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2026 GMC Sierra 2500HD AT4 4WD Automatic

Vin: 1GT4UPE78TF409370

Stock: B2600496

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Description

Vehicle Details

Exterior:

Onyx Black

Interior:

Jet Black with Kalahari accents

Body Type:

Crew Cab Pickup

Drive Type:

4WD

Engine:

Gas V8 6.6L/

Transmission:

Automatic

Model Code:

TK20743

Specifications

Exterior

Bed Step
Bedliner
Bumper
Bumper
Cargo tie downs (12)
CornerStep
Door handles
Fog lamps
Glass
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)

More...

Bed Step
Bedliner
Bumper
Bumper
Cargo tie downs (12)
CornerStep
Door handles
Fog lamps
Glass
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
Headlamps
IntelliBeam
Lamps
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Mirror caps
Mirrors
Moldings
Tailgate and bed rail protection caps
Tailgate
Tailgate
Taillamps
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tire
Tires
Wheelhouse liners
Wheels
Wipers

Interior

Adaptive Cruise Control
Air conditioning
Air vents
Assist handles front A-pillar mounted for driver and passenger
Audio System
Bluetooth® for phone connectivity to vehicle infotainment system
Bose Sound System
Center Console
Compass
Defogger

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Adaptive Cruise Control
Air conditioning
Air vents
Assist handles front A-pillar mounted for driver and passenger
Audio System
Bluetooth® for phone connectivity to vehicle infotainment system
Bose Sound System
Center Console
Compass
Defogger
Door locks
Driver Information Center
Driver memory recalls driver presets for power driver seat and outside mirrors
Exterior Temperature Display
Floor covering
GMC Premium information Display- 13.4 diagonal Multicolor touch screen
Keyless Open and Start includes remote keyless entry
Mirror
Power outlet
Power outlet
Premium Floor Liners with removable carpet insert
Premium Floor Liners with removable carpet insert
Rear Seat Reminder
Remote vehicle starter system
Seat adjuster
Seat adjuster
Seat trim
Seat
Seating
Seats
Seats
Seats
SiriusXM Trial Subscription
SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy
Steering column
Steering wheel audio controls
Steering wheel
Steering wheel
Theft-deterrent system
USB ports
USB Ports
USB Ports
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Window
Windows
Windows
Wireless Charging
Wireless phone projection for Apple CarPlay and Android Auto

Mechanical

Air filter
Air filtration monitoring
Alternator
Auto-locking rear differential
Battery
Brake lining wear indicator
Brakes
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Cooling
Cooling

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Air filter
Air filtration monitoring
Alternator
Auto-locking rear differential
Battery
Brake lining wear indicator
Brakes
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Cooling
Cooling
Engine
Four wheel drive
Frame
GVWR
Hill Descent Control
In-Vehicle Trailering App
Pickup bed includes bed assist step
Push Button Start
Rear axle
Recovery hooks
Skid Plates protect the oil pan
Steering
Suspension
Trailer brake controller
Transfer case
Transmission

Safety

Airbags
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Bed View Camera
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
Daytime Running Lamps
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Front and Rear Park Assist
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.

More...

Airbags
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Bed View Camera
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
Daytime Running Lamps
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Front and Rear Park Assist
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Hitch Guidance with Hitch View with image adjustment
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
LED Signature DRL's
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Rear Cross Traffic Alert
Rear Seat Belt Indicator
Safety Alert Seat
Seat Belt Adjustable Guide Loops
StabiliTrak
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob
Tire Pressure Monitoring System
Trailer Camera Provisions and trailer viewing software
Trailer Side Blind Zone Alert
Trailering Information Label provides max trailer ratings for tongue weight

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Payment And Price Options

Lease For

$945.87

Per Month

for 39 months

Term 39 months

Due at signing $9,033

Lease this 2026 GMC Sierra 2500HD AT4 (Model TK20743; VIN 1GT4UPE78TF409370). MSRP $80,874.00. With $8,087.00 down at $945.87 for 39 months, on approv ...

Lease this 2026 GMC Sierra 2500HD AT4 (Model TK20743; VIN 1GT4UPE78TF409370). MSRP $80,874.00. With $8,087.00 down at $945.87 for 39 months, on approved credit. $0.00 security deposit required. $9,032.87 due at signing - includes 1st mo. payment of $945.87. Total payments: $36,888.93. Must finance through GM Financial. Selling price $79,257.00.Tax, title, license, and #DOCFEE dealer doc fee are extra. Offer assumes these paid at time of sale. Lessee responsible for maintenance, repairs, excessive wear and tear, and $0.25/mile over 12000 miles/year. Early lease termination fee may apply. Option to purchase vehicle at lease end is $50,950.62. Offer cannot be combined with any other offers. Residential restrictions may apply. Available on in-stock units only. See dealer for complete details. Offer Expires: 10/08/2026.

Finance For

$1,166.26

Per Month

for 72 months at 6.1% APR

Term 72 months

Down payment $8,087

Finance this 2026 GMC Sierra 2500HD AT4 (Model TK20743, VIN 1GT4UPE78TF409370). MSRP $80,874.00. Selling price $78,257.00, with $8,087.00 down at $1,1 ...

Finance this 2026 GMC Sierra 2500HD AT4 (Model TK20743, VIN 1GT4UPE78TF409370). MSRP $80,874.00. Selling price $78,257.00, with $8,087.00 down at $1,166.26 for 72 months at 6.10% APR, on approved credit. Total payments: $83,970.72. Must finance through Ally Loan. $14.90 per $1,000 financed. Tax, title, license, and #DOCFEE dealer doc fee are extra. Offer assumes these paid at time of sale. Offer cannot be combined with any other offers. Residential restrictions may apply. Available on in-stock units only. See dealer for complete details. Offer Expires: 10/31/2026.