Map

Contact

Finance Application

NEW 2026 GMC Sierra 2500HD AT4X for sale in Effingham IL from Russ Braunecker Cadillac Buick GMC

Stock : 36392

VIN : 1GT4UZE7XTF400973

MSRP : $88,790
Sale Price : $84,149

Exterior : Coastal Dune - Tan Interior : Obsidian Rush Leather

Mileage : 6

Fuel : Gasoline

MPG : City / HWY

Transmission : 10-Speed Auto

Drive Type : 4WD

Engine : 6.6L V8

Cylinders : 8

HP : 401 @ 5200 rpm

- NEW -

2026 GMC Sierra 2500HD AT4X at Russ Braunecker Cadillac Buick GMC in Effingham IL

» SLIDESHOW

More Pics »

2026 GMC Sierra 2500HD AT4X thumbnail image 01

2026 GMC Sierra 2500HD AT4X thumbnail image 02

2026 GMC Sierra 2500HD AT4X thumbnail image 03

2026 GMC Sierra 2500HD AT4X thumbnail image 04

2026 GMC Sierra 2500HD AT4X thumbnail image 05

2026 GMC Sierra 2500HD AT4X thumbnail image 06

Experience exceptional heavy-duty capability, premium comfort, and serious off-road performance with the new 2026 GMC Sierra 2500HD AT4X, available at Russ Braunecker Cadillac Buick GMC in Effingham, Illinois. Combining rugged engineering with upscale craftsmanship and advanced technology, the Sierra 2500HD AT4X is designed for drivers who demand versatility from their truck. Whether you’re hauling equipment, tackling rough terrain, or traveling across Central Illinois, this GMC delivers bold styling, capable performance, and premium comfort.

Under the hood, this 2026 GMC Sierra 2500HD AT4X is equipped with a 6.6L V8 gasoline engine producing 401 horsepower and 464 lb-ft of torque. Paired with a 10-speed automatic transmission, this heavy-duty powertrain is engineered to deliver dependable performance for demanding work and everyday driving. The gasoline engine offers substantial torque for hauling and towing while providing an alternative to a diesel-powered truck.

The exterior makes a bold statement with the AT4X’s aggressive stance, distinctive GMC grille, and rugged off-road design. Its factory-installed suspension lift, 35-inch Goodyear Territory MT tires, specialized Multimatic DSSV dampers, and underbody protection help distinguish it from conventional heavy-duty pickups. A rear electronic-locking differential further supports traction in challenging conditions. Together, these features give the Sierra AT4X the presence and hardware to tackle demanding terrain while looking right at home on the road.

Inside, the Sierra 2500HD AT4X delivers a premium cabin designed around comfort and craftsmanship. Its Obsidian Rush interior, full-grain leather seating surfaces, and authentic Vanta ash wood trim create a distinctive upscale atmosphere. The 16-way power front seats with heating, ventilation, and massage functions help keep you comfortable on long commutes and extended road trips. This combination of luxury and durability makes the AT4X an appealing option for drivers who want a hardworking truck without giving up premium amenities.

Technology takes center stage with a 13.4-inch diagonal infotainment touchscreen and a 12.3-inch diagonal digital driver information center. The infotainment system supports compatible smartphone integration, navigation functions, and connected services, depending on equipment and subscriptions. Available camera technology can provide additional views around the truck and trailer, helping with maneuvering and trailering tasks. These modern features make it easier to stay connected and informed while enjoying the Sierra’s heavy-duty capabilities.

When it comes to towing and hauling, the Sierra 2500HD AT4X is built for demanding jobs. Its heavy-duty chassis and powerful 6.6L gasoline V8 make it a capable choice for drivers who need a truck for trailers, equipment, recreational vehicles, and other substantial loads.

The AT4X also combines its rugged engineering with driver-assistance and convenience technologies designed to support everyday driving. Depending on installed equipment, available features include HD Surround Vision, a head-up display, and advanced trailering assistance. The elevated driving position, specialized off-road suspension, and aggressive tires contribute to its distinctive driving experience.

If you’re searching for a new 2026 GMC Sierra 2500HD AT4X with a 6.6L V8 gas engine for sale near Effingham, IL, this truck deserves a closer look. With its gasoline-powered heavy-duty performance, off-road suspension components, premium leather interior, advanced infotainment technology, and bold AT4X styling, it offers a compelling combination of strength, comfort, and capability.

At Russ Braunecker Cadillac Buick GMC, we’re proud to help drivers throughout Effingham and Central Illinois find a truck that fits their work, recreation, and everyday needs. Visit our dealership to explore this new GMC Sierra 2500HD AT4X, review its equipment and towing specifications, discuss financing options, and experience its premium interior firsthand.

