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2026 GMC Sierra 1500

2026 GMC Sierra 1500

Mileage: 3 · Castle Rock, CO

$64,860

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

Castle Rock, CO

$64,860

MSRP

$75,255

Dealer rating

Request information

Features

  • Mileage
    Mileage

    3

  • Drivetrain
    Drivetrain

    Four-Wheel Drive

  • Exterior color
    Exterior color

    Summit White

  • Interior color
    Interior color

    Jet Black With Kalahari Accents

  • MPG
    MPG

    15 MPG

  • Engine
    Engine

    420 hp 6.2L V8

  • Fuel type
    Fuel type

    Gasoline

  • Transmission
    Transmission

    Automatic

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Overview

  • Make:GMC
  • Model:Sierra 1500
  • Year:2026
  • Trim:AT4
  • Body type:Pickup Truck
  • Exterior color:Summit White
  • Interior color:Jet Black With Kalahari Accents
  • Mileage:3 mi
  • Condition:New
  • VIN:3GTUUEEL2TG309121
  • Stock number:TG309121

Fuel economy

  • Fuel tank size:24 gal
  • City gas mileage:14 MPG
  • Highway gas mileage:17 MPG
  • Fuel type:Gasoline

Performance

  • Transmission:Automatic
  • Drivetrain:Four-Wheel Drive
  • Engine:420 hp 6.2L V8
  • Horsepower:420 hp

Safety

  • ABS Brakes
  • Blind Spot Monitoring
  • Curtain Airbags
  • Driver Airbag
  • Front Side Airbags
  • Parking Sensors
  • Passenger Airbag

Measurements

  • Doors:4 doors
  • Front legroom:44 in
  • Back legroom:43 in
  • Cabin size:Crew Cab
  • Cargo volume:69 in

History

Clean title

No issues reported.

0 accidents reported

No accidents or damage reported.

Pricing

  • No price changes
  • 11 days at this dealership
    12 days on CarGurus · 0 saves

Dealer

Castle Rock Chevrolet GMC

Dealer reviews

4.5(6 reviews)

Dealer's description

The 2026 GMC Sierra 1500 AT4 is a true off-road powerhouse, designed to conquer any terrain with uncompromising capability. This rugged and refined pickup boasts a commanding presence that commands attention on the road and off. - 6.2L EcoTec3 V8 engine with Dynamic Fuel Management, delivering 420 horsepower and 460 lb-ft of torque - Trailering Package for effortless towing - Navigation System and Hitch Guidance for confident trailering - Premium Bose 7-Speaker Sound System for an immersive audio experience - Wireless Apple CarPlay and Android Auto for seamless smartphone integration - Heated and Ventilated Front Seats, Heated Rear Seats, and Heated Steering Wheel for year-round comfort - Automatic Emergency Braking, Lane Keep Assist, and Rear Pedestrian Detection for added safety and peace of mind This Sierra AT4 is the ultimate expression of GMC's off-road expertise, blending exceptional performance, advanced technology, and premium luxury. Whether you're conquering the trails or commanding the road, this truck is ready to take you there with unparalleled confidence and capability. Imagine the thrill of commanding the open road in this impressive 2026 GMC Sierra 1500 AT4. With its robust powertrain, advanced off-road features, and premium interior amenities, this truck is the perfect companion for your adventurous lifestyle. Experience the difference that true capability and refined luxury can make in a pickup truck. Step inside the Sierra AT4 and you'll be greeted by a cabin that exudes quality and attention to detail. The perforated leather-appointed seats, heated and ventilated for year-round comfort, provide exceptional support and style. The premium Bose audio system fills the cabin with rich, immersive sound, while the intuitive infotainment system with wireless smartphone integration keeps you connected and entertained. Under the hood, the 6.2L EcoTec3 V8 engine delivers a thrilling driving experience, with 420 horsepower and 460 lb-ft of torque on tap. Paired with a smooth-shifting 10-speed automatic transmission and the confidence-inspiring 4WD system, this Sierra AT4 is ready to tackle any terrain with ease. Beyond its impressive performance, the 2026 GMC Sierra 1500 AT4 is equipped with a suite of advanced safety and driver-assistance technologies. Features like Automatic Emergency Braking, Lane Keep Assist, and Rear Pedestrian Detection help keep you and your passengers protected, while the Hitch Guidance and in-vehicle Trailering System App make towing a breeze. Whether you're heading out on a rugged off-road adventure or navigating the daily commute, the 2026 GMC Sierra 1500 AT4 is the ultimate companion. Experience the uncompromising capability, refined luxury, and cutting-edge technology that make this truck a true standout in the segment. Visit our showroom today and let us demonstrate why the Sierra AT4 is the perfect choice for your next vehicle. Price includes: $1750 - Buick & GMC Consumer Cash Program. Exp. 04/30/2026 $3500 - GM Trade In Allowance Program. Exp. 04/30/2026 $500 - Buick GMC Bonus Cash. Exp. 04/30/2026 $500 - GM Military Cash Allowance Program. Exp. 01/04/2027

Additional Information

Navigation System,Trailering Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Premium Bose 7-Speaker Sound System,Radio data system,Radio: Premium GMC Infotainment Audio System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Interior Power Outlet,Driver Memory,Memory seat,Power driver seat,Power Front Passenger Windows with Express Up/Down,Power Front Windows with Driver Express Up/Down,Power Rear Windows with Express Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Auto-Locking Rear Differential,Off-Road Suspension,Power Rake and Telescoping Steering Column,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Door Locks,Brake assist,Electronic Stability Control,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Security system,Theft Deterrent System (unauthorized Entry),Speed control,220 Amp Alternator,Block heater,Heavy-Duty Air Filter,Auto-dimming door mirrors,Black Chrome Grille Insert Bars,Bumpers: body-color,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,2 Charge/Data USB Ports Inside Center Console,2 Type-C Charge-Only Rear USB Ports,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Buckle to Drive,Color-Keyed Carpeting Floor Covering,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front Premium Floor Liners with Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,Lane Keep Assist with Lane Departure Warning,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Braking,Rear Pedestrian Detection,Rear Premium Floor Liners with Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Safety Alert Seat,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wi-Fi Hotspot Capable,Wireless Apple CarPlay/Wireless Android Auto,Wireless Charging,10-Way Power Driver Seat Adjuster with Lumbar,10-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seating,Heated front seats,Heated rear seats,Perforated Front Leather Seat Trim,Power passenger seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance,Hitch View,in-Vehicle Trailering System App,Integrated Trailer Brake Controller,Red Recovery Hooks,Alloy wheels,Wheels: 20" x 9" Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Rain sensing wipers,Variably intermittent wipers,3.23 Rear Axle Ratio

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* Fuel economy figures shown are provided from EPA mileage estimates and may not be comparable across different model years. Actual mileage will vary, depending on specific options selected, vehicle maintenance and your driving habits

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