New 2026 GMC Sierra 2500 HD SLT Truck Photo 1 of 7

New 2026 GMCSierra 2500 HD SLT

In Transit

Mountain Home Auto Ranch Chevrolet

Location Details

Exterior Color: Sterling Metallic
Interior Color: Dark Walnut/Slate, Perforated Leather-appointed fr
Transmission: Automatic

Drivetrain: 4WD
Engine: 6.6L Duramax Turbo-Diesel V8 engine
VIN: 1GT4UNEY2TF111653

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, 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, 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 >>>

Powertrain

Fuel System: Direct Injection
Fuel tank capacity: 36 gal
Horsepower: 470

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
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
Wi-Fi^® Hotspot capable:
- Terms and limitations apply. See onstar.com or dealer for details.
- May require additional optional equipment
Wireless phone projection:
- For Apple CarPlay^™¹ and Android Auto^™²

Exterior

18" LT275/70R18 all-terrain, blackwall spare tire:
- May require additional optional equipment
18" LT275/70R18E all-terrain, blackwall tires
18" machined aluminum wheels with Dark Grey metallic accents
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps:
- LED taillamps with LED stop lights and animation
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Body color wheel arch moldings:
- Available in (Summit White, White Frost Tricoat, Onyx Black, Volcanic Red Tintcoat or Sterling Metallic)
Cab-mounted cargo area lamps:
- Activated by switch located on center switch bank
- Illuminates the cargo bed area
Cargo bed LED lighting:
- Provides light to find cargo in the bed
- May require additional optional equipment
Cargo tie-downs:
- 12-fixed rated at 500 lbs. per corner
Chrome beltline moldings
Chrome door handles
Chrome front bumper:
- May require additional optional equipment
Chrome mirror caps
Chrome rear bumper:
- With integrated CornerSteps
- May require additional optional equipment
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
GMC MultiPro Tailgate:
- Six function tailgate designed to help improve loading, unloading and accessing the cargo box
- Hitch area lighting
- Power lock and release
- May require additional optional equipment
IntelliBeam:
- At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions
LED fog lamps
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass:
- Chrome mirror caps
- AT4 and AT4X features high gloss Black mirror caps
- Power folding/extending
- Lower convex mirrors
- Heated upper glass
- Integrated turn signal indicators
- Puddle lamps
- Perimeter lighting
- Auxiliary lighting
- Extends 3.31-inches
Rainsense automatic wipers:
- When turned on, will automatically clear the windshield 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
- May require additional optional equipment
Side Bed Step:
- Black textured step pads help provide secure footing
- Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
Spare tire carrier lock:
- Helps keep spare tire secure
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:
- Includes 8-way power driver seat
- Includes a 2-way power lumbar control
10-way power front passenger seat:
- Includes 8-way power front passenger seat
- Includes a 2-way power lumbar control
12.3" diagonal color Driver Information Center:
- Includes driver personalization, warning messages and vehicle information
- Replaces traditional analog gauges with fully reconfigurable high definition cluster layout
- High definition display provides crisp, premium appearance
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 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
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:
- Press memory button 1 or 2 to program and recall preferences
- 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
- May require additional optional equipment
Front carpeted floor mats:
- Helps protect your interior from road debris and the elements
- Color-keyed to match the interior
- Denali models feature unique premium tufted carpeting
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
- 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
- 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 key fob in your possession, lock and unlock your car's doors by pressing the button on a front exterior door handle, increasing convenience
- Lockout protection helps you avoid locking keys in 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
- May require additional optional equipment
Outside temperature display:
- Located in infotainment display
Power door locks:
- 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 (when equipped)
Power windows with driver and front passenger express-up/down:
- Quickly raises the window or lowers it with the touch of a button
- If obstruction is detected, the anti-pinch feature will auto-reverse
Power windows with driver express-up/down:
- Quickly raises the window or lowers it with the touch of a button
- If an obstruction is detected, the anti-pinch feature will auto-reverse
Power windows with rear express-down
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
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 models feature unique premium tufted carpeting
Rear window defogger:
- 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
Steering-wheel mounted controls:
- Allow the driver to easily operate the audio system and phone interface controls
- May require additional optional equipment
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
- May require additional optional equipment
USB ports:
- (2) Charge ports located on rear of console¹
USB ports:
- (2) Data/charge ports located on instrument panel¹
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:
- Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
- Electronically controlled with overdrive
- Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode)
- May require additional optional equipment
11,350 lbs. GVWR:
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
3.42 rear axle ratio:
- Requires a diesel engine
4-wheel antilock disc brakes:
- Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
- DuraLife^™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife^™ rotors are hardened and strengthened during the manufacturing process
- Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
6.6L Duramax Turbo-Diesel V8 engine:
- 470 hp [350.5 kW] @ 2800 rpm
- 975 lb-ft of torque [1322 Nm] @ 1600 rpm
- 3.42 rear axle ratio
- Exhaust brake
- Engine block heater
- Capped fuel fill
- Paired with an Allison^® 10-speed automatic transmission
- Diesel Exhaust Fluid (DEF) fill located in fuel door
- Engine after run feature for cooling performance
- May require additional optional equipment
Air filtration monitoring:
- Alerts the driver when the engine air filter needs replacement
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
Autotrac^® 2-speed transfer case with push button controls:
- 4-button control 2WD, Auto, 4WD, 4WD LO
- 2WD High for most on-road and highway situations
- 4WD High for snowy or wet roads when added traction is needed
- 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
- When in AUTO mode, remains in 2WD mode until the system detects wheel slippage
- May require additional optional equipment
Brake pad wear indicator
Capped fuel fill:
- Requires diesel engine or pickup bed delete
Digital Variable Steering Assist:
- This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
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 extend engine oil life under heavy loads
Fully boxed frame:
- Hydroformed front section
- High-strength steel
Gooseneck / 5th Wheel Prep Package:
- Hitch platform to accept Gooseneck or 5th wheel hitch
- Hitch platform with tray to accept ball and stamped box holes with caps installed
- Box mounted 7-pin trailer harness
- May require additional optional equipment
Heavy-Duty Air Filter:
- Thick construction helps to trap more dirt before it can enter the air intake
Heavy-duty dual batteries with 1460 cold-cranking amps:
- 70 Amp-hr
- Maintenance-free with rundown protection and retained accessory power
- May require additional optional equipment
In-Vehicle Trailering App:
- Checklist¹
- Trailer maintenance reminders
- Trailer security alerts
- Trailer mileage
- Tow/haul reminder
- Trailer electrical diagnostics
- Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
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 suspension:
- May require additional optional equipment
Pickup bed:
- Roll-formed high-strength steel
- Includes bed assist step
Push Button Start

