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2026 GMC Sierra 1500 AT4

8,748 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 1500
TrimAT4
Stock number26747A
Mileage8,748 miles
BodyPickup
Engine3.0L 6-cyl turbo
Displacement3.0L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
MPG22 city / 26 hwy
ExteriorOnyx Black
Towing8700

Vehicle description

This 2026 GMC Sierra 1500 AT4 is a diesel-powered crew cab built for capability and comfort. With its 3.0L I6 diesel engine delivering EPA-estimated 22 city / 26 highway MPG, Actual mileage may vary, and equipped with a smooth 10-speed automatic transmission in 4WD, this truck handles both daily driving and demanding terrain. Just 8,748 miles on the odometer reflects careful ownership of this premium work and lifestyle vehicle. The black exterior with jet black and kalahari leather interior creates a refined, professional appearance. - Power sunroof with power windows and express controls - Premium Bose 7-speaker sound system with Apple CarPlay and Android Auto - Heated and ventilated leather front seats with memory adjustments - Adaptive cruise control with automatic emergency braking and lane keep assist - Integrated trailer brake controller with hitch guidance and surround vision cameras - Heated steering wheel and power steering column with memory settings - 15-inch color head-up display and navigation system - LED headlights with automatic high beam control and fog lights - Keyless entry and push button start with remote vehicle starter This Sierra is Summit Certified, ensuring it has been thoroughly inspected and conditioned to exacting standards. You'll drive with confidence backed by a 6-month/6,000-mile comprehensive Summit Warranty. The AT4 trim combines rugged capability with upscale refinement, and this particular truck showcases both. Come experience the commanding presence, diesel efficiency, and premium feature set that makes this Sierra stand out. We invite you to schedule a test drive and see why discerning truck buyers choose this AT4.