Contact Russ Braunecker Cadillac Buick GMC at 217-347-0505 or come by 2309 S Banker Street, Effingham, IL 62401 today to schedule your test drive, explore in-house financing options, or learn more about this exceptional 2026 GMC Sierra 2500HD AT4X before it’s gone! Happily servicing the Decatur, Mattoon, Effingham, Peoria, Morton, Bloomington, Vandalia, Altamont, Salem, Mt. Vernon, Flora, Louisville, Olney, Champaign, Centralia and surrounding areas!

•

4WD

•	Adaptive Cruise Control

•	Alloy Wheels

•	Android Auto

•	Apple CarPlay

•	Backup Camera

•	Backup Sensor

•	Blind Spot Monitor

•

Bluetooth

•	Collision Alert

•	Collision Avoidance

•	Cooled Seats

•	Cross Traffic Alert

•	Fog Lights

•	Heated Seats

•	Heated Steering Wheel

•

HomeLink

•	Keyless Entry

•	Lane Warning

•	Leather Seats

•	Memory Seat(s)

•	Navigation System

•	Onstar System

•	Rain Sensing Wipers

•	Remote Start

•	Running Boards

•	Spray-On Bedliner

•	Sunroof/Moonroof

•	Tow Package

•	Trailer Blind Spot Warning

•	10-Speed A/T

•	4-Wheel Disc Brakes

•	8 Cylinder Engine

•

A/C

•

ABS

•	Adaptive Cruise Control

•	Adjustable Steering Wheel

•	Aerial View Display System

•	Aluminum Wheels

•	AM/FM Stereo

•	Auto-Dimming Rearview Mirror

•	Automatic Highbeams

•	Auxiliary Audio Input

•	Back-Up Camera

•

Bed Liner

•	Blind Spot Monitor

•	Bluetooth Connection

•	Bucket Seats

•	Climate Control

•	Conventional Spare Tire

•	Cooled Front Seat

•	Cross-Traffic Alert

•	Cruise Control

•	Daytime Running Lights

•	Driver Adjustable Lumbar

•	Driver Air Bag

•	Driver Restriction Features

•	Floor Mats

•

Fog Lamps

•	Four Wheel Drive

•	Front Collision Mitigation

•	Front Collision Warning

•	Front Head Air Bag

•	Front Side Air Bag

•	Gasoline Fuel

•	Generic Sun/Moonroof

•	Heads-Up Display

•	Heated Front Seat

•	Heated Mirrors

•	Heated Rear Seat

•	Heated Steering Wheel

•	Integrated Tailgate Step

•	Integrated Turn Signal Mirrors

•	Intermittent Wipers

•	Keyless Entry

•	Keyless Start

•	Lane Departure Warning

•	Leather Seats

•	Leather Steering Wheel

•	Locking/Limited Slip Differential

•	Mirror Memory

•	MP3 Capability

•	Multi-Zone A/C

•	Navigation System

•	Passenger Adjustable Lumbar

•	Passenger Air Bag

•	Passenger Air Bag On/Off Switch

•	Passenger Air Bag Sensor

•	Power Door Locks

•	Power Driver Seat

•	Power Folding Mirrors

•	Power Mirror

•	Power Passenger Seat

•	Power Retractable Running Boards

•	Power Steering

•	Power Windows

•	Premium Sound System

•	Privacy Glass

•	Rain Sensing Wipers

•	Rear Bench Seat

•	Rear Defrost

•	Rear Head Air Bag

•	Rear Parking Aid

•	Remote Engine Start

•	Requires Subscription

•	Running Boards/Side Steps

•	Satellite Radio

•	Seat Memory

•	Seat-Massage

•	Security System

•	Sliding Rear Window

•	Smart Device Integration

•	Stability Control

•	Steering Wheel Audio Controls

•	Sun/Moonroof

•	Telematics

•	Tire Pressure Monitor

•	Tires - Front All-Season

•	Tires - Rear All-Season

•

Tow Hitch

•

Tow Hooks

•	Traction Control

•	Universal Garage Door Opener

•	Variable Speed Intermittent Wipers

•	WiFi Hotspot

•	Adaptive Cruise Control

•	Air conditioning : dual-zone automatic climate control

•	Air vents : rear

•	Assist handles front A-pillar mounted for driver and passenger : rear B-pillar mounted

•

Audio System : 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance includes color touch-screen / multi-touch display / AM/FM stereo / Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones

•	Bluetooth for phone connectivity to vehicle infotainment system

•	Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot

•	Center Console : floor-mounted with cup holders / cell phone storage / power cord management / hanging file folder capability

•	Compass : located in instrument cluster

•	Defogger : rear-window electric

•	Door locks : power

•	Driver Information Center : enhanced / 12.3" diagonal reconfigurable multicolor digital display

•	Driver memory recalls driver "presets" for power driver seat and outside mirrors

•	Exterior Temperature Display : located in radio display

•	Floor covering : color-keyed carpeting

•	GMC Premium information Display- 13.4" diagonal Multicolor touch screen

•	Keyless Open and Start includes remote keyless entry

•	LPO : MultiPro Tailgate Audio System by Kicker

•	Multicolor 15" Diagonal Head-Up Display

•	Power outlet : bed mounted / 120-volt

•	Power outlet : instrument panel / 120-volt

•	Premium Floor Liners with removable carpet insert : front

•	Premium Floor Liners with removable carpet insert : rear

•	Rear Camera Mirror inside rearview auto-dimming with full camera display

•	Rear Seat Reminder

•	Remote vehicle starter system

•	Seat : Up-level Rear with Storage Package 60/40 folding bench / includes full-length bench seat / seatback storage on left and right side / center fold out armrest with 2 cupholders / full cab width under-seat storage /

•	Seat adjuster : driver 16-way power including lumbar and massage

•	Seat adjuster : passenger 16-way power including lumbar and massage

•	Seat trim : Full Grain Leather

•	Seating : heated driver and front outboard passenger

•	Seats : front bucket with center console

•	Seats : heated second row outboard seats

•	Seats : ventilated driver and front passenger

•	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.

•	Steering column : manual Tilt-Wheel and telescoping

•	Steering wheel : heated

•	Steering wheel : leather-wrapped

•	Steering wheel audio controls

•	Theft-deterrent system : unauthorized entry

•	Universal Home Remote

•	USB ports : charge-only / rear

•	USB Ports : 2 located on console

•	USB Ports : 2 / Charge/Data ports located inside center console

•	Wi-Fi Hotspot capable

•	Window : power / rear sliding with rear defogger

•	Window : power front / passenger express up/down

•	Windows : power front / drivers express up/down

•	Windows : power rear / express down

•	Wireless Charging

•	Wireless phone projection for Apple CarPlay and Android Auto

•	Assist steps : power retractable / Black includes LED lighting

•	Bed Step : Black integrated on forward portion of bed on driver and passenger side

•	Bedliner : Spray-on / Pickup bedliner with GMC logo

•	Bumper : front / body-color lower

•	Bumper : rear body-color with bumper CornerSteps

•	Cargo tie downs : fixed / rated at 500 lbs per corner

•	CornerStep : rear bumper

•	Door handles : body-color

•	Fog lamps : LED

•	Glass : deep-tinted

•

Grille

•	Headlamps : Animated LED projectors LED turn signals and Daytime Running Lamps

•	IntelliBeam : automatic high beam on/off

•	Lamps : cargo area cab mounted integrated with center high mount stop lamp / with switch in bank on left side of steering wheel

•	Lamps : Smoked Amber roof marker /

•	LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob

•	Mirror caps : high gloss Black

•	Mirrors : outside power-adjustable vertical trailering with heated and auto-dimming upper glass / lighting

•	Moldings : beltline / Black

•	Sunroof : power

•	Tailgate / GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner’s manual for details

•	Tailgate : gate function manual with EZ Lift includes power lock and release / includes hitch area light

•	Tailgate and bed rail protection caps : top

•	Taillamps : Animated LED Signature Tail / Stop / turn and Reverse lamps

•	Tire : spare / LT305/70R18-126/123R / 35" M/T

•	Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door

•	Tires : LT305/70R18-126/123R / 35" M/T

•	Wheel : Spare 18"

•	Wheelhouse liners : rear

•	Wheels : 18" machined aluminum wheel with High Gloss black accents

•	Wipers : front rain-sensing

•

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

•	Automatic Emergency Braking

•	Bed View Camera : camera in the CHMSL to show a view of the cargo bed display located in infotainment screen / includes Two Trailer Camera Provisions

•	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

•	Daytime Running Lamps : LED signature lighting

•	Following Distance Indicator

•	Forward Collision Alert

•	Front and Rear Park Assist : ultrasonic

•	Front Pedestrian Braking

•	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 : Pan/Zoom/Tilt

•	Lane Departure Warning

•	LED Signature DRL’s

•	OnStar Equipped (service required)

