REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Johnson Auto Plaza · Brighton, CO

2021 GMC Sierra 2500 HD Denali

2021 GMC Sierra 2500 HD Denali 4x4

19,013 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 2500 HD
TrimDenali
VIN
Stock numberG623913A
Mileage19,013 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
Transmission10-Speed Automatic
Drivetrain4WD
FuelDiesel
ExteriorWhite Frost Tricoat
InteriorJet Black
Doors4

Vehicle description

This 2021 GMC Sierra 2500HD Denali Crew Cab is a commanding presence with the legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission. Finished in White Frost Tricoat with a richly appointed Jet Black leather interior, this 4WD powerhouse combines rugged capability with upscale comfort. With just over 19,000 miles, it represents minimal use and exceptional value for serious truck buyers. - Power sunroof and premium GMC infotainment system with navigation - Heated and ventilated front bucket seats with power adjustment and lumbar support - Gooseneck/5th wheel prep package with integrated trailering system - Bed view camera with trailer camera provisions and HD surround vision - Lane departure warning, forward collision alert, and automatic emergency braking - Bose premium audio system with SiriusXM satellite radio and Apple CarPlay/Android Auto - Wireless charging and 4G LTE Wi-Fi hotspot capability - Alloy 20-inch polished aluminum wheels with spray-on bed liner - Blind spot monitoring with lane change alert and rear cross-traffic alert - Engine block heater and off-road suspension package with hill descent control This Sierra is CarBravo certified, giving you added confidence in its quality and condition. Come see this exceptional diesel truck and experience the capability, comfort, and technology that make the Sierra 2500HD Denali a premier choice for work or weekend adventures.

Features & options (142)

  • 1-touch down
  • 1-touch up
  • Air conditioning
  • Auto-dimming rearview mirror
  • Automatic temperature control
  • Driver door bin
  • Driver vanity mirror
  • Front beverage holders
  • Front dual zone A/C
  • Garage door transmitter
  • Heated steering wheel
  • Illuminated entry
  • Memory seat
  • Navigation system
  • Overhead console
  • Passenger door bin
  • Passenger vanity mirror
  • Power windows
  • Proximity key
  • Rear beverage holders
  • Rear door bins
  • Remote engine start
  • Remote keyless entry
  • Speed control
  • Telescoping steering wheel
  • Tilt steering wheel
  • Alloy wheels
  • Front anti-roll bar
  • Front tires
  • Front wheel independent suspension
  • Power steering
  • Rear tires
  • Single rear wheels
  • Speed-sensing steering
  • Tires
  • Wheel size
  • 1st row LCD monitors
  • AM/FM radio
  • Premium audio system
  • Primary LCD size
  • Smart device integration
  • Speaker type
  • Speakers
  • Steering wheel mounted audio controls
  • Wireless phone connectivity
  • Front center armrest
  • Front seats
  • Genuine wood console insert
  • Genuine wood door panel insert
  • Heated front seats
  • Heated rear seats
  • Leather upholstery
  • Max seating capacity
  • Power 2-way driver lumbar support
  • Power 2-way passenger lumbar support
  • Power driver seat
  • Power passenger seat
  • Rear seat center armrest
  • Rear seats
  • Rear seats Folding position
  • Seat Upholstery
  • Split folding rear seat
  • Ventilated front seats
  • Cylinder configuration
  • Drive type
  • Engine liters
  • Engine location
  • Fuel tank capacity
  • Hybrid traction battery type
  • Manual-shift auto
  • Mode select transmission
  • Rear locking differential
  • Standard fuel economy fuel type
  • Variable valve control
  • Ground clearance (min)
  • Auto-dimming door mirrors
  • Bedliner
  • Bumpers
  • Door mirrors
  • Heated door mirrors
  • Left rear passenger door
  • Power door mirrors
  • Rear cargo
  • Rear step bumper
  • Right rear passenger
  • Skid plates
  • Tailpipe finisher
  • Trailer hitch receiver
  • Trailer sway control
  • Turn signal indicator mirrors
  • Exterior body width
  • Exterior height
  • Exterior length
  • Front headroom
  • Front hiproom
  • Front legroom
  • Front shoulder room
  • Rear headroom
  • Rear hiproom
  • Rear legroom
  • Rear shoulder room
  • Turning radius
  • Wheelbase
  • Appearance
  • Auto high-beam headlights
  • Blind spot
  • Compass
  • Delay-off headlights
  • Exterior parking camera cargo
  • Exterior parking camera front
  • Exterior parking camera left
  • Exterior parking camera rear
  • Exterior parking camera right
  • Front fog lights
  • Front reading lights
  • Fully automatic headlights
  • Lane departure
  • Low tire pressure warning
  • Oil pressure gauge
  • Outside temperature display
  • Parking sensors
  • Rear reading lights
  • Rear window defroster
  • Tachometer
  • Trip computer
  • Variably intermittent wipers
  • Voltmeter
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Electronic stability
  • Forward collision
  • Ignition disable
  • Occupant sensing airbag
  • Overhead airbag
  • Panic alarm
  • Perimeter/approach lights
  • Rear collision
  • Security system
  • Traction control

