2026 GMC Sierra 1500 SLT
Specifications, live market data, colors, and factory features.
10,273 for sale right now
$40,621 – $72,974
Specifications
Performance
- Engine
- 6.2L 6.2L Ecotec3 V8 L87
- Horsepower
- 355 hp
- Torque
- 383 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- MPG City
- 15 mpg
- MPG Highway
- 19 mpg
- MPG Combined
- 17 mpg
- Fuel Tank
- 24 gal
Dimensions
- Length
- 231.9″
- Width
- 81.2″
- Height
- 75.5″
- Wheelbase
- 147″
- Curb Weight
- 5,110 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 6
- Base MSRP
- $58,200
Colors
Factory colors on 2026 GMC Sierra 1500 SLTs for sale now.
Exterior
- Summit White(white)100
- Onyx Black(black)97
- Sterling Metallic(silver)61
- Glacier White Tricoat(white)31
- Sterling(silver)22
- Glacier White(white)18
- White8
- Black5
- Gray5
- Titanium Rush Metallic(silver)4
Interior
- Jet Black(black)243
- Dark Walnut/Slate(gray)52
- Black25
- Dark Walnut(brown)19
- Jet Blk Perforated Lth-Ap(black)8
- Jet Black, Perforated Leather-Appointed Front Outboard Seat Trim(black)5
- H1Y/JET BLACK(black)3
- Dark Walnut/slate Perforated Leather Appointed Front Outboard Se(gray)1
- Dk Walnut/Slate Perforate(gray)1
- Dark Walnut/slate Perforated Leather Appointed Fro(gray)1
Live Market Data
Computed from active 2026 GMC Sierra 1500 SLT listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest SLT Listings
The newest 2026 GMC Sierra 1500 SLTs on the market.

