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Conley Buick GMC · Bradenton, FL

2021 GMC Sierra 2500 HD SLT

71,321 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 2500 HD
TrimSLT
Stock numberG445344A
Mileage71,321 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorSummit White
Doors4

Vehicle description

Vehicle Details Stock Number G445344A VIN 1GT49NEY0MF277995 Mileage 71,321 miles Body 4D Crew Cab Exterior Summit White Interior Jet Black Drivetrain 4WD Engine Duramax 6.6L V8 Turbodiesel Transmission 10 Speed Automatic 2021 GMC Sierra 2500HD SLT for Sale in Bradenton FL Get heavy duty Duramax diesel power, Crew Cab versatility and premium SLT comfort in this 2021 GMC Sierra 2500HD SLT available at Conley Buick GMC in Bradenton FL. Finished in Summit White with a Jet Black interior, this Sierra has 71,321 miles and is powered by the 6.6L Duramax V8 Turbodiesel paired with a 10 speed automatic transmission and 4WD. Key Features and Highlights This Sierra 2500HD SLT combines serious heavy duty capability with the comfort and refinement expected from an upscale GMC truck. The 6.6L Duramax V8 Turbodiesel provides the strong torque and performance buyers look for in a heavy duty pickup, while the 10 speed automatic transmission delivers smooth power delivery. The 4WD system adds capability and traction, while the spacious 4 door Crew Cab provides plenty of room for passengers, work gear and everyday travel. Why Buy This 2021 GMC Sierra 2500HD SLT The combination of the Duramax 6.6L V8 Turbodiesel, 10 speed automatic transmission, 4WD and Crew Cab configuration makes this Sierra an excellent choice for buyers who need serious truck capability without sacrificing everyday comfort. The SLT trim provides a more refined experience than a basic work truck, making this Sierra well suited for towing, hauling, jobsite use, highway travel and recreational needs. Why Buy From Conley Buick GMC Conley Buick GMC has been family owned for over 55 years and proudly serves Bradenton, Sarasota, Lakewood Ranch, Palmetto, Parrish, Venice and surrounding Florida communities. We offer competitive pricing, financing options for qualified buyers, strong trade values, factory trained technicians and a state of the art service department. Visit Conley Buick GMC Today Looking for a used GMC Sierra 2500HD SLT in Bradenton FL or a Duramax diesel 4WD Crew Cab near Sarasota or Lakewood Ranch? Come see this 2021 GMC Sierra 2500HD SLT today at Conley Buick GMC. Conley Buick GMC 800 Cortez Road West Bradenton FL 34207 Call 941 755 8531 to check availability or schedule your test drive. FULLY DETAILED Prices are plus tax, tag, title fee, $995 Pre Delivery Service Fee, $299 Electronic Tag Registration Service Fee, and a private tag agency fee of $110. Dealer installed accessories, if any, are additional. Contact Conley Buick GMC for complete details.

Features & options (107)

  • Heated Steering Wheel
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Aux Input
  • Heated Seats
  • Keyless Entry
  • Keyless Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Rear View Camera
  • Satellite Radio
  • Tow Hitch/Tow Package
  • Entertainment System
  • Turbo Charged Engine
  • Cruise Control
  • Rear head restraint control : 2 rear seat head restraints
  • Seating capacity : 5
  • Individual driver and front passenger seats provide generous room and comfort.
  • This enhances cab appearance and adds sound and weather insulation.
  • 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
  • Interior accents : Chrome interior accents
  • Headliner material : Cloth headliner material
  • Rear seats fixed or removable : Fixed rear seats
  • 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
  • Your driving glove. A leather wrapped steering wheel brings the touch of luxury to your drive.
  • Front head restraint control : Manual front seat head restraint control
  • Rear head restraint control : Manual rear seat head restraint control
  • Panel insert : Metal-look instrument panel insert
  • Front seatback upholstery : Plastic front seatback upholstery
  • This feature provides increased comfort for rear seat passengers.
  • A center armrest contributes to a more comfortable driving environment.
  • Door panel insert : Simulated wood and metal-look door panel insert
  • Gearshifter material : Urethane gear shifter material
  • This provides an attractive, finished appearance.
  • Vinyl offers easy maintenance and durability.
  • Exterior 120V AC power outlet : 1 exterior 120V AC power outlet
  • Number of beverage holders : 6 beverage holders
  • Boxside steps : BedStep integrated side steps
  • Passenger doors rear left : Conventional left rear passenger door
  • Passenger doors rear right : Conventional right rear passenger door
  • DEF fluid gauge : Diesel exhaust fluid (def) gauge
  • 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.
  • Beverage holders prevent spills and free the driver's hands, which increases safe operation of the vehicle.
  • Rear seat direction : Front facing rear seat
  • Integrated tailgate step
  • Rear cargo door : MultiPro Tailgate tailgate
  • Oil pressure gauge
  • Oil pressure warning
  • 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
  • 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
  • Fenders : Black fender flares
  • Door handle material : Chrome door handles
  • Door mirror style : Chrome door mirrors
  • Bumpers front : Chrome front bumper
  • Bumper rub strip front : Chrome front bumper rub strip
  • Grille style : Chrome grille
  • Bumpers rear : Chrome rear bumper
  • Vehicle to trailer hitching assist : Hitch Guidance vehicle to trailer hitching assist
  • In-box lighting : LED in-box lighting
  • Special paint : Monotone paint
  • Window Trim : Stainless steel side window trim
  • Wheel covers : Wheel hub covers
  • This helps reduce exhaust pollutants.
  • Satellite trial : 3 month satellite trial subscription
  • Speakers number : 6 speakers
  • Primary display size : 8 inch primary display
  • Radio : AM/FM/digital/SiriusXM with 360Lsatellite
  • Antenna : Fixed audio antenna
  • Seek scan
  • Speakers : Standard grade speakers
  • Valves per cylinder : 4
  • Horsepower : 445 HP @2800 RPM
  • Displacement liters : 6.6 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.
  • Ignition : Compression ignition system
  • Dual batteries assure a sufficient supply of electrical power for heavy duty or specialized use.
  • Powertrain type : ICE
  • Iron construction provides strength and durability.
  • A monobeam axle provides rigidity and strength. It is used by most trucks and large SUVs because it can support heavy loads.
  • 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
  • They help define the height of the vehicle in the dark.
  • This safety feature is more easily visible to following drivers and helps them react quicker to a slowing or stopped vehicle.
  • This headlamp layout provides improved lighting due to the dedicated task assigned to each bulb.
  • The additional chest coverage provides upper body support during a collision.
  • Smart device integration : Apple CarPlay/Android Auto smart device wireless mirroring
  • DriveType: Four Wheel Drive
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 36 gal
  • Fuel Type: Diesel Fuel
  • Horse Power: 445
  • 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 · nationwide
Asking price$50,099Dealer asking price · 71,321 mi
Market value$47,786Market value · based on 17 comparable cars
vs. market Fair price+4.8%Fair price · based on 17 comparable cars

