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Classic Mazda · Texarkana, TX

2020 GMC Sierra 2500HD AT4

Used 2020 GMC Sierra 2500HD Truck

59,690 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2020
MakeGMC
ModelSierra 2500HD
TrimAT4
VIN
Stock numberT213155
Mileage59,690 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
Transmission10-Speed Automatic
Drivetrain4WD
FuelDiesel
ExteriorSummit White
InteriorJet Black W/Kalahari Accents
Doors4
Seats5

Vehicle description

This 2020 GMC Sierra 2500HD AT4 combines exceptional capability with premium comfort, backed by the legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission. With just under 60,000 miles, this 4WD Crew Cab is finished in striking white with luxurious Jet Black and Kalahari leather accents, making it as refined as it is rugged. The AT4 package delivers serious off-road credentials alongside work-truck durability. • Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic • Gooseneck/5th Wheel Package with integrated trailering system • Power Sunroof and Multicolor 15" Head-Up Display • Heated & Ventilated Front Bucket Seats with memory functions • Technology Package including Apple CarPlay and Android Auto • HD Surround Vision with trailer camera provisions and rear camera mirror • Upfitter Switch Kit (5) for customized electrical accessory control • Driver Alert Package II with Lane Departure Warning and Automatic Emergency Braking • Heavy Duty Front Spring/Camper Package with 220-amp alternator • 4G LTE Wi-Fi Hotspot and wireless charging capability This truck is built to handle serious work and demanding terrain while keeping you connected and comfortable. The AT4 Premium Package and advanced suspension technology make this Sierra 2500HD an outstanding choice for anyone seeking proven reliability with modern conveniences. Contact us today to experience this exceptional diesel powerhouse firsthand.

Features & options (230)

