REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
White's Frontier Motors · Gillette, WY

2021 GMC Yukon XL Denali

71,873 miles · suv

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelYukon XL
TrimXL Denali
Stock numberC26378A
Mileage71,873 miles
BodySport Utility Vehicle [SUV]
Engine6.2L V8
Cylinders8
Displacement6.2L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
MPG13 city / 19 hwy
ExteriorDark Sky Metallic
Interior(1St And 2Nd Rows Only.)
Doors4

Vehicle description

Equipment The 2021 Yukon XL Denali delivers one of GMC’s most premium expressions of full‑size SUV comfort, capability, and presence. As the extended‑length version, the XL adds even more cargo room and third‑row space, while the Denali trim layers in upscale materials, advanced technology, and a commanding design that fits daily driving around Gillette as well as long‑distance family travel. Inside, the Denali XL offers a spacious, high‑end cabin with intuitive tech, supportive seating, and a clean, organized layout. Premium materials, Denali‑specific trim, and thoughtful design details elevate the interior beyond the standard trims. The extended wheelbase provides exceptional room for passengers and gear, making it ideal for road trips, hauling, or everyday versatility. On the outside, the Denali highlights the Yukon XL’s bold, squared‑off styling with distinctive chrome accents, a signature grille, and a confident stance. Its full‑size proportions support towing, hauling, and flexible day‑to‑day needs while maintaining the upscale look that defines the Denali nameplate. A standout choice for drivers seeking a luxurious, spacious GMC SUV with strong capability and a premium road presence. Packages Premium Capability Package with Active Response 4WD: Electronic Limited Slip Differential (eLSD); Air Ride Adaptive Suspension. Max Trailering Package: Extra Capacity Cooling System. ProGrade Trailering System: Trailer Side Blind Zone Alert; In-Vehicle Trailering App; Integrated Trailer Brake Controller; Hitch Guidance with Hitch View. Advanced Technology Package: Rear Camera Mirror Washer; Enhanced Automatic Emergency Braking; Inside Rearview Auo-Dimming Rear Camera Mirror; Adaptive Cruise Control. Advanced Security Package: Theft-Deterrent Alarm System; Vehicle Interior Movement Sensor; Vehicle Inclination Sensor; Glass Breakage Sensor. Denali Ultimate Package: Dual-Pane Panoramic Power Sunroof; 22" X 9" Bright Machined Aluminum Wheels; Rear Seat Media System; Power-Retractable Assist Steps. Preferred Equipment Group 5SA: Bright Front and Rear Door Sill Plates; 2 Presets For Outside Rearview Mirrors; 12-Way Power Seat Adjusters; 3rd Row 60/40 Power-Folding Split-Bench Seat; Safety Alert Seat; Chrome Door Handles with Body-Color Strip; Hill Descent Control; 6.2L EcoTec3 V8 Engine; Heated Automatic Steering Wheel; Heated Driver and Front Passenger Seats; Universal Home Remote; Heated 2nd Row Outboard Position Seats; Hands-Free Power Programmable Rear Liftgate; 2-Speed Electronic Autotrac Active Transfer Case; GMC Pro Safety Plus; Dual Exhaust System; AM/FM/SiriusXM Radio with Navigation; HD Surround Vision; Heated and Ventilated Driver and Front Passenger Seats; Power Tilt and Telescopic Steering Column; 15" Diagonal Multi-Color Head-Up Display; Rear Pedestrian Alert; Magnetic Ride Control Suspension; Inside Rearview Auto-Dimming Mirror; Power Release 2nd Row Bucket Seats; Outside Heated Power-Adjustable Mirrors; Galvano Bodyside Moldings. Rear Seat Media System. 22" X 9" Bright Machined Aluminum Wheels. Power-Retractable Assist Steps. Dual-Pane Panoramic Power Sunroof. Air Ride Adaptive Suspension. Dark Sky Metallic. Dark Sky Metallic. Floor Console. Wheel Locks. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

