New 2026 GMC Sierra 1500 SLT Truck Photo 1 of 24

New 2026 GMCSierra 1500 SLT

Diesel

New Cars > GMC > Sierra 1500 > New 2026 GMC Sierra 1500 Truck SLT

Exterior Color: Onyx Black
Interior Color: Dark Walnut/Slate, Perforated leather-appointed fr
Fuel Economy: 22/26 MPG City/Hwy
Transmission: Automatic

Drivetrain: 4WD
Engine: 3.0L Duramax^® Turbo Diesel engine
VIN: 3GTUUDE85TG304114

This vehicle won't be on the lot long!

Performance, ride, and head-turning good looks! The engine breathes better thanks to a turbocharger, improving both performance and economy. Top features include rain sensing wipers, fully automatic headlights, skid plates, and power front seats. It features four-wheel drive capabilities, a durable automatic transmission, and a 3 liter 6 cylinder engine.

Our experienced sales staff is eager to share its knowledge and enthusiasm with you. We'd be happy to answer any questions that you may have. Call now to schedule a test drive.

SPRAY-IN BED LINER - SPRAY-IN BED LINER Disclosure - SPRAY-IN BED LINER$545

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 & 6.0L 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 & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
Warranty: <<< Preliminary 2026 Warranty >>>

Seats and Trim

Max seating capacity: 6

Powertrain

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

Specs and Dimensions

Towing capacity: 8700 lbs

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
6-speaker audio system:
- Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
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
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" 265/70R17SL all-season, blackwall spare tire:
- May require additional optional equipment
17" full-size spare steel wheel with Black finish
18" 265/65R18SL all-terrain, blackwall tires
18" 6-spoke machined aluminum wheels with Dark Grey Metallic accents
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
Chrome door handles
Chrome front bumper
Chrome mirror caps
Chrome rear bumper:
- With integrated CornerSteps
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
Full chrome surround window moldings
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 reflector (high intensity) headlamps 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
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
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release:
- Hitch area lighting
- May require additional optional equipment

Installed 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
40/20/40 split-bench front seat with under-seat storage:
- Seating for up to 3
- Driver and front passenger seatbacks recline
- Head restraints at the outboard seating positions
- Center seatback that doubles as a fold-down armrest with storage
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
Cruise control:
- Maintains a selected speed while driving
- Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak^® stability control system detects an oncoming skid
- Set and resume speed functions
- Steering-wheel mounted controls to easily maintain and manage cruising speed
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 carpeted floor mats:
- Helps protect your interior from road debris and the elements
- Color-keyed to match the interior
- Denali model has unique premium carpet
- Denali Ultimate model has premium floor mats with corner applique
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 steering wheel:
- With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
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
Manual tilt and telescoping steering column:
- Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
- Provides extra comfort when entering or exiting 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 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
Rear air vents:
- Provides cabin comfort for rear occupants
Rear carpeted floor mats:
- Helps protect your interior from road debris and the elements
- Color-keyed to match the interior
- Denali model has unique premium carpet
- Denali Ultimate model has premium floor mats
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
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)
Wrapped steering wheel

Mechanical

10-speed automatic transmission:
- Electronically controlled transmission with overdrive and Driver Shift Control
- Tow/Haul mode reduces shift cycling for better control and improved 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
Black vertical recovery hooks:
- Two front frame-mounted¹
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
Engine block heater:
- Helps ease cold weather starts
- Heats the engine and engine block fluids
External auxiliary transmission oil cooler:
- Heavy-duty air-to-oil cooler
- Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer
- May require additional optional equipment
External engine oil cooler:
- Heavy-duty air-to-oil cooler
- Helps prevent possible engine oil breakdown under heavy loads
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 730 cold-cranking amps battery:
- 80 Amp-hr
- Maintenance-free with rundown protection and retained accessory power
- 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
Pickup bed:
- Roll-formed high-strength steel
Push Button Start
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
X31 Off-Road Package:
- Off-Road suspension
- Hill Descent Control
- Skid plates
- Heavy-duty air filter
- X31 hard badge
- Integrated dual exhaust with SLE, Elevation Double Cab and SLT with out 6.2L Eco Tec V8 engine
- Pro also includes Trailering Package
- Pro also includes Locking differential
- Pro and SLE include 2-speed Autotrac Transfer Case
- May require additional optional equipment

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
HD Rear Vision Camera:
- Shows high-resolution digital image of area directly behind your vehicle while in Reverse¹
- Can help you park or avoid vehicles and objects
- You can also display an overlay of where your vehicle is heading
- Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
- 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
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 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
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

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

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Tax, title, license and dealer fees (unless itemized above) are extra. All prices, specifications, and availability subject to change without notice. Contact dealer for most current information. Quoted prices include current cash rebates which may not be combinable with subvented apr offers. Any dealer installed options will be extra (where applicable). Due to the volatility of factory and dealer discounts, and changes that occur within the month, our pricing is subject to change without notice. MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPAs website for details, including a MPG recalculation tool).

In Transit

Howard Bentley Buick GMC

Location Details

MSRP: $63,235
Market Adjustment/Add-ons: $545
Dealer Fee: $750
Trade AssistanceDetails: -$2,500
Bonus CashDetails: -$500
Purchase AllowanceDetails: -$1,750
WORTH THE DRIVE DISCOUNTDetails: -$6,000
Howard Bentley's Price: $53,780

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GM First Responder OfferDetails: -$500
GM Military OfferDetails: -$500
HB APRIL FINANCE DISCOUNT ENDS 4/30/26Details: -$1,000

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We'll always give you the very best possible prices and don't add any bogus fees.
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New 2026 GMCSierra 1500 SLT

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Included Packages & Accessories

DEALER NOTES

Included Dealer Accessories, Add-ons and Upfits