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 50 miles of Brighton, Colorado
Asking price$62,488Dealer asking price · 19,013 mi
Market value$50,914Market value · based on 4 comparable cars
vs. market High price+22.7%High price · based on 4 comparable cars

Where this price sits

Among the highest-priced · 0% of 4 similar listings ask more than this car.

$49,637lowest$62,488highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+22.7%
−25%Market value+25%
High price$11,574 above the market value of $50,914

Price range

$62,488
$49,637$62,488
5th lowest price of 5 similar listings within 50 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 used 2020–2022 GMC Sierra 2500 Denali listings within 50 mi.
  • Priced $11,574 above the market value of 4 comparable cars — compare options, condition and history.
  • 5th lowest price of 5 similar listings within 50 miles.
  • Has about 88,000 fewer miles than similar listings.
  • About 3,169 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # G623913A — 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 7, 2026. No price change at this dealership since Nov 7 ($62,488).

$62.2k$62.3k$62.4k$62.5k$62.6k$62.7kNov 7Nov 8Nov 9Nov 10Nov 11Nov 12

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 12); 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 2020–2022 Sierra 2500 Denali · used · any miles · within 50 miles of Brighton, Colorado. All 4 comparable cars for sale, nearest first.

AutosXchange Intel uses current dealer-advertised asking prices, not completed sales or appraisals. It compares the same trim and condition (new or used) where at least three are listed nationwide, and adjusts the expected price for mileage; it is not adjusted for options, condition or accident history. Similar listings are searched within 50, 100 and 250 miles of the dealer first, then the dealer's state, then nationwide. The left gauge spans ±25% of the expected price. How AutosXchange price analysis works

More GMC Sierra 2500 near Brighton

All years and trims. Nearest first.

2021 GMC Sierra 1500 AT4 4x4 vehicle photo2021 GMC Sierra 1500 AT4 4x458,062 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$39,4882020 GMC Sierra 1500 SLT 4x4 vehicle photo2020 GMC Sierra 1500 SLT 4x495,441 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$33,4882022 GMC Sierra 3500 HD AT4 4x4 vehicle photo2022 GMC Sierra 3500 HD AT4 4x446,331 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$59,9882022 GMC Sierra 2500 HD AT4 4x4 vehicle photo2022 GMC Sierra 2500 HD AT4 4x494,114 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$54,5482022 GMC Sierra 1500 Elevation w/3SB 4x4 vehicle photo2022 GMC Sierra 1500 Elevation w/3SB 4x491,346 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$33,4882018 GMC Sierra 3500HD Chassis Base 4x4 vehicle photo2018 GMC Sierra 3500HD Chassis Base 4x495,241 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$39,3922018 GMC Sierra 1500 SLT 4x4 vehicle photo2018 GMC Sierra 1500 SLT 4x461,387 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$32,4882024 GMC Sierra 1500 Denali 4x4 vehicle photo2024 GMC Sierra 1500 Denali 4x460,192 miles · Johnson Auto Plaza · Brighton, CO · 0 mi away$52,047