listings

AutosXchange Insights

  • Compared with 3 used 2025 GMC Sierra 3500 Denali listings within 250 mi.
  • Priced $15,832 above the market value of 3 comparable cars — compare options, condition and history.
  • 4th lowest price of 4 similar listings within 250 miles.
  • Has about 25,000 fewer miles than similar listings.
  • About 4,121 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # WP8683 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 9, 2026. No price change at this dealership since Nov 9 ($88,998).

$88.7k$88.8k$88.9k$89.0k$89.1k$89.2kNov 9Nov 10Nov 11Nov 12Nov 13Nov 13

AutosXchange Intel Hub: Price changes for this model in Colorado · This model in the Intel Hub · Market movers in Colorado

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 13); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2025 Sierra 3500 Denali · used · any miles · within 250 miles of Thornton, Colorado. All 3 comparable cars for sale, nearest first.

More GMC Sierra 3500 near Thornton

All years and trims. Nearest first.