New 2026 GMC Sierra 1500 AT4 Truck
- VIN: 3GTUUEEL6TG476341
- Stock: V26397
Basic Info
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Exterior:STERLING METALLIC
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Drivetrain:4WD
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Interior:JET BLACK WITH KALAHARI ACCENTS
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Transmission:10-speed automatic
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Engine:V8, 6.2L
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Fuel Efficiency:14 CITY / 17 HWY
Key Features
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AWD
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Adaptive Cruise Control
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Android Auto
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Apple CarPlay
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Automatic Climate Control
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Backup Camera
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Blind Spot Monitor
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Bluetooth
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Fog Lights
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Forward Collision Warning
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Keyless Entry
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Lane Departure Warning
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Lane keep assist
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Leather Seats
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Navigation System
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Parking Sensors / Assist
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Power Seats
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Premium Package
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Push Start
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Rain Sensing Wipers
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Remote Start
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Satellite Radio Ready
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Side-Impact Air Bags
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Sunroof / Moonroof
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Technology Package
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Tow Package
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WiFi Hotspot
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Wireless Phone Charging
Description
Drive home in a powerful 2026 GMC Sierra 1500 AT4, now available in Tilton, IL. Built for drivers who want rugged capability with premium comfort, this 4WD pickup is equipped with a muscular V8 6.2L gasoline engine that delivers confident towing, strong passing power, and dependable performance on the highway or job site. The AT4 trim adds bold styling, off-road-ready attitude, and a refined interior designed to make every mile more enjoyable. Inside, you'll find leather seats, steering wheel audio controls, and advanced driver-focused technology that keeps you connected and in command. Safety and convenience features include a back-up camera, lane keep assist, and lane departure warning to help support awareness on busy roads and during daily commutes. Whether you need a full-size truck for work, weekend adventures, or family travel, the GMC Sierra 1500 AT4 offers the versatility and capability you expect from a GMC. Visit us in Tilton, IL, to see this 2026 GMC Sierra 1500 AT4 in person and experience its bold design, premium features, and powerful V8 performance today. Test drive this rugged yet refined pickup and discover why the GMC Sierra 1500 AT4 stands out for shoppers seeking a capable 4WD truck with luxury touches, advanced safety tech, and legendary GMC strength on every road and trail.
Equipment
Lane Keep Assist in this vehicle helps maintain safe driving by gently steering to stay within the lane. Protect this GMC Sierra from unwanted accidents with a cutting edge backup camera system. The GMC Sierra offers Android Auto for seamless smartphone integration. This vehicle features steering wheel audio controls. The GMC Sierra has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. It's Lane Departure Warning helps keep you in your lane. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from. Apple CarPlay: Seamless smartphone integration for the vehicle - stay connected and entertained on the go! The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. Keep your hands warm all winter with a heated steering wheel in this GMC Sierra .
Packages
AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote. Hard Folding Truck Bed Cover. Off-Road High Clearance Step. Power Sunroof. Sterling Metallic. Dual Active Exhaust. All-Weather Floor Liners with AT4 Logo. GMC MultiPro Tailgate Step Lights. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Vehicle Details
Exterior
- Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
- Wheelhouse liners, rear (Deleted with (PCP) AT4 CarbonPro Edition.)
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Bumper, front, body-color lower
- Bumper, rear body-color with corner steps
- CornerStep, rear bumper
- Grille (Black chrome grille insert bars with gloss black header and accents.)
