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Serra Buick GMC · Washington, MI

2026 GMC Sierra 2500 HD AT4

2 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimAT4
Stock numberT28531
Mileage2 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
Towing20000

Vehicle description

2026 Onyx Black GMC Sierra 2500HD 4WD AT4 Duramax 6.6L V8 Turbodiesel 10-Speed Automatic At Serra Buick GMC We Will Make a Deal and Strive to Deliver Complete Satisfaction Every Time! We are Lease Pull Ahead Specialists, and Need All Trade-in's for our Pre-Owned inventory. Experience the Serra Difference Today! Why is Serra Cadillac the Go-To Spot for Shelby Township, Macomb County, Rochester Hills, Rochester MI, and Romeo MI Drivers Seeking a New or Used Vehicle? It could be our varied and accommodating selection of new models, or equally vast range of high-quality used cars. **** GM Employee pricing requires eligible GM Employee, retiree, or eligible family member. Price includes: $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Leather Seats
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Emergency Brake Assist
  • Lane Departure Warning
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Turbo Charged Engine
  • Premium Sound System
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • SiriusXM with 360L Trial Subscription
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • Bluetooth® streaming audio for music and select phones
  • Wireless Apple CarPlay capability for compatible phones
  • Wireless Android Auto capability for compatible phones
  • Customize and manage entertainment and vehicle feature setting
  • Voice-activated technology for phone
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Place and receive hands-free phone calls
  • SiriusXM Trial Subscription
  • Tailgate and bed rail protection caps
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Cab-mounted cargo area lamps
  • Activated by switch located on center switch bank
  • Illuminates the cargo bed area
  • 20" high gloss Black aluminum wheels
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • LED taillamps with LED stop lights and animation
  • Body-color rear bumper
  • With integrated CornerSteps
  • Body-color door handles
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • LED fog lamps
  • Black beltline moldings
  • 20" LT275/65R20 all-terrain, blackwall tires
  • Rear wheelhouse liners
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • GMC MultiPro Tailgate
  • Hitch area lighting
  • Power lock and release
  • High gloss Black mirror caps
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Rainsense automatic wipers
  • Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Tailgate with EZ Lift assist, power lock & release
  • Body-color front bumper
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • Chrome mirror caps
  • AT4 and AT4X features high gloss Black mirror caps
  • Power folding/extending
  • Lower convex mirrors
  • Heated upper glass
  • Integrated turn signal indicators
  • Puddle lamps
  • Perimeter lighting
  • Auxiliary lighting
  • Extends 3.31-inches
  • IntelliBeam
  • Winter Grille Cover
  • Assist handle, side
  • Bed mounted (fold out grab handle for extra support)
  • Off-Road High Clearance Steps
  • Textured step pads help provide secure footing
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Onyx Black
  • USB ports
  • (2) Data/charge ports located inside center console
  • Rear Seat Reminder
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Outside temperature display
  • Located in infotainment display
  • 120-volt power outlet
  • Located on the instrument panel
  • Power door locks
  • Ventilated driver and front passenger seats
  • Individually controlled
  • Cooling feature includes both seatbacks and cushions
  • Steering-wheel mounted controls
  • Manual tilt and telescoping steering column
  • Rear window defogger
  • Power windows with rear express-down
  • Premium rear floor liners with removable carpet insert
  • Premium front floor liners with removable carpet insert
  • Seat trim, Perforated front Leather
  • You can always override the feature and take control
  • Front center console
  • Front bucket seats
  • 10-way power front passenger seat
  • Includes 8-way power front passenger seat
  • Includes a 2-way power lumbar control
  • Heated driver and front outboard passenger seats
  • Up-level rear seat with storage package
  • 60/40 Full-length folding bench seat
  • Seatback storage on left and right side
  • Center fold out armrest with 2 cupholders
  • Underseat storage (full cab width)
  • 10-way power driver seat with power lumbar
  • Includes 8-way power driver seat
  • (2) First row, located on console
  • Wrapped steering wheel
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Compass
  • Located in instrument cluster
  • Driver memory
  • Inside rearview auto-dimming mirror
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • (2) Charge ports located on rear of console
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location
  • Power windows with driver express-up/down
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Universal Home Remote
  • 3-channel programmable
  • Jet Black with Kalahari accents, Perforated Front Leather seat trim
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • Power sliding rear window with rear defogger
  • Hill Descent Control
  • Uses antilock braking to help provide a smooth, controlled descent
  • Activates by pushing a button below the instrument panel
  • Four wheel drive
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • 4-wheel antilock disc brakes
  • Automatic locking rear differential
  • Heavy-Duty Air Filter
  • Red vertical recovery hooks
  • Two front frame-mounted
  • Autotrac 2-speed transfer case with push button controls
  • 4-button control 2WD, Auto, 4WD, 4WD LO
  • 2WD High for most on-road and highway situations
  • Automatically engages 4WD until traction is regained
  • Brake pad wear indicator
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Off-Road suspension
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Digital Variable Steering Assist
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • 11,750 lbs. GVWR
  • Heavy-duty dual batteries with 1460 cold-cranking amps
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • 220-amp alternator
  • Emissions, Federal requirements
  • Gooseneck / 5th Wheel Prep Package
  • Hitch platform to accept Gooseneck or 5th wheel hitch
  • Box mounted 7-pin trailer harness
  • AT4 Preferred Package
  • Rear sliding power window
  • LED roof marker lamps
  • AT4 Preferred Equipment Group includes standard equipment
  • Max Trailering Package
  • 3500 HD Frame
  • 3500 HD Leaf Springs
  • 12" Rear axle
  • 3500 HD Shock Package
  • Gooseneck / 5th Wheel Prep provisions
  • Bed stamped holes with caps installed
  • Heavy Duty Front Spring / Camper Package
  • AT4 Premium Plus Package
  • Technology Package
  • AT4 high clearance step
  • AT4 Preferred Package on AT4
  • Option/package discount
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • HD Surround Vision
  • Can help you park or avoid vehicles and objects
  • Trailering camera provisions
  • Includes connector for accessory wiring harness
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Trailer Side Blind Zone Alert
  • Hitch View
  • Shows a close-up view of the trailer hitch
  • Rear Cross Traffic Alert
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • OnStar services capable
  • Teen Driver
  • Following Distance Indicator
  • Designed to help you maintain a safe following distance
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • Tire Pressure Monitoring System with Tire Fill Alert

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 Washington, Michigan
Asking price$77,534Dealer asking price · 2 mi
Market value$76,361Market value · based on 26 comparable cars
vs. market Fair price+1.5%Fair price · based on 26 comparable cars

Where this price sits

Among the highest-priced · 15% of 26 similar listings ask more than this car.

$72,304lowest$80,791highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+1.5%
−25%Market value+25%
Fair price$1,173 above the market value of $76,361

Price range

$77,534
$72,304$80,791
23rd lowest price of 27 similar listings within 50 milesTick marks the market value · range of 26 similar listings

AutosXchange Insights

  • Compared with 26 new 2026 GMC Sierra 2500 AT4 listings within 50 mi.
  • Priced $1,173 above the market value of 26 comparable cars — compare options, condition and history.
  • 23rd lowest price of 27 similar listings within 50 miles.
  • About 2 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T28531 — 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 ($77,534).

$77.3k$77.4k$77.5k$77.6k$77.7k$77.8kNov 9Nov 10Nov 11Nov 12

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

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 2026 Sierra 2500 AT4 · new · within 50 miles of Washington, Michigan. Showing the 12 nearest of 26 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Washington

All years and trims. Nearest first.