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2026 GMC Sierra 2500 HD SLT

9 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimSLT
Stock number36404
Mileage9 miles
BodyPickup
Engine6.6L 8-cyl
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
ExteriorSummit White
Towing16000

Vehicle description

Discover heavy-duty capability, premium comfort, and advanced technology with the new 2026 GMC Sierra 2500 HD SLT , available at Russ Braunecker Cadillac Buick GMC in Effingham, Illinois . Designed for drivers who need serious truck capability without sacrificing comfort and convenience, the Sierra 2500 HD SLT is an excellent choice for hauling equipment, towing trailers, tackling demanding jobs, and enjoying everyday driving in a full-size heavy-duty pickup. The 2026 GMC Sierra 2500 HD SLT offers powerful engine options to meet a variety of needs, including a 6.6L V8 gasoline engine paired with an Allison 10-speed automatic transmission. This engine produces 401 horsepower and 464 lb-ft of torque , delivering dependable performance for work and recreation. The exterior combines GMC's bold styling with practical heavy-duty functionality. A distinctive front grille, signature LED lighting, sculpted body lines, and 18-inch machined aluminum wheels with dark gray metallic accents give the SLT a confident appearance. The GMC MultiPro Tailgate adds versatility with multiple configurations designed to make accessing the truck bed, loading cargo, and handling equipment easier. Inside, the Sierra 2500 HD SLT offers a spacious cabin designed for comfort during long workdays and road trips. The interior features premium seating materials, heated front seats, power-adjustable front seating, and a heated steering wheel. Thoughtful storage, convenient controls, and generous passenger space help make this heavy-duty truck comfortable for both the driver and passengers. Technology helps keep you connected and informed wherever the road takes you. The 13.4-inch diagonal GMC Premium Infotainment System features Google built-in compatibility, providing access to helpful connected features. Wireless Apple CarPlay and Android Auto? compatibility make it easy to connect a compatible smartphone, while the 12.3-inch diagonal digital Driver Information Center displays important driving information. The Bose premium audio system further enhances your listening experience. The 2026 GMC Sierra 2500 HD SLT is engineered for demanding towing and hauling tasks. Its heavy-duty construction, powerful engine options, and available ProGrade Trailering System with an in-vehicle trailering app help drivers monitor trailer information and prepare for towing. Trailering mirrors, camera technologies, and the MultiPro Tailgate add further functionality to make towing easier. Safety and driver-assistance technologies provide additional support on the road and around the job site. GMC's standard Sierra HD Pro Safety suite includes driver-assistance features designed to help improve awareness, including adaptive cruise control, designed to make highway driving stress free. The various camera angles and driver convenience features are there to help keep you safe as you go. If you're searching for a new 2026 GMC Sierra 2500 HD SLT for sale near Effingham, IL , a new GMC heavy-duty pickup , a 2500 HD truck for towing and hauling , or a well-equipped work truck in Central Illinois, the Sierra SLT deserves a closer look. Its combination of heavy-duty capability, premium comfort, modern connectivity, and practical trailering technology makes it a versatile choice for both professional and personal use. At Russ Braunecker Cadillac Buick GMC , we're proud to offer an outstanding selection of new GMC trucks, competitive pricing, flexible financing options, and exceptional customer service. Our knowledgeable team is ready to help you explore the new 2026 GMC Sierra 2500 HD SLT and find the configuration that fits your needs.

