Cars For Sale

One of the nation's largest automotive websites!

877-395-0181

877-395-0181

  • Home / Used 2021 GMC Sierra 2500HD Denali
  • Used 2021 GMC Sierra 2500HD Denali

    2021 GMC Sierra 2500HD
    Customize Ride Svg

    Used Vehicle Description

    Discover exceptional craftsmanship, capability, and luxury in this **2021 GMC Sierra 2500HD Denali Black Diamond Edition**. With only **78,820 miles** and **one previous owner**, this **4WD powerhouse** embodies strength, refinement, and premium technology—ready to take on demanding work or weekend adventures in equal measure. Under the hood lies the legendary **6.6L Duramax Turbo-Diesel V8 engine**, B20-diesel compatible and paired with the **Allison 10-speed automatic transmission** for unmatched towing confidence and superior durability. The combination of the **Pro Grade Trailering Package**, **Gooseneck/5th Wheel Prep Package**, **Trailer Tire Pressure Monitor Sensors**, and **Exhaust Brake** ensures this truck is engineered to handle heavy hauls with ease. The rugged **X31 Off-Road Package** brings added capability for challenging terrain, featuring off-road tuned suspension and skid plates. For additional convenience and protection in colder climates, this Denali is equipped with an **engine block heater**, **high idle switch**, **winter grille cover**, and a robust **220-amp alternator**—built to perform no matter the conditions. Commanding attention in **Black exterior** paint, this Denali showcases bold styling with **Aluminum/Alloy Wheels**, **Power-Retractable Assist Steps**, and the versatile **GMC MultiPro Tailgate** enhanced by the **Kicker MultiPro Audio System**. Sophisticated presence meets modern functionality, setting a new bar for heavy-duty luxury. Inside, the **leather-trimmed cabin** wraps you in refinement and technology. Premium conveniences include a **Power Driver’s Seat**, **Power Sunroof**, and **Universal Garage Door Opener**. The **Premium GMC Infotainment System** boasts **Navigation** on a large **8-inch color touchscreen** with intuitive controls and smartphone integration. Advanced driver assistance technologies keep you secure with the **Driver Alert 1** and **Driver Alert 2 Packages**, featuring safety enhancements like rear parking sensors and intelligent alerts to su
    Mileage: 78,821 Color:  Black Engine:  V8, 6.6L Transmission:  Automatic Drive Type:  Four Wheel Drive Fuel:  Diesel Int Color:  Jet Black Body Style:  Crew Cab Pickup Stock #:  G32339A MPG (city/hwy):  0/0
    Mileage:  78,821
    Color:  Black
    Engine:  V8, 6.6L
    Transmission:  Automatic
    Drive Type:  Four Wheel Drive
    Fuel:  Diesel
    Int Color:  Jet Black
    Body Style:  Crew Cab Pickup
    Stock #:  G32339A
    MPG (city/hwy):  0 / 0
    Optional Features
    EMISSIONS::EMISSIONS, FEDERAL REQUIREMENTS%%ENGINE::ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE%%TRANSMISSION::TRANSMISSION, ALLISON 10-SPEED AUTOMATIC%%GVWR::GVWR, 11,300 LBS. (5126 KG)%%AXLE::REAR AXLE, 3.42 RATIO%%PREFERRED EQUIPMENT GROUP::DENALI PREFERRED EQUIPMENT GROUP%%WHEELS::WHEELS, 20 (50.8 CM) HIGH GLOSS BLACK PAINTED ALUMINUM%%PAINT::EBONY TWILIGHT METALLIC%%SEAT TRIM::JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM%%ADDITIONAL EQUIPMENT::DENALI BLACK DIAMOND EDITION%%ADDITIONAL EQUIPMENT::DENALI ULTIMATE PACKAGE%%ADDITIONAL EQUIPMENT::TECHNOLOGY PACKAGE%%ADDITIONAL EQUIPMENT::ENGINE BLOCK HEATER%%ADDITIONAL EQUIPMENT::ALTERNATOR, 220 AMPS%%ADDITIONAL EQUIPMENT::HIGH IDLE SWITCH%%ADDITIONAL EQUIPMENT::GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH.%%ADDITIONAL EQUIPMENT::EXHAUST BRAKE%%ADDITIONAL EQUIPMENT::SUNROOF, POWER%%ADDITIONAL EQUIPMENT::ASSIST STEPS, POWER-RETRACTABLE%%ADDITIONAL EQUIPMENT::WINTER GRILLE COVER%%ADDITIONAL EQUIPMENT::LICENSE PLATE KIT, FRONT%%ADDITIONAL EQUIPMENT::MULTIPRO AUDIO SYSTEM BY KICKER%%ADDITIONAL EQUIPMENT::PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT, FRONT%%ADDITIONAL EQUIPMENT::PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT, REAR%%ADDITIONAL EQUIPMENT::MULTI-COLOR 15 DIAGONAL HEAD-UP DISPLAY%%ADDITIONAL EQUIPMENT::REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING WITH FULL CAMERA DISPLAY%%ADDITIONAL EQUIPMENT::LPO, AUXILIARY TRAILER CAMERA%%ADDITIONAL EQUIPMENT::TRAILER TIRE PRESSURE MONITOR SENSORS
    Standard Equipment
    MECHANICAL::Four wheel drive%%INTERIOR::Steering wheel audio controls%%INTERIOR::Steering wheel, leather-wrapped%%INTERIOR::Remote vehicle starter system%%INTERIOR::Floor covering, color-keyed carpeting%%INTERIOR::Steering wheel, heated%%EXTERIOR::Door handles, chrome%%INTERIOR::Universal Home Remote%%MECHANICAL::Hill descent control%%MECHANICAL::Trailer brake controller, integrated%%MECHANICAL::Cooling, external engine oil cooler%%EXTERIOR::Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door%%SAFETY::StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist%%EXTERIOR::Glass, deep-tinted%%SAFETY::Safety Alert Seat%%MECHANICAL::Cooling, auxiliary external transmission oil cooler%%EXTERIOR::CornerStep, rear bumper%%EXTERIOR::Wheelhouse liners, rear%%EXTERIOR::Mirror caps, chrome%%INTERIOR::Theft-deterrent system, unauthorized