Onyx Black 2021 GMC Yukon Denali 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8
Plus TT&L. Prices include $225 dealer doc fee.
Pre-Owned 2021 GMCYukon Denali
- Exterior Color
- Onyx Black
- Interior Color
- Dark Walnut/Very Dark Ash Gray
- Odometer
- 84,261 miles
- Fuel Economy
- 14/19 MPG City/Hwy
- Transmission
- Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GKS2DKL6MR255355
- Stock Number
- MR255355A
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Power moonroof
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
Included Packages & Accessories
- Engine: 6.2L EcoTec3 V8
- Transmission: Electronic 10-Speed Automatic w/OD
- Advanced Technology Package
- Adaptive Cruise Control
- Enhanced Automatic Emergency Braking
- Inside Rearview Auto-Dimming Rear Camera Mirror
- Rear Camera Mirror Washer
- Advanced Security Package
- Theft-Deterrent Alarm System
- Vehicle Interior Movement Sensor
- Vehicle Inclination Sensor
- Glass Breakage Sensor
- Radio: AM/FM/SiriusXM w/Navigation
- Bose 14-Speaker Surround w/CenterPoint
- SiriusXM w/360L
- HD Radio
- Denali Premium Package
- Dual-Pane Panoramic Power Sunroof
- Power-Retractable Assist Steps
- Wheels: 22" x 9" Bright Machined Aluminum
- Tires: 275/50R22SL AS BW
- Wheel Locks
Detailed Specifications
- 1-touch down
- 1-touch up
- Adaptive Cruise Control: Adaptive Cruise Control
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar Guidance
- Front beverage holders
- Front dual zone A/C
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Moonroof sunshade: power
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power moonroof
- Power windows
- Proximity key: doors and push button start
- Rear air conditioning
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Steering wheel memory
- Telescoping steering wheel
- Tilt steering wheel
- Trunk/hatch auto-latch
- Adaptive suspension
- Alloy wheels
- Four wheel independent suspension
- Front anti-roll bar
- Power steering
- Rear anti-roll bar
- Speed-sensing steering
- Wheel size: 22"
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Primary LCD size: 10.2"
- Smart device integration: Android Auto/Apple CarPlay
- Speaker type: Bose
- Speakers: 14
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- 3rd row seats: split-bench
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather upholstery
- Power 4-way driver lumbar support
- Power 4-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seats Folding position: tumble forward
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Cylinder deactivation
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 14mpg
- Fuel economy combined: 16mpg
- Fuel economy highway: 19mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto: Driver Shift Control
- Mode select transmission
- Standard fuel economy fuel type: gasoline
- Transmission: 10 speed automatic
- Variable valve control
- Approach angle: 25 deg
- Departure angle: 21 deg
- Ground clearance (min): 203mm (8.0")
- Ramp breakover angle: 19 deg
- Auto-dimming door mirrors
- Bodyside moldings
- Bumpers: body-color
- Door mirrors: body-color
- Heated door mirrors
- Power door mirrors
- Power liftgate
- Rear cargo: power liftgate
- Spoiler
- Tailpipe finisher: polished
- Trailer hitch receiver
- Trailer sway control
- Turn signal indicator mirrors
- 3rd row headroom: 970mm (38.2")
- 3rd row hiproom: 1,255mm (49.4")
- 3rd row legroom: 886mm (34.9")
- 3rd row shoulder room: 1,593mm (62.7")
- Exterior body width: 2,057mm (81.0")
- Exterior height: 1,943mm (76.5")
- Exterior length: 5,334mm (210.0")
- Front headroom: 1,026mm (40.4")
- Front hiproom: 1,562mm (61.5")
- Front legroom: 1,130mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Interior maximum rear cargo volume: 3,480 L (123 cu.ft.)
- Interior rear cargo volume: 722 L (26 cu.ft.)
