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Used 2025 GMCSierra 1500 AT4

    Exterior Color
    Onyx Black
    Interior Color
    Jet Black With Kalahari Accents
    Odometer
    19,730 miles
    Body/Seating
    Truck/5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    EcoTec3 6.2L V8
    VIN
    1GTUUEEL8SZ190005
    Stock Number
    11831TN
    GMC Sierra 1500
    • Show Me the CARFAX Good Value Badge

    Highlighted Features

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C

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    Included Packages & Accessories

    • Navigation System
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Radio data system
    • SiriusXM w/360L Trial Subscription
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Memory seat
    • Power driver seat
    • Power Front Passenger Windows w/Express Up/Down
    • Power Front Windows w/Driver Express Up/Down
    • Power Rear Windows w/Express Down
    • Power steering
    • Power windows
    • Remote keyless entry
    • Steering wheel mounted audio controls
    • Power Rake & Telescoping Steering Column
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Emergency communication system: OnStar
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open & Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power Sunroof
    • Brake assist
    • Electronic Stability Control
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Theft Deterrent System (Unauthorized Entry)
    • Speed control
    • 170 Amp Alternator
    • Auxiliary External Transmission Oil Cooler
    • Block heater
    • External Engine Oil Cooling
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Dual Active Exhaust
    • Front License Plate Kit
    • Heated door mirrors
    • IntelliBeam Automatic High Beam On/Off
    • Power door mirrors
    • Rear step bumper
    • Spray-On Pickup Bedliner w/GMC Logo
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front Prem Floor Liners w/Removable Carpet Insert
    • Front reading lights
    • Heated steering wheel
    • Illuminated entry
    • Lane Keep Assist w/Lane Departure Warning
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear Prem Floor Liners w/Removable Carpet Insert
    • Rear reading lights
    • Rear seat center armrest
    • Rear Underseat Storage (LPO)
    • Safety Alert Seat
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trip computer
    • Ultrasonic Front & Rear Park Assist
    • Voltmeter
    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Front Center Armrest
    • Heated Driver & Front Outboard Passenger Seating
    • Perforated Front Leather Seat Trim
    • Power passenger seat
    • Split folding rear seat
    • Ventilated Driver & Front Passenger Seats
    • Passenger door bin
    • In-Vehicle Trailering System App
    • Alloy wheels
    • Power Sliding Rear Window w/Rear Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.23 Rear Axle Ratio
    • AT4 Preferred Package
    • Preferred Equipment Group 4SB
    • Trailering Package
    • Premium Bose 7-Speaker Sound System
    • Radio: Premium GMC Infotainment Audio System
    • Steering Wheel Audio Controls
    • Electric Rear-Window Defogger
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Interior Power Outlet
    • Driver Memory
    • Push Button Start
    • Remote Vehicle Starter System
    • Universal Home Remote
    • Auto-Locking Rear Differential
    • Off-Road Suspension
    • Power Door Locks
    • Hill Descent Control
    • Perimeter Lighting
    • 220 Amp Alternator
    • Heavy-Duty Air Filter
    • Black Chrome Grille Insert Bars
    • LED Cargo Area Lighting
    • Rear Wheelhouse Liners
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 Type-C Charge-Only Rear USB Ports
    • 2 USB Ports
    • Color-Keyed Carpeting Floor Covering
    • Floor-Mounted Center Console
    • HD Surround Vision
    • OnStar Services Capable
    • Rear Cross Traffic Braking
    • Rear Pedestrian Detection
    • Trailer Camera Provisions
    • Trailer Side Blind Zone Alert
    • Wi-Fi Hotspot Capable
    • Wireless Apple CarPlay/Wireless Android Auto
    • Wireless Charging
    • Front Bucket Seats
    • Heated 2nd Row Outboard Seats
    • Hitch Guidance
    • Hitch View
    • Integrated Trailer Brake Controller
    • Red Recovery Hooks
    • Wheels: 20" x 9" Machined Aluminum
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers

    Included Packages & Options

    • AT4 Preferred Package$350
      • Universal Home Remote
    Included Options
    • Power Sunroof$995
    • Dual Active Exhaust$395

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • 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
    • Surround View Monitor: HD Surround Vision w/Hitch View yes
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Primary LCD size: 13.4"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Heated rear seats
    • Leather upholstery
    • Max seating capacity: 5
    • 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
    • Ventilated front seats
    • Block heater
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 22mpg
    • Fuel economy combined: 24mpg
    • Fuel economy highway: 26mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable intake manifold
    • Variable valve control
    • Approach angle: 26 deg
    • Departure angle: 26 deg
    • Ground clearance (min): 282mm (11.1")
    • Ramp breakover angle: 20 deg
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Tailpipe finisher: chrome
    • Trailer hitch
    • Trailer sway control
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,990mm (78.3")
    • Exterior length: 5,916mm (232.9")
    • Front headroom: 1,092mm (43.0")
    • Front hiproom: 1,544mm (60.8")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,638mm (64.5")
    • Greenhouse Gas Score (GG): 4
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,505mm (59.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,626mm (64.0")
    • Turning radius: 7.2m (23.7')
    • Wheelbase: 3,747mm (147.5")
    • Appearance: analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • 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
    • Parking sensors: Front and Rear Park Assist front and rear
    • 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
    • Rear collision: Rear Cross Traffic Braking mitigation
    • Security system
    • Traction control

