0.068357944488525
Used 2026 GMC Sierra for sale in Williamsville
24 photos
Accident Free
No reported accidents
Vehicle Details
5 km
Automatic
4WD
Gasoline
EcoTec3 V8 engine 6.2L
Unknown
Pickup
Owners
Make GMC
Model Sierra
Year 2026
Trim AT4
Series 1500
Engine Cylinders 8
Body Class Pickup
What was with this car history VIN 3GTUUEEL5TG360158?
Popular features
13.4" diagonal GMC Premium Infotainment System with Google built-in: 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable Bluetooth2 streaming audio for music and select phones Wireless Apple CarPlay capability for compatible phones3Wireless Android Auto capability for compatible phones4Customize and manage entertainment and vehicle feature settingUse, control and manage select smartphone apps through the Infotainment system Voice-activated technology for phone
Bluetooth: Pair your compatible mobile phone to your vehicle's infotainment system1Place and receive hands-free phone calls Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command systemWith streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
Bose Premium Sound System: 7-speakers with Richbass wooferBose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin, you'll get rich, concert-like soundMay require additional optional equipment
SiriusXM with 360L Trial Subscription: With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and moreExperience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
Steering-wheel mounted controls: Allow the driver to easily operate the audio system and phone interface controlsMay require additional optional equipment
Wi-Fi Hotspot capable: Terms and limitations apply. See onstar.com or dealer for details.May require additional optional equipment
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones: Can use Apple CarPlay1 and Android Auto2 wirelesslyApple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.
17" 255/80R17SL all-season, blackwall spare tire
17" full-size spare steel wheel with Black finish
20" 275/60R20SL all-terrain, blackwall tires
20" machined aluminum wheels with Carbon Grey Metallic accents
Black mirror caps
Body-color door handles
Body-color front bumper
Body-color rear bumper
Cab-mounted cargo area lamps: With switch in switch bank left of the steering wheelIlluminates the cargo bed area
Cargo bed LED lighting: Provides light to find cargo in the bedRear pillar lamps
CornerStep rear bumper: Helps make it easier to get into and out of the pickup bedLocated at each end of the rear bumperTextured step pads to help provide secure footing
Deep-tinted glass: Provides added protection from sun and glare
Front license plate bracket: Front bracket is included if displaying a front license plate is required in your state
GMC MultiPro Tailgate: Six function tailgate designed to help improve loading, unloading and accessing the cargo box
Heated, power, driver-side auto-dimming, power-folding outside mirrors: Puddle lampsPerimeter lightingMemory setting
IntelliBeam: At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1May require additional optional equipment
LED fog lamps: Help minimize glare in adverse driving conditions
LED reflector (high intensity) headlamps with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps: C-shaped LED headlamps with signature lighting and innovative light blade technology
Off-Road Black assist steps: Steps make it easier to get in and out of your truckTextured step pads help provide secure footingBlack powder-coat finish
Perimeter Lighting
Power sliding rear window with rear defogger: Helps to keep your rear view clear of fog or frostUtilizes a warming grid to remove fog or frost from the rear windowThe window switch is conveniently located in the overhead console for easy 1-touch operationMay require additional optional equipment
Power sunroof: Opens over the first row at the push of a buttonRetracts into the roofOffers tilt and slide features with express-open and -closeMay require additional optional equipment
Rainsense automatic wipers: Turn on automatically when sensors detect varying degrees of precipitation on the windshield
Rear wheelhouse liners: Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
Spare tire carrier lock: Helps keep spare tire secureUtilizes the same key as the door and ignition
Spray-on bedliner: Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shiftingCovers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downsChemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight sealDoes not include spray-on liner on tailgate due to Black composite inner panelIncludes logo on all trims except PRO
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release: Hitch area lightingMay require additional optional equipment
