Used 2025 GMCSierra 1500 SLT
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- Black
- Odometer
- 22,149 miles
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 3GTUUDE88SG153137
- Stock Number
- G261895A
GMC
Sierra 1500
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Front dual zone A/C
- Auto high-beam headlights
- Rain sensing wipers
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
Included Packages & Accessories
- Preferred Equipment Group 4SA
- 3.23 Rear Axle Ratio
- Auto-Locking Rear Differential
- Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
- 20" Polished Aluminum Wheels
- Front 40/20/40 Split-Bench Seat
- Front Bucket Seats
- Perf Leather-Appointed Front Outboard Seat Trim
- 10-Way Power Driver Seat Adjuster w/Lumbar
- Standard Suspension Package
- High Capacity Suspension Package
- Off-Road Suspension
- SLT Convenience Package
- SLT Preferred Package
- Texas Edition SLT Premium Package
- Radio: Premium GMC Infotainment Audio System
- SiriusXM w/360L Trial Subscription
- Adaptive Cruise Control
- Color-Keyed Carpeting Floor Covering
- 120-Volt Interior Power Outlet
- Power Sunroof
- Chrome Wheel To Wheel Assist Steps
- Front License Plate Kit
- LED Cargo Area Lighting
- Rear Wheelhouse Liners
- Body Color Wheel Arch Moldings (LPO)
- X31 Off-Road Package
- Trailering Package
- 220 Amp Alternator
- Heavy-Duty Air Filter
- Engine Block Heater
- Integrated Trailer Brake Controller
- Electric Rear-Window Defogger
- Deep-Tinted Glass
- Skid Plates
- Driver Memory
- Power Sliding Rear Window w/Rear Defogger
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- Power Door Locks
- Keyless Open & Start
- Power Front Windows w/Driver Express Up/Down
- Push Button Start
- Remote Vehicle Starter System
- Front Rain-Sensing Wipers
- Hitch Guidance
- Floor-Mounted Center Console
- Electronic Precision Shift
- Chrome Header & Chrome Grille Insert Bars
- Hill Descent Control
- Wireless Charging
- Heated Driver & Front Outboard Passenger Seating
- Heated 2nd Row Outboard Seats
- 120-Volt Bed Mounted Power Outlet
- Auxiliary External Transmission Oil Cooler
- Ventilated Driver & Front Passenger Seats
- 170 Amp Alternator
- Dual Exhaust System
- Manual Tilt-Wheel & Telescoping Steering Column
- Power Rake & Telescoping Steering Column
- Single Speed Transfer Case
- 2-Speed Transfer Case
- GMC Pro Safety
- Wireless Apple CarPlay/Wireless Android Auto
- Buckle to Drive
- Texas Edition Badging
- IntelliBeam Automatic High Beam On/Off
- Perimeter Lighting
- 2 Charge/Data USB Ports Inside Center Console
- 2 Type-C Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports
- OnStar Services Capable
- Following Distance Indicator
- Forward Collision Alert
- Universal Home Remote
- Lane Keep Assist w/Lane Departure Warning
- Automatic Emergency Braking
- Steering Wheel Audio Controls
- Front Pedestrian Braking
- Premium Bose 7-Speaker Sound System
- 6-Speaker Audio System Feature
- Theft Deterrent System (Unauthorized Entry)
- HD Rear Vision Camera
- Front Frame-Mounted Black Recovery Hooks
- Wi-Fi Hotspot Capable
- X31 Hard Badge
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Emergency communication system: OnStar
- AM/FM radio: SiriusXM with 360L
- Auto High-beam Headlights
- Front Center Armrest w/Storage
- Compass
- Auto-dimming Rear-View mirror
- Variably intermittent wipers
- Trip computer
- Traction control
- Tilt steering wheel
- Telescoping steering wheel
- Steering wheel mounted audio controls
- Split folding rear seat
- Speed-sensing steering
- Speed control
- Security system
- Remote keyless entry
- Rear window defroster
- Rear step bumper
- Rear seat center armrest
- Rear reading lights
- Rain sensing wipers
- Radio data system
- Power windows
- Power steering
- Power passenger seat
- Power driver seat
- Power door mirrors
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Memory seat
- Low tire pressure warning
- Illuminated entry
- Heated steering wheel
- Heated front seats
- Heated door mirrors
- Fully automatic headlights
- Front wheel independent suspension
- Front reading lights
- Front fog lights
- Front dual zone A/C
- Front anti-roll bar
- Dual front side impact airbags
- Dual front impact airbags
- Driver vanity mirror
- Driver door bin
- Delay-off headlights
- Bumpers: chrome
- Brake assist
- Automatic temperature control
- Auto-dimming door mirrors
- Alloy wheels
- ABS brakes
- Voltmeter
- Tachometer
- Navigation System
- Electronic Stability Control
- Air Conditioning
- 6 Speakers
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Heated front seats
- Leather upholstery
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Approach angle: 19 deg
- Departure angle: 24 deg
- Ground clearance (min): 206mm (8.1")
- Ramp breakover angle: 18 deg
- Auto-dimming door mirrors
- Bumpers: chrome
- Door mirrors: chrome
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer hitch
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,918mm (75.5")
- Exterior length: 5,890mm (231.9")
- Front headroom: 1,092mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Greenhouse Gas Score (GG): 3
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,529mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,656mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: analog
- Auto high-beam headlights
- Compass
- Configurable
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Keep Assist with Lane Departure Warning active
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Dealer Notes
***OUR MARKET BASED PRICING INCLUDES MD STATE INSPECTION AND ALL RECONDITIONING, 10-Speed Automatic, 4WD, Black Leather.
KBB.com Consumer Reviews

Overall4.0Out of 5
- 4.0
Depreciation of 50%
By Manny A | on 10/28/2026 10:06:36 AM
This is a amazing truck.. Comfortable lots of sensors Etc…. My truck has 30000 miles I when to trade in they offer $46000 I paid $86000 the depreciation is incredible I don’t buy new truck never again.… - 5.0
2021 GMC SLT 4WD SIERRA, Great Truck
By Ransom1 | on 10/15/2026 4:18:42 PM
This is my 8th truck. This is hands down the very best truck I’ve ever owned. Not only is it the best looking truck on the road I have never had it in the shop except for oil changes and scheduled maintenance. The silver does not show dirt or grime.… - 5.0
Great 4 cylinder truck
By Steve | on 9/23/2026 2:01:15 AM
I have only pulled a trailer one time and still got 18 mpg down doing 80 down the interstate. Otherwise this vehicle is used for commuting or recreating. I typically get 22-24 mpg driving MT highways to the mountains. The turbo has some spunk for getting up to speed and the five years I've had my truck no complaints.…
All reviews on KBB.com
Based on 71 consumer ratings for 2019–2026 models. | Privacy
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