2026 GMC Sierra 2500 HD SLT
10 miles · truck
Complete vehicle specifications
Vehicle description
Onyx Black 2026 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel This vehicle features Assist Step and Floor Liner Package (All-Weather Floor Liners), Gooseneck/5th Wheel Prep Package (Spray-on Pickup Bedliner with GMC Logo), Preferred Equipment Group 4SA (10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Active Transfer Case, 6-Speaker Audio System Feature, Chrome Surround Grille with Chrome Insert Bars, Deep-Tinted Glass, Driver Memory, Electric Rear-Window Defogger, Front 40/20/40 Split-Bench Seats, Front Rain-Sensing Wipers, Heated Driver and Front Outboard Passenger Seats, Keyless Open and Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar Services Capable, Power Front Passenger Windows with Express Up/Down, Push Button Start, Rear Wheelhouse Liners, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, and Wireless Phone Projection), SLT Convenience Package (2 Charge/Data USB Ports Inside Center Console, Bose Premium 7-Speaker Sound System, Floor-Mounted Center Console, Front Bucket Seats, LED Smoked Amber Roof Marker Lamps, Ventilated Driver and Front Passenger Seats, and Wireless Charging), Snow Plow Prep/Camper Package (220-Amp Alternator), Suspension Package, 18 Machined Aluminum Wheels, 4-Wheel Disc Brakes, 6 Speakers, 6 Rectangular Chromed Tubular Assist Steps, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: chrome, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC MultiPro Tailgate, GMC MultiPro Tailgate Step Lights, Heated door mirrors, Heated front seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, High Idle Switch, Hitch Guidance with Hitch View, Illuminated entry, in-Vehicle Trailering System App, IntelliBeam Automatic High Beam on/Off, Lane Departure Warning System, Low tire pressure warning, Memory seat, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Front Outboard Seat Trim, Pickup Box, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, Set of 4 Wheel Locks, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Variably intermittent wipers, Voltmeter, Wheels: 20 Bright Face with Dark Painted Pockets, and Winter Grille Cover.
Features & options (246)
- Bluetooth®
- Heated Steering Wheel
- Remote Start
- 4WD/AWD
- Android Auto
- Apple CarPlay
- Leather Seats
- Wi-Fi Hotspot
- Auto Dimming Mirror
- Emergency Brake Assist
- Lane Departure Warning
- Wireless Phone Charging
- Forward Collision Warning
- Navigation System
- Rear View Camera
- Tow Hitch/Tow Package
- Automatic Climate Control
- Entertainment System
- Turbo Charged Engine
- Cruise Control
- Premium Sound System
- Place and receive hands-free phone calls
- 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 Trial Subscription
- Wireless phone projection
- For Apple CarPlay and Android Auto
- SiriusXM with 360L Trial Subscription
- 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
- Chrome beltline moldings
- Chrome rear bumper
- With integrated CornerSteps
- Grille (Chrome surround with Chrome insert bars.)