  • 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
  • Heated steering wheel
  • Illuminated entry
  • Memory seat
  • 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 wheel independent suspension
  • Power steering
  • Single rear wheels
  • Speed-sensing steering
  • Tires
  • 1st row LCD monitors
  • AM/FM radio
  • Premium audio system
  • Primary LCD size
  • Smart device integration
  • Steering wheel mounted audio controls
  • Wireless phone connectivity
  • Front center armrest
  • Front seats
  • 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 economy fuel type
  • Fuel tank capacity
  • Hybrid traction battery type
  • Manual-shift auto
  • Mode select transmission
  • Rear locking differential
  • Variable valve control
  • Ground clearance (min)
  • Auto-dimming door mirrors
  • Bedliner
  • Bumpers
  • Heated door mirrors
  • Left rear passenger door
  • Power door mirrors
  • Rear cargo
  • Rear step bumper
  • Right rear passenger
  • Skid plates
  • 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
  • Towing capacity
  • Turning radius
  • Wheelbase
  • Appearance
  • Compass
  • Delay-off headlights
  • Front fog lights
  • Front reading lights
  • Fully automatic headlights
  • Low tire pressure warning
  • Oil pressure gauge
  • Outside temperature display
  • 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
  • Ignition disable
  • Occupant sensing airbag
  • Overhead airbag
  • Panic alarm
  • Perimeter/approach lights
  • Security system
  • Traction control
  • Heavy Duty Front Spring/Camper Package
  • 6 Speakers
  • AM/FM radio: SiriusXM
  • Premium audio system: Premium GMC Infotainment System
  • Power Sunroof
  • Pickup Box
  • Electronic Stability Control
  • Lane Departure Warning System
  • 220 Amps Alternator
  • Engine Block Heater
  • Exhaust Brake
  • Heavy-Duty 80 Amp Battery
  • High Idle Switch
  • 6" Rectangular Black Tubular Assist Steps (LPO)
  • Body Color Wheel Arch Moldings (LPO)
  • Bumpers: body-color
  • Winter Grille Cover
  • 1st & 2nd Rows All-Weather Floor Liners (LPO)
  • 2 USB Ports (1st Row)
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Upfitter Switch Kit (5)
  • Perforated Leather-Appointed Front Seat Trim
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering System App
  • Wheels: 18" 6-Spoke Machined Aluminum
  • AT4 Preferred Package
  • AT4 Premium Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Gooseneck/5th Wheel Package
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 4SB
  • Technology Package
  • X31 Off-Road Package
  • 6-Speaker Audio System Feature
  • Bose Premium 7 Speaker Sound System
  • HD Radio
  • Radio: AM/FM w/Premium GMC Infotainment System
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • SiriusXM w/360L
  • Steering Wheel Audio Controls
  • Electric Rear-Window Defogger
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Driver Memory
  • Power Windows w/Driver Express Up/Down
  • Remote Vehicle Starter System
  • Universal Home Remote
  • Manual Tilt-Wheel/Telescoping Steering Column
  • Off-Road Suspension
  • Electrical Lock Control Steering Column
  • Keyless Open & Start
  • Power Door Locks
  • Hill Descent Control
  • Perimeter Lighting
  • Unauthorized Entry Theft-Deterrent System
  • 2-Speed Active Transfer Case
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • LED Smoked Amber Roof Marker Lamps
  • Painted Black Surround Grille
  • Rear Wheelhouse Liners
  • Red Recovery Hooks
  • Spray-On Pickup Box Bed Liner w/AT4 Logo
  • 2 USB Ports
  • 2nd Row Dual USB Charge-Only Ports
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 8" Multicolor Driver Instrument Info Display
  • Automatic Emergency Braking
  • Bed View Camera
  • Compass Located In Instrument Cluster
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • HD Surround Vision w/2 Trailer View Camera Provisions
  • Lane Change Alert w/Side Blind Zone Alert
  • Multicolor 15" Diagonal Head-Up Display
  • OnStar & GMC Connected Services Capable
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Ultrasonic Front & Rear Park Assist
  • Wireless Charging
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Heated & Ventilated Front Bucket Seats
  • Heated 2nd Row Outboard Seats
  • Heated Driver & Front Outboard Passenger Seats
  • Safety Alert Seat
  • Integrated Trailer Brake Controller
  • Wheels: 20" 6-Spoke Bright Machined Aluminum
  • Deep-Tinted Glass
  • Power Front Passenger Windows w/Express Up/Down
  • Power Rear Windows w/Express Down
  • Power Sliding Rear Window w/Defogger
  • Proximity key: doors and push button start
  • Remote engine start: keyfob
  • 1st row LCD monitors: 2
  • Primary LCD size: 8.0"
  • Smart device integration: Apple CarPlay/Android Auto
  • Wireless phone connectivity: Bluetooth
  • Air Conditioning
  • 4-Wheel Disc Brakes
  • Front Center Armrest

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 250 miles of Texarkana, Texas
Asking price$54,125Dealer asking price · 59,690 mi
Market value$43,208Market value · based on 6 comparable cars
vs. market High price+25.3%High price · based on 6 comparable cars

Where this price sits

Among the highest-priced · 0% of 6 similar listings ask more than this car.

$40,129lowest$54,125highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+25.3%
−25%Market value+25%
High price$10,917 above the market value of $43,208

Price range

$54,125
$40,129$54,125
7th lowest price of 7 similar listings within 250 milesTick marks the market value · range of 6 similar listings

AutosXchange Insights

  • Compared with 6 used 2020–2021 GMC Sierra 2500HD AT4 listings within 250 mi.
  • Priced $10,917 above the market value of 6 comparable cars — compare options, condition and history.
  • 7th lowest price of 7 similar listings within 250 miles.
  • Has about 59,000 fewer miles than similar listings.
  • About 8,527 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T213155 — 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 9, 2026. No price change at this dealership since Nov 9 ($54,125).

$53.9k$54.0k$54.1k$54.2k$54.3k$54.4kNov 9Nov 10Nov 10Nov 11Nov 12

AutosXchange Intel Hub: Price changes for this model in Texas · This model in the Intel Hub · Market movers in Texas

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 2020–2021 Sierra 2500HD AT4 · used · any miles · within 250 miles of Texarkana, Texas. All 6 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 2500HD near Texarkana

All years and trims. Nearest first.

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