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Riverhead GMC · Riverhead, NY

2026 GMC Sierra 1500 AT4

5 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 1500
TrimAT4
Stock number56567
Mileage5 miles
BodyPickup
Engine6.2L V8
Cylinders8
Displacement6.2L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
MPG15 city / 19 hwy
ExteriorSummit White
Towing8900

Vehicle description

This stunning 2026 GMC Sierra 1500 AT4 in crisp White combines rugged capability with premium comfort. Built on the legendary Sierra platform, this Crew Cab Short Box delivers serious off-road credentials paired with sophisticated interior appointments including Jet Black leather with Kalahari accents. The powerful EcoTec3 6.2L V8 engine paired with a 10-speed automatic transmission and 4WD provides commanding performance on any terrain. - Power Sunroof - Premium Bose 7-Speaker Sound System with SiriusXM - Dual Active Exhaust with Sport-Mode - AT4 Premium Package - Multicolor 15 Head-Up Display - HD Surround Vision with Rear Camera Mirror - Wireless Apple CarPlay/Android Auto - Heated and Ventilated Front Seats - Off-Road Suspension with Hill Descent Control - Sport Step and Red Recovery Hooks This AT4 is equipped with advanced technology features including wireless charging, automatic emergency braking, lane departure warning, and trailer guidance systems. The cabin showcases premium materials with heated and ventilated seating, power-adjustable front seats with lumbar support, and a comprehensive infotainment system. Off-road enthusiasts will appreciate the advanced suspension, electronic locking rear differential, and multiple camera systems designed for confidence in challenging conditions. Visit our showroom to experience this impressive Sierra 1500 AT4 firsthand and discover why GMC trucks remain the choice for those who demand both capability and refinement.

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
  • Premium Sound System
  • Place and receive hands-free phone calls
  • 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
  • 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
  • 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
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Summit White
  • Front license plate bracket
  • Assist handle, side
  • Bed mounted (fold out grab handle for extra support)
  • Power sliding rear window with rear defogger
  • Off-Road Black assist steps
  • Textured step pads help provide secure footing
  • Black powder-coat finish
  • Power windows
  • 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
  • USB ports
  • (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
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Heated rear outboard seats
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • 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
  • Cooling feature includes both seatbacks and cushions
  • Driver memory
  • 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
  • (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
  • Jet Black with Kalahari accents, Perforated leather front seat trim
  • 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
  • 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)
  • 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
  • Brake pad wear indicator
  • 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
  • Active Exhaust, Dual, sport-mode enabled
  • 170-amp alternator
  • 7,100 lbs. GVWR
  • Heavy-duty 730 cold-cranking amps battery
  • 80 Amp-hr
  • Trailering Package
  • Trailer hitch
  • Trailering hitch platform
  • Includes a 2" receiver hitch, 4-pin and 7-pin connectors
  • Hitch Guidance
  • 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
  • Technology Package
  • Bed View Camera on AT4
  • AT4 Preferred Package
  • Rear sliding power window
  • AT4 Preferred Equipment Group includes standard equipment
  • AT4 Premium Package
  • Off-Road High Clearance steps
  • Option/package discount
  • LED Daytime Running Lamps
  • Daytime Running Lamps automatically illuminate signature lighting
  • OnStar services capable
  • Inside/Rear Trailer Camera Input
  • Includes trailer viewing software
  • Front and Rear Park Assist
  • These can help you park and avoid collisions
  • Rear Cross Traffic Braking

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 Riverhead, New York
Asking price$67,249Dealer asking price · 5 mi
Market value$67,815Market value · based on 6 comparable cars
vs. market Fair price-0.8%Fair price · based on 6 comparable cars

Where this price sits

In the typical middle range · 50% of 6 similar listings ask more than this car.

$61,073lowest$68,815highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-0.8%
−25%Market value+25%
Fair price$566 below the market value of $67,815

Price range

$67,249
$61,073$68,815
3rd lowest price of 7 similar listings within 50 milesTick marks the market value · range of 6 similar listings

AutosXchange Insights

  • Compared with 6 new 2026 GMC Sierra 1500 AT4 listings within 50 mi.
  • Priced $566 below the market value of 6 comparable cars.
  • 3rd lowest price of 7 similar listings within 50 miles.
  • About 5 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 56567 — 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 ($67,249).

$67.0k$67.1k$67.2k$67.3k$67.4k$67.5kNov 11Nov 12

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 1500 AT4 · new · within 50 miles of Riverhead, New York. All 6 comparable cars for sale, nearest first.

More GMC Sierra 1500 near Riverhead

All years and trims. Nearest first.