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Keyless Entry
  • Keyless Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • Lane Keep Assist
  • 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
  • SiriusXM Trial Subscription
  • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
  • Can use Apple CarPlay and Android Auto wirelessly
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • Steering-wheel mounted controls
  • 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
  • SiriusXM with 360L Trial Subscription
  • Place and receive hands-free phone calls
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Body-color door handles
  • Rainsense automatic wipers
  • Grille (Black chrome grille insert bars with gloss black header and accents.)
  • 17" full-size spare steel wheel with Black finish
  • LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
  • 20" machined aluminum wheels with Carbon Grey Metallic accents
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Rear pillar lamps
  • Perimeter Lighting
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Utilizes the same key as the door and ignition
  • Rear wheelhouse liners
  • IntelliBeam
  • Heated, power, driver-side auto-dimming, power-folding outside mirrors
  • Puddle lamps
  • Memory setting
  • Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
  • Black mirror caps
  • Body-color front bumper
  • Cab-mounted cargo area lamps
  • With switch in switch bank left of the steering wheel
  • Illuminates the cargo bed area
  • GMC MultiPro Tailgate
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • 17" 255/80R17SL all-season, blackwall spare tire
  • Tailgate and bed rail protection caps
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • Spray-on bedliner
  • Includes logo on all trims except PRO
  • LED fog lamps
  • Help minimize glare in adverse driving conditions
  • 20" 275/60R20SL all-terrain, blackwall tires
  • Body-color rear bumper
  • Power sliding rear window with rear defogger
  • Off-Road Black assist steps
  • Textured step pads help provide secure footing
  • Black powder-coat finish
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Front license plate bracket
  • Onyx Black
  • Carpeted floor covering
  • Color-keyed to match the interior
  • 13.4" diagonal multicolor reconfigurable Infotainment screen
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • In-Vehicle Trailering App
  • Checklist
  • Trailer light sequencing
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Power tilt and telescoping steering column
  • Use the driver memory to save and recall memory settings
  • Provides extra comfort when entering or exiting the vehicle
  • You can always override the feature and take control
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • Steering column lock, electrical
  • Ventilated driver and front passenger seats
  • Individually controlled
  • Cooling feature includes both seatbacks and cushions
  • Driver memory
  • Power windows
  • Front passenger with express-up/down
  • Seat trim, Perforated leather front
  • 120-volt power outlet
  • Located on the instrument panel
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • USB ports
  • (2) Data/charge ports located inside center console
  • Keyless Open and Start
  • Power door locks
  • Programmable
  • 10-way power driver seat with power lumbar
  • Moves the seat forward and back, and up and down
  • Tilt the seat cushion and seatbacks
  • Premium front floor liners with removable carpet insert
  • 12.3" diagonal color Driver Information Center
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Front bucket seats
  • Includes center console
  • (2) Charge ports located on rear of console
  • Driver with express-up/down
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Wireless Charging
  • Uses induction technology for portable electronic devices
  • Convenient charging location at the front of the center console
  • Device may require optional case for phones that are compatible
  • 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)
  • Compass
  • Located in instrument cluster
  • 10-way power front passenger seat
  • Forward and back
  • Up and down
  • Tilt seat cushion back and upright
  • Recline seatback up and down
  • Includes 2-way power lumbar
  • Premium rear floor liners with removable carpet insert
  • (2) First row, located on console
  • Power windows with rear express-down
  • Wrapped steering wheel
  • Rear window defogger
  • Outside temperature display
  • Located in infotainment display
  • Front center console
  • Heated rear outboard seats
  • Heated driver and front outboard passenger seats
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Universal Home Remote
  • 3-channel programmable
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • Jet Black with Kalahari accents, Perforated leather front seat trim
  • 220-amp alternator
  • Cargo tie-downs (12)
  • Pickup bed
  • Roll-formed high-strength steel
  • 4-wheel antilock disc brakes
  • Heavy-duty 850 cold-cranking amps battery
  • 95 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Heavy-Duty Air Filter
  • Hill Descent Control
  • Uses antilock braking to help provide a smooth, controlled descent
  • Activates by pushing a button below the instrument panel
  • Skid plates
  • 2-speed Autotrac Transfer Case
  • 2WD HI mode
  • Vehicle operates in 2-wheel drive
  • Suitable for routine driving on all road surfaces
  • 4WD Auto mode
  • 4WD HI mode
  • 4WD LO mode
  • Neutral
  • Dual-outlet exhaust
  • Integrated into rear bumper
  • Aluminized stainless-steel muffler and tailpipes
  • Brake pad wear indicator
  • 7,200 lbs. GVWR
  • 3.23 rear axle ratio
  • Push Button Start
  • Automatic locking rear differential
  • Electric Power Steering
  • Electric, rack-mounted with variable assist
  • Steering assist is greater during low-speed maneuvers, such as parking
  • Red vertical recovery hooks
  • Two front frame-mounted
  • Aluminized stainless-steel muffler and tailpipe
  • Capless fuel fill
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Off-Road, 2-inch factory-installed lift
  • Monotube Rancho shocks
  • Provides more ground clearance
  • Improved approach and departure angles
  • Four wheel drive
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Emissions, Federal requirements
  • GMC Pro Safety
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • Lane Keep Assist with Lane Departure Warning
  • Automatic Emergency Braking
  • Buckle to Drive
  • Safety Alert Seat on AT4, AT4X, Denali and Denali Ultimate
  • Trailering Package
  • Trailer hitch
  • Trailering hitch platform
  • Includes a 2" receiver hitch, 4-pin and 7-pin connectors
  • Hitch Guidance
  • AT4 Preferred Package
  • Rear sliding power window
  • AT4 Preferred Equipment Group includes standard equipment
  • AT4 Premium Package
  • Off-Road High Clearance steps
  • Technology Package
  • Bed View Camera on AT4
  • Option/package discount
  • LED Daytime Running Lamps
  • Daytime Running Lamps automatically illuminate signature lighting
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • Works at speeds between 5 and 50 mph
  • Designed to help you maintain a safe following distance
  • Seat Belt Adjustable Guide Loops

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 100 miles of Peru, Illinois
Asking price$59,321Dealer asking price · 8,748 mi
Market value$76,400Market value · based on 4 comparable cars
vs. market-22.4%Not rated · prices vary widely

Where this price sits

Among the lowest-priced · 75% of 4 similar listings ask more than this car.

$57,912lowest$77,745highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-22.4%
−25%Market value+25%
Not rated · comparable prices vary too widely$17,079 below the market value of $76,400

Price range

$59,321
$57,912$77,745
2nd lowest price of 5 similar listings within 100 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 used 2026 GMC Sierra 1500 AT4 listings within 100 mi.
  • Priced $17,079 below the market value of 4 comparable cars.
  • 2nd lowest price of 5 similar listings within 100 miles.
  • Has about 7,000 more miles than similar listings.
  • About 8,748 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 26747A — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Cars this price is compared to

Same 2026 Sierra 1500 AT4 · used · any miles · within 100 miles of Peru, Illinois. All 4 comparable cars for sale, nearest first.

More GMC Sierra 1500 near Peru

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