Features & options (123)

  • Adaptive Cruise Control
  • Heated Steering Wheel
  • Remote Start
  • 3rd Row Seating
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Heated Seats
  • Keyless Entry
  • Keyless Ignition System
  • Leather Seats
  • Power Tailgate/Liftgate
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Blind Spot Monitor
  • Navigation System
  • Rear View Camera
  • Satellite Radio
  • Tow Hitch/Tow Package
  • Entertainment System
  • Rear head restraint control : 2 rear seat head restraints
  • Third-row head restraint number : 2 third-row head restraints
  • Individual driver and front passenger seats provide generous room and comfort.
  • Floor mats protect the vehicle floor covering from dirt and wear and can easily be removed for cleaning.
  • Rear seatback upholstery : Carpet rear seatback upholstery
  • Third-row seatback upholstery : Carpet third-row seatback upholstery
  • Interior accents : Chrome and metal-look interior accents
  • Headliner material : Cloth headliner material
  • Rear head restraints : Fixed rear head restraints
  • Second-row seats fixed or removable : Fixed second-row seats
  • Third-row head restraints : Fixed third-row head restraints
  • Third-row seat fixed or removable : Fixed third-row seats
  • Third-row seat facing : Front facing third-row seat
  • Carpet flooring enhances the interior appearance and provides an added layer of sound insulation.
  • Full coverage flooring enhances the interior appearance and provides an added layer of sound insulation.
  • Headliner coverage : Full headliner coverage
  • Keep it clean. Leather third-row seat upholstery resists spills, cleans easily and makes a stylish interior.
  • Your driving glove. A leather wrapped steering wheel brings the touch of luxury to your drive.
  • This provides an attractive appearance with the look of leather.
  • Front seatback upholstery : Leatherette front seatback upholstery
  • Front head restraint control : Manual front seat head restraint control
  • This feature provides increased comfort for rear seat passengers.
  • Manual rear seat adjustment aids passenger comfort.
  • Bench seats : Third-row split-bench seat
  • Onboard power supply (kW) : 0.400 kW
  • Number of beverage holders : 10 beverage holders
  • Covering the floor with carpet provides a quality appearance and added durability.
  • Passenger doors rear left : Conventional left rear passenger door
  • Passenger doors rear right : Conventional right rear passenger door
  • Clock : Digital clock
  • This feature helps to keep the driver informed about the status of systems on the vehicle.
  • The addition of a visor mirror increases the functionality of the visor.
  • Rear windshield : Fixed rear windshield
  • Third-row windows : Fixed third-row windows
  • Beverage holders prevent spills and free the driver's hands, which increases safe operation of the vehicle.
  • Rear seat direction : Front facing rear seat
  • Oil pressure gauge
  • Oil pressure warning
  • Covering these areas with plastic provides a quality appearance and added durability.
  • This makes it easier to read in low light conditions.
  • This feature helps to remove frost/ice/snow for increased visibility.
  • Speedometer : Redundant digital speedometer
  • Floor console : Sliding floor console
  • Smart device remote start
  • Tachometer
  • A trip odometer is useful for keeping track of distance traveled during a trip or between fill-ups.
  • The variable intermittent setting allows the wipers to be adjusted based on the amount of moisture the vehicle is driving through.
  • Voltmeter
  • Number of doors : 4 doors
  • Protects the exterior surface of the side of the vehicle from scratches, abrasions and incidental contact.
  • Bumper rub strip rear : Black rear bumper rub strip
  • Door mirror style : Body-colored door mirrors
  • Bumpers front : Body-colored front bumper
  • Bumpers rear : Body-colored rear bumper
  • Door handle material : Chrome door handles
  • Vehicle to trailer hitching assist : Hitch Guidance with Hitch View vehicle to trailer hitching assist
  • Bumper insert : Metal-look front and rear bumper inserts
  • Bumper rub strip front : Metal-look front bumper rub strip
  • Grille style : Metal-look grille
  • Window Trim : Metal-look side window trim
  • Special paint : Monotone paint
  • Roof rails
  • Door mirror type : Standard style side mirrors
  • Fuel economy (city/highway/combined) : 14/19/16 MPG
  • This helps reduce exhaust pollutants, thereby contributing to a cleaner environment.
  • Emissions tiers : Tier 2 Bin 5 emissions
  • Primary display size : 10.2 inch primary display
  • Second-row display size : 12.6 inch second-row display
  • Speakers number : 14 speakers
  • Headphones number : 2 headphones
  • Satellite trial : 3 month satellite trial subscription
  • Radio : AM/FM/SiriusXM with 360Lsatellite
  • This stereo system offers noticeably improved fidelity and listening satisfaction compared to a non-amplified audio system.
  • Seek scan
  • Valves per cylinder : 2
  • Horsepower : 420 HP @5600 RPM
  • Displacement liters : 6.2 L
  • The alternator maintains the battery charge and supplies electrical power for the ignition system and accessory equipment.
  • Aluminum construction is lightweight, providing weight savings that contribute to better handling and fuel economy.
  • A heavy-duty radiator provides increased capacity for extreme operating conditions, such as severe weather and towing.
  • Powertrain type : ICE
  • Battery type : Lead acid battery
  • Rack-and-pinion steering responds quickly to driver input and provides good road feel.
  • A regular ride suspension satisfies the desire of most drivers for a compliant, quiet ride.
  • Two-Speed Transfer Case
  • Seatbelt pretensioners number : 2 seatbelt pre-tensioners
  • Gauge cluster display size (inches) : Gauge cluster display size: 10.20
  • This safety feature is more easily visible to following drivers and helps them react quicker to a slowing or stopped vehicle.
  • This convenience feature makes it easier to find the ignition at night.
  • This headlamp layout provides improved lighting due to the dedicated task assigned to each bulb.
  • Rear pedestrian detection : Rear Pedestrian Alert rear pedestrian detection warning
  • Perimeter approach lighting : Remote activated perimeter approach lighting with puddle lights
  • Smart device integration : Apple CarPlay/Android Auto smart device wireless mirroring
  • Mobile app access : MyGMC Mobile App mobile app access
  • DriveType: Four Wheel Drive
  • City: 13 MPG
  • Hwy: 19 MPG
  • Combined: 16 MPG
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 28 gal
  • Fuel Type: Gasoline Fuel
  • Horse Power: - TBD -
  • Rear Wheel: Single

