2026 GMC Sierra 2500 SLT
Specifications, live market data, colors, and factory features.
1,355 for sale right now
$58,719 – $90,107
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)30
- Onyx Black(black)27
- Sterling Metallic(silver)16
- Volcanic Red Tintcoat(red)12
- Sterling(silver)9
- Titanium Rush Metallic(silver)6
- Volcanic Red(red)5
- Glacier White Tricoat(white)5
- TRAILER MIRRORS W/AUTO-DIM(white)4
- Glacier White(white)3
Interior
- Jet Black(black)79
- Black12
- Dark Walnut/Slate(gray)9
- Dark Walnut(brown)7
- Jet Blk Perforated Lth-Ap(black)5
- Jet Black, Perforated Leather-Appointed Front Outboard Seating P(black)1
- Dk Walnut/Slate Perforate(gray)1
- Dark Walnut/slate Perforated Leather Appointed Fro(brown)1
- Hve1
- H1y1
Live Market Data
Computed from active 2026 GMC Sierra 2500 SLT listings nationwide, updated continuously.
For sale now1,355
Median price$75,388
Average price$75,293
Price range$58,719 – $90,107
Median vs. MSRP+$9,888
Avg. days on market46
Avg. mileage677 mi
New / Used467 / 33
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
1 mi
New 2026 GMC Sierra 2500
SLT
$74,385
Est. $1,073/mo*
1 day at this dealer
Volcanic RedJet Black
Mike Smith Buick GMC
Lockport, NY
View New 2026 GMC Sierra 2500 listing
3 mi
New 2026 GMC Sierra 2500
SLT
$81,224
Est. $1,171/mo*
2 days at this dealer
WhiteGray
Chuck Nash Chevrolet Buick GMC
San Marcos, TX
View New 2026 GMC Sierra 2500 listing
0 mi
New 2026 GMC Sierra 2500
SLT
$72,053
MSRP: $72,3040.3% off
Est. $1,040/mo*
3 days at this dealer
WhiteGray
Howard Bentley Buick GMC
Albertville, AL
View New 2026 GMC Sierra 2500 listing
1 mi
New 2026 GMC Sierra 2500
SLT
$77,769
MSRP: $86,1409.7% off
Est. $1,122/mo*
3 days at this dealer
BlackBlack
Crain Buick GMC of Springdale
Springdale, AR
View New 2026 GMC Sierra 2500 listing
7 mi
New 2026 GMC Sierra 2500
SLT
$74,403
Est. $1,074/mo*
3 days at this dealer
WhiteBlack
Cowboy Chevrolet GMC
Heber Springs, AR
View New 2026 GMC Sierra 2500 listing
1 mi
New 2026 GMC Sierra 2500
SLT
$71,590
MSRP: $86,12516.9% off
Est. $1,034/mo*
3 days at this dealer
GrayBlack
Texan Buick GMC
Humble, TX
View New 2026 GMC Sierra 2500 listing
0 mi
New 2026 GMC Sierra 2500
SLT
$82,000
MSRP: $85,3503.9% off
Est. $1,182/mo*
3 days at this dealer
Black
Motor City Buick GMC
Bakersfield, CA
View New 2026 GMC Sierra 2500 listing
0 mi
New 2026 GMC Sierra 2500
SLT
$81,505
MSRP: $84,8553.9% off
Est. $1,175/mo*
3 days at this dealer
White
Motor City Buick GMC
Bakersfield, CA
What's Yours
Worth?
The median 2026 GMC Sierra 2500 SLT lists for $75,388 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)