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2026 GMC Sierra 2500
$78,742•new
MSRP: $90,285
Basics
Condition
new
Interior Color
jet black w/kalahari accents
Exterior Color
onyx black
Drivetrain
Four-wheel Drive
Transmission
Automatic
Fuel
Diesel
Engine
Duramax 6.6L V8 Turbodiesel
VIN
1GT4UPEY9TF378879
Stock Number
25689
Mileage
2
Features
Entertainment
•
Premium Sound System
Exterior
•
Alloy Wheels
•
Sunroof/Moonroof
•
LED Headlights
•
Tow Hitch
Seating
•
Cooled Seats
•
Heated Seats
•
Leather Seats
•
Memory Seat
Convenience
•
USB Port
•
Adaptive Cruise Control
•
Keyless Start
•
Heated Steering Wheel
•
Remote Start
•
Tow Hooks
•
Navigation System
Safety
•
Automatic Emergency Braking
•
Backup Camera
•
Blind Spot Monitor
•
Brake Assist
•
Stability Control
•
Lane Departure Warning
•
Rear Cross Traffic Alert
View Full List of Features
Features
These features are associated with this vehicle type. Contact the seller to confirm this specific vehicle has them.
- 10-Way Power Driver Seat Adjuster with Lumbar
- 10-Way Power Passenger Seat Adjuster with Lumbar
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- 2 Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- 2 USB Ports
- 2-Speed Active Transfer Case
- 20' High Gloss Black 8 Spokes Aluminum Wheels
- 3-point seatbelt Rear seat center 3-point seatbelt
- 4-Wheel Disc Brakes
- 4WD type AutoTrac part and full-time 4WD
- 7 Speakers
- ABS Brakes 4-wheel antilock (ABS) brakes
- ABS Brakes Four channel ABS brakes
- ABS brakes
- AM/FM Stereo with Premium GMC Infotainment System
- AM/FM radio: SiriusXM with 360L
- AT4 Preferred Package
- AT4 Premium Plus Package
- Accessory power Retained accessory power
- Adaptive Cruise Control
- Adaptive cruise control
- Air Conditioning
- Air conditioning Yes
- All-in-one key All-in-one remote fob and ignition key
- Alloy wheels
- Alternator Type Alternator
- Amplifier
- Android Auto
- Antenna Fixed audio antenna
- Apple CarPlay
- Apple CarPlay/Android Auto
- Armrests front center Front seat center armrest
- Armrests rear Rear seat center armrest
- Auto High-beam Headlights
- Auto door locks Auto-locking doors
- Auto headlights Auto on/off headlight control
- Auto high-beam headlights
- Auto-dimming Rear-View mirror
- Auto-dimming door mirror driver Auto-dimming driver side mirror
- Auto-dimming door mirror passenger Auto-dimming passenger side mirror
- Auto-dimming door mirrors
- Automatic Emergency Braking
- Automatic temperature control
- Backup Camera
- Basic warranty 36 month/36
- 000 miles
- Battery charge warning
- Battery run down protection
- Bed Liner
- Bed View Camera with Two Trailer Camera Provisions
- Bed liner Spray-in pickup bed liner
- Bed-rail protectors Pickup bed-rail protectors
- Beverage holders Front beverage holders
- Beverage holders rear Rear beverage holders
- Blind Spot Monitor
- Blind spot Trailer Side Blind Zone Alert blind spot warning
- Block heater Engine block heater
- Body panels Galvanized steel/aluminum body panels with side impact beams
- Bose Premium 7-Speaker Sound System
- Box style Standard style pickup box
- Boxside steps BedStep integrated side steps
- Brake Assist
- Brake assist
- Brake assist system Automatic Emergency Braking brake assist system
- Brake pad warning Brake pad wear indicator
- Brake type 4-wheel disc brakes
- Buckle to Drive
- Built-in virtual assistant Google Built-In built-in virtual assistant
- Bumper insert Dark chrome front bumper insert
- Bumper rub strip front Black front bumper rub strip
- Bumpers front Body-colored front bumper
- Bumpers rear Body-colored rear bumper
- Bumpers: body-color
- Cab mounted cargo light
- Cabback insulator
- Camera HD Surround Vision w/Hitch View aerial view camera
- Child door locks Manual rear child safety door locks
- Clearance lights Cab clearance lights
- Climate control Automatic climate control
- Clock Digital clock
- Compass
- Compressor Intercooled turbo
- Configurable instrumentation gauges
- Console insert material Chrome console insert
- Convex spotter Driver and passenger convex spotter mirrors
- Cooled Driver Seat
- Cooled Passenger Seat
- Cooled front seats Ventilated driver and front passenger seats
- Corrosion perforation warranty 72 month/100
- 000 miles
- Cruise control Cruise control with steering wheel mounted controls
- Cylinder head material Aluminum cylinder head
- DEF fluid gauge Diesel exhaust fluid (def) gauge
- Day/Night rearview mirror
- Deep-Tinted Glass
- Delay off headlights Delay-off headlights
