New 2026 GMC Sierra 1500 AT4 Truck Photo 1 of 24

New 2026 GMCSierra 1500 AT4 Truck

Diesel

In Transit

Jim Falk Motors of Maui

Location Details Website

Exterior Color: Sterling Metallic
Interior Color: Jet Black with Kalahari accents, Perforated leathe
Fuel Economy: 22/26 MPG City/Hwy
Transmission: Automatic

Drivetrain: 4WD
Engine: 3.0L Duramax^® Turbo Diesel engine
VIN: 1GTUUEE86TZ490557

Warranty

Basic: 3 Years/36,000 Miles
Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
Drivetrain: 5 Years/60,000 Miles, Sierra TurboMax^TM engines, 3.0L & 6.6L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
Maintenance: First Visit: 12 Months/12,000 Miles
Roadside Assistance: 5 Years/60,000 Miles, Sierra TurboMax^TM engines, 3.0L & 6.6L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
Warranty: <<< Preliminary 2026 Warranty >>>

Powertrain

Fuel System: Direct Injection
Fuel tank capacity: 24 gal
Horsepower: 305

Entertainment

13.4" diagonal GMC Premium Infotainment System with Google built-in:
- 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM¹ radio capable
- Bluetooth^®2 streaming audio for music and select phones
- Wireless Apple CarPlay^™ capability for compatible phones³
- Wireless Android Auto^™ capability for compatible phones⁴
- Customize and manage entertainment and vehicle feature setting
- Use, control and manage select smartphone apps through the Infotainment system
- Voice-activated technology for phone
Bluetooth^®:
- Pair your compatible mobile phone to your vehicle's infotainment system¹
- Place and receive hands-free phone calls
- Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
- With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
Bose^® Premium Sound System:
- 7-speakers with Richbass^® woofer
- Bose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin, you'll get rich, concert-like sound
- May require additional optional equipment
SiriusXM with 360L Trial Subscription:
- With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes¹
- SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more
- Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
Steering-wheel mounted controls:
- Allow the driver to easily operate the audio system and phone interface controls
- May require additional optional equipment
Wi-Fi^® Hotspot capable:
- Terms and limitations apply. See onstar.com or dealer for details.
- May require additional optional equipment
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones:
- Can use Apple CarPlay¹ and Android Auto² wirelessly
- Apple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.
- Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.

Exterior

17" 255/80R17SL all-season, blackwall spare tire
17" full-size spare steel wheel with Black finish
20" 275/60R20SL all-terrain, blackwall tires
20" machined aluminum wheels with Carbon Grey Metallic accents
Black mirror caps
Body-color door handles
Body-color front bumper
Body-color rear bumper
Cab-mounted cargo area lamps:
- With switch in switch bank left of the steering wheel
- Illuminates the cargo bed area
Cargo bed LED lighting:
- Provides light to find cargo in the bed
- Rear pillar lamps
CornerStep rear bumper:
- Helps make it easier to get into and out of the pickup bed
- Located at each end of the rear bumper
- Textured step pads to help provide secure footing
Deep-tinted glass:
- Provides added protection from sun and glare
Front license plate bracket:
- Front bracket is included if displaying a front license plate is required in your state
GMC MultiPro Tailgate:
- Six function tailgate designed to help improve loading, unloading and accessing the cargo box
Heated, power, driver-side auto-dimming, power-folding outside mirrors:
- Puddle lamps
- Perimeter lighting
- Memory setting
IntelliBeam:
- At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions¹
- May require additional optional equipment
LED fog lamps:
- Help minimize glare in adverse driving conditions
LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps:
- C-shaped LED headlamps with signature lighting and innovative light blade technology
Off-Road Black assist steps:
- Steps make it easier to get in and out of your truck
- Textured step pads help provide secure footing
- Black powder-coat finish
Perimeter Lighting
Rainsense automatic wipers:
- Turn on automatically when sensors detect varying degrees of precipitation on the windshield
Rear wheelhouse liners:
- Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
Spare tire carrier lock:
- Helps keep spare tire secure
- Utilizes the same key as the door and ignition
Spray-on bedliner:
- Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
- Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
- Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
- Does not include spray-on liner on tailgate due to Black composite inner panel
- Includes logo on all trims except PRO
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release:
- Hitch area lighting
- May require additional optional equipment