    Standard Features

    • Universal Home Remote
    • Rear Cross Traffic Braking
    • Rear Pedestrian Detection
    • Premium Bose 7-Speaker Sound System
    • Floor-Mounted Center Console
    • Electric Rear-Window Defogger
    • Power Door Locks
    • Push Button Start
    • Remote Vehicle Starter System
    • Color-Keyed Carpeting Floor Covering
    • OnStar Services Capable
    • Wi-Fi Hotspot Capable
    • 120-Volt Interior Power Outlet
    • 2 Type-C Charge-Only Rear USB Ports
    • 2 USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • HD Surround Vision
    • Trailer Side Blind Zone Alert
    • Trailer Camera Provisions
    • Heated 2nd Row Outboard Seats
    • Steering Wheel Audio Controls
    • Wireless Charging
    • Deep-Tinted Glass
    • Black Chrome Grille Insert Bars
    • LED Cargo Area Lighting
    • Perimeter Lighting
    • Red Recovery Hooks
    • Wheels: 20" x 9" Machined Aluminum
    • Rear Wheelhouse Liners
    • Front Rain-Sensing Wipers
    • Trailering Package
    • Hitch View
    • 220 Amp Alternator
    • Heavy-Duty Air Filter
    • Auto-Locking Rear Differential
    • Hill Descent Control
    • Off-Road Suspension
    • Integrated Trailer Brake Controller
    • Driver Memory
    • Premium Bose 7-Speaker Sound System
    • Wireless Apple CarPlay/Wireless Android Auto
    • 120-Volt Bed Mounted Power Outlet
    • Hitch Guidance

    Dealer Notes

    2025 GMC SIERRA 1500 AT4 4WD
    ONYX BLACK 6.2L V8 LANCASTER PA

    V8 POWER. AT4 ATTITUDE. PREMIUM OFF-ROAD LUXURY.

    This 2025 GMC Sierra 1500 AT4 4WD in Onyx Black is built for buyers who want real V8 muscle, factory off-road capability, and upscale comfort in one aggressive full-size truck. Powered by the 6.2L EcoTec3 V8 and paired with a 10-Speed Automatic transmission, this AT4 delivers serious torque, confident towing, and unmistakable presence.

    If youre searching for a 2025 GMC Sierra 1500 AT4 6.2L V8 for sale in Lancaster PA, this is the configuration buyers wait for.

    6.2L V8 PERFORMANCE & 4WD CAPABILITY

    • 6.2L EcoTec3 V8 Engine
    • 10-Speed Automatic Transmission
    • AT4 4WD System with Auto-Locking Rear Differential
    • 3.23 Rear Axle Ratio
    • Integrated Trailer Brake Controller
    • Trailering Package with In-Vehicle Trailering App
    • Hitch Guidance with Hitch View

    Built to tow, haul, and handle rough terrain without hesitation.

    AT4 OFF-ROAD PACKAGE & EXTERIOR FEATURES

    • AT4 Preferred Package
    • Black Chrome Grille Insert Bars
    • Red Front Recovery Hooks
    • Hill Descent Control
    • Heavy-Duty Air Filter
    • Perimeter Lighting
    • Spray-On Bedliner with GMC Logo
    • Rear Wheelhouse Liners
    • 20-Inch Machined Aluminum Wheels

    Aggressive styling backed by real off-road hardware.

    PREMIUM AT4 INTERIOR & COMFORT

    • Jet Black Leather with Kalahari Accents
    • Heated & Ventilated Front Seats
    • Heated Second-Row Outboard Seats
    • Heated Steering Wheel
    • 10-Way Power Driver & Passenger Seats with Memory
    • Power Rake & Telescoping Steering Column
    • Power Sunroof
    • Rear Underseat Storage

    Luxury-level comfort inside a rugged AT4 platform.

    ADVANCED TECHNOLOGY & CONNECTIVITY

    • Navigation System
    • HD Surround Vision
    • Premium Bose 7-Speaker Audio System
    • Wireless Charging
    • Apple CarPlay & Android Auto
    • SiriusXM 360L
    • Power Sliding Rear Window
    • 120V Bed-Mounted and Interior Power Outlets

    Perfect for workdays, road trips, and daily driving.

    SAFETY & DRIVER ASSIST

    • Rear Cross Traffic Braking
    • Rear Pedestrian Detection
    • Trailer Side Blind Zone Alert
    • Ultrasonic Front & Rear Park Assist
    • Theft Deterrent System

    Confidence on the road, on the trail, and at the jobsite.

    WHY THIS SIERRA AT4 STANDS OUT

    • Desirable 6.2L V8 AT4 configuration
    • Factory off-road capability with premium features
    • Ideal for towing, recreation, and daily driving
    • Clean, aggressive Onyx Black appearance
    • Located in Lancaster, Pennsylvania, serving Harrisburg, York, Lebanon, Reading, and Central PA

    AVAILABLE NOW AT MARK MARTIN MOTORS

    LANCASTER, PENNSYLVANIA

    V8 power. AT4 toughness. Premium comfort.
    This 2025 GMC Sierra 1500 AT4 4WD is ready to lead from the front.

    NO HAGGLE PRICING - 106 POINT CERTIFIED INSPECTION FINANCING AVAILABLE NATIONWIDE - WE WELCOME YOUR TRADES NO PRICING GAMES WITH HIDDEN FEES! CALL US FOR YOUR OUT THE DOOR PRICE. Call Us Today @ 717-664-2222! We are located in Lancaster PA near Harrisburg and Philadelphia. Disclaimer: We do our best to make sure this information is accurate; however, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Mark Martin Motors.
    Price
    $57,500
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