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 100 miles of Gillette, Wyoming
Asking price$46,594Dealer asking price · 71,873 mi
Market value$38,055Market value · based on 3 comparable cars
vs. market High price+22.4%High price · based on 3 comparable cars

Where this price sits

In the typical middle range · 33% of 3 similar listings ask more than this car.

$35,355lowest$47,294highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+22.4%
−25%Market value+25%
High price$8,539 above the market value of $38,055

Price range

$46,594
$35,355$47,294
3rd lowest price of 4 similar listings within 100 milesTick marks the market value · range of 3 similar listings

AutosXchange Insights

  • Compared with 3 used 2021–2022 GMC Yukon XL Denali listings within 100 mi.
  • Priced $8,539 above the market value of 3 comparable cars — compare options, condition and history.
  • 3rd lowest price of 4 similar listings within 100 miles.
  • Has about 52,000 fewer miles than similar listings.
  • About 11,979 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # C26378A — 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 14, 2026. No price change at this dealership since Nov 14 ($46,594).

$46.3k$46.4k$46.5k$46.6k$46.7k$46.8kNov 13Nov 14

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 14); 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 2021–2022 Yukon XL Denali · used · any miles · within 100 miles of Gillette, Wyoming. All 3 comparable cars for sale, nearest first.

More GMC Yukon near Gillette

All years and trims. Nearest first.