SouthFork Chrysler Dodge Jeep Ram

2026 GMC Sierra 2500HD AT4



  • $88,342 PRICE

  • Asking Price: $88,117
  • Doc Fee: $225
  • Price $88,342
$1,105 /month
7.99% APR
84 months
  • Documentation Fee $225
  • Starting Price $88,342
  • Down Payment $17,668
*Excludes tax, title & fees
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Vehicle Information

VIN: 1GT1UPEY1TF116437
Stock #: TF116437C
Model Code: TK20743
  • Body Style Crew Cab
  • Exterior Color Black
  • Interior Color Jet Black
  • Mileage 7,437
  • Engine 8 Cyl - 6.6 L
  • Transmission 10-Speed Automatic
  • Fuel Type Diesel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Take command of the road in this impressive 2026 GMC Sierra 2500HD AT4. Equipped with a powerful Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this truck is ready to tackle any terrain with its robust 4WD capabilities.

- AT4 Preferred Package
- AT4 Premium Plus Package
- Gooseneck/5th Wheel Prep Package
- Technology Package
- X31 Off-Road Package
- Universal Home Remote
- Off-Road Suspension
- LED Smoked Amber Roof Marker Lamps
- Inside Rearview Auto-Dimming Rear Camera Mirror
- Multicolor 15 Diagonal Head-Up Display
- Hill Descent Control
- Power Sunroof
- Power Sliding Rear Window with Defogger

This Sierra 2500HD AT4 is loaded with premium features that elevate your driving experience. Enjoy the comfort of heated and ventilated leather-appointed front seats, a heated steering wheel, and a Bose premium audio system. Stay connected with wireless charging, Apple CarPlay/Android Auto, and a suite of advanced safety technologies like Forward Collision Alert, Automatic Emergency Braking, and Rear Cross Traffic Alert.

Whether tackling rugged off-road terrain or cruising down the highway, this Sierra 2500HD AT4 delivers exceptional capability and refined luxury. Experience the ultimate in power, versatility, and premium amenities behind the wheel of this exceptional truck.

