2025 GMC Sierra 1500 Denali Ultimate

  • Used
$66,900Price
Mark Martin Motors
Call 888-726-1782
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    Alpine Umber
    Odometer
    16,110 miles
    Body/Seating
    Truck/5 seats
    Seats
    5 seats
    Fuel Economy
    15/19 MPG City/Hwy
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    EcoTec3 6.2L V8
    VIN
    1GTUUHEL5SZ287759
    Stock Number
    12646FM
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    The highlights

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Power moonroof
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear

    Notes from the dealer

    2025 GMC SIERRA 1500 DENALI ULTIMATE 4WD 6.2L V8 SUPER CRUISE MASSAGE SEATS ONYX BLACK LANCASTER PA

    This 2025 GMC Sierra 1500 Denali Ultimate 4WD is powered by the legendary 6.2L EcoTec3 V8 paired with a 10-speed automatic transmission, delivering exceptional performance, refined power, and impressive towing capability. Finished in Onyx Black, this Sierra is loaded with Super Cruise, massage front seats, a power sunroof, and GMC's flagship Denali Ultimate trim.

    The Denali Ultimate sits at the top of the Sierra lineup, offering luxury that rivals many high-end SUVs while maintaining the capability of a full-size pickup. One of its standout features is Super Cruise, GM's hands-free driving system that allows for hands-free travel on thousands of miles of compatible highways, making long road trips noticeably more comfortable.

    Inside, you'll find full-grain Alpine Umber leather, heated and ventilated front seats with massage functionality, heated rear outboard seats, a Bose Premium 12-speaker sound system, a 15-inch Head-Up Display, HD Surround Vision, wireless charging, navigation, and a power-sliding rear window. Adaptive Ride Control helps deliver a smooth, composed ride whether you're commuting, towing, or heading out for the weekend.

    With its premium interior, legendary 6.2L V8, and advanced technology, this Sierra Denali Ultