2026 GMC Sierra AT4X
- Used
- Diesel
The highlights
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Power moonroof
- Premium audio system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
The full specifications
- 1-touch down
- 1-touch up
- Adaptive Cruise Control
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar
- Front beverage holders
- Front dual zone A/C
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Moonroof sunshade: manual
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power moonroof
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start
- Remote keyless entry
- Speed control
- Surround View Monitor: HD Surround Vision w/Hitch View yes
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front tires: 305/70RR18.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 305/70RR18.0E
- Single rear wheels
- Speed-sensing steering
- Wheel size: 18"
- 1st row LCD monitors: 2
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 13.4"
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose Performance Series
- Speakers: 12
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless Phone Charger: front
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather steering wheel
- Leather upholstery
- Max seating capacity: 5
- Power 4-way driver lumbar support
- Power 4-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Cylinder configuration: V-8
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Hybrid electric powertrain type: none
- Hybrid system combined power torque: none
- Hybrid system net power: none
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Transmission: 10 speed automatic
- Variable valve control
- Departure angle: 26 deg
- Auto-dimming door mirrors
- Bedliner
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch
- Trailer sway control
- Turn signal indicator mirrors
- Engine displacement: 6.6 L
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,100mm (82.7")
- Front headroom: 1,013mm (39.9")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 7.9m (25.9')
- Wheelbase: 4,039mm (159.0")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera cargo
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Exterior parking camera right
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Heads up display
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: UltraSonic front and rear
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross-Traffic Alert warning
- Security system
- Traction control
Notes from the dealer
This car is covered under our Platinum Advantage WarrantyPlatinum Advantage Details:-165-point inspection -3 months/4,000 miles *Whichever comes first* *From vehicle purchase date*-1-year Roadside Assistance-Deductible is $100 -Vehicle History Report -Rental and Towing Reimbursement
Vehicle Details
Experience rugged luxury with this 2026 GMC Sierra 2500 AT4X, a powerful 4WD workhorse now available in Greenville, SC. With only 16,388 miles, this GMC Sierra boasts low mileage and is ready to tackle tough jobs and weekend adventures with confidence. Under the hood sits a robust V8 6.6L diesel engine delivering class-leading torque and towing capability-perfect for hauling heavy loads or towing trailers with ease.
This AT4X trim balances off-road prowess and upscale comfort. Inside, enjoy premium features like a heated steering wheel for chilly mornings, seamless smartphone integration via Android Auto, and Satellite Radio for entertainment on long drives. Advanced safety tech includes Lane Departure Warning and Cross-Traffic Alert, elevating driver awareness and peace of mind on busy roads and tight parking situations.
Exterior upgrades and rugged AT4X styling give this GMC Sierra an authoritative presence, while its 4WD system ensures confidence on rough terrain and poor weather. Whether you need a dependable work truck or a capable weekend explorer, this GMC Sierra 2500 AT4X delivers durability, modern convenience, and refined interior touches.
Located in Greenville, SC, this low-mileage GMC Sierra 2500 AT4X is a standout choice for drivers seeking diesel power, advanced safety features, and rugged sophistication. Schedule a test drive today and experience the commanding performance and comfort this diesel-powered GMC Sierra has to offer.