Interior

10-way power driver seat with power lumbar:
- Moves the seat forward and back, and up and down
- Tilt the seat cushion and seatbacks
10-way power front passenger seat:
- Forward and back
- Up and down
- Tilt seat cushion back and upright
- Recline seatback up and down
- Includes 2-way power lumbar
12.3" diagonal color Driver Information Center:
- Includes driver personalization, warning messages and vehicle information
- Allows drivers to personalize vehicle features, including warning messages and vehicle information
120-volt box-mounted power outlet:
- 3-prong auxiliary household-style outlet
- Located in the pickup bed
- May require additional optional equipment
120-volt power outlet:
- 3-prong auxiliary household-style outlet
- Located on the instrument panel
- Makes it convenient for powering laptops, phone chargers and other electronic devices
- May require additional optional equipment
13.4" diagonal multicolor reconfigurable Infotainment screen
Adaptive Cruise Control:
- Automatically follows a detected vehicle ahead at a driver-selected following gap¹
- If no vehicle is detected in your path, works like regular cruise control
- You can always override the feature and take control
- May require additional optional equipment
Assist handles:
- Front A-pillar mounted for Driver and Passenger
- Rear B-pillar mounted
Carpeted floor covering:
- Color-keyed to match the interior
Compass:
- Located in instrument cluster
Driver memory:
- Recalls 2 driver presets for 10-way power seat and outside mirrors
- May require additional optional equipment
Dual-zone automatic climate control:
- Automatically maintains the selected temperatures for both the driver and front passenger
- Allows individual climate settings for both driver and front passenger
- Driver and front passenger can choose a temperature up to 30 degrees difference
Front bucket seats:
- Includes center console
- May require additional optional equipment
Front center console:
- Includes reconfigurable feature with cupholders, cell phone storage, power cord management, file holder capacity, removable storage tray and Wireless Charging¹
- May require additional optional equipment
Heated driver and front outboard passenger seats:
- Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
- At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
- Individually controlled
- Seats can be programmed to automatically warm up when it's cold out
Heated rear outboard seats:
- At the touch of a button you can warm the cushions and seatbacks
- Provide comfort in cold weather for passengers in the rear outboard seating positions
- May require additional optional equipment
Heated steering wheel:
- With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
In-Vehicle Trailering App:
- Checklist¹
- Trailer light sequencing
- Trailer maintenance reminders
- Trailer security alerts
- Trailer mileage
- Tow/haul reminder
- Trailer electrical diagnostics
- Includes trailer tire pressure monitoring alert ONLY when trailer tire pressure monitor system is factory ordered and sensors are installed
- May require additional optional equipment
Inside rearview auto-dimming mirror:
- Automatically dims the inside rearview mirror when it senses bright light from behind
- When headlamp glare is no longer detected, the mirror returns to its normal state
Keyless Open and Start:
- With the Keyless Entry fob in your possession, conveniently locks and unlocks your car's doors without manually activating the key fob
- With the vehicle in Park or Neutral, press the brake pedal and then press the start/stop button to start the vehicle; the button will illuminate
- Shift to Park and press the start/stop button to turn off the vehicle
Outside temperature display:
- Located in infotainment display
Power door locks:
- Programmable
- Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob
Power tilt and telescoping steering column:
- Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
- Use the driver memory to save and recall memory settings
- Provides extra comfort when entering or exiting the vehicle
- May require additional optional equipment
Power windows:
- Driver with express-up/down
- May require additional optional equipment
Power windows:
- Front passenger with express-up/down
- May require additional optional equipment
Power windows with rear express-down:
- May require additional optional equipment
Premium front floor liners with removable carpet insert
Premium rear floor liners with removable carpet insert:
- May require additional optional equipment
Rear air vents:
- Provides cabin comfort for rear occupants
Rear window defogger:
- Helps to keep your rear view clear of fog or frost
- Utilizes a warming grid to help remove fog or frost from the rear window
Remote Start:
- Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
- Locks doors and turns on parking lamps while the engine is running
- Activates the climate control system
Theft-deterrent unauthorized entry system:
- Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
- Helps deter unauthorized entry, helping to protect your vehicle
USB ports:
- (2) Charge ports located on rear of console¹
USB ports:
- (2) Data/charge ports located inside center console¹
USB ports:
- (2) First row, located on console¹
Up-level rear seat with storage package:
- 60/40 Full-length folding bench seat
- Seatback storage on left and right side
- Center fold out armrest with 2 cupholders
- Underseat storage (full cab width)
Ventilated driver and front passenger seats:
- Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation
- Individually controlled
- Cooling feature includes both seatbacks and cushions
- May require additional optional equipment
Wireless Charging:
- Uses induction technology for portable electronic devices
- Convenient charging location at the front of the center console
- Device may require optional case for phones that are compatible
- Customers can charge their smartphones while they drive without connecting to any cables
- May require additional optional equipment
Wrapped steering wheel

