REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Lake Chevrolet · Devils Lake, ND

2026 GMC Sierra 3500 HD AT4

21,366 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
TrimAT4
Stock numberC7T2861
Mileage21,366 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
Towing20000

Vehicle description

Summary Buy and Drive with Confidence - Devil's Lake Worry Free Guarantee - 3 Day / 300 Mile Return or Exchange, 3 Month / 3,000 mile coverage on powertrain, brakes, bulbs, batteries and tires $0 Deductible. 350+ 4.6 STARS POSITIVE REVIEWS ON GOOGLE. See why people from all over the country do business with us! Serving North Dakota for over 100 years! Fast, Easy and Great Vehicles. Looking for the hard to find preowned Longbox Duramax, check out this loaded up 2026 GMC Sierra 3500 AT4 with Turnball. This is a local trade, customer just upgraded trucks. For more information or to schedule a no hassle test drive, give me Dave Brustad a call or text to 701-888-4312 or email dbrustad@devilslakecars.com Vehicle Details Discover exceptional capability and premium comfort in this pre-owned 2026 GMC Sierra 3500 AT4, now available in Devils Lake, ND. With just 21,363 miles, this low-mileage heavy-duty pickup is ready to tackle demanding work, weekend adventures, and everything in between. Powered by a V8, 6.6L Diesel engine and equipped with 4WD, this GMC Sierra 3500 AT4 delivers the strength, confidence, and durability drivers expect from a true heavy-duty truck. Built for serious performance, this GMC Sierra 3500 AT4 comes loaded with sought-after features that elevate every drive. Enjoy the comfort of a Heated Steering Wheel, the convenience of Remote Start, and the confidence of Adaptive Cruise Control for smoother highway travel. The Off-Road Package adds rugged capability for challenging terrain, while the BOSE Stereo brings rich, immersive sound to every journey. Inside and out, the GMC Sierra 3500 AT4 blends premium refinement with bold styling and dependable strength. Whether you need a powerful truck for towing, hauling, or daily driving, this diesel 4x4 offers the versatility and capability to handle it all. If you're searching for a pre-owned GMC Sierra 3500 AT4 in Devils Lake, ND, this low-mileage diesel powerhouse deserves a closer look. Experience heavy-duty performance and upscale features in one impressive package today.

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Heated Seats
  • Keyless Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • Sunroof/Moonroof
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Rain Sensing Wipers
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Turbo Charged Engine
  • Premium Sound System
  • 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
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • SiriusXM
  • SiriusXM with 360L Trial Subscription
  • GMC MultiPro Tailgate
  • Hitch area lighting
  • Power lock and release
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • Chrome mirror caps
  • AT4 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
  • LED fog lamps
  • Single Rear Wheels
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Rainsense automatic wipers
  • Rear wheelhouse liners
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Body-color front bumper
  • IntelliBeam
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • 20" LT275/65R20 all-terrain, blackwall tires
  • Black beltline moldings
  • Tailgate with EZ Lift assist, power lock & release
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Body-color rear bumper
  • With integrated CornerSteps
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • 20" high gloss Black aluminum wheels
  • High gloss Black mirror caps
  • Body-color door handles
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Grille, Gloss Black header and grille insert bars with Black chrome accents
  • Tailgate and bed rail protection caps
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • 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
  • Power sliding rear window with rear defogger
  • Onyx Black
  • USB ports
  • (2) Charge ports located on rear of console
  • (2) Data/charge ports located inside center console
  • Outside temperature display
  • Located in infotainment display
  • Front 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
  • Rear window defogger
  • Premium front floor liners with removable carpet insert
  • Seat trim, Perforated Front Leather seating surfaces
  • Steering-wheel mounted controls
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Power windows with driver express-up/down
  • 10-way power front passenger seat
  • Includes 8-way power front passenger seat
  • Includes a 2-way power lumbar control
  • Compass
  • Located in instrument cluster
  • Power door locks
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • 120-volt power outlet
  • 3-prong auxiliary household-style outlet
  • Located on the instrument panel
  • Manual tilt and telescoping steering column
  • Front bucket seats
  • You can always override the feature and take control
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • (2) First row, located on console
  • 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
  • Wrapped steering wheel
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • 120-volt box-mounted power outlet
  • Located in the pickup bed
  • Power windows with rear express-down
  • Driver memory
  • Premium rear floor liners with removable carpet insert
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location on the top of the center console
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • 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 Front Leather seating surfaces
  • 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
  • Heavy-Duty Air Filter
  • Four wheel drive
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Digital Variable Steering Assist
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Red vertical recovery hooks
  • Two front frame-mounted
  • 4-wheel antilock disc brakes
  • Brake pad wear indicator
  • Automatic locking rear differential
  • Off-Road suspension
  • 12,250 lbs. GVWR
  • Trailering wiring provisions for camper, 5th wheel and gooseneck trailer
  • For trailering fifth-wheel and gooseneck trailers
  • Emissions, Federal requirements
  • Heavy-duty 730 cold-cranking amps battery
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • 220-amp alternator
  • AT4 Preferred Package
  • Rear sliding power window
  • LED roof marker lamps
  • AT4 Preferred Equipment Group includes standard equipment
  • AT4 Premium Plus Package
  • Technology Package
  • AT4 high clearance step
  • AT4 Preferred Package on AT4
  • Option/package discount
  • Trailering Information Label
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • Following Distance Indicator
  • Designed to help you maintain a safe following distance
  • Rear Seat Reminder
  • Forward Collision Alert
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • OnStar services capable
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Buckle to Drive
  • Trailering camera provisions
  • Includes connector for accessory wiring harness
  • Trailer Side Blind Zone Alert
  • OnStar Basics
  • Drive confidently with core OnStar services including
  • Remote commands
  • Built-in voice assistance
  • Real-time traffic and navigation
  • Automatic Crash Response to help if you're in need
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Rear Cross Traffic Alert
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • Hitch View
  • Shows a close-up view of the trailer hitch
  • Seat Belt Adjustable Guide Loops
  • Front row only
  • Teen Driver
  • Front and Rear Park Assist
  • These can help you park and avoid collisions
  • Front Pedestrian Braking
  • Limited nighttime and low visibility performance