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Keyless Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Emergency Brake Assist
  • Lane Departure Warning
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Premium Sound System
  • SiriusXM Trial Subscription
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • Bluetooth® streaming audio for music and select phones
  • Wireless Apple CarPlay capability for compatible phones
  • Wireless Android Auto capability for compatible phones
  • Customize and manage entertainment and vehicle feature setting
  • Voice-activated technology for phone
  • SiriusXM with 360L Trial Subscription
  • Place and receive hands-free phone calls
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • Chrome front bumper
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Rainsense automatic wipers
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Chrome rear bumper
  • With integrated CornerSteps
  • Cab-mounted cargo area lamps
  • Activated by switch located on center switch bank
  • Illuminates the cargo bed area
  • Grille (Chrome surround with Chrome insert bars.)
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • 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
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • IntelliBeam
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Chrome beltline moldings
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • LED taillamps with LED stop lights and animation
  • Rear wheelhouse liners
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • Tailgate and bed rail protection caps
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • LED fog lamps
  • Chrome door handles
  • GMC MultiPro Tailgate
  • Power lock and release
  • 20" LT275/65R20 all-terrain, blackwall tires
  • 6" Chrome rectangular assist steps (factory installed)
  • Textured step pads help provide secure footing
  • 20" Bright face wheels with dark painted pockets
  • Summit White
  • Front license plate bracket
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • USB ports
  • (2) Data/charge ports located on instrument panel
  • 120-volt power outlet
  • 3-prong auxiliary household-style outlet
  • Located on the instrument panel
  • Rear carpeted floor mats
  • Helps protect your interior from road debris and the elements
  • Denali models feature unique premium tufted carpeting
  • Rear Seat Reminder
  • (2) Charge ports located on rear of console
  • Driver memory
  • Seat trim, Perforated Leather-appointed front outboard seating positions
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Power door locks
  • 10-way power driver seat with power lumbar
  • Includes 8-way power driver seat
  • Includes a 2-way power lumbar control
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Steering-wheel mounted controls
  • Power windows with driver express-up/down
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Compass
  • Located in instrument cluster
  • 10-way power front passenger seat
  • Includes 8-way power front passenger seat
  • Inside rearview auto-dimming mirror
  • 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)
  • Power windows with rear express-down
  • 120-volt box-mounted power outlet
  • Located in the pickup bed
  • Wrapped steering wheel
  • Manual tilt and telescoping steering column
  • Rear window defogger
  • Outside temperature display
  • Located in infotainment display
  • Front carpeted floor mats
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • Front center console
  • All-weather floor liners
  • Provides coverage for first and second-row seating
  • Include Brand logo
  • Replaces factory floor mats
  • You can always override the feature and take control
  • Front bucket seats
  • Universal Home Remote
  • 3-channel programmable
  • Dark Walnut/Slate, Perforated Leather-appointed front outboard seating positions
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Power sliding rear window with rear defogger
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location
  • 4-wheel antilock disc brakes
  • 170-amp alternator
  • Heavy-Duty Air Filter
  • Heavy-duty 720 cold-cranking amps battery
  • 80 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Brake pad wear indicator
  • 10,850 lbs. GVWR
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Push Button Start
  • Automatic locking rear differential
  • 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
  • Automatically engages 4WD until traction is regained
  • Pickup bed
  • Roll-formed high-strength steel
  • Includes bed assist step
  • Digital Variable Steering Assist
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Four wheel drive
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Off-Road suspension
  • Emissions, Federal requirements
  • Hill Descent Control
  • Uses antilock braking to help provide a smooth, controlled descent
  • Activates by pushing a button below the instrument panel
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • Trailering Package
  • Trailer hitch
  • Trailering hitch platform
  • Hitch Guidance
  • Sierra HD Pro Safety
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • Buckle to Drive
  • Automatic Emergency Braking
  • SLT Preferred Equipment Group includes standard equipment
  • Sierra HD Pro Safety Plus Package
  • Trailer Side Blind Zone Alert
  • Rear Cross Traffic Alert
  • Front and rear park assist
  • Bed View Camera (Crew Cab and Double Cab models)
  • HD Surround Vision (Crew Cab and Double Cab models)
  • Trailer Camera Provisions (Crew Cab and Double Cab models)
  • Rear Park Assist on SLE models
  • In Vehicle Trailering App on SLE models
  • Safety Alert Seat on SLT
  • SLT Convenience Package
  • Bucket seats
  • Center console
  • Ventilated front seats
  • USB ports in center console
  • LED roof marker lamps
  • Bose Premium Sound System with Richbass woofer
  • SLT Premium Package
  • SLT Preferred Package
  • 6" Chrome assist steps
  • Spray-on bedliner with GMC Logo
  • X31 Off-Road and Protection Package
  • X31 Off-Road Package
  • Off-Road suspension with Twin-tube Rancho shocks
  • Skid plates (transfer case and oil pan)
  • X31 badge (replaces "4X4" badge on bed)
  • Twin-tube Rancho shocks
  • X31 hard badge
  • Heavy Duty Front Spring / Camper Package
  • Power rear sliding window
  • Option/package discount
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 100 miles of Effingham, Illinois
Asking price$70,264Dealer asking price · 9 mi
Market value$74,523Market value · based on 4 comparable cars
vs. market Good deal-5.7%Good deal · based on 4 comparable cars

Where this price sits

Among the lowest-priced · 100% of 4 similar listings ask more than this car.

$70,264lowest$78,686highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-5.7%
−25%Market value+25%
Good deal$4,259 below the market value of $74,523

Price range

$70,264
$70,264$78,686
Lowest price of 5 similar listings within 100 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 new 2026 GMC Sierra 2500 SLT listings within 100 mi.
  • Priced $4,259 below the market value of 4 comparable cars.
  • Lowest price of 5 similar listings within 100 miles.
  • About 9 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 36404 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Cars this price is compared to

Same 2026 Sierra 2500 SLT · new · within 100 miles of Effingham, Illinois. All 4 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Effingham

All years and trims. Nearest first.