- Fog lamps, LED
- Lighting, perimeter
- Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
- Mirror caps, high gloss Black
- Wipers, front rain-sensing
- Glass, deep-tinted
- Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Tailgate, GMC MultiPro Tailgate with six functional load/access features
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- Tailgate and bed rail protection caps, top
- Door handles, body-color
Interior
- Seat adjuster, driver 10-way power including lumbar
- Seat adjuster, passenger 10-way power including lumbar
- Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, 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, (includes child seat top tether anchor)
- Seats, heated second row outboard seats
- Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Floor covering, color-keyed carpeting
- Steering column, power rake and telescoping
- Steering wheel, wrapped
- Steering wheel, heated
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- In-Vehicle Trailering App System, includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
- Compass, located in instrument cluster
- Exterior Temperature Display, located in radio display
- Remote vehicle starter system
- Adaptive Cruise Control
- Steering column lock, electrical
- Wireless Charging
- Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- USB ports, (2) charge-only, rear
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
- Air conditioning, dual-zone automatic climate control
- Air vents, rear
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Entertainment
- Steering wheel audio controls
Mechanical
- Rear axle, 3.23 ratio
- Pickup bed
- GVWR, 7200 lbs. (3266 kg) (Requires TK10*43 Crew Cab 4WD model with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
- Air filter, heavy-duty
- Automatic Stop/Start
- Hill Descent Control
- Auto-locking rear differential
- Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
- Suspension, Off-Road with 2" factory installed lift and monotube shocks
- Four wheel drive
- Alternator, 220 amps (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
- Battery, heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
- Frame, fully-boxed, hydroformed front section
- Trailer brake controller, integrated
- Recovery hooks, Red
- Skid Plates
- Cargo tie downs (12), fixed
- Steering, Electric Power Steering (EPS) assist, rack-and-pinion
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Brake lining wear indicator
- Capless Fuel Fill
- Exhaust, dual system (Includes chrome exhaust tips. Not available with (L87) 6.2L EcoTec3 V8 engine.)
- Exhaust, aluminized stainless-steel muffler and tailpipe
Safety
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- 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.)
- Hitch View with image adjustment, Pan/Zoom/Tilt
- Hitch Guidance
- Trailer Camera Provisions and trailer viewing software
- Front and Rear Park Assist, ultrasonic
- Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
- Trailer Side Blind Zone Alert
- Rear Cross Traffic Braking
- Rear Pedestrian Alert
- Safety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)
- Seat Belt Adjustable Guide Loops, front row only
- 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) GMC Pro Safety.)
- Rear Seat Reminder
- Rear Seat Belt Indicator
Tech Specs
- Vehicle Name: GMC Sierra 1500
- Body Style: Crew Cab Pickup
- Body Code: E63
- Drivetrain: Four Wheel Drive
- Passenger Capacity: 5
- Gross Axle Wt Rating - Front: 3800
- Gross Axle Wt Rating - Rear: 3800
- Curb Weight - Front: 2845
- Curb Weight - Rear: 1981
- Fuel Economy Est-Combined: 24
- EPA Fuel Economy Est - City: 22
- EPA Fuel Economy Est - Hwy: 26
- Tons/yr of CO2 Emissions @ 15K mi/year: 8.6
- Gross Vehicle Weight Rating Cap: 7200
- Gross Combined Wt Rating: 15000
- Dead Weight Hitch - Max Trailer Wt.: 5000
- Dead Weight Hitch - Max Tongue Wt.: 500
- Maximum Trailering Capacity: 9000