- IntelliBeam
- Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
- LED taillamps with LED stop lights and animation
- Tailgate and bed rail protection caps
- Spare tire carrier lock
- Helps keep spare tire secure
- Deep-tinted glass
- Provides added protection from sun and glare
- Rainsense automatic wipers
- Rear wheelhouse liners
- Cargo tie-downs
- 12-fixed rated at 500 lbs. per corner
- Chrome door handles
- Tailgate with EZ Lift assist, power lock & release
- Hitch area lighting
- CornerStep rear bumper
- Located at each end of the rear bumper
- Textured step pads to help provide secure footing
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- 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
- Chrome front bumper
- LED fog lamps
- Side Bed Step
- Black textured step pads help provide secure footing
- 18" LT275/70R18 all-terrain, blackwall spare tire
- GMC MultiPro Tailgate
- Power lock and release
- 20" LT275/65R20 all-terrain, blackwall tires
- Winter Grille Cover
- 6" Chrome assist steps
- Textured step pads help provide secure footing
- 20" Bright face wheels with dark painted pockets
- Front license plate bracket
- GMC MultiPro tailgate Step Lights
- 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
- Wheel locks
- Helps safeguard wheels on the vehicle
- Includes 4 locks and 1 key
- Onyx Black
- Rear window defogger
- Rear Seat Reminder
- USB ports
- (2) Data/charge ports located on instrument panel
- Theft-deterrent unauthorized entry system
- Helps deter unauthorized entry, helping to protect your vehicle
- Outside temperature display
- Located in infotainment display
- Power windows with driver express-up/down
- 10-way power front passenger seat
- Includes 8-way power front passenger seat
- Includes a 2-way power lumbar control
- Power door locks
- Carpeted floor covering
- Color-keyed to match the interior
- Inside rearview auto-dimming mirror
- (2) Charge ports located on rear of console
- Heated driver and front outboard passenger seats
- Individually controlled
- Keyless Open and Start
- Lockout protection helps you avoid locking keys in the vehicle
- 10-way power driver seat with power lumbar
- Includes 8-way power driver seat
- Compass
- Located in instrument cluster
- Front carpeted floor mats
- Helps protect your interior from road debris and the elements
- Denali models feature unique premium tufted carpeting
- Dual-zone automatic climate control
- Allows individual climate settings for both driver and front passenger
- Assist handles
- Front A-pillar mounted for Driver and Passenger
- Rear B-pillar mounted
- Seat trim, Perforated Leather-appointed front outboard seating positions
- Rear carpeted floor mats
- Power windows with driver and front passenger express-up/down
- If obstruction is detected, the anti-pinch feature will auto-reverse
- 120-volt power outlet
- 3-prong auxiliary household-style outlet
- Located on the instrument panel
- Steering-wheel mounted controls
- Rear air vents
- Provides cabin comfort for rear occupants
- Power windows with rear express-down
- Manual tilt and telescoping steering column
- 120-volt box-mounted power outlet
- Located in the pickup bed
- Maintains a selected speed while driving
- Set and resume speed functions
- Wrapped steering wheel
- 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)
- 12.3" diagonal color Driver Information Center
- High definition display provides crisp, premium appearance
- Driver memory
- Front center console
- All-weather floor liners
- Provides coverage for first and second-row seating
- Include Brand logo
- Replaces factory floor mats
- Front bucket seats
- Ventilated driver and front passenger seats
- Cooling feature includes both seatbacks and cushions
- Wireless Charging
- Uses induction technology for select portable electronic devices
- Convenient charging location
- Jet Black, Perforated Leather-appointed front outboard seating positions
- Suspension Package
- 4-wheel antilock disc brakes
- Integrated trailer brake controller
- Integrated with the antilock brake system (ABS)
- Heavy-Duty Air Filter
- Four wheel drive
- Fully boxed frame
- Hydroformed front section
- High-strength steel
- Brake pad wear indicator
- In-Vehicle Trailering App
- Checklist
- Trailer maintenance reminders
- Trailer security alerts
- Trailer mileage
- Tow/haul reminder
- Trailer electrical diagnostics
- Automatic locking rear differential
- Digital Variable Steering Assist
- Heavy-duty dual batteries with 1460 cold-cranking amps