entry%%INTERIOR::Air conditioning, dual-zone automatic climate control%%INTERIOR::Cruise control, steering wheel-mounted%%INTERIOR::Steering column, manual Tilt-Wheel and telescoping%%EXTERIOR::Tailgate and bed rail protection caps, top%%INTERIOR::Driver memory recalls driver presets for power driver seat and outside mirrors%%EXTERIOR::Bumper, rear body-color with bumper CornerSteps%%INTERIOR::Wireless Charging%%ENTERTAINMENT::Radio, HD%%EXTERIOR::Bumper, front, body-color lower%%SAFETY::Following Distance Indicator%%INTERIOR::Air vents, rear%%INTERIOR::Seats, heated second row outboard seats%%INTERIOR::Rear seat reminder%%SAFETY::Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)%%MECHANICAL::Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors%%EXTERIOR::Fog lamps, LED%%EXTERIOR::Taillamps, LED signature taillight with LED stop and reverse light%%EXTERIOR::Tailgate, GMC MultiPro Tailgate with six functional load/access features%%INTERIOR::Seat adjuster, driver 10-way power including lumbar%%INTERIOR::Seat adjuster, passenger 10-way power including lumbar%%INTERIOR::Compass, located in instrument cluster%%INTERIOR::Exterior Temperature Display, located in radio display%%INTERIOR::Steering column, lock control, electrical%%INTERIOR::Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted%%EXTERIOR::Cargo tie downs (12), fixed rated at 500 lbs per corner%%INTERIOR::USB ports, dual, charge-only (2nd row)%%EXTERIOR::Grille (Signature Denali grille with high gloss Black mesh and Chrome inserts.)%%MECHANICAL::Brake lining wear indicator
    Optional Features
    ADDITIONAL EQUIPMENT 
    • DENALI BLACK DIAMOND EDITION
    • DENALI ULTIMATE PACKAGE
    • TECHNOLOGY PACKAGE
    • ENGINE BLOCK HEATER
    • ALTERNATOR, 220 AMPS
    • HIGH IDLE SWITCH
    • GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH.
    • EXHAUST BRAKE
    • SUNROOF, POWER
    • ASSIST STEPS, POWER-RETRACTABLE
    • WINTER GRILLE COVER
    • LICENSE PLATE KIT, FRONT
    • MULTIPRO AUDIO SYSTEM BY KICKER
    • PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT, FRONT
    • PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT, REAR
    • MULTI-COLOR 15 DIAGONAL HEAD-UP DISPLAY
    • REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING WITH FULL CAMERA DISPLAY
    • LPO, AUXILIARY TRAILER CAMERA
    • TRAILER TIRE PRESSURE MONITOR SENSORS
    EMISSIONS
    • EMISSIONS, FEDERAL REQUIREMENTS
    ENGINE
    • ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE
    TRANSMISSION
    • TRANSMISSION, ALLISON 10-SPEED AUTOMATIC
    GVWR
    • GVWR, 11,300 LBS. (5126 KG)
    AXLE
    • REAR AXLE, 3.42 RATIO
    PREFERRED EQUIPMENT GROUP
    • DENALI PREFERRED EQUIPMENT GROUP
    WHEELS
    • WHEELS, 20 (50.8 CM) HIGH GLOSS BLACK PAINTED ALUMINUM
    PAINT
    • EBONY TWILIGHT METALLIC
    SEAT TRIM
    • JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM
    Standard Equipment
    INTERIOR 
    • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
    • Driver memory recalls driver presets for power driver seat and outside mirrors
    • Seat adjuster, passenger 10-way power including lumbar
    • Exterior Temperature Display, located in radio display
    • Air conditioning, dual-zone automatic climate control
    • Seat adjuster, driver 10-way power including lumbar
    • Steering column, manual Tilt-Wheel and telescoping
    • Theft-deterrent system, unauthorized entry
    • Steering column, lock control, electrical
    • Seats, heated second row outboard seats
    • Cruise control, steering wheel-mounted
    • Compass, located in instrument cluster
    • USB ports, dual, charge-only (2nd row)
    • Floor covering, color-keyed carpeting
    • Steering wheel, leather-wrapped
    • Steering wheel audio controls
    • Remote vehicle starter system
    • Steering wheel, heated
    • Universal Home Remote
    • Rear seat reminder
    • Wireless Charging
    • Air vents, rear
    EXTERIOR 
    • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
    • Grille (Signature Denali grille with high gloss Black mesh and Chrome inserts.)
    • Tailgate, GMC MultiPro Tailgate with six functional load/access features
    • Taillamps, LED signature taillight with LED stop and reverse light
    • Cargo tie downs (12), fixed rated at 500 lbs per corner
    • Bumper, rear body-color with bumper CornerSteps
    • Tailgate and bed rail protection caps, top
    • Bumper, front, body-color lower
    • CornerStep, rear bumper
    • Wheelhouse liners, rear
    • Door handles, chrome
    • Mirror caps, chrome
    • Glass, deep-tinted
    • Fog lamps, LED
    MECHANICAL 
    • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
    • Cooling, auxiliary external transmission oil cooler
    • Trailer brake controller, integrated
    • Cooling, external engine oil cooler
    • Brake lining wear indicator
    • Hill descent control
    • Four wheel drive
    SAFETY 
    • Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
    • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
    • Following Distance Indicator
    • Safety Alert Seat
    ENTERTAINMENT 
    • Radio, HD
    CALL
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
     
