
2026 GMC Sierra 1500
Mileage: 3 · Castle Rock, CO
2026 GMC Sierra 1500 AT4X Crew Cab 4WD
Castle Rock, CO
$73,923
MSRP
$84,785
Dealer rating
Request information
Features
Mileage
3
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Black (Obsidian Rush)
MPG
15 MPG
Engine
420 hp 6.2L V8
Fuel type
Gasoline
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2026
- Trim:AT4X
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Black (Obsidian Rush)
- Mileage:3 mi
- Condition:New
- VIN:3GTUUFEL8TG306780
- Stock number:TG306780
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:15 MPG
- City gas mileage:14 MPG
- Highway gas mileage:16 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
Dealer

Dealer reviews
Dealer's description
Elevate Your Driving Experience with the Exceptional 2026 GMC Sierra 1500 AT4X Discover the ultimate fusion of power, capability, and refined sophistication in the all-new 2026 GMC Sierra 1500 AT4X. This exceptional vehicle is engineered to conquer any terrain, while delivering a premium driving experience that will leave you captivated from the moment you take the wheel. - 6.2L V8 (EcoTec3) engine with Dynamic Fuel Management, delivering an impressive 420 hp and 460 lb-ft of torque - Trailering Package for effortless towing and hauling - Navigation System and Hitch Guidance for confident, seamless trailering Elevate your driving experience with the Sierra 1500 AT4X's impressive list of premium features: - Bose Premium Series with 12-Speaker System - MultiPro Tailgate Audio System by Kicker - Heads-Up Display - 16-Way Power Driver and Passenger Seats with Lumbar Support - Heated and Ventilated Front Seats - Heated Rear Outboard Seats - Power Sunroof - Integrated Trailer Brake Controller The Sierra 1500 AT4X is more than just a truckit's a statement of your refined taste and adventurous spirit. With its rugged off-road capabilities, advanced technology, and exceptional comfort, this vehicle is poised to redefine your driving experience. Step into the cabin and be immersed in a world of luxury and convenience. The premium leather seating, genuine wood accents, and intuitive controls create an environment that will make every journey a pleasure. The Heads-Up Display and wireless charging further enhance your driving experience, keeping you connected and powered up on the go. Beyond its impressive features, the Sierra 1500 AT4X is a true workhorse, ready to tackle any task with ease. The powerful 6.2L V8 engine, combined with the Trailering Package and advanced off-road capabilities, make this truck a force to be reckoned with, whether you're hauling heavy loads or exploring the great outdoors. Elevate your driving experience and make a bold statement with the 2026 GMC Sierra 1500 AT4X. Visit our showroom today to discover the true power and refinement of this exceptional vehicle. We're confident that once you experience the Sierra 1500 AT4X, you'll never settle for anything less. 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,12 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium Series with 12- Speaker System,MultiPro Tailgate Audio System by Kicker,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,Heads-Up Display,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,Universal Home Remote,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,Power moonroof,Power Sunroof,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,Driver-Selectable Full-Locking Front Differential,Driver-Selectable Full-Locking Rear Differential,220 Amp Alternator,Block heater,Heavy-Duty Air Filter,Auto-dimming door mirrors,Gloss Black Header with Dark Nickel Grille Insert Bars,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,Bed View Camera,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,Garage door transmitter,Genuine wood dashboard insert,Genuine wood door panel insert,HD Surround Vision,Heated steering wheel,Illuminated entry,Lane Keep Assist with Lane Departure Warning,Leather steering wheel,Multicolor 15" Diagonal Head-Up Display,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,16-Way Power Driver Seat Adjuster with Lumbar,16-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Full Grain Leather Seat Trim,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seating,Heated front seats,Heated rear seats,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,Trailer Tire Pressure Monitor System,Alloy wheels,Wheels: 18" x 8.5" Painted Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Rear Defogger,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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