10-way power driver seat with power lumbar: Moves the seat forward and back, and up and downTilt the seat cushion and seatbacks
10-way power front passenger seat: Forward and backUp and downTilt seat cushion back and uprightRecline seatback up and downIncludes 2-way power lumbar
12.3" diagonal color Driver Information Center: Includes driver personalization, warning messages and vehicle informationAllows drivers to personalize vehicle features, including warning messages and vehicle information
120-volt box-mounted power outlet: 3-prong auxiliary household-style outletLocated in the pickup bedMay require additional optional equipment
120-volt power outlet: 3-prong auxiliary household-style outletLocated on the instrument panelMakes it convenient for powering laptops, phone chargers and other electronic devicesMay require additional optional equipment
13.4" diagonal multicolor reconfigurable Infotainment screen
Adaptive Cruise Control: Automatically follows a detected vehicle ahead at a driver-selected following gap1If no vehicle is detected in your path, works like regular cruise control You can always override the feature and take controlMay require additional optional equipment
Assist handles: Front A-pillar mounted for Driver and PassengerRear B-pillar mounted
Carpeted floor covering: Color-keyed to match the interior
Compass: Located in instrument cluster
Driver memory: Recalls 2 driver presets for 10-way power seat and outside mirrors May require additional optional equipment
Dual-zone automatic climate control: Automatically maintains the selected temperatures for both the driver and front passengerAllows individual climate settings for both driver and front passengerDriver and front passenger can choose a temperature up to 30 degrees difference
Front bucket seats: Includes center consoleMay require additional optional equipment
Front center console: Includes reconfigurable feature with cupholders, cell phone storage, power cord management, file holder capacity, removable storage tray and Wireless Charging1May require additional optional equipment
Head-Up Display: Projects vehicle information onto the windshield low in the driver's line of sight to help you keep your eyes on the road1Multi-color 15" diagonal Head-Up DisplayCan select key vehicle information to display including an off-road inclinometerAdjustable vertical position and brightness of the displayMay require additional optional equipment
Heated driver and front outboard passenger seats: Separate buttons on the climate control panel allow you to choose from 3 levels of warmthAt the touch of a button you can warm the cushions and seatbacks with multilevel temperature controlIndividually controlledSeats can be programmed to automatically warm up when it's cold out
Heated rear outboard seats: At the touch of a button you can warm the cushions and seatbacksProvide comfort in cold weather for passengers in the rear outboard seating positionsMay require additional optional equipment
Heated steering wheel: With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
In-Vehicle Trailering App: Checklist1Trailer light sequencingTrailer maintenance remindersTrailer security alertsTrailer mileageTow/haul reminderTrailer electrical diagnosticsIncludes trailer tire pressure monitoring alert ONLY when trailer tire pressure monitor system is factory ordered and sensors are installedMay require additional optional equipment
Keyless Open and Start: With the Keyless Entry fob in your possession, conveniently locks and unlocks your car's doors without manually activating the key fobWith the vehicle in Park or Neutral, press the brake pedal and then press the start/stop button to start the vehicle; the button will illuminateShift to Park and press the start/stop button to turn off the vehicle
Outside temperature display: Located in infotainment display
Power door locks: ProgrammableAllows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob
Power tilt and telescoping steering column: Allows the driver to adjust the steering wheel up or down, and the steering column forward or backUse the driver memory to save and recall memory settingsProvides extra comfort when entering or exiting the vehicleMay require additional optional equipment
Power windows: Driver with express-up/downMay require additional optional equipment
Power windows: Front passenger with express-up/downMay require additional optional equipment
Power windows with rear express-down: May require additional optional equipment
Premium front floor liners with removable carpet insert
Premium rear floor liners with removable carpet insert: May require additional optional equipment