     

    Similar Vehicles

    2022 GMC Sierra 1500 AT4
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    2020 GMC Sierra 1500 Denali
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    2018 Ford F-150 XLT
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    2023 GMC Sierra 1500 SLT
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    Customize Ride Svg
     
    2021 GMC Sierra 2500HD, Stock #: G32339A
     
     
    2021 GMC Sierra 2500HD, Stock #: G32339A
     
    Save Money & Time!
    Negotiate Online
    For Your Best Deal!
    $
    $
    $
    $
    %
    Months
    Remaining Amount:
    Financing for per month
    For illustration purposes only. Rate APR percentage and term is subject to financial approval.
     
     

    Other Vehicles You May Like

    2022 GMC Sierra 1500 AT4
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    2020 GMC Sierra 1500 Denali
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    2018 Ford F-150 XLT
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    2023 GMC Sierra 1500 SLT
    CALL
    555-555-5555
    Price plus tax, title, license. Dealer charges $249 Doc Fee at our South Dakota locations, $125 at our Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
    Are additional discounts or promotions available on this vehicle?
    Does this vehicle qualify for any special financing incentives?
    Do you have a vehicle like this one that is a better value?
    I would like to know more about this vehicle's options
    Where is this vehicle located?
    Does a warranty exist for this vehicle?
    I would like this vehicle but with these options:
    Other

    Additional rebates may be available that could save you more money!

    Some rebates are conditional, so, in the interest of transparency, we don't include them in our Sale Price. Please fill out the form and we will reach out to you to let you know what additional savings may be available.

    Please Enter Zip Code To See The Available Rebates In Your Area
    Please enter a valid zip code.

    © 2026 BillionAuto.com All Rights Reserved | Responsive Dealer Website by SterlingEMarketing | Privacy Policy | Terms of Use | SiteMap