New 2026 GMC Sierra 1500
$57,690
Est. $835/mo*
Jim Causley Buick GMC

New 2026 GMC Sierra 1500
$54,889
Est. $796/mo*
Laura Buick GMC

New 2026 GMC Sierra 1500
$56,513
Est. $819/mo*
Laura Buick GMC

New 2026 GMC Sierra 1500
$57,044
Est. $826/mo*
Laura Buick GMC

New 2026 GMC Sierra 1500
$54,451
Est. $789/mo*
Laura Buick GMC

New 2026 GMC Sierra 1500
$54,889
Est. $796/mo*
Laura Buick GMC

New 2026 GMC Sierra 1500
$56,513
Est. $819/mo*
Laura Buick GMC

New 2026 GMC Sierra 1500
$56,075
Est. $812/mo*
Laura Buick GMC
What's Yours
Worth?
The median 2026 GMC Sierra 1500 SLT lists for $61,936 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Keyless Open and Start with remote keyless entry
- Remote vehicle starter system
- Power door locks
- Power windows (driver and front passenger express up/down; rear express down)
- 120-volt power outlets (interior and bed-mounted)
- 2 charge/data USB ports on instrument panel
- Charge-only USB ports (rear)
- OnStar Basics (8 years; terms apply) and OnStar services capable
- Wi-Fi hotspot capable
Driver Assistance
- Automatic Emergency Braking
- Forward Collision Alert
- Front Pedestrian Braking
- Lane Keep Assist with Lane Departure Warning
- Following Distance Indicator
- IntelliBeam automatic high-beam headlamps
- Steering-wheel-mounted cruise control
Entertainment
- 13.4-inch diagonal Premium GMC Infotainment System with Google built-in
- Multicolor multi-touch display with AM/FM stereo
- Wireless Apple CarPlay and Wireless Android Auto for compatible phones
- Bluetooth phone connectivity and audio streaming
- 6-speaker audio system
- SiriusXM with 360L capable (trial subscription; subscription sold separately)
- Steering-wheel audio controls
Exterior
- 18-inch 6-spoke machined aluminum wheels with Dark Grey Metallic accents
- 265/65R18SL all-season blackwall tires
- 17-inch full-size steel spare with 265/70R17SL all-season spare tire
- Chrome front bumper lower
- Chrome rear bumper with CornerStep
- Chrome grille, door handles, and mirror caps
- Chrome window-surround moldings
- LED projector headlamps with fade-on/fade-off animation, LED turn signals, and LED signature daytime running lamps
- LED signature taillamps with LED stop/turn/reverse and fade-on/fade-off animation
- LED fog lamps
- IntelliBeam automatic high beams
- Perimeter lighting
- Heated, power-adjustable, power-folding outside mirrors with driver-side auto-dimming, puddle lamps, side perimeter lighting, and memory
- Rain-sensing front wipers
- Deep-tinted glass
- GMC MultiPro six-function tailgate
- EZ Lift tailgate with power lock/release and hitch-area light
- Tailgate and bed-rail protection caps
- LED cargo-area bed lighting
- Cab-mounted cargo-area lamps integrated with center high-mount stop lamp
- Rear wheelhouse liners
- Fixed cargo tie-downs
- Front frame-mounted recovery hooks (black)
- Keyed tire-carrier lock
Interior
- Perforated leather-appointed front outboard seat trim
- Front 40/20/40 split-bench seat with covered center armrest storage and under-seat storage
- 10-way power driver seat with power lumbar
- 10-way power front passenger seat with power lumbar
- Heated driver and front outboard passenger seats
- Driver seat and outside-mirror memory
- Up-level rear 60/40 folding bench with Storage Package (seatback storage, center fold-out armrest with cupholders, full-width under-seat storage)
- Color-keyed carpeting
- Carpeted front and rear floor mats
- Wrapped, heated steering wheel
- Manual tilt and telescoping steering column
- Auto-dimming inside rearview mirror
- Dual-zone automatic climate control
- Rear HVAC vents
- Electric rear-window defogger
- 12.3-inch diagonal reconfigurable multicolor digital Driver Information Center
- Exterior temperature display and compass
- Front A-pillar and rear B-pillar assist handles
- Electrical steering-column lock
Mechanical & Performance
- 5.3L EcoTec3 V8 with Dynamic Fuel Management (355 hp / 383 lb-ft)
- 10-speed automatic transmission
- Standard suspension package
- 3.23 rear axle ratio
- Auto-locking rear differential
- External engine oil cooler
- Auxiliary external transmission oil cooler
- 170-amp alternator
- Heavy-duty 730 CCA / 80 Amp-hr battery with rundown protection and retained accessory power
- 4-wheel antilock disc brakes with Duralife rotors
- Brake lining / brake pad wear monitoring
- Electric power rack-and-pinion steering
- StabiliTrak electronic stability control with Proactive Roll Avoidance, traction control, electronic trailer sway control, and hill start assist
- Automatic Stop/Start
- Capless fuel fill
- Single-outlet aluminized stainless-steel exhaust
- Fully boxed frame with hydroformed front section
- Trailering Package (trailer hitch, 7-pin and 4-pin connectors, Hitch Guidance)
- Integrated trailer brake controller
- Push-button start
Safety & Security
- GMC Pro Safety suite
- Dual-stage frontal airbags for driver and front outboard passenger
- Seat-mounted side-impact airbags for driver and front outboard passenger
- Head-curtain airbags for front and rear outboard seating positions
- Front outboard Passenger Sensing System
- Tire Pressure Monitoring System with Tire Fill Alert
- Rear Seat Reminder
- Rear seat-belt indicator
- Buckle to Drive
- Front-row adjustable seat-belt guide loops
- Theft-deterrent unauthorized-entry system
- HD Rear Vision Camera
- Hitch Guidance
Warranty
- 3-year/36,000-mile bumper-to-bumper limited warranty
- 5-year/60,000-mile powertrain limited warranty
- Roadside assistance and courtesy transportation (powertrain coverage period)
- First maintenance visit included (whichever comes first; see GMC.com or dealer for terms)