Rear Camera Mirror: Uses a camera to provide you with the option of using a wide and less obstructed view behind your vehicle while driving instead of a traditional rearview mirror1The feature also allows brightness, vertical tilt and zoom adjustmentsMay require additional optional equipment
Rear air vents: Provides cabin comfort for rear occupants
Rear window defogger: Helps to keep your rear view clear of fog or frostUtilizes a warming grid to help remove fog or frost from the rear window
Remote Start: Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferencesLocks doors and turns on parking lamps while the engine is runningActivates the climate control system
Theft-deterrent unauthorized entry system: Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitterHelps deter unauthorized entry, helping to protect your vehicle
USB ports: (2) Charge ports located on rear of console1
USB ports: (2) Data/charge ports located inside center console1
USB ports: (2) First row, located on console1
Universal Home Remote: 3-channel programmableConveniently activates compatible devices such as garage door openers, security systems, and home automation devices from inside your vehicleMay require additional optional equipment
Up-level rear seat with storage package: 60/40 Full-length folding bench seatSeatback storage on left and right sideCenter fold out armrest with 2 cupholdersUnderseat storage (full cab width)
Ventilated driver and front passenger seats: Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulationIndividually controlledCooling feature includes both seatbacks and cushionsMay require additional optional equipment
Wireless Charging: Uses induction technology for portable electronic devicesConvenient charging location at the front of the center consoleDevice may require optional case for phones that are compatibleCustomers can charge their smartphones while they drive without connecting to any cablesMay require additional optional equipment
Wrapped steering wheel
10-speed automatic transmission with Electronic Precision shift and front bucket seats: Electronically controlled transmission with overdrive and Driver Shift Control Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads Powertrain Grade Braking Automatically uses the engine and transmission to slow the truck to maintain desired speeds when driving downhillReduces brake wear and increases vehicle controlCruise Grade Braking Downshifts automatically to slow the truck as it drives downhill if it exceeds the cruise set speed by a certain amountMay require additional optional equipment
170-amp alternator: May require additional optional equipment
2-speed Autotrac Transfer Case: 2WD HI modeVehicle operates in 2-wheel driveIn this mode the transfer case & front driveline hardware are disengaged to improve fuel economySuitable for routine driving on all road surfaces4WD Auto mode4WD Auto enables the transfer-case to provide the performance benefits of a full time active AWD systemThe 4WD Auto controls automatically adjust torque in response to parameters such as driver inputs, wheel slip control, vehicle dynamic state (understeer/oversteer)Ideal for wet or wintry conditions, but can be used on any road surface. Suitable for light off road usage4WD HI modeTransfer case engages front driveline and power is transferred to both the front & rear axlesIn 4WD HI the transfer case clutch maintains higher preemptive torque levels for increased traction vs 4WD AutoSuitable for use on slippery road surfaces or off-road conditions such as deep sand, snow or rough terrain4WD LO modeIn 4WD Low the transfer case clutch maintains a high preemptive coupling torque to maximize traction and improve wheel control when climbing or descending steep grades or obstacles Suitable for off road usage, steep terrain, deep snow or sandIdeal for off road driving to maximize low speed traction and increase control on steep gradesNeutralONLY used for towing vehicle (Dinghy tow capability)- allows vehicle to roll freelyMay require additional optional equipment
3.23 rear axle ratio: May require additional optional equipment
4-wheel antilock disc brakes: Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfacesDuralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
6.2L EcoTec3 V8 engine: 420 hp [313 kW] at 5600 rpm460 lb-ft of torque [624 Nm] at 4100 rpmDynamic Fuel Management technologyPaired with a 10-speed automatic transmission May require additional optional equipment
7,100 lbs. GVWR: When properly equipped; includes weight of vehicle, passengers, cargo and equipment
Active Exhaust, Dual, sport-mode enabled
Aluminized stainless-steel muffler and tailpipe