Equipment
Apple CarPlay: Seamless smartphone integration for this model - stay connected and entertained on the go! This GMC Sierra's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This 2026 GMC Sierra 2500 has a clean CARFAX vehicle history report. Bluetooth technology is built into this model, keeping your hands on the steering wheel and your focus on the road. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this unit. Anywhere on the planet, you will have hundreds of digital stations to choose from. Engulf yourself with the crystal clear sound of a BOSE sound system in it. An off-road package is equipped on this GMC Sierra. Protect this vehicle from unwanted accidents with a cutting edge backup camera system. The GMC Sierra has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This unit's Lane Departure Warning helps keep you in your lane.This three-quarter ton truck can tow almost anything. The vehicle has four wheel drive capabilities. Anti-lock brakes will help you stop in an emergency. The GMC Sierra has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This 3/4 ton pickup offers Android Auto for seamless smartphone integration. This GMC Sierra offers Apple CarPlay for seamless connectivity. The high efficiency automatic transmission shifts smoothly and allows you to relax while driving. Engulf yourself with the crystal clear sound of a BOSE sound system in this 2026 GMC Sierra 2500. Protect this 2026 GMC Sierra 2500 from unwanted accidents with a cutting edge backup camera system. This model has a durable long lasting bed liner. This model has an elegant black exterior finish. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. Maintaining a stable interior temperature in this 2026 GMC Sierra 2500 is easy with the climate control system. This GMC Sierra warns of approaching vehicles with Cross-Traffic Alert. This 3/4 ton pickup features cruise control for long trips. With a diesel engine you will be pleased with the power, torque, and fuel efficiency gains. This vehicle has a V8, 6.6L high output engine. Know you and your passengers are protected with the front and rear side curtain airbags in this vehicle. The fog lights cut through the weather so you can see what's ahead. This model is equipped with front air bags. Stay safe with additional front side curtain airbags. This 2026 GMC Sierra 2500 features a hands-free Bluetooth phone system. The vehicle is pure luxury with a heated steering wheel. Quickly unlock this 3/4 ton pickup with keyless entry. This GMC Sierra's Lane Departure Warning helps keep you in your lane. The leather seats in this model are a must for buyers looking for comfort, durability, and style. With the adjustable lumbar support in this vehicle your back will love you. The installed navigation system will keep you on the right path. An off-road package is installed on the GMC Sierra so you are ready for your four-wheeling best. This vehicle is outfitted with an OnStar communication system. A front power adjustable seat increases driver comfort. This 3/4 ton pickup has a premium sound system installed. The premium wheels make this 2026 GMC Sierra 2500 stand out from the crowd. Never get into a cold vehicle again with the remote start feature on this vehicle. The premium quality running boards make it easier to get in and out of this 3/4 ton pickup and give it a nice look too. The satellite radio system in this GMC Sierra gives you access to hundreds of nation-wide radio stations with a clear digital signal. The steering wheel audio controls on this GMC Sierra keep the volume and station within easy reach. This 2026 GMC Sierra 2500 comes with a sliding sunroof to let in sunshine and fresh air. This model has an adjustable telescoping wheel that allows you to achieve a perfect fit for your driving comfort. The traction control system on this model instantly senses tire slippage and executes minute power adjustments to maintain traction at all speeds. This 2026 GMC Sierra 2500 is equipped with the latest generation of XM/Sirius Radio.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15 Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners. Gooseneck/5th Wheel Prep Package. Onyx Black. GMC MultiPro Tailgate Step Lights. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Additional Information
This car is covered under our Platinum Advantage WarrantyPlatinum Advantage Details:-165-point inspection -3 months/4,000 miles *Whichever comes first* *From vehicle purchase date*-1-year Roadside Assistance-Deductible is $100 -Vehicle History Report -Rental and Towing Reimbursement
Every reasonable effort has been made to ensure the accuracy of the information contained on this site; however, absolute accuracy cannot be guaranteed. This website, and all information and materials appearing on it, are presented to the user âas is,â without warranty of any kind, either express or implied. All vehicles are subject to prior sale. Prices do not include the Infrastructure Maintenance Fee of $500, South Carolina Department of Motor Vehicles (SCDMV) tag and title fees, or any applicable taxes or additional fees. â¡Vehicles shown at different locations are not currently in our inventory (âNot in Stockâ) but may be made available at our dealership within a reasonable period, not to exceed one week from the time of request. Dealer discounts include Ford packaged incentives. Must present or print this advertisement to receive the internet price. Call the dealer for complete pricing details. Not all customers will qualify for all discounts or Fairway incentives; please contact the dealer for complete details. Retail prices may include factory discount packages and/or dealer-installed accessories or add-ons. The dealer closing fee of $399 is included in the advertised price.
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
KBB.com Consumer Reviews
Every reasonable effort has been made to ensure the accuracy of the information contained on this site; however, absolute accuracy cannot be guaranteed. This website, and all information and materials appearing on it, are presented to the user “as is,” without warranty of any kind, either express or implied. All vehicles are subject to prior sale. Prices do not include the Infrastructure Maintenance Fee of $500, South Carolina Department of Motor Vehicles (SCDMV) tag and title fees, or any applicable taxes or additional fees. ‡Vehicles shown at different locations are not currently in our inventory (“Not in Stock”) but may be made available at our dealership within a reasonable period, not to exceed one week from the time of request. Dealer discounts include Subaru of America packaged incentives. Must present or print this advertisement to receive the internet price. Call dealer for complete pricing details. Not all customers will qualify for all discounts or Fairway incentives; please contact the dealer for complete details. Retail prices may include factory discount packages and/or dealer-installed accessories or add-ons.