- Delay-off headlights
- Door ajar warning
- Door bins front Driver and passenger door bins
- Door bins rear Rear door bins
- Door handle material Body-colored door handles
- Door locks Power door locks with 2 stage unlocking
- Door mirror style Black door mirrors
- Door mirror type Power extendable trailer mirrors
- Door mirrors Power door mirrors
- Door panel insert Aluminum and sim carbon fiber door panel insert
- Door trim insert Vinyl door trim insert
- Drive type Four-wheel drive
- Driver Memory
- Driver door bin
- Driver foot rest
- Driver information center
- Driver lumbar Driver seat with 2-way power lumbar
- Driver seat direction Driver seat with 8-way directional controls
- Driver selectable steering effort
- Driver vanity mirror
- Dual Climate Control
- Dual front impact airbags
- Dual front side impact airbags
- Dual-zone front climate control
- Duramax 6.6L Turbo-Diesel V8 Engine
- Easy lift tailgate EZ Lift
- Easy lower tailgate EZ Lower
- Electric Rear-Window Defogger
- Electronic Stability Control
- Electronic parking brake
- Electronic stability control Electronic stability control system with anti-roll
- Emergency SOS Capable OnStar vehicle integrated emergency SOS system
- Emergency communication system: OnStar
- Emissions Federal emissions
- Engine Configuration V8
- Engine Location Front mounted engine
- Engine Mounting direction Longitudinal mounted engine
- Engine block material Iron engine block
- Engine cooler Engine oil cooler
- Engine hour meter
- Engine retarder Engine retarder system
- Engine temperature warning
- Engine/electric motor temperature gauge
- Exterior 120V AC power outlet 1 exterior 120V AC power outlet
- Exterior mirror spot lights Exterior mirror LED spot lights
- External memory Premium GMC Infotainment System external memory control
- Federal Emissions Requirements
- Fenders Black fender flares
- First-row sunroof First-row sliding and tilting glass sunroof with power 1-touch activation sunshade
- First-row windows Power first-row windows
- Floor console Full floor console
- Floor console storage Covered floor console storage
- Floor coverage Full floor coverage
- Floor covering Full carpet floor covering
- Floor mats Rubber front and rear floor mats with carpet inserts
- Floor-Mounted Center Console
- Fob engine controls Keyless Open/Keyless Start with hands-free access and push button start
- Fog lights LED front fog lights
- Folding door mirrors Power folding door mirrors
- Folding rear seats 60-40 folding rear seats
- Following Distance Indicator
- Forward Collision Alert
- Forward collision warning Forward Collision Alert with Automatic Braking
- Four Wheel Drive
- Front Bucket Seats
- Front Center Armrest
- Front License Plate Kit
- Front Pedestrian Braking
- Front Premium Floor Liners with Removable Carpet Insert
- Front Rain-Sensing Wipers
- Front anti-roll Front anti-roll bar
- Front anti-roll bar
- Front camera Front mounted camera with washer
- Front dual zone A/C
- Front fog lights
- Front head restraint control Manual front seat head restraint control
- Front head restraints Height adjustable front seat head restraints
- Front impact airbag driver Driver front impact airbag
- Front impact airbag passenger Passenger front impact airbag
- Front passenger lumbar Front passenger seat with 2-way power lumbar
- Front reading lights
- Front seat upholstery Leather front seat upholstery
- Front seatback upholstery Plastic front seatback upholstery
- Front side impact airbag driver Seat mounted side impact driver airbag
- Front side impact airbag passenger Seat mounted side impact front passenger airbag
- Front wheel independent suspension
- Full gauge cluster screen
- Fully automatic headlights
- Garage door opener
- Gauge cluster display size (inches) Gauge cluster display size: 12.30
- Gearshifter material Urethane gear shifter material
- Gloss Black Header Grille and Grille Insert Bars
- Glove box Locking glove box
- Gooseneck/5th Wheel Prep Package
- Grille style Dark chrome grille
- HD Surround Vision
- HD front springs Heavy-duty front springs
- Handsfree Bluetooth handsfree wireless device connectivity
- Head up display Head-up display
- Head-Up Display
- Headlight type Projector beam headlights
- Headlights LED low and high beam headlights
- Headlights on reminder
- Headliner coverage Full headliner coverage
- Headliner material Cloth headliner material
- Heated 2nd Row Outboard Seats
- Heated Driver and Front Outboard Passenger Seats
- Heated Seats
- Heated Steering Wheel