Automatic Stop/Start: At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts offWhen drivers remove their foot from the brake, the engine automatically restartsUnder certain circumstances, the engine will not shut off at a complete stopThis feature can be disabled with a switch on the center stack
Automatic locking rear differential: When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added tractionThe Eaton Locker senses a difference in wheel speed of approximately 100 rpm
Brake pad wear indicator
Capless fuel fill: Prevents paint scratches that can result from a tethered fuel capCreates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
Cargo tie-downs (12)
Electric Power Steering: Electric, rack-mounted with variable assistIncreases or decreases the amount of assist depending on the steering wheel angleThe system delivers great on-center precision and confident performance at higher speedsSteering assist is greater during low-speed maneuvers, such as parking
Electronic Transmission Range Selector: Console mountedIncludes steering column paddle shiftersMay require additional optional equipment
External auxiliary transmission oil cooler: Heavy-duty air-to-oil coolerHelps provides optimal transmission performance even when operating under a heavy load or towing a trailerMay require additional optional equipment
External engine oil cooler: Heavy-duty air-to-oil coolerHelps prevent possible engine oil breakdown under heavy loads
Fully boxed frame: Hydroformed front sectionHigh-strength steel
Heavy-Duty Air Filter: Thick construction helps to trap more dirt before it can enter the air intakeMay require additional optional equipment
Heavy-duty 730 cold-cranking amps battery: 80 Amp-hrMaintenance-free with rundown protection and retained accessory powerMay require additional optional equipment
Heavy-duty 850 cold-cranking amps battery: 95 Amp-hrMaintenance-free with rundown protection and retained accessory power May require additional optional equipment
Hill Descent Control: Uses antilock braking to help provide a smooth, controlled descentHelps driver maintain control of the vehicle without depressing the brake pedalActivates by pushing a button below the instrument panelMay require additional optional equipment
Integrated trailer brake controller: Integrated with the antilock brake system (ABS)Helps provide measured brake force signaling to electric-controlled trailer brake systemsTrailer gain and output are displayed in the Driver Information Center
Off-Road, 2-inch factory-installed lift: Monotube Rancho shocksProvides more ground clearanceImproved approach and departure anglesMay require additional optional equipment
Pickup bed: Roll-formed high-strength steel
Push Button Start
Red vertical recovery hooks: Two front frame-mounted1
Skid plates: Help protect the front underbody, oil pan, differential case and transfer caseMay require additional optional equipment
AT4 Preferred Package: Universal Home RemoteRear sliding power window
AT4 Premium Package: AT4 Preferred PackageOff-Road High Clearance steps
GMC Pro Safety: Forward Collision Alert1Following Distance Indicator1Front Pedestrian Braking1Lane Keep Assist with Lane Departure Warning1Automatic Emergency Braking1Buckle to Drive1IntelliBeam1Safety Alert Seat1 on AT4, AT4X, Denali and Denali UltimateEnhanced Automatic Emergency Braking1 is standard on Denali and Denali Ultimate2
Technology Package: Rear Camera Mirror1Multi-color 15" Diagonal Head-Up DisplayBed View Camera on AT4May require additional optional equipment
Trailering Package: Trailer hitch1Trailering hitch platformIncludes a 2" receiver hitch, 4-pin and 7-pin connectors7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicleHitch Guidance2
Fuel System: Direct Injection
Fuel tank capacity: 24 gal
Horsepower: 420
LED Daytime Running Lamps: Daytime Running Lamps automatically illuminate signature lighting
6 airbags: Dual-stage frontal airbags for driver and front outboard passenger1Seat-mounted side-impact airbags for driver and front outboard passenger1Head-curtain airbags for outboard seating positions1Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
Automatic Emergency Braking: Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1Can automatically provide hard emergency braking or enhance your hard brakingWorks at speeds between 5 and 50 mphMay require additional optional equipment
Bed View Camera: Camera in the Center High Mount Stop Lamp (CHMSL) provides an elevated view of the truck bed from the back of the cab1Allows driver to see inside the cargo bed on the infotainment display to help with 5th wheel or gooseneck hitching and to check cargoIncludes 2 Trailer Camera ProvisionsMay require additional optional equipment