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · nationwide
Asking price$77,390Dealer asking price · 21,366 mi
Market value$77,741Market value · based on 14 comparable cars
vs. market Fair price-0.5%Fair price · based on 14 comparable cars

Where this price sits

In the typical middle range · 57% of 14 similar listings ask more than this car.

$70,990lowest$84,949highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-0.5%
−25%Market value+25%
Fair price$351 below the market value of $77,741

Price range

$77,390
$70,990$84,949
7th lowest price of 15 similar listings nationwideTick marks the market value · range of 14 similar listings

AutosXchange Insights

  • Compared with 14 used 2026 GMC Sierra 3500 AT4 listings nationwide.
  • Priced $351 below the market value of 14 comparable cars.
  • 7th lowest price of 15 similar listings nationwide.
  • Has about 10,000 more miles than similar listings.
  • About 21,366 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # C7T2861 — 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 3500 AT4 · used · any miles · nationwide. Showing the 12 nearest of 14 comparable cars for sale, nearest first.

2026 GMC Sierra 3500HD AT4 vehicle photo2026 GMC Sierra 3500HD AT410,964 miles · Auto Advantage · Miles City, MT · 349 mi away$79,500$2,110 more than this car2026 GMC Sierra 3500 HD AT4 vehicle photo2026 GMC Sierra 3500 HD AT415,624 miles · Sheridan Motors GMC · Sheridan, WY · 444 mi away$80,298$2,908 more than this car2026 GMC Sierra 3500 HD AT4 vehicle photo2026 GMC Sierra 3500 HD AT412,932 miles · Ghent Chevrolet · Greeley, CO · 609 mi away$80,700$3,310 more than this car2026 GMC Sierra 3500HD AT4 vehicle photo2026 GMC Sierra 3500HD AT423,315 miles · Robert Brogden's Garden City Honda · Garden City, KS · 705 mi away$72,949$4,441 less than this car2026 GMC Sierra 3500HD AT4 vehicle photo2026 GMC Sierra 3500HD AT46,208 miles · Karl Malone Chevrolet Park City · Park City, UT · 804 mi away$84,949$7,559 more than this carUsed 2026 GMC Sierra 3500HD AT4 vehicle photoUsed 2026 GMC Sierra 3500HD AT49,560 miles · Ed Kenley Ford · Layton, UT · 806 mi away$79,995$2,605 more than this car2026 GMC Sierra 3500HD AT4 vehicle photo2026 GMC Sierra 3500HD AT412,418 miles · High Country Motor Company · Orem, UT · 832 mi away$76,443$947 less than this car2026 GMC Sierra 3500HD AT4 vehicle photo2026 GMC Sierra 3500HD AT49,285 miles · Jim Schmidt Chevrolet of Delphos · Delphos, OH · 874 mi away$72,655$4,735 less than this car2026 GMC Sierra 3500HD AT4 vehicle photo2026 GMC Sierra 3500HD AT418,859 miles · Jim Schmidt Chevrolet of Delphos · Delphos, OH · 874 mi away$72,905$4,485 less than this car2026 GMC Sierra 3500 HD AT4 vehicle photo2026 GMC Sierra 3500 HD AT46,495 miles · Baglier Buick GMC · Butler, PA · 1,055 mi away$77,990$600 more than this car2026 GMC Sierra 3500 HD AT4 vehicle photo2026 GMC Sierra 3500 HD AT410,421 miles · Power Buick GMC of Salem · Salem, OR · 1,162 mi away$70,990$6,400 less than this car2026 GMC Sierra 3500 HD AT4 vehicle photo2026 GMC Sierra 3500 HD AT412,087 miles · Power Buick GMC of Salem · Salem, OR · 1,162 mi away$70,990$6,400 less than this car

More GMC Sierra 3500 near Devils Lake

All years and trims. Nearest first.