- Rear headroom: 953mm (37.5")
- Rear hiproom: 1,557mm (61.3")
- Rear legroom: 1,067mm (42.0")
- Rear shoulder room: 1,646mm (64.8")
- Turning radius: 6.1m (19.8')
- Wheelbase: 3,071mm (120.9")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Lane Change Alert with Side Blind Zone Alert warning
- Compass
- Delay-off headlights
- 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
- Heads up display
- Lane departure: Lane Keep Assist with Lane Departure Warning active
- Low tire pressure warning
- Outside temperature display
- Parking sensors: Front and Rear Park Assist front and rear
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Rear window wiper
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Adjustable head restraints: driver and passenger w/tilt
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Enhanced Automatic Emergency Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross-Traffic Alert warning
- Security system
- Tracker system
- Traction control
Standard Features
- Advanced Technology Package
- Dual-Pane Panoramic Power Sunroof
- Power-Retractable Assist Steps
- Wheels: 22" x 9" Bright Machined Aluminum
- Tires: 275/50R22SL AS BW
- Wheel Locks
- Adaptive Cruise Control
- Enhanced Automatic Emergency Braking
- Inside Rearview Auto-Dimming Rear Camera Mirror
- Rear Camera Mirror Washer
- Advanced Security Package
- Theft-Deterrent Alarm System
- Vehicle Interior Movement Sensor
- Vehicle Inclination Sensor
- Glass Breakage Sensor
- Bose 14-Speaker Surround w/CenterPoint
- SiriusXM w/360L
- HD Radio
Dealer Notes
KBB.com Consumer Reviews
- 5.0
Excellent Machine, Safety Features are Excessive
By BenInKentucky on 7/14/2026 10:14:58 PM
First, get the diesel. This is our 3rd diesel Yukon and they are amazing. Great mileage, great resale value, plenty of horse power, and the range for one tank of fuel can be very convenient on long road trips. The extra room in the XL model is also convenient for luggage if you have a large family and enjoy the ability to see out the back windows. The 10 speed transmission is smooth and it will glide down the interstate at any speed with ease at very low engine RPM. The only real downside to this vehicle are the overbearing safety features. If I look over at the navigation screen it vibrates the seat and tells me I am distracted. The auto-cruise (self-driving) feature will randomly hit the breaks in the middle of the highway. The backup camera will slam on the breaks if it sees any movement behind the vehicle even if it is way out of range. The back hatch opens automatically if you walk past it with the key in your pocket. If I lean too far on to the center console it will vibrate the seat and tell me I am distracted. We use this vehicle on the farm and there is no way to disable the seat belt alarm. We spent about an hour going through all of the settings and were able to disable most of the annoying features. I find putting a business card in front of the camera that looks at my face cures many of these frustrations and I may opt for a more permanent piece of black electrical tape that will blend in seamlessly. The auto stop feature is also frustrating but like the EPA gas cans I believe most of America is dealing with this frustration and it is not limited to this vehicle. Overall, we love the vehicle and will buy another one. - 5.0
No Problems Yet
By CoachTroy72 on 6/17/2026 11:26:04 PM
I got my 26 Yukon Denali SUV with 3 miles on it. Got to 308 and had engine knock. Took it to Classic GMC, they had it a week. Flushed out the engine debris, no knocking. Also they changed the oil. Not from 0-20w to 40w, but just changed it with the same OEM AC Delco standard Dexos, no more knocking. Now at 1238 miles havent had any issues. Actually getting 22.3 MPG! For a truck that is 17 city 20 Hwy.. - 5.0
Love everything about my Elevation, except…
By Carol Ann on 6/3/2026 5:57:12 PM
This truck has excellent get up and go power, great traction control and steering, with an impressive turning radius, love the large dash display screen, sleek design inside and out, and the suspension makes for comfortable long highway and city driving. Surrounded in cool luxury, state of the art sound system while feeling like a VIP in my classy black FBI looking whip.
*Plus TT&L. Prices include $225 dealer doc fee.
Used
2021 GMC Yukon SUV Denali
Exterior Color: Onyx Black
Interior Color: Dark Walnut/Very Dark Ash Gray
Vin Number: 1GKS2DKL6MR255355
Stock: MR255355A
View this 2021 GMC Yukon SUV Denali for sale at Kia of Round Rock.