- Fuel System: Direct Injection
- Trans Order Code: MQC
- Trans Type: 10
- Trans Description Cont.: Automatic
- Trans Description Cont. Again:
- First Gear Ratio (:1): 4.70
- Second Gear Ratio (:1): 2.99
- Third Gear Ratio (:1): 2.15
- Fourth Gear Ratio (:1): 1.77
- Fifth Gear Ratio (:1): 1.52
- Sixth Gear Ratio (:1): 1.28
- Seventh Gear Ratio (:1): 1.00
- Eighth Gear Ratio (:1): 0.85
- Ninth Gear Ratio (:1): 0.69
- Tenth Gear Ratio (:1): 0.64
- Reverse Ratio (:1): 4.87
- Clutch Size:
- Trans Power Take Off:
- Trans PTO Access:
- Transfer Case Model: - TBD -
- Transfer Case Gear Ratio (:1), High: - TBD -
- Transfer Case Gear Ratio (:1), Low: - TBD -
- Transfer Case Power Take Off:
- Cold Cranking Amps @ 0° F (2nd):
- Maximum Alternator Capacity (amps): 220
- Maximum Alternator Watts:
- Total Cooling System Capacity: - TBD -
- Frame Type: Hydroformed
- Suspension Type - Front: Independent
- Suspension Type - Rear: Solid Axle
- Spring Capacity - Front: 3800
- Spring Capacity - Rear: 3850
- Axle Type - Front: - TBD -
- Axle Type - Rear: - TBD -
- Axle Capacity - Front: 3800
- Axle Capacity - Rear: 3800
- Axle Ratio (:1) - Front: 3.23
- Axle Ratio (:1) - Rear: 3.23
- Shock Absorber Diameter - Front: - TBD -
- Shock Absorber Diameter - Rear: - TBD -
- Stabilizer Bar Diameter - Front: 1.30
- Stabilizer Bar Diameter - Rear:
- Front Tire Order Code: QAE
- Rear Tire Order Code: QAE
- Spare Tire Order Code: QAQ
- Front Tire Size: 275/60R20SL
- Rear Tire Size: 275/60R20SL
- Spare Tire Size: 255/80R17SL
- Front Tire Capacity: - TBD -
- Rear Tire Capacity: - TBD -
- Spare Tire Capacity: - TBD -
- Revolutions/Mile @ 45 mph - Front: N/A
- Revolutions/Mile @ 45 mph - Rear: N/A
- Revolutions/Mile @ 45 mph - Spare: N/A
- Front Wheel Size: 20 x 9
- Rear Wheel Size: 20 x 9
- Spare Wheel Size: 17 x 8
- Front Wheel Material: Aluminum
- Rear Wheel Material: Aluminum
- Spare Wheel Material: Steel
- Steering Type: Electric Rack & Pinion
- Steering Ratio (:1), On Center: - TBD -
- Steering Ratio (:1), At Lock: - TBD -
- Turning Diameter - Curb to Curb: 47.3
- Turning Diameter - Wall to Wall: N/A
- Brake Type: Pwr
- Brake ABS System: 4-Wheel
- Brake ABS System (Second Line):
- Disc - Front (Yes or ): Yes
- Disc - Rear (Yes or ): Yes
- Front Brake Rotor Diam x Thickness: 13 x 1.18
- Rear Brake Rotor Diam x Thickness: 13.6 x 0.79
- Drum - Rear (Yes or ):
- Rear Drum Diam x Width:
- Fuel Tank Capacity, Approx: 24
- Aux Fuel Tank Capacity, Approx:
- Fuel Tank Location: - TBD -
- Aux Fuel Tank Location:
- Front Head Room: 43.03
- Front Leg Room: 44.53
- Front Shoulder Room: 64.54
- Front Hip Room: 60.78
- Second Head Room: 40.12
- Second Leg Room: 43.4
- Second Shoulder Room: 64
- Second Hip Room: 59.24
- Wheelbase: 147.55
- Length, Overall: 232.9
- Width, Max w/o mirrors: 81.24
- Height, Overall: 78.35
- Overhang, Front: - TBD -
- Overhang, Rear w/o bumper: - TBD -
- Front Bumper to Back of Cab: - TBD -
- Cab to Axle: - TBD -
- Cab to End of Frame: - TBD -
- Ground to Top of Load Floor: - TBD -
- Ground to Top of Frame: - TBD -
- Frame Width, Rear: - TBD -
- Ground Clearance, Front: 11.1
- Ground Clearance, Rear: 11.1
- Cargo Box Length @ Floor: 69.92
- Cargo Box Width @ Top, Rear: - TBD -
- Cargo Box Width @ Floor: 71.4
- Cargo Box Width @ Wheelhousings: 50.63
- Cargo Box (Area) Height: 22.4
- Tailgate Width: - TBD -
- Cargo Volume: 62.9
- Ext'd Cab Cargo Volume: - TBD -
- Model Group: Sierra
- Vehicle Segment: Large Pick-up
- Vehicle Type: Crew Cab
- Body Cab Style: Crew Cab
- Bed Style: regular
- Engine Displacement Units: 3.0
- Engine Camshaft: DOHC
- Engine Block Type: aluminum
- Engine Cylinder Count: 6
- Engine Valve Count: 4
- Country of Origin: Mexico GMC Truck
Details
- AT4 Premium Package: Off-Road High Clearance Step
- Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror
- Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks
- AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote
- Hard Folding Truck Bed Cover
- Off-Road High Clearance Step
- Power Sunroof
- Sterling Metallic
- Dual Active Exhaust
- All-Weather Floor Liners with AT4 Logo
- GMC MultiPro Tailgate Step Lights
- Apple CarPlay/Android Auto smart device wireless mirroring
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Braking collision mitigation
- Adaptive cruise control with stop and go
- Head-up display
- Automatic Emergency Braking brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Integrated navigation system with voice activation
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- First-row sliding and tilting glass sunroof with power 1-touch activation sunshade
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- EcoTec3 6.2L V-8 direct injection
- variable valve control
- premium gasoline
- engine with cylinder deactivation and 420HP
- EcoTec3 6.2L V-8
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Teen Driver restricted driving mode/alerts
- Rear Pedestrian Alert rear pedestrian detection warning
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- HD Surround Vision w/Hitch View aerial view camera
- Smart device remote start
- Push-button
- GCW Alert weight capacity alert
- Video-feed rearview mirror
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Bluetooth wireless audio streaming
- Vehicle to trailer hitching assist
- Gauge cluster display size: 12.30
- Front mounted camera with washer
- Right side camera
- Pickup box camera
- Left side camera
- Trailer Side Blind Zone Alert blind spot warning
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Voice-activated climate control
- Full gauge cluster screen
- Driver Air Bag
- Passenger Air Bag
- Front Side Air Bag
- Front Head Air Bag
- Rear Head Air Bag
- Climate Control
- Multi-Zone A/C
- A/C
- Security System
- AM/FM Stereo
- ABS
- 4-Wheel Disc Brakes
- Cruise Control
- Rear Defrost
- Locking/Limited Slip Differential
- Four Wheel Drive
- 8 Cylinder Engine
- Floor Mats
- Gasoline Fuel
- Daytime Running Lights
- Keyless Entry
- Power Door Locks
- Heated Mirrors
- Power Mirror(s)
- Navigation System
- Power Driver Seat
- Power Passenger Seat
- Pass-Through Rear Seat
- Leather Seats
- Bucket Seats
- Power Steering
- Adjustable Steering Wheel
- Conventional Spare Tire
- Traction Control
- Aluminum Wheels
- Power Windows
- Intermittent Wipers
- A/T
- Premium Sound System
- Satellite Radio
- MP3 Capability
- Fog Lamps
- Heated Front Seat(s)
- Privacy Glass
- Variable Speed Intermittent Wipers
- Rain Sensing Wipers
- Steering Wheel Audio Controls
- Auto-Dimming Rearview Mirror
- Mirror Memory
- Rear Parking Aid
- Driver Adjustable Lumbar
- Passenger Adjustable Lumbar
- Seat Memory
- Transmission w/Dual Shift Mode
- Tow Hitch
- Tow Hooks
- Tire Pressure Monitor
- Bluetooth Connection
- Telematics
- Remote Engine Start
- Back-Up Camera
- Stability Control
- Keyless Start
- Auxiliary Audio Input
- Heated Rear Seat(s)
- Cooled Front Seat(s)
- Power Folding Mirrors
- Navigation from Telematics
- Passenger Air Bag Sensor
- Blind Spot Monitor
- Lane Departure Warning
- Heated Steering Wheel
- Cross-Traffic Alert
- Lane Keeping Assist
- WiFi Hotspot
- 10-Speed A/T
- Adaptive Cruise Control
- Smart Device Integration
- Aerial View Display System
- Front Collision Mitigation
- Front Collision Warning
- Automatic Highbeams
- LED Headlights
- Requires Subscription
- Driver Monitoring
- Integrated Tailgate Step
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(217) 805-4161MPG Disclaimer:
Based on model year EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.
Disclaimer:
New vehicle pricing includes all offers and incentives. Tax, Title and Tags not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at or by visiting us at the dealership.
**With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 4.9% interest and 20% downpayment.
