2026 GMC Sierra 2500 SLT
Specifications, live market data, colors, and factory features.
1,481 for sale right now
$60,754 – $89,818
Specifications
401
Horsepower
464
lb-ft Torque
6
Seats
$66k
Base MSRP
Performance
- Engine
- 6.6L V8 L5P
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Diesel
- Fuel Tank
- 36 gal
Dimensions
- Length
- 266.8″
- Width
- 81.9″
- Height
- 79.7″
- Wheelbase
- 172″
- Curb Weight
- 7,195 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 6
- Base MSRP
- $65,500
Colors
Factory colors on 2026 GMC Sierra 2500 SLTs for sale now.
Exterior
- Summit White(white)68
- Onyx Black(black)61
- Sterling Metallic(gray)57
- Volcanic Red Tintcoat(red)25
- Titanium Rush Metallic(gray)17
- Sterling(silver)16
- Glacier White Tricoat(white)14
- Glacier White(white)13
- White10
- Volcanic Red(red)10
Interior
- Jet Black(black)175
- Black44
- Dark Walnut/Slate(gray)39
- Dark Walnut(brown)24
- H1Y JET BLACK(black)4
- Jet Black, Perforated Leather-Appointed Front Outboard Seating P(black)4
- H1y3
- Jet Black, Perforated Leather-appointed front outb(black)2
- Dark Walnut/slate Perforated Leather Appointed Fro(gray)2
- Dark Walnut/Slate, Perforated Leather-Appointed Fr(brown)1
Live Market Data
Computed from active 2026 GMC Sierra 2500 SLT listings nationwide, updated continuously.
For sale now1,481
Median price$75,230
Average price$75,567
Price range$60,754 – $89,818
Median vs. MSRP+$9,730
Avg. days on market39
Avg. mileage392 mi
New / Used479 / 21
Price Distribution
Price vs. Mileage
Latest SLT Listings
The newest 2026 GMC Sierra 2500 SLTs on the market.
View New 2026 GMC Sierra 2500 listing
5 mi
New 2026 GMC Sierra 2500
SLT
$79,151
MSRP: $85,9847.9% off
Est. $1,141/mo*
1 day on market
WhiteBlack
Holiday Chevrolet Buick GMC
Fond Du Lac, WI
View New 2026 GMC Sierra 2500 listing
5 mi
New 2026 GMC Sierra 2500
SLT
$78,686
MSRP: $85,4848% off
Est. $1,135/mo*
1 day on market
SilverBlack
Holiday Chevrolet Buick GMC
Fond Du Lac, WI
View New 2026 GMC Sierra 2500 listing
5 mi
New 2026 GMC Sierra 2500
SLT
$78,686
MSRP: $85,4848% off
Est. $1,135/mo*
1 day on market
BlackBlack
Holiday Chevrolet Buick GMC
Fond Du Lac, WI
View New 2026 GMC Sierra 2500 listing
5 mi
New 2026 GMC Sierra 2500
SLT
$78,226
MSRP: $84,9898% off
Est. $1,128/mo*
1 day on market
WhiteBlack
Holiday Chevrolet Buick GMC
Fond Du Lac, WI
View New 2026 GMC Sierra 2500 listing
5 mi
New 2026 GMC Sierra 2500
SLT
$82,369
MSRP: $85,6703.9% off
Est. $1,187/mo*
1 day on market
RedGray
Cummins Ford Lincoln, Inc.
Weatherford, OK
View New 2026 GMC Sierra 2500 listing
3 mi
New 2026 GMC Sierra 2500
SLT
$80,224
Est. $1,157/mo*
1 day on market
RedBlack
Wyatt Johnson Buick GMC
Clarksville, TN
View New 2026 GMC Sierra 2500 listing
5 mi
New 2026 GMC Sierra 2500
SLT
$81,963
MSRP: $84,6653.2% off
Est. $1,181/mo*
1 day on market
WhiteGray
Dunn Country Chevrolet Buick GMC
Eufaula, OK
View New 2026 GMC Sierra 2500 listing
1 mi
New 2026 GMC Sierra 2500
SLT
$71,303
MSRP: $81,65512.7% off
Est. $1,030/mo*
1 day on market
RedBrown
Northtown Automotive
Yankton, SD
What's Yours
Worth?
