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Shortline Buick GMC · Aurora, CO

2026 GMC Sierra 2500 HD AT4

10 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimAT4
Stock number260618
Mileage10 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
Towing20000

Vehicle description

Summary At Shortline Automotive, Inc we understand that delivering top quality service is the only way to earn business. We promise to make your next car buying experience efficient and relaxed. Shortline has something for everyone! Vehicle Details Experience the capability and refinement of the **2026 GMC Sierra 2500 AT4** with **4WD** and a powerful **V8 6.6L Diesel engine**. Built for drivers who demand serious towing strength, confident performance, and premium comfort, this heavy-duty truck is ready for work, recreation, and everything in between. Its bold AT4 styling, rugged stance, and advanced off-road engineering make it a standout choice for those who need a truck that performs as hard as it looks. Inside, the GMC Sierra 2500 AT4 delivers a well-appointed cabin designed for comfort and convenience. Enjoy **Remote Start** for added ease on cold mornings, a **Heated Steering Wheel** for year-round comfort, and an upgraded **BOSE Stereo** that brings rich sound to every drive. The included **XM Radio** offers even more entertainment options, while the **Back-Up Camera** helps provide added confidence when reversing or parking in tight spaces. Whether you're hauling equipment, navigating job sites, or heading out on a weekend adventure, this **2026 GMC Sierra 2500 AT4** offers the strength, technology, and upscale features you expect from a premium heavy-duty pickup. Located in **Aurora, CO**, this truck is an excellent option for buyers seeking a dependable diesel-powered 4x4 with proven GMC capability and comfort. Packages Max Trailering Package: 11 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step; Technology Package AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote Technology Package Off-Road High Clearance Step Power Sunroof Gooseneck/5th Wheel Prep Package LED Smoked Amber Roof Marker Lamps Additional Information A qualified S

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
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Tailgate and bed rail protection caps
  • 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
  • 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
  • Body-color door handles
  • 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
  • High gloss Black mirror caps
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • GMC MultiPro Tailgate
  • Hitch area lighting
  • Power lock and release
  • 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
  • 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
  • Front license plate bracket
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Onyx Black
  • Rear Seat Reminder
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • USB ports
  • (2) Data/charge ports located inside center console
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • 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
  • 3-prong auxiliary household-style outlet
  • Located on the instrument panel
  • 120-volt box-mounted power outlet
  • Located in the pickup bed
  • 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
  • Heavy-Duty Air Filter
  • Automatic locking rear differential
  • 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
  • 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
  • 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
  • Rear Seat Belt Indicator
  • Front and Rear Park Assist
  • These can help you park and avoid collisions

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 Aurora, Colorado
Asking price$81,939Dealer asking price · 10 mi
Market value$85,673Market value · based on 19 comparable cars
vs. market Fair price-4.4%Fair price · based on 19 comparable cars

Where this price sits

Among the lowest-priced · 95% of 19 similar listings ask more than this car.

$80,499lowest$91,211highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-4.4%
−25%Market value+25%
Fair price$3,734 below the market value of $85,673

Price range

$81,939
$80,499$91,211
2nd lowest price of 20 similar listings within 50 milesTick marks the market value · range of 19 similar listings

AutosXchange Insights

  • Compared with 19 new 2026 GMC Sierra 2500 AT4 listings within 50 mi.
  • Priced $3,734 below the market value of 19 comparable cars.
  • 2nd lowest price of 20 similar listings within 50 miles.
  • About 10 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 260618 — 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 5, 2026. No price change at this dealership since Nov 5 ($81,939).0 price changes at this dealership: $81,939 → $81,939.

$81.7k$81.8k$81.9k$82.0k$82.1k$82.2kNov 5Nov 6Nov 7Nov 9Nov 10Nov 11

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 11); 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 Aurora, Colorado. Showing the 12 nearest of 19 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT45 miles · Shortline Buick GMC · Aurora, CO · 0 mi away$82,412$473 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT410 miles · Shortline Buick GMC · Aurora, CO · 0 mi away$83,470$1,531 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT411 miles · AutoNation Buick GMC Park Meadows · Lone Tree, CO · 12 mi away$82,446$507 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT44 miles · AutoNation Buick GMC Park Meadows · Lone Tree, CO · 12 mi away$86,714$4,775 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT410 miles · AutoNation Buick GMC Park Meadows · Lone Tree, CO · 12 mi away$86,964$5,025 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT449 miles · AutoNation Buick GMC Park Meadows · Lone Tree, CO · 12 mi away$87,185$5,246 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT42 miles · Alpine Buick GMC · Littleton, CO · 14 mi away$84,372$2,433 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT46 miles · Alpine Buick GMC · Littleton, CO · 14 mi away$85,103$3,164 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT45 miles · Alpine Buick GMC · Littleton, CO · 14 mi away$86,246$4,307 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT47 miles · Alpine Buick GMC · Littleton, CO · 14 mi away$87,749$5,810 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT47 miles · Alpine Buick GMC · Littleton, CO · 14 mi away$88,194$6,255 more than this car2026 GMC Sierra 2500 HD AT4 vehicle photo2026 GMC Sierra 2500 HD AT47 miles · Alpine Buick GMC · Littleton, CO · 14 mi away$88,194$6,255 more than this car

More GMC Sierra 2500 near Aurora

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