Where this price sits

Among the highest-priced · 18% of 17 similar listings ask more than this car.

$33,245lowest$54,273highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+4.8%
−25%Market value+25%
Fair price$2,313 above the market value of $47,786

Price range

$50,099
$33,245$54,273
15th lowest price of 18 similar listings nationwideTick marks the market value · range of 17 similar listings

AutosXchange Insights

  • Compared with 17 used 2021 GMC Sierra 2500 SLT listings nationwide.
  • Priced $2,313 above the market value of 17 comparable cars — compare options, condition and history.
  • 15th lowest price of 18 similar listings nationwide.
  • Has about 21,000 fewer miles than similar listings.
  • About 11,887 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # G445344A — 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 12, 2026. No price change at this dealership since Nov 12 ($50,099).

$49.8k$49.9k$50.0k$50.1k$50.2k$50.3kNov 11Nov 12

Market activity: 2027 Ram 2500 prices nationally: 30.5% of listings cut in 48 hours

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 2021 Sierra 2500 SLT · used · any miles · nationwide. Showing the 12 nearest of 17 comparable cars for sale, nearest first.

2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT114,555 miles · Bill Smith Buick GMC · Cullman, AL · 530 mi away$47,786$2,313 less than this car2021 GMC Sierra 2500HD SLT vehicle photo2021 GMC Sierra 2500HD SLT114,186 miles · Boardwalk Motorcars LLC · Walker, LA · 542 mi away$40,600$9,499 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT77,592 miles · Ron Marhofer Buick GMC, INC. · North Canton, OH · 933 mi away$48,700$1,399 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT81,741 miles · Bob Johnson Chevy West · Spencerport, NY · 1,120 mi away$44,275$5,824 less than this car2021 GMC Sierra 2500HD SLT vehicle photo2021 GMC Sierra 2500HD SLT82,866 miles · Tim's Truck Capital & Auto Sales, Inc · Epsom, NH · 1,257 mi away$48,698$1,401 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT63,198 miles · Lewis Chevrolet Of Garden City · Garden City, KS · 1,282 mi away$52,999$2,900 more than this car2021 GMC Sierra 2500 HD SLT P10516A vehicle photo2021 GMC Sierra 2500 HD SLT P10516A92,066 miles · Springs Automotive Group - Platte Ave · Colorado Springs, CO · 1,501 mi away$48,798$1,301 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT92,104 miles · Fowler Jeep of Boulder · Boulder, CO · 1,557 mi away$46,303$3,796 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT69,761 miles · Eide Chevrolet · Mandan, ND · 1,666 mi away$43,899$6,200 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT72,256 miles · Newby Buick GMC · St. George, UT · 1,918 mi away$49,494$605 less than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT74,426 miles · Lithia Chevrolet GMC of Helena · Helena, MT · 2,079 mi away$54,273$4,174 more than this car2021 GMC Sierra 2500 HD SLT vehicle photo2021 GMC Sierra 2500 HD SLT58,094 miles · Hardin Buick GMC · Anaheim, CA · 2,133 mi away$52,163$2,064 more than this car

More GMC Sierra 2500 near Bradenton

All years and trims. Nearest first.