Eligible Benefits

All Features

  • AT4 Preferred Package
  • AT4 Premium Plus Package
  • 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
  • 3-point seatbelt Rear seat centre 3-point seatbelt
  • 3.73 Rear Axle Ratio
  • 4-Wheel Disc Brakes
  • 4WD type AutoTrac part and full-time 4WD
  • 7 Speakers
  • ABS brakes
  • ABS Brakes 4-wheel antilock (ABS) brakes
  • ABS Brakes Four channel ABS brakes
  • Accessory power Retained accessory power
  • 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
  • AM/FM radio: SiriusXM with 360L
  • Amplifier
  • Antenna Fixed audio antenna
  • Apple CarPlay/Android Auto
  • Armrests front centre Front seat centre armrest
  • Armrests rear Rear seat centre armrest
  • Auto door locks Auto-locking doors
  • Auto headlights Auto on/off headlight control
  • Auto High-beam Headlights
  • Auto high-beam headlights IntelliBeam auto high-beam headlights
  • Auto-dimming door mirror driver Auto-dimming driver side mirror
  • Auto-dimming door mirror passenger Auto-dimming passenger side mirror
  • Auto-dimming door mirrors
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Automatic temperature control
  • Basic warranty 36 month/60,000 km
  • Battery charge warning
  • Battery run down protection
  • Battery type Dual lead acid batteries
  • Bed liner Spray-in pickup bed liner
  • Bed View Camera with Two Trailer Camera Provisions
  • Bed-rail protectors Pickup bed-rail protectors
  • Beverage holders Front beverage holders
  • Beverage holders rear Rear beverage holders
  • Blind spot Trailer Side Blind Zone Alert blind spot warning
  • 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 system Automatic Emergency Braking predictive brake assist system
  • Brake pad warning Brake pad wear indicator
  • Brake type 4-wheel disk 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-coloured front bumper
  • Bumpers rear Body-coloured rear bumper
  • Bumpers: body-color
  • Cab mounted cargo light
  • Cabback insulator
  • Camera HD Surround Vision w/Hitch View aerial view camera
  • Capless fuel filler
  • 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 front seats Ventilated driver and front passenger seats
  • Corrosion perforation warranty 72 month/160,000 km
  • Cruise control Cruise control with steering wheel mounted controls
  • Cylinder head material Aluminum cylinder head
  • Day/Night rearview mirror
  • Deep-Tinted Glass
  • DEF fluid gauge Diesel exhaust fluid (def) gauge
  • Delay off headlights Delay-off headlights
  • Delay-off headlights
  • Distance alert Following Distance Indicator
  • Door ajar warning
  • Door bins front Driver and passenger door bins
  • Door bins rear Rear door bins
  • Door handle material Body-coloured 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 fibre door panel insert
  • Door trim insert Vinyl door trim insert
  • Drive type Four-wheel drive
  • Driver door bin
  • Driver foot rest
  • Driver information centre
  • Driver lumbar Driver seat with 2-way power lumbar
  • Driver Memory
  • Driver seat direction Driver seat with 8-way directional controls
  • Driver selectable steering effort
  • Driver vanity mirror
  • Dual front impact airbags
  • Dual front side impact airbags
  • Dual-zone front climate control
  • Easy lift tailgate
  • Easy lower tailgate
  • Electric Rear-Window Defogger
  • Electronic parking brake
  • Electronic Stability Control
  • Electronic stability control StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • Emergency communication system: OnStar
  • Emergency SOS Capable OnStar vehicle integrated emergency SOS system
  • Emissions Federal emissions
  • Engine block material Iron engine block
  • Engine Configuration Duramax V8
  • Engine cooler Engine oil cooler
  • Engine Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 470HP
  • Engine hour metre
  • Engine Location Front mounted engine
  • Engine Mounting direction Longitudinal mounted engine
  • Engine retarder Engine retarder system
  • Engine Short Duramax 6.6L V-8
  • 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
  • Fenders Black fender flares
  • First-row sunroof First-row sliding and tilting glass sunroof with express open/close 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
  • Front anti-roll bar
  • Front anti-roll Front anti-roll bar
  • Front Bucket Seats
  • Front camera Front mounted camera with washer
  • Front Center Armrest
  • 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 Pedestrian Braking
  • Front Premium Floor Liners with Removable Carpet Insert
  • Front Rain-Sensing Wipers
  • 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
  • Fuel Type Diesel
  • 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
  • Handsfree Bluetooth® handsfree wireless device connectivity
  • HD Surround Vision
  • 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 door mirrors
  • Heated door mirrors Heated driver and passenger side door mirrors
  • Heated Driver and Front Outboard Passenger Seats
  • 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 centre stop light
  • Hill control Hill Descent Control (HDC)
  • Hill Descent Control
  • Hill start assist
  • Hitch Guidance with Hitch View
  • Ignition Compression ignition system
  • Ignition type Push-button
  • Illuminated entry
  • Immobilizer
  • In-box lighting LED in-box lighting
  • in-Vehicle Trailering System App
  • Inclinometer
  • Inside Rearview Auo-Dimming Rear Camera Mirror
  • Instrumentation display Digital/analog instrumentation display
  • Integrated tailgate step
  • IntelliBeam Automatic High Beam on/Off
  • Interior 120V AC power outlets 1 interior 120V AC power outlet
  • Interior accents Chrome interior accents
  • Interior courtesy lights Fade interior courtesy lights
  • Internet access Wi-Fi Hotspot capable mobile hotspot internet access
  • Internet radio capability
  • Key in vehicle warning
  • Keyfob cargo controls Keyfob trunk control
  • Keyfob keyless entry
  • Keyfob remote start
  • Keyfob window controls Keyfob window control
  • Keyless Open and Start
  • Lane departure Lane Departure Warning
  • Lane Departure Warning System
  • LED brake lights
  • LED Cargo Area Lighting
  • LED Smoked Amber Roof Marker Lamps
  • Left camera Left side camera
  • 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
  • Manual Tilt-Wheel/Telescoping Steering Column
  • 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 Suspension
  • Oil pressure gauge
  • Oil pressure warning
  • One-touch down window Front and rear one-touch down windows
  • One-touch up window Driver and passenger one-touch up windows
  • OnStar Services Capable