•	OnStar Equipped (service required)

•	Rear Cross Traffic Alert

•	Rear Seat Belt Indicator

•	Safety Alert Seat

•	Seat Belt Adjustable Guide Loops : front row only

•	StabiliTrak : stability control system with Proactive Roll Avoidance and traction control / includes electronic trailer sway control and hill start assist

•

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

•	Tire Pressure Monitoring System : auto learn includes Tire Fill Alert

•	Trailer Camera Provisions and trailer viewing software

•	Trailer Side Blind Zone Alert

•

Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories

•	Trailering Information Label provides max trailer ratings for tongue weight : conventional / gooseneck and 5th wheel trailering

•	Air filter : heavy-duty

•	Air filtration monitoring

•	Alternator : 170 amps

•	Battery : heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power

•	Brake lining wear indicator

•	Brakes : 4-wheel antilock / 4-wheel disc with DURALIFE rotors

•	Capless Fuel Fill

•	Cooling : external engine oil cooler

•	Differential : driver-selectable full-locking rear / e-locking

•	Engine : 6.6L V8 with Direct Injection and Variable Valve Timing / gasoline /

•	Four wheel drive

•	Frame : fully-boxed / hydroformed front section and a fully-boxed stamped rear section

•	GVWR : 11025 lbs.

•	Hill Descent Control

•	In-Vehicle Trailering App : System includes checklist / trailer maintenance reminders / trailer security alerts / trailer mileage / towith haul reminder / trailer electrical diagnostics and Trailer Tire Pressure Monitor System module

•	Pickup bed includes bed assist step

•	Push Button Start

•	Rear axle : 3.73 ratio

•	Recovery hooks : Red

•	Skid Plates : front aluminum

•	Skid Plates : Transfer case / steel

•	Steering : Digital Variable Steering Assist this system automatically adjusts steering based on speed / road conditions / and other inputs to reduce driver effort and fatigue

•	Suspension / Off-Road Includes / 1.5" suspension lift: front suspension lift composed of: Control Arms / Ball Joints / Knuckles / DSSV Dampers / rear suspension lift composed of spacer block and DSSV Dampers and Half shafts with revised joints / 3-stage Leaf springs from 3500

•	Trailer brake controller : integrated

•	Transfer case : two-speed active / electronic Autotrac with push button control

•	ProGrade Trailering System includes In-vehicle Trailering App

•	Sierra HD Pro Safety includes Automatic Emergency Braking

•	Trailering Package includes trailer hitch : 7-pin and 4-pin connectors and Hitch Guidance

•	Adaptive Cruise Control

•	Back-Up Camera

•	Blind Spot Monitor

•	Bluetooth Connection

•	Front Collision Mitigation

•	Heated Front Seat

•	Keyless Entry

•	Lane Departure Warning

•	Leather Seats

•	Navigation System

•	Rain Sensing Wipers

•	Remote Engine Start

•	Satellite Radio

•	Smart Device Integration

•	WiFi Hotspot

•	Adaptive Cruise Control

•	Adaptive Cruise Control

•	Android Auto

•	Apple CarPlay

•	Backup Camera

•	Blind Spot Monitor

•

Bluetooth

•	Fog Lights

•	Heated Seats

•	Keyless Entry

•	Leather Seats

•	Navigation System

•	Rain Sensing Wipers

•	Remote Start

•	Tow Package

Contact Information
Please Contact Sales Russ Braunecker Cadillac Buick GMC NEW Cars Web : effinghamgmc.autoshot.com Email : mbraun@effinghamgmc.com	217-347-0505 2309 South Banker Effingham, IL 62401

Thank you for visiting Russ Braunecker Cadillac Buick GMC.

Questions? - Contact Us!

Prices subject to change without notice and do not include Title, License, Registration Fees, State or Local Taxes or Processing Fees, if any. Please contact seller first for vehicle availability. Although every effort is made to present accurate and reliable information, use of this information is voluntary, and should only be deemed reliable after an independent review of its accuracy, completeness, and timeliness. It is the sole responsibility of the customer to verify the existence of options, accessories and the vehicle condition before time of sale. Any and all differences must be addressed prior to time of sale. No expressed or implied warranties, including the availability or condition of the equipment listed is made. EPA mileage estimates for comparison purposes only. Actual mileage may vary depending on driving conditions, driving habits, and vehicle maintenance.

19 page views

NEW 2026 GMC Sierra 2500HD AT4X for sale in Effingham IL from Russ Braunecker Cadillac Buick GMC

Questions? - Contact Us!

My Information

sitemap

an AutoShotServices.com website