Mechanical

10-speed automatic transmission with Electronic Precision shift and front bucket seats:
- Electronically controlled transmission with overdrive and Driver Shift Control
- Tow/Haul mode reduces shift cycling for better control and cooling when towing or hauling heavy loads
- Powertrain Grade Braking
- Cruise Grade Braking
- May require additional optional equipment
2-speed Autotrac Transfer Case:
- 2WD HI mode
- 4WD Auto mode
- 4WD HI mode
- 4WD LO mode
- Neutral
- May require additional optional equipment
220-amp alternator:
- May require additional optional equipment
3.0L Duramax^® Turbo Diesel engine:
- 305 hp [227 kW] @ 3750 rpm
- 495 lb-ft of torque [671 Nm] @ 2750 rpm
- Paired with a 10-speed automatic transmission
3.23 rear axle ratio:
- May require additional optional equipment
4-wheel antilock disc brakes:
- Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
- Duralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
7,200 lbs. GVWR:
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
Aluminized stainless-steel muffler and tailpipe
Automatic Stop/Start:
- At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts off
- When drivers remove their foot from the brake, the engine automatically restarts
- Under certain circumstances, the engine will not shut off at a complete stop
- This feature can be disabled with a switch on the center stack
Automatic locking rear differential:
- When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
- The Eaton^® Locker senses a difference in wheel speed of approximately 100 rpm
Brake pad wear indicator
Capless fuel fill:
- Prevents paint scratches that can result from a tethered fuel cap
- Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
Cargo tie-downs (12)
Dual-outlet exhaust:
- Integrated into rear bumper
- Aluminized stainless-steel muffler and tailpipes
- May require additional optional equipment
Electric Power Steering:
- Electric, rack-mounted with variable assist
- Increases or decreases the amount of assist depending on the steering wheel angle
- The system delivers great on-center precision and confident performance at higher speeds
- Steering assist is greater during low-speed maneuvers, such as parking
Electronic Transmission Range Selector:
- Console mounted
- Includes steering column paddle shifters
- May require additional optional equipment
Engine block heater:
- Helps ease cold weather starts
- Heats the engine and engine block fluids
Fully boxed frame:
- Hydroformed front section
- High-strength steel
Heavy-Duty Air Filter:
- Thick construction helps to trap more dirt before it can enter the air intake
- May require additional optional equipment
Heavy-duty 850 cold-cranking amps battery:
- 95 Amp-hr
- Maintenance-free with rundown protection and retained accessory power
- May require additional optional equipment
Hill Descent Control:
- Uses antilock braking to help provide a smooth, controlled descent
- Helps driver maintain control of the vehicle without depressing the brake pedal
- Activates by pushing a button below the instrument panel
- May require additional optional equipment
Integrated trailer brake controller:
- Integrated with the antilock brake system (ABS)
- Helps provide measured brake force signaling to electric-controlled trailer brake systems
- Trailer gain and output are displayed in the Driver Information Center
Off-Road, 2-inch factory-installed lift:
- Monotube Rancho^® shocks
- Provides more ground clearance
- Improved approach and departure angles
- May require additional optional equipment
Pickup bed:
- Roll-formed high-strength steel
Push Button Start
Red vertical recovery hooks:
- Two front frame-mounted¹
Skid plates:
- Help protect the front underbody, oil pan, differential case and transfer case
- May require additional optional equipment

Package

GMC Pro Safety:
- Forward Collision Alert¹
- Following Distance Indicator¹
- Front Pedestrian Braking¹
- Lane Keep Assist with Lane Departure Warning¹
- Automatic Emergency Braking¹
- Buckle to Drive¹
- IntelliBeam¹
- Safety Alert Seat¹ on AT4, AT4X, Denali and Denali Ultimate
- Enhanced Automatic Emergency Braking¹ is standard on Denali and Denali Ultimate²
Trailering Package:
- Trailer hitch¹
- Trailering hitch platform
- Includes a 2" receiver hitch, 4-pin and 7-pin connectors
- 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
- Hitch Guidance²

Safety-Exterior

LED Daytime Running Lamps:
- Daytime Running Lamps automatically illuminate signature lighting