Buckle to Drive: Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckledThe feature also reminds the front passenger to buckle up, if equipped
Following Distance Indicator: Displays the following time in seconds between your vehicle and a detected vehicle in front of you1Designed to help you maintain a safe following distanceMay require additional optional equipment
Forward Collision Alert: Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1Can also provide a tailgating alert if you're following a vehicle much too closelyMay require additional optional equipment
Front and Rear Park Assist: Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle1These can help you park and avoid collisionsMay require additional optional equipment
HD Surround Vision: Provides selectable digital camera views of the area around your vehicle1Can help you park or avoid vehicles and objectsYou can also display a guideline to show where your vehicle is headingTailgate must be in the raised position for the HD Rear Vision Camera to operate properlyIncludes 2 Trailer Camera Provisions Requires Auxiliary Trailer Camera if one of the following camera views is desired: Transparent Trailer, Rear Trailer View, Picture-in-Picture or Inside Trailer View May require additional optional equipment
Hitch Guidance: When in Reverse, displays a centered guideline on the Rear Vision Camera view1Can help you line up the hitch to your trailerWhen driving, lets you check the trailer using Rear Vision Camera view
Hitch View: Shows a close-up view of the trailer hitch1In Reverse, the view can be used to line up your hitch to your trailerWhen driving, the view can be used to check your trailer hitchShifting to Park automatically engages the Electric Parking Brake (if equipped)May require additional optional equipment
Inside/Rear Trailer Camera Input: Includes trailer viewing software May require additional optional equipment
Lane Keep Assist with Lane Departure Warning: Uses a brief steering wheel turn to alert you when it detects you are unintentionally drifting out of your lane lines1System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your laneYou may receive additional Lane Departure Warning alerts if neededMay require additional optional equipment
OnStar Basics: Drive confidently with core OnStar services including1Remote commandsBuilt-in voice assistanceReal-time traffic and navigationAutomatic Crash Response to help if you're in need
OnStar services capable: See onstar.com for details and limitations. Services vary by model. Service plan required.
Rear Cross Traffic Braking: When in Reverse, alerts you or automatically provides hard emergency braking to prevent a collision with detected vehicles crossing behind you1May require additional optional equipment
Rear Pedestrian Alert: When you're in Reverse, alerts you to detected pedestrians directly behind your vehicle1Limited nighttime and low visibility performanceMay require additional optional equipment
Rear Seat Belt Indicator
Rear Seat Reminder: Helps to remind the driver to check the back seat(s) before leaving the vehicle1Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is onUnder certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver displayActivates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
Safety Alert Seat: Uses left-, right- or both-side driver seat vibration pulses to help you detect and identify the direction of potential crashes1You can also switch to beeping crash avoidance alertsMay require additional optional equipment
Seat Belt Adjustable Guide Loops: Front row only
Tire Pressure Monitoring System with Tire Fill Alert: Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressureProperly inflate tires to help optimize your vehicle's ride, handling and efficiency
Trailer Side Blind Zone Alert: Provides visual side-mirror alerts when a moving vehicle is detected in a side blind zone that is extended to trailer lengths1
Front Pedestrian Braking: At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard brakingLimited nighttime and low visibility performanceMay require additional optional equipment
StabiliTrak, electronic stability control system with traction control: Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended pathActivates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travellingIncludes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roadsIncludes Brake Assist that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if requiredIncludes Trailer Sway ControlHill Start Assist
Max seating capacity: 5
Towing capacity: 8900 lbs
Basic: 3 Years/36,000 Miles
Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