- Heated door mirrors
- Heated door mirrors Heated driver and passenger side door mirrors
- Heated front seats
- Heated front seats Heated driver and front passenger seats
- Heated rear seats
- Heated steering wheel
- Heavy-Duty 80 Amp Battery
- High mount stop light High mounted center stop light
- Hill Descent Control
- Hill control Hill Descent Control (HDC)
- Hill start assist
- Hitch Guidance with Hitch View
- Hitch Package
- Ignition type Push-button
- Illuminated entry
- Immobilizer
- In-Vehicle Trailering System App
- In-box lighting LED in-box lighting
- Inclinometer
- Inside Rearview Auo-Dimming Rear Camera Mirror
- Instrumentation display Digital/analog instrumentation display
- Integrated tailgate step
- IntelliBeam Automatic High Beam On/off
- IntelliBeam Automatic High Beam on/Off
- Interior 120V AC power outlets 1 interior 120V AC power outlet
- Interior accents Chrome interior accents
- Internet access Wi-Fi Hotspot capable mobile hotspot internet access
- Internet radio capability
- Jet Black W/Kalahari
- Key in vehicle warning
- Keyfob cargo controls Keyfob trunk control
- Keyfob keyless entry
- Keyfob remote start
- Keyfob window controls Keyfob window control
- Keyless Entry
- Keyless Open and Start
- Keyless Start
- LED Cargo Area Lighting
- LED Smoked Amber Roof Marker Lamps
- LED brake lights
- LT275/65R20 AT BW Tires
- Lane Departure Warning
- Lane Departure Warning System
- Lane departure Lane Departure Warning
- Leather Seats
- Left camera Left side camera
- License plate front bracket Front license plate bracket
- Lock-up transmission
- Locking hub control Auto locking hub control
- Low level warnings Low level warning for oil
- coolant
- fuel
- washer fluid
- brake fluid and diesel exhaust fluid (DEF)
- Low tire pressure warning
- Low tire pressure warning Tire specific low air pressure warning
- Maintenance warranty 12 month/unlimited
- Manual Tilt-Wheel/Telescoping Steering Column
- Memory Seat
- Memory seat
- Memory settings Memory settings include: door mirrors
- Mobile app access MyGMC Mobile App mobile app access
- Multicolor 15' Diagonal Head-Up Display
- Multiple headlights Multiple enclosed headlights
- Number of airbags 6 airbags
- Number of beverage holders 8 beverage holders
- Number of doors 4 doors
- Number of first-row screens 2 total number of 1st row displays
- Number of memory settings 2 memory settings
- Occupancy sensor Airbag occupancy sensor
- Occupant sensing airbag
- Off-Road High Clearance Step
- Off-Road Suspension
- Oil pressure gauge
- Oil pressure warning
- OnStar Services Capable
- One-touch down window Front and rear one-touch down windows
- One-touch up window Driver and passenger one-touch up windows
- Onyx Black
- Outside temperature display
- Overdrive transmission
- Overhead airbag
- Overhead airbags Curtain first and second-row overhead airbags
- Overhead console
- Overhead console Mini overhead console
- Paint Non-metallic paint
- Panel insert Aluminum instrument panel insert
- Panic alarm
- Parking sensors UltraSonic front and rear parking sensors
- Passenger door bin
- Passenger doors rear left Conventional left rear passenger door
- Passenger doors rear right Conventional right rear passenger door
- Passenger seat direction Front passenger seat with 8-way directional controls
- Passenger vanity mirror
- Pedestrian detection Front Pedestrian Braking
- Perforated Leather-Appointed Front Seat Trim
- Perimeter approach lighting Remote activated perimeter approach lighting
- Pickup Box
- Pickup box camera
- Power Driver Seat
- Power Front Passenger Windows with Express Up/Down
- Power door mirrors
- Power driver seat
- Power driver seat controls Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- Power passenger seat
- Power passenger seat controls Passenger seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- Power steering
- Power windows
- Powertrain type ICE
- Powertrain warranty 60 month/60
- 000 miles
- Preferred Equipment Group 4SB
- Premium audio system: Premium GMC Infotainment System
- Primary display size 13.4 inch primary display
- Primary display touchscreen Primary monitor touchscreen
- ProGrade Trailering System
- Provisions Snow plow provisions
- Push Button Start
- Radiator
- Radio AM/FM/SiriusXM with 360Lsatellite
- Radio: AM/FM Stereo with Premium GMC Infotainment System
- Rain Sensing Front Wipers
- Rain detecting wipers
- Rain sensing wipers
- Rear Cross Traffic Alert
- Rear Premium Floor Liners with Removable Carpet Insert
- Rear Springs Regular grade rear springs
- Rear Wheelhouse Liners
- Rear bumper step
- Rear camera HD Rear Vision Camera w/Hitch View rear mounted camera
- Rear cargo door MultiPro Tailgate tailgate
- Rear collision warning Rear Cross-Traffic Alert collision warning
- Rear console climate control ducts
- Rear head restraint control 2 rear seat head restraints
- Rear head restraint control Manual rear seat head restraint control
- Rear head restraints Height adjustable rear seat head restraints
- Rear locking differential Automatic rear locking differential
- Rear reading lights
- Rear seat center armrest
- Rear seat check warning Rear Seat Reminder rear seat check warning
- Rear seat direction Front facing rear seat
- Rear seat folding position Fold-up rear seat cushion
- Rear seat upholstery Vinyl rear seat upholstery
- Rear seatback upholstery Carpet rear seatback upholstery
- Rear seats Split-bench rear seat
- Rear seats fixed or removable Fixed rear seats
- Rear step bumper
- Rear under seat ducts Rear under seat climate control ducts
- Rear window defroster
- Rearview mirror Auto-dimming rear view mirror
- Remote Vehicle Starter System
- Remote keyless entry
- Remote panic alarm
- Restricted driving mode/alerts Teen Driver restricted driving mode/alerts
- Right camera Right side camera
- Roadside warranty 60 month/60
- 000 miles
- Running lights LED daytime running lights
- Safety Alert Seat
- Satellite trial 3 month satellite trial subscription
- Seatback storage pockets 2 seatback storage pockets
- Seatbelt pretensioners Front seatbelt pretensioners
- Seatbelt pretensioners number 2 seatbelt pre-tensioners
- Seating capacity 5
- Second-row windows Power second-row windows
- Security system
- Seek scan
- Selectable mode transmission
- Sequential shift control
- Service interval warning Service interval indicator
- Shock absorbers Rancho gas-pressurized shock absorbers
- SiriusXM with 360L Trial Subscription
- Skid Plates
- Skid plate 3 underbody skid plates
- Smart device integration Apple CarPlay/Android Auto smart device wireless mirroring
- Smart device remote start
- Snow Plow Prep/Camper Package
- Snow Plow Prep/camper Package
- Spare tire Full-size spare tire with steel wheel
- Spare tire location Crank-down spare tire
- Speakers Bose speakers
- Speakers number 7 speakers
- Special paint Monotone paint
- Speed control
- Speed sensitive steering Digital Steering Assist speed sensitive power steering
- Speed-sensing steering
- Speedometer Redundant digital speedometer
- Split folding rear seat
- Split front seats Bucket front seats
- Spray-on Pickup Bedliner with GMC Logo
- Springs front Front torsion springs
- Springs rear Rear leaf springs
- Stability Control
- Steering Hydraulic power-assist steering system
- Steering Wheel Audio Controls
- Steering mounted audio control Steering wheel mounted audio controls
- Steering type Re-circulating ball steering
- Steering wheel material Leatherette steering wheel
- Steering wheel mounted audio controls
- Steering wheel telescopic Manual telescopic steering wheel
- Steering wheel tilt Manual tilting steering wheel
- Sunroof/Moonroof
- Suspension Off-road ride suspension
- Suspension ride type front Independent front suspension
- Suspension ride type rear Rigid axle rear suspension
- Suspension type front Short and long arm front suspension
- Suspension type rear Leaf spring rear suspension
- Tachometer
- Tailgate control Tailgate/power door lock
- Tailpipe Stainless steel single exhaust
- Telescoping steering wheel
- Temperature display Exterior temperature display
- Tilt steering wheel
- Tinted windows Deep tinted windows
- Tires LT275/65SR20 AT BSW front and rear tires
- Tow Hooks
- Tow hooks front 2 front tow hooks
- Towing brake controller Trailer brake controller
- Towing class Class IV tow rating
- Towing gooseneck hitch Gooseneck trailer hitch
- Towing hitch Trailer hitch
- Towing hitch light Trailer hitch light
- Towing prep 5th wheel and gooseneck prep
- Towing trailer sway Trailer sway control
- Towing wiring harness Trailer wiring harness
- Traction Control
- Traction control
- Traction control All-speed ABS and driveline traction control
- Trailer Cam Provisions and Trailer Viewing Software
- Trailer Hitch
- Trailer Side Blind Zone Alert
- Trailer light malfunction warning
- Trailer light test
- Trailer theft alarm
- Transfer case Electronic transfer case shift
- Transmission Allison 10-speed automatic
- Transmission Type Automatic
- Transmission fluid temperature warning Transmission fluid temp warning
- Transmission oil cooler
- Transmission temperature gauge Transmission fluid temperature gauge
- Trip computer
- Trip odometer
- Turbocharged
- Turn signal in door mirrors Turn signal indicator in door mirrors
- Turn signal indicator mirrors
- Turn signal warning Turn signal on warning
- Turn-by-turn nav OnStar Turn-by-Turn Navigation
- Two-Speed Transfer Case
- USB Port
- USB ports 6 USB ports
- Ultrasonic Front and Rear Park Assist
- Unauthorized Entry Theft-Deterrent System
- Under seat tray rear Rear under seat tray
- Universal Home Remote
- Variable panel light Variable instrument panel light
- Variably intermittent wipers
- Vehicle and trailer reverse assist Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- Vehicle to trailer hitching assist Hitch Guidance vehicle to trailer hitching assist
- Vehicle tracker Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Ventilated Driver and Front Passenger Seats
- Ventilated brakes Front and rear ventilated disc brakes
- Ventilated front seats
- Video rearview mirror Video-feed rearview mirror
- Visor driver mirror Driver visor mirror
- Visor illuminated driver mirror Illuminated driver visor mirror
- Visor illuminated passenger mirror Illuminated passenger visor mirror
- Visor passenger mirror Passenger visor mirror
- Voice activated audio Voice activated audio controls
- Voltmeter
- WIFI Hotspot
- Weight capacity alert GCW Alert weight capacity alert
- Wheel covers Wheel hub covers
- Wheels 20 x 8.5-inch front and rear black aluminum wheels
- Wheels: 20in High Gloss Black 8 Spokes Aluminum
- Window Trim Black side window trim
- Wipers Variable intermittent front windshield wipers
- Wireless Charging
- Wireless Phone Projection
- Wireless device charging Front wireless smart device charging
- Wireless streaming Bluetooth wireless audio streaming
- X31 Off-Road Package
- in-Vehicle Trailering System App
Seller's Comments
This stunning 2026 GMC Sierra 2500HD AT4 in Black combines capability and premium comfort for discerning truck buyers. Powered by a formidable 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, this truck delivers serious hauling and towing performance. With virtually no miles on the odometer, you're getting a factory-fresh vehicle ready for adventure or work.**Key Features:**- 6.6L V8 Diesel Turbocharged engine with 10-speed automatic transmission- Bose Premium 7-Speaker Sound System with SiriusXM satellite radio- Apple CarPlay and Android Auto smartphone integration- 15'' diagonal head-up display with multicolor graphics- Heated and ventilated leather front seats with 10-way power adjustment- HD Surround Vision with multiple camera angles and trailer viewing- Automatic Emergency Braking and Forward Collision Alert- Wireless charging and wireless phone projection- Remote vehicle starter system and keyless open and start- 20'' high gloss black aluminum wheelsThe AT4 package brings genuine off-road capability with an independent front suspension, hill descent control, and an active transfer case. Premium floor liners protect the cabin, while the spray-on bedliner with GMC logo shields your cargo area. Advanced safety features including lane departure warning, rear cross traffic alert, and trailer side blind zone alert provide confidence on every journey.This truck represents the pinnacle of GM's diesel truck engineering and luxury appointments. Don't miss the opportunity to own this exceptional new Sierra 2500HD. Schedule your test drive today to experience its commanding performance and refined interior firsthand.At Karl Chevrolet/GMC we want to help you find the best new or used car in Webster City that suits your needs. When you buy a new car at Karl Chevrolet/GMC you know you're finding a vehicle you can rely on. We have a great selection of CarBravo Quality Pre-Owned Vehicles. We also pride ourselves in creating a friendly atmosphere and a reliable Dealership that you can trust. Call us and our experts will be glad to help you! (515) 209-7117. *Equipment and options are generated by a 3rd party vendor, exact vehicle options may vary. Please see a salesperson for complete details and vehicle information. Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026
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Karl Chevrolet GMC of Webster City
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1705 2nd St
Webster City, Iowa 50595
(515) 209-7117
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