2025 GMC Sierra 1500 SLT
Specifications, live market data, colors, and factory features.
1,145 for sale right now
$34,110 – $67,490
Specifications
Performance
- Engine
- 5.3L 8-Cylinder L84
- 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
- $58,000
Colors
Factory colors on 2025 GMC Sierra 1500 SLTs for sale now.
Exterior
- Summit White(white)85
- Onyx Black(black)55
- Titanium Rush Metallic(gray)41
- Sterling Metallic(silver)34
- Sterling(silver)16
- White Frost Tricoat(white)6
- Gray5
- Volcanic Red Tintcoat(red)4
- Titanium(silver)2
- Black2
Interior
- Jet Black(black)156
- Black61
- Dark Walnut/Slate(brown)25
- Dark Walnut(brown)7
Live Market Data
Computed from active 2025 GMC Sierra 1500 SLT listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest SLT Listings
The newest 2025 GMC Sierra 1500 SLTs on the market.

Used 2025 GMC Sierra 1500
$44,849
Est. $652/mo*
Robert Woodall Cadillac

Used 2025 GMC Sierra 1500
$42,094
Est. $613/mo*
Radley Chevrolet

Used 2025 GMC Sierra 1500
$51,489
Est. $747/mo*
Casey KIA

Used 2025 GMC Sierra 1500
$42,794
Est. $623/mo*
Radley Chevrolet

Used 2025 GMC Sierra 1500
$46,752
Est. $680/mo*
Hertrich Buick GMC

Used 2025 GMC Sierra 1500
$53,394
Est. $774/mo*
Dyer Chevrolet Lake Wales

Used 2025 GMC Sierra 1500
$42,794
Est. $623/mo*
Radley Chevrolet

Used 2025 GMC Sierra 1500
$46,633
Est. $678/mo*
Brickell Buick & GMC
What's Yours
Worth?
The median 2025 GMC Sierra 1500 SLT lists for $43,570 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
- GMC MultiPro Tailgate
- Remote locking tailgate with power lock and release
- Cruise control
Driver Assistance
- Automatic Emergency Braking
- Front Pedestrian Braking
- Forward Collision Alert
- Following Distance Indicator
- Lane Keep Assist with Lane Departure Warning
- IntelliBeam automatic high beams
- Hitch Guidance
Entertainment
- 13.4-inch diagonal Premium GMC Infotainment System with Google built-in (navigation and voice assistance apps), multi-touch color display, and AM/FM stereo
- Wireless Apple CarPlay and wireless Android Auto capability
- Bluetooth connectivity and audio streaming
- 6-speaker audio system
- SiriusXM with 360L capability (trial subscription)
- Wi-Fi hotspot capable
- Steering wheel audio controls
Exterior
- Chrome grille header and chrome grille insert bars with gloss black accents
- Chrome front bumper (lower)
- Chrome rear bumper with CornerStep
- Chrome door handles
- Chrome window surround moldings
- Chrome mirror caps
- Outside heated power-adjustable, power-folding mirrors with driver-side auto-dimming, puddle lamps, side perimeter lighting, and memory
- LED projector headlamps with fade-on/fade-off animation, LED turn signals, and LED signature daytime running lamps
- IntelliBeam automatic high-beam assist
- LED fog lamps
- LED taillamps with signature lighting, stop/turn/reverse, and fade-on/fade-off animation
- Perimeter lighting
- Cab-mounted cargo area lamps (integrated with CHMSL)
- LED cargo area bed lighting
- Deep-tinted glass
- Front rain-sensing wipers
- GMC MultiPro Tailgate (six functional load/access features)
- EZ Lift power lock/release tailgate with hitch area light
- Tailgate and bed rail protection caps
- 18-inch x 8.5-inch 6-spoke machined aluminum wheels with Dark Grey Metallic accents
- 265/65R18SL all-season blackwall tires
- Full-size 17-inch steel spare wheel with 265/70R17SL all-season spare tire
- Keyed cylinder spare tire carrier lock
- Rear wheelhouse liners
- Front frame-mounted Black recovery hooks (included on 4WD configurations)
Interior
- Perforated leather-appointed front outboard seating surfaces
- Front 40/20/40 split-bench seat with covered armrest storage and lockable 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 memory (power driver seat and outside mirrors)
- Up-level rear 60/40 folding bench with seatback storage, center armrest with cupholders, and full-width under-seat storage
- Color-keyed carpeting with carpeted front and rear floor mats
- Wrapped steering wheel
- Heated steering wheel
- Manual tilt and telescoping steering column
- Steering wheel audio controls
- Steering wheel-mounted cruise control
- 12.3-inch diagonal enhanced reconfigurable multicolor Driver Information Center
- 13.4-inch diagonal multicolor GMC Premium information display
- Compass display
- Exterior temperature display
- Power front windows (driver and passenger express up/down)
- Power rear windows with express-down
- Power door locks
- Dual-zone automatic climate control
- Rear air vents
- Electric rear-window defogger
- Inside rearview auto-dimming mirror
- 2 charge/data USB ports (instrument panel)
- 2 rear charge-only USB ports (Type-C)
- 120-volt interior power outlet (400 watts shared)
- 120-volt bed-mounted power outlet (400 watts shared)
- Assist handles (front A-pillar and rear B-pillar)
Mechanical & Performance
- 5.3L EcoTec3 V8 engine with Dynamic Fuel Management (355 hp / 383 lb-ft)
- 10-speed automatic transmission with overdrive, tow/haul mode, Cruise Grade Braking, and Powertrain Grade Braking
- Rear-wheel drive (standard drivetrain configuration)
- Automatic Stop/Start
- Push-button start
- Auto-locking rear differential
- Rear axle ratio 3.23
- Standard Suspension Package
- Fully boxed frame with hydroformed front section
- Independent front suspension; solid rear axle
- Electric power rack-and-pinion steering
- 4-wheel antilock disc brakes with Duralife rotors
- Brake lining wear indicator
- StabiliTrak electronic stability control with Proactive Roll Avoidance and traction control (includes electronic trailer sway control and Hill Start Assist)
- Trailering Package (trailer hitch, 7-pin and 4-pin connectors, Hitch Guidance)
- Integrated trailer brake controller
- Capless fuel fill
- Single-outlet exhaust with aluminized stainless-steel muffler and tailpipe
- 170-amp alternator
- Heavy-duty 730 cold-cranking amp battery
- Auxiliary external transmission oil cooler
- 12 fixed cargo tie-downs
Safety & Security
- GMC Pro Safety suite
- Dual-stage frontal airbags (driver and front outboard passenger)
- Seat-mounted side-impact airbags (driver and front outboard passenger)
- Head-curtain airbags (front and rear outboard)
- Front outboard Passenger Sensing System
- HD Rear Vision Camera
- Tire Pressure Monitoring System with Tire Fill Alert (auto learn; spare excluded)
- Rear Seat Reminder
- Rear Seat Belt Indicator
- Front-row seat belt adjustable guide loops
- Buckle to Drive
- Theft-deterrent system (unauthorized entry)
- Electrical steering column lock
- OnStar services capable
- OnStar Basics (standard for 8 years on eligible MY25 vehicles with compatible software)
Warranty
- Bumper-to-Bumper Limited Warranty: 3 years/36,000 miles
- Powertrain Limited Warranty: 5 years/60,000 miles
- Corrosion Protection (sheet metal): 3 years/36,000 miles
- Rust-Through/Corrosion Perforation Limited Warranty: 6 years/100,000 miles
- Roadside Assistance: 5 years/60,000 miles
- Courtesy Transportation: 5 years/60,000 miles