The median 2026 GMC Sierra 2500 SLT lists for $75,230 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Remote vehicle starter system
- Keyless Open and Start
- Dual-zone automatic climate control
- Heated front seats
- Heated steering wheel
- Power windows with express-up/down (front) and rear express-down
- Rain-sensing front windshield wipers
- Steering-wheel mounted controls
- 120-volt household-style power outlets (cabin and bed)
- OnStar services capable with Wi-Fi hotspot capability
Driver Assistance
- Forward Collision Alert
- Automatic Emergency Braking
- Front Pedestrian Braking
- Following Distance Indicator
- Lane Departure Warning
- IntelliBeam automatic high-beam headlamps
- Cruise control
- Hitch Guidance (with ProGrade trailering)
Entertainment
- 13.4" diagonal GMC Premium Infotainment System with Google built-in (multi-touch display, navigation capability)
- Wireless Apple CarPlay compatibility
- Wireless Android Auto compatibility
- Bluetooth hands-free phone and audio streaming
- 6-speaker audio system
- SiriusXM with trial subscription (360L where equipped)
- AM/FM radio
- 8 years of OnStar Basics (terms apply; see OnStar)
Exterior
- 18" machined aluminum wheels with dark grey metallic accents
- All-terrain tires (18" LT blackwall, standard fitment)
- Animated LED projector headlamps with LED turn signals and Daytime Running Lamps
- LED fog lamps
- Power-folding/extending heated vertical trailering mirrors with auto-dimming upper glass, turn signals, puddle/perimeter lighting
- Chrome grille surround with chrome insert bars
- CornerStep rear bumper
- Front recovery hooks
- LED cargo area lighting
- Rear wheelhouse liners
- Rear-window defogger
- Standard tailgate with EZ Lift assist, power lock and release
- Deep-tinted glass
- Chrome door handles and beltline moldings
Interior
- 12.3" diagonal color Driver Information Center
- Dual-zone automatic climate control
- 10-way power driver and front outboard passenger seats with power lumbar
- Heated front driver and outboard passenger seats
- Driver seat and outside mirror memory
- Leather-appointed front seating surfaces
- Front 40/20/40 split-bench seat (standard seating configuration)
- 60/40 folding rear bench seat with storage package
- Wrapped and heated steering wheel
- Manual tilt and telescoping steering column
- Inside rearview auto-dimming mirror
- Color-keyed carpeted floor covering
- Rear air vents
- USB ports (charge/data on instrument panel; charge-only rear)
- Rear Seat Reminder
Mechanical & Performance
- 6.6L V8 gasoline engine (401 hp / 464 lb-ft) — standard powertrain
- Allison 10-speed automatic transmission
- 4-wheel drive (SLT Crew Cab configuration)
- 2-speed Autotrac electronic transfer case
- Automatic locking rear differential
- StabiliTrak electronic stability control with Trailer Sway Control and Hill Start Assist
- Digital Variable Steering Assist
- Trailering Package (hitch platform with 2.5" receiver insert provisions, 7-pin connector/harness)
- Integrated trailer brake controller
- In-vehicle Trailering App / Vehicle Trailering App
- ProGrade Trailering System with Hitch Guidance
- Tire Pressure Monitoring System with Tire Fill Alert
- Brake pad wear monitoring
- 120-volt power outlets (instrument panel and cargo bed)
Safety & Security
- Sierra HD Pro Safety suite (factory standard)
- Teen Driver mode
- Buckle to Drive
- Theft-deterrent unauthorized entry system
- Keyless Open and Start / push-button start
- Remote keyless entry
- Power door locks
- Tire Pressure Monitoring System
- HD Rear Vision Camera
- Multiple airbags (front, side, head curtain) and passenger sensing system
Warranty
- 3 years / 36,000 miles bumper-to-bumper limited warranty (whichever comes first)
- 5 years / 100,000 miles powertrain limited warranty (whichever comes first; see GMC terms)
- Roadside Assistance and Courtesy Transportation (with powertrain coverage period)
- First maintenance visit included (see GMC.com/dealer for terms, details, and limits)