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2026 GMC Sierra 1500 SLT

Specifications, live market data, colors, and factory features.

10,273 for sale right now

$40,621 – $72,974

View Listings

Specifications

355
Horsepower
383
lb-ft Torque
17
MPG Combined
6
Seats
$58k
Base MSRP

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.

For sale now10,273
Median price$61,936
Average price$60,923
Price range$40,621 – $72,974
Median vs. MSRP+$3,736
Avg. days on market35
Avg. mileage1,768 mi
New / Used460 / 40

Price Distribution

median $62k$45k$71k

Price vs. Mileage

0 mi31k mi$71k$45k

Latest SLT Listings

The newest 2026 GMC Sierra 1500 SLTs on the market.

View all 10,273 →
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$57,690

MSRP: $58,2000.9% off
0 mi

Est. $835/mo*

1 day at this dealer
SilverBlack

Jim Causley Buick GMC

Clinton Township, MI
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$54,889

MSRP: $58,2005.7% off
7 mi

Est. $796/mo*

1 day at this dealer
SterlingJet Black

Laura Buick GMC

Collinsville, IL
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$56,513

MSRP: $58,2002.9% off
7 mi

Est. $819/mo*

1 day at this dealer
SterlingDark Walnut

Laura Buick GMC

Collinsville, IL
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$57,044

MSRP: $58,2002% off
7 mi

Est. $826/mo*

1 day at this dealer
Glacier WhiteJet Black

Laura Buick GMC

Collinsville, IL
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$54,451

MSRP: $58,2006.4% off
7 mi

Est. $789/mo*

1 day at this dealer
Summit WhiteJet Black

Laura Buick GMC

Collinsville, IL
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$54,889

MSRP: $58,2005.7% off
7 mi

Est. $796/mo*

1 day at this dealer
SterlingJet Black

Laura Buick GMC

Collinsville, IL
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$56,513

MSRP: $58,2002.9% off
7 mi

Est. $819/mo*

1 day at this dealer
SterlingJet Black

Laura Buick GMC

Collinsville, IL
View New 2026 GMC Sierra 1500 listing

New 2026 GMC Sierra 1500

SLT

$56,075

MSRP: $58,2003.7% off
7 mi

Est. $812/mo*

1 day at this dealer
Summit WhiteJet Black

Laura Buick GMC

Collinsville, IL

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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)