Key Features

An icon representing Body Type
Body Type Pickup
An icon representing Fuel Type
Fuel Type
An icon representing Engine Description
Engine Description
An icon representing Drivetrain
Drivetrain 4WD
An icon representing Cab Type
Cab Type Crew Cab
An icon representing Trim
Trim Pro

Vehicle Details

checklist

Overview

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Stock Number

048552

Stock Type

New

Year

2026

Make
GMC
Model
Sierra 2500
Model Code

TK20943

Cab Type

Crew

Vehicle Trim

Pro

Body Type
Pickup
VIN

1GT4ULE7XTF126431

Brake Type

Hydraulic

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Dimensions

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Dimensions

Class

3

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Drivetrain

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Drivetrain

4WD

Transmission

Transmission Type

Automatic

manufacturing

Engine

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Engine Description

6.6L V8 Gas engine

Engine Cylinder Count

8

Engine Model

L8T

Engine Size (L)

6.6

Horsepower

401

Fuel Type

Gasoline

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Seating

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Seat Dimensions

Seating Capacity

6

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Colors

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Exterior Color

White

Interior Color

Jet Black, Cloth seat trim

verified

Vehicle Options

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  • Wireless phone projection for Apple CarPlay and Android Auto
  • Bumper, front chrome lower
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Seat trim, Vinyl
  • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
  • Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
  • Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
  • Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.) (STD)
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
  • Driver Information Center, 3.5" diagonal monochromatic display
  • Transmission, 10-Speed automatic (STD)
  • Moldings, beltline, Black
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • LED Signature DRL's
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Bumper, rear chrome with bumper CornerSteps
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Windows, power rear, express down (Not available on Regular Cab models.)
  • Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
  • Window, power front, passenger express down
  • Air filter, heavy-duty
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.)
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Cooling, external engine oil cooler
  • Mirror, inside rearview, manual tilt
  • Cruise control, steering wheel-mounted
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
  • Daytime Running Lamps, LED signature lighting
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Door handles, Black grained
  • Brake lining wear indicator
  • Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
  • Power outlet, front auxiliary, 12-volt
  • Door locks, power
  • Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
  • Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • 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.)
  • Seat adjuster, passenger 4-way manual
  • Remote Keyless Entry
  • Air conditioning, single-zone
  • Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
  • Push Button Start
  • Auto-locking rear differential
  • Windows, power front, drivers express up/down
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Compass, located in instrument cluster
  • Steering wheel, urethane
  • Suspension Package (Not available with (X31) Off-Road Package.)
  • HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
  • Steering, Recirculating Ball with smart flow power steering system
  • Cooling, auxiliary external transmission oil cooler
  • Air filtration monitoring
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • Recovery hooks, front, frame-mounted, Black
  • Air vents, rear (Not available with Regular Cab model.)
  • Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Grille (Chrome with flat black grille insert bars.)
  • CornerStep, rear bumper
  • Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
  • Exterior Temperature Display, located in radio display
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
  • Four wheel drive
  • Steering column, Tilt-Wheel, manual with wheel locking security feature
  • Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
  • Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
  • Audio system, GMC Infotainment System with 7" diagonal color touch-screen AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable (STD)
  • Trailer brake controller, integrated
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
  • Seat adjuster, driver 4-way manual
  • Pro Preferred Equipment Group
  • Convenience Package
  • Mirrors, outside power-adjustable vertical trailering
  • Wheels, 18" (45.7 cm) 8-spoke painted steel, Silver Extended
  • Power outlet, bed mounted, 120-volt
  • Tailgate, gate function manual with EZ Lift
  • Jet Black, Cloth seat trim
  • Tires, LT275/70R18E all-terrain, blackwall
  • Tire, spare LT275/70R18 all-terrain, blackwall
  • LED Cargo Area Lighting
  • Power outlet, instrument panel, 120-volt
  • Summit White
  • GVWR, 11,050 lbs. (5012 kg)
  • Emissions, Federal requirements
  • Lamps, Smoked Amber roof marker, (LED)
  • Defogger, rear-window electric
  • Glass, deep-tinted

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Listing Notes
Summit White 2026 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8 Recent Arrival! Convenience Package (Deep-Tinted Glass, Electric Rear-Window Defogger, EZ Lift Power Lock and Release Tailgate, LED Cargo Area Lighting, and Outside Power-Adjustable Black Mirrors), Preferred Equipment Group 1SA (2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, Chrome Grille with Flat Black Grille Insert Bars, OnStar Services Capable, Push Button Start, Remote Keyless Entry, Solar Absorbing Tinted Glass, and Wireless Phone Projection), Suspension Package, 10-Speed Automatic, 4WD, Black Cloth, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 3.73 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic Emergency Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heavy-Duty 80 Amp Battery, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Lane Departure Warning System, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Box, Power steering, Power windows, Premium audio system: GMC Infotainment System, Radio: AM/FM with GMC Infotainment System, Rear reading lights, Rear step bumper, Remote keyless entry, Speed control, Split folding rear seat, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, Wheels: 17 Silver Painted Steel, and Wheels: 18 Silver 8-Spoke Painted Steel. 10-Speed Automatic, 4WD, Black Cloth.
*PRICES DO NOT INCLUDE TAX, TITLE, OR LICENSE FEES. Some customers may not qualify for every incentive available. See dealer for verification. Current offers: $500 - Buick & GMC Consumer Cash Program. Exp. 03/31/2026
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Excludes tax, tag and other fees. This estimate is for general information purposes only.
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