Safety-Interior

6 airbags:
- Dual-stage frontal airbags for driver and front outboard passenger¹
- Seat-mounted side-impact airbags for driver and front outboard passenger¹
- Head-curtain airbags for outboard seating positions¹
- Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off¹
Automatic Emergency Braking:
- Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology¹
- Can automatically provide hard emergency braking or enhance your hard braking
- Works at speeds between 5 and 50 mph
- May require additional optional equipment
Buckle to Drive:
- Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
- The feature also reminds the front passenger to buckle up, if equipped
Following Distance Indicator:
- Displays the following time in seconds between your vehicle and a detected vehicle in front of you¹
- Designed to help you maintain a safe following distance
- May require additional optional equipment
Forward Collision Alert:
- Warns you if it detects a potential collision with a detected vehicle you're following so you can take action¹
- Can also provide a tailgating alert if you're following a vehicle much too closely
- May require additional optional equipment
Front and Rear Park Assist:
- Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle¹
- These can help you park and avoid collisions
- May require additional optional equipment
HD Surround Vision:
- Provides selectable digital camera views of the area around your vehicle¹
- Can help you park or avoid vehicles and objects
- You can also display a guideline to show where your vehicle is heading
- Tailgate must be in the raised position for the HD Rear Vision Camera¹ to operate properly
- Includes 2 Trailer Camera Provisions
- Requires Auxiliary Trailer Camera if one of the following camera views is desired: Transparent Trailer, Rear Trailer View, Picture-in-Picture or Inside Trailer View
- May require additional optional equipment
Hitch Guidance:
- When in Reverse, displays a centered guideline on the Rear Vision Camera view¹
- Can help you line up the hitch to your trailer
- When driving, lets you check the trailer using Rear Vision Camera view
Hitch View:
- Shows a close-up view of the trailer hitch¹
- In Reverse, the view can be used to line up your hitch to your trailer
- When driving, the view can be used to check your trailer hitch
- Shifting to Park automatically engages the Electric Parking Brake (if equipped)
- May require additional optional equipment
Inside/Rear Trailer Camera Input:
- Includes trailer viewing software
- May require additional optional equipment
Lane Keep Assist with Lane Departure Warning:
- Uses a brief steering wheel turn to alert you when it detects you are unintentionally drifting out of your lane lines¹
- System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
- You may receive additional Lane Departure Warning alerts if needed
- May require additional optional equipment
OnStar Basics:
- Drive confidently with core OnStar services including¹
OnStar^® services capable:
- See onstar.com for details and limitations. Services vary by model. Service plan required.
Rear Cross Traffic Braking:
- When in Reverse, alerts you or automatically provides hard emergency braking to prevent a collision with detected vehicles crossing behind you¹
- May require additional optional equipment
Rear Pedestrian Alert:
- When you're in Reverse, alerts you to detected pedestrians directly behind your vehicle¹
- Limited nighttime and low visibility performance
- May require additional optional equipment
Rear Seat Belt Indicator
Rear Seat Reminder:
- Helps to remind the driver to check the back seat(s) before leaving the vehicle¹
- Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
- Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
- Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
Safety Alert Seat:
- Uses left-, right- or both-side driver seat vibration pulses to help you detect and identify the direction of potential crashes¹
- You can also switch to beeping crash avoidance alerts
- May require additional optional equipment
Seat Belt Adjustable Guide Loops:
- Front row only
Tire Pressure Monitoring System with Tire Fill Alert:
- Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires¹
- Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
- Properly inflate tires to help optimize your vehicle's ride, handling and efficiency
Trailer Side Blind Zone Alert:
- Provides visual side-mirror alerts when a moving vehicle is detected in a side blind zone that is extended to trailer lengths¹

Safety-Mechanical

Front Pedestrian Braking:
- At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you¹
- Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
- Limited nighttime and low visibility performance
- May require additional optional equipment
StabiliTrak, electronic stability control system with traction control:
- Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
- Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
- Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
- Includes Brake Assist that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if required
- Includes Trailer Sway Control
- Hill Start Assist

This vehicle won't be on the lot long!

This is an exceptional vehicle at an affordable price! The engine breathes better thanks to a turbocharger, improving both performance and economy. Top features include rain sensing wipers, a power seat, a trailer hitch, and power windows.

Come down to our dealership, where you can browse our entire inventory in person.

Overall0.0Out of 5

MSRP: $71,285

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Drive

Jim Falk Motors of Maui

260 HANA HWY
Directions KAHULUI, HI 96732

CALL US: (808) 867-2776

New 2026 GMCSierra 1500 AT4 Truck

Included Packages & Accessories

Detailed Specifications

Warranty

Seats and Trim

Powertrain

Specs and Dimensions