Package

ProGrade Trailering System:
- Hitch Guidance with Hitch View
- In-vehicle Trailering App
SLT Premium Package:
- SLT Convenience Package
- SLT Preferred Package
- Sierra HD Pro Safety Plus Package
- 6" Chrome assist steps
- Spray-on bedliner with GMC Logo
Sierra HD Pro Safety:
- Forward Collision Alert¹
- Following Distance Indicator¹
- Front Pedestrian Braking¹
- IntelliBeam
- Lane Departure Warning¹
- Buckle to Drive
- Automatic Emergency Braking¹
Trailering Package:
- Trailer hitch¹
- Trailering hitch platform
- Includes a 2.5" receiver hitch (with 2" insert), 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
- May require additional optional equipment
X31 Off-Road Package:
- Off-Road suspension
- Hill Descent Control
- Skid plates
- Twin-tube Rancho shocks
- X31 hard badge
- May require additional optional equipment

Safety-Exterior

LED Daytime Running Lamps
Signature LED Daytime Running Lamps

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
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
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
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
Lane Departure Warning:
- Alerts you when it detects that you are unintentionally drifting out of detected lane lines¹
- System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
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
Seat Belt Adjustable Guide Loops:
- Front row only
Teen Driver:
- Helps encourage safe driving habits for teens by providing an in-vehicle report card¹
- Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
- Mutes the radio until the front-seat occupants fasten their seat belts
Tire Pressure Monitoring System with Tire Fill Alert:
- Monitors tire pressure and alerts of an under-inflated 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
Trailering Information Label:
- Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch

Safety-Mechanical

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
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
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 which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module
- Includes Trailer Sway Control
- Hill Start Assist

Vehicle Details
Discover the power and sophistication of the 2026 GMC Sierra 2500 SLT, a truck engineered to exceed your expectations with its robust performance and luxurious features. Under the hood lies a mighty V8, 6.6L engine, perfectly paired with a 4WD system to conquer any terrain with confidence and ease. Whether towing, hauling, or cruising, this powerhouse delivers remarkable capability and precision. Step inside the GMC Sierra 2500 SLT, where comfort meets cutting-edge technology. Sink into premium leather seats that offer exceptional support on long journeys, and enjoy the warmth of a heated steering wheel on chilly mornings. Stay seamlessly connected with Android Auto and Apple CarPlay, bringing your favorite apps and navigation directly to the intuitive infotainment system. With hands-free Bluetooth, effortlessly manage calls and music while keeping your focus on the road ahead. Every detail of the GMC Sierra 2500 SLT speaks to its refined craftsmanship, from the bold exterior design to its well-appointed interior. This truck is not just a vehicle; it's a statement of strength and style. Whether you're tackling tough jobs or embarking on weekend adventures, the 2026 GMC Sierra 2500 SLT is your ultimate companion. Experience unmatched performance, luxury, and innovation in a truck that stands in a class of its own.

Equipment
This 2026 GMC Sierra 2500 offers Android Auto for seamless smartphone integration. Protect the vehicle from unwanted accidents with a cutting edge backup camera system. Apple CarPlay: Seamless smartphone integration for this unit - stay connected and entertained on the go! This model's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. It offers Automatic Climate Control for personalized comfort. This model has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. Start it from inside with remote start. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This unit gleams with an elegant silver clear coated finish.

Disclaimer: The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price. 1Dealer Discount applied to everyone. * MSRP is the Manufacturer's Suggested Retail Price (MSRP) of the vehicle. It does not include any taxes, fees or other charges. Pricing and availability may vary based on a variety of factors, including options, dealer, specials, fees, and financing qualifications. Consult your dealer for actual price and complete details. Vehicles shown may have optional equipment at additional cost. * The estimated selling price that appears after calculating dealer offers is for informational purposes, only. You may not qualify for the offers, incentives, discounts, or financing. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. * The advertised price does not include sales tax, vehicle registration fees, other fees required by law or finance charges. A doc fee, up to $499, may be added to the price of the vehicle. * Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness. * In transit means that vehicles have been built, but have not yet arrived at your dealer. Images shown may not necessarily represent identical vehicles in transit to your dealership. See your dealer for actual price, payments and complete details.

MSRP: $84,585
Better Way Price: Call for price
Purchase Allowance: -$500
GM Military Offer: -$500

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New 2026 GMCSierra 2500 HD SLT

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New 2026 GMCSierra 2500 HD SLT

Included Packages & Accessories

DETAILED_SPECIFICATIONS hidden

Warranty

Seats and Trim

Powertrain

Specs and Dimensions

Entertainment

Exterior

Installed Equipment

Interior

Mechanical

Package

Processing-Discounts

Safety-Exterior

Safety-Interior

Safety-Mechanical

Dealer Notes