- 70 Amp-hr
- Maintenance-free with rundown protection and retained accessory power
- 11,350 lbs. GVWR
- 220-amp alternator
- Skid plates
- Help protect the front underbody, oil pan and transfer case
- Gooseneck / 5th Wheel Prep Package
- Hitch platform to accept Gooseneck or 5th wheel hitch
- Box mounted 7-pin trailer harness
- SLT Preferred Equipment Group includes standard equipment
- Assist Step and Floor Liner Package
- 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
- Snow Plow Prep / Camper Package
- Power feed to accommodate a backup and roof emergency light
- A single 220-amp alternator
- Heavy-duty front springs
- LED Daytime Running Lamps
- Signature LED Daytime Running Lamps
- Tire Pressure Monitoring System with Tire Fill Alert
- Rear Seat Belt Indicator
- Teen Driver
- Trailering Information Label
- Forward Collision Alert
- OnStar Basics
- Drive confidently with core OnStar services including
- Remote commands
- Built-in voice assistance
- Real-time traffic and navigation
- Automatic Crash Response to help if you're in need
- HD Rear Vision Camera
- Can help you park or avoid vehicles and objects
- Following Distance Indicator
- Designed to help you maintain a safe following distance
- OnStar services capable
- Hitch View
- Shows a close-up view of the trailer hitch
- Hitch Guidance
- Can help you line up the hitch to your trailer
- Buckle to Drive
- Seat Belt Adjustable Guide Loops
- Front row only
- 6 airbags
- Dual-stage frontal airbags for driver and front outboard passenger
- Head-curtain airbags for outboard seating positions
- Automatic Emergency Braking
- Works at speeds between 5 and 50 mph
- Front Pedestrian Braking
- Limited nighttime and low visibility performance
- DriveType: Four Wheel Drive
- Fuel System: Direct Injection
- Fuel Tank Capacity: 36 gal
- Fuel Type: Diesel Fuel
- Horse Power: 470
- Rear Wheel: Single
- Trailering Capacity: 18500 lbs
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Vehicle price analysis
Where this price sits
Among the highest-priced · 0% of 5 similar listings ask more than this car.
Price vs. median
Price range
AutosXchange Insights
- Compared with 5 new 2026 GMC Sierra 2500 SLT listings within 50 mi.
- Priced $874 above the median of 5 similar listings within 50 miles of Wallingford, Connecticut — compare options, condition and history.
- 6th lowest price of 6 similar listings within 50 miles.
- About 10 miles per year of age (U.S. average is roughly 12,000–14,000).
- Stock # 267718G — mention it when you call or text.
Price history
Price tracked by AutosXchange since Nov 7, 2026. No price change at this dealership since Nov 7 ($77,460).
AutosXchange Intel Hub: Price changes for this model in Connecticut · This model in the Intel Hub · Market movers in Connecticut
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 9); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Similar vehicles within 50 miles of Wallingford, Connecticut
Tap a vehicle to open its full listing, dealer details, photos and asking price.
2026 GMC Sierra 2500 HD SLT10 miles · Wallingford GMC · Wallingford, CT · 0 mi away$75,505$1,955 less than this car
2026 GMC Sierra 2500 HD SLT Truck Crew Cab5 miles · Scranton GMC of Vernon · Vernon, CT · 31 mi away$76,363$1,097 less than this car
2026 GMC Sierra 2500 HD SLT Truck Crew Cab5 miles · Scranton GMC of Vernon · Vernon, CT · 31 mi away$76,586$874 less than this car
2026 GMC Sierra 2500 HD SLT Truck Crew Cab5 miles · Scranton GMC of Vernon · Vernon, CT · 31 mi away$76,640$820 less than this car
2026 GMC Sierra 2500 HD SLT7 miles · Minchin GMC · Stamford, CT · 47 mi away$76,783$677 less than this carMore GMC Sierra in Wallingford
Tap a vehicle to open its full listing, dealer details, photos and asking price.
2026 GMC Sierra 1500 Denali10 miles · Wallingford, CT$62,258$15,202 less than this car
2026 GMC Sierra 1500 AT410 miles · Wallingford, CT$61,073$16,387 less than this car
2026 GMC Sierra 1500 SLT10 miles · Wallingford, CT$55,200$22,260 less than this car
2026 GMC Sierra 1500 Elevation10 miles · Wallingford, CT$47,143$30,317 less than this car
2026 GMC Sierra 2500 HD AT410 miles · Wallingford, CT$80,879$3,419 more than this car2026 GMC Sierra 2500 HD SLT10 miles · Wallingford, CT$75,505$1,955 less than this car
2026 GMC Sierra EV Elevation Extended Range10 miles · Wallingford, CT$70,681$6,779 less than this car
2026 GMC Sierra 2500 HD SLE10 miles · Wallingford, CT$67,393$10,067 less than this car