Drivetrain: 5 Years/60,000 Miles, Sierra TurboMaxTM engines, 3.0L & 6.6L Duramax Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
Maintenance: First Visit: 12 Months/12,000 Miles
Roadside Assistance: 5 Years/60,000 Miles, Sierra TurboMaxTM engines, 3.0L & 6.6L Duramax Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
Warranty: >
Seller description
**Dominate Every Adventure in This 2026 GMC Sierra 1500 AT4**Cappellino Buick GMC presents an exceptional opportunity to own the brand-new 2026 GMC Sierra 1500 AT4 in stunning Sterling Metallic. With only 3 miles on the odometer, this powerhouse pickup (Stock #G26712, VIN: 3GTUUEEL5TG360158) is ready to redefine your driving experience.**Uncompromising Power & Performance**Under the hood roars the legendary 6.2L EcoTec3 V8 engine, delivering commanding power through a smooth 10-speed automatic transmission with electronic precision shift. This beast is built for serious capability with a 7,100 lb GVWR, four-wheel drive, off-road suspension with 2 factory lift, and auto-locking rear differential. The active dual exhaust with sport mode adds an aggressive soundtrack to match its bold presence.**Premium AT4 Luxury**Step inside the sophisticated Jet Black cabin with Kalahari accents featuring perforated leather front bucket seats. Enjoy the comfort of heated and ventilated front seats, heated rear seats, and a heated steering wheel. The driver and passenger benefit from 10-way power adjustments with memory settings, ensuring perfect positioning every time.**Cutting-Edge Technology**Stay connected with the massive 13.4 diagonal Premium GMC Infotainment System featuring Google built-in navigation and voice assistance, wireless Apple CarPlay, and wireless Android Auto. The Bose premium 7-speaker sound system delivers concert-quality audio. Monitor everything through the multicolor 15 head-up display and enhanced 12.3 digital driver information center.**Advanced Safety & Convenience**GMC Pro Safety provides comprehensive protection with Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, and Front Pedestrian Braking. The Technology Package adds HD Surround Vision, rear camera mirror, bed view camera, and adaptive cruise control. The power sunroof, universal home remote, and wireless charging keep you connected and comfortable.**Built for Work & Play**The versatile GMC MultiPro tailgate, spray-on bedliner, and integrated trailer brake controller make hauling effortless. Black sport steps, 20 machined aluminum wheels, and the power rear sliding window with defogger complete this ultimate truck package.Visit Cappellino Buick GMC today and experience the 2026 Sierra 1500 AT4 where rugged capability meets refined luxury! All pricing and details provided are believed to be accurate, but we do not warrant or guarantee such accuracy. The prices shown above may vary from region to region, as will incentives, and are subject to change. New vehicles offered may be eligible for manufacturer incentives which may change at any time and are subject to incentive qualification criteria and requirements, and which may be contingent upon manufacturer finance company approval. Manufacturer incentive data and vehicle features information is provided by third parties and believed to be accurate as of the time of publication. Vehicle information is based upon standard equipment and may vary from vehicle to vehicle. Please contact the dealership.
CappellinoBuickGMC Used VinSolutions Only
306 miles away from you!
Location: 5411 Transit Road, Williamsville, NY 14221
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Frequently Asked Questions About the 2026 GMC Sierra
The average price of a used 2026 GMC Sierra is $45,504 based on 69,504 listings currently available nationwide. Prices range from $7,999 to $91,340 depending on mileage, condition, and location. This particular Sierra in Williamsville, NY is listed at $75,650.
Used 2026 GMC Sierra vehicles on our marketplace have an average of 49,486 miles. This specific vehicle has 3 miles on the odometer. You can compare mileage across all available units on the GMC Sierra listings page.
Reliability varies by model year, maintenance history, and driving conditions. We recommend checking the vehicle history report and having an independent inspection before purchase.
The 2026 GMC Sierra runs on Gasoline. Exact fuel economy figures vary by trim level and driving conditions. Check fueleconomy.gov for EPA estimates specific to this model year.
There are 769,898 used Pickup vehicles priced under $100,000 currently listed on our marketplace. Browse all options on the Used Pickup under $100,000 page. You can also narrow your search to Used GMC vehicles under $100,000 if you prefer to stay with the GMC brand.