  • 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 Front and Rear Park Assist 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 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 Front Passenger Windows with Express Up/Down
  • Power passenger seat
  • Power passenger seat controls Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
  • Power Sliding Rear Window with Defogger
  • Power steering
  • Power Sunroof
  • Power windows
  • Powertrain type ICE
  • Powertrain warranty 60 month/100,000 km
  • Premium audio system: Premium GMC Infotainment System
  • Primary display size 13.4 inch primary display
  • Primary display touchscreen Primary monitor touchscreen
  • Push Button Start
  • Radiator
  • Radio AM/FM/SiriusXM with 360Lsatellite
  • Radio AM/FM/SiriusXMsatellite
  • Radio: AM/FM Stereo with Premium GMC Infotainment System
  • Rain detecting wipers
  • Rain sensing wipers
  • Rear bumper step CornerStep 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 Cross Traffic Alert
  • 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 Premium Floor Liners with Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Rear seat cheque warning Rear Seat Reminder rear seat cheque 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 fixed or removable Fixed rear seats
  • Rear seats Split-bench rear seat
  • Rear Springs Regular grade rear springs
  • Rear step bumper
  • Rear under seat ducts Rear under seat climate control ducts
  • Rear Wheelhouse Liners
  • Rear window defroster
  • Rear windshield Power rear windshield
  • Rearview mirror Auto-dimming rear view mirror
  • Remote keyless entry
  • Remote panic alarm
  • Remote Vehicle Starter System
  • Restricted driving mode/alerts Teen Driver restricted driving mode/alerts
  • Right camera Right side camera
  • Roadside warranty 60 month/160,000 km
  • 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 Tow/Haul Mode selectable mode transmission
  • Sequential shift control
  • Service interval warning Service interval indicator
  • Shock absorbers Rancho gas-pressurized shock absorbers
  • Side steps Side assist steps
  • SiriusXM with 360L Trial Subscription
  • Skid plate 3 underbody skid plates
  • Smart device integration Apple CarPlay/Android Auto smart device wireless mirroring
  • Smart device remote start
  • 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
  • Steering Hydraulic power-assist steering system
  • Steering mounted audio control Steering wheel mounted audio controls
  • Steering type Re-circulating ball steering
  • Steering Wheel Audio Controls
  • 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
  • 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
  • Technology Package
  • 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 front 2 front tow hooks
  • Towing brake controller Trailer brake controller
  • Towing class Class IV tow rating
  • Towing hitch light Trailer hitch light
  • Towing hitch Trailer hitch
  • Towing prep 5th wheel and gooseneck prep
  • Towing trailer sway Trailer sway control
  • Towing wiring harness Trailer wiring harness
  • Traction control
  • Traction control All-speed ABS and driveline traction control
  • Trailer Cam Provisions and Trailer Viewing Software
  • Trailer light malfunction warning
  • Trailer light test
  • Trailer Side Blind Zone Alert
  • Trailer theft alarm
  • Transfer case Electronic transfer case shift
  • Transmission Allison 10-speed automatic
  • Transmission electronic control
  • Transmission fluid temperature warning Transmission fluid temp warning
  • Transmission oil cooler
  • Transmission temperature gauge Transmission fluid temperature gauge
  • Transmission Type Automatic
  • Trip computer
  • Trip odometer
  • 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
  • Ultrasonic Front and Rear Park Assist
  • Unauthorized Entry Theft-Deterrent System
  • Under seat tray rear Rear under seat tray
  • Universal Home Remote
  • USB ports 6 USB ports
  • Variable panel light Variable instrument panel light
  • Variably intermittent wipers
  • Vehicle and trailer reverse assist Vehicle and trailer reverse assist with visual graphic guidance only
  • Vehicle to trailer hitching assist
  • Vehicle tracker Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
  • Ventilated brakes Front and rear ventilated disk brakes
  • Ventilated Driver and Front Passenger Seats
  • 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
  • Weight capacity alert GCW Alert weight capacity alert
  • Wheel covers Wheel hub covers
  • Wheels 18 x 8-inch front and rear machined w/painted accents aluminum wheels
  • Wheels 20 x 8.5-inch front and rear machined w/painted accents aluminum wheels
  • Wheels 22 x 9-inch front and rear black aluminum wheels
  • Wheels 22 x 9-inch front and rear machined w/painted accents aluminum wheels
  • Wheels: 20' High Gloss Black 8 Spokes Aluminum
  • Window Trim Black side window trim
  • Wipers Variable intermittent front windshield wipers
  • Wireless Charging
  • Wireless device charging Front wireless smart device charging
  • Wireless Phone Projection
  • Wireless streaming Bluetooth® wireless audio streaming
  • X31 Off-Road Package
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Pricing and Fees: Sale price excludes taxes, title, and license fees. A dealer documentation fee of $225 applies and is disclosed in the vehicle advertisement. Final sale price may include optional dealer-installed accessories, including but not limited to the SouthFork Protection Package, priced at $1,895.

Optional Accessories: The SouthFork Protection Package includes lifetime window tint ($305), LoJack ($895 with a 1-year warranty), and paint and fabric protection ($695 with a 1-year warranty). The SouthFork Protection Package and any additional dealer-installed accessories are optional and are not required for purchase.

Pricing and Availability Disclaimer: Residency restrictions may apply and may impact final pricing and eligibility. All pricing, specifications, and availability are subject to change without prior notice and are not considered final until confirmed in writing by an authorized dealership representative. The dealership reserves the right to correct any errors or omissions in pricing or vehicle information. Final pricing is determined solely at the discretion of the dealer. Maximum payload and towing capacity figures are estimates only and may vary based on vehicle configuration, installed equipment, passenger count, and cargo load. Customers should contact the dealership to verify all information and obtain complete details.

Max payload/towing estimate ratings shown. Additional options, equipment, passengers, and cargo weight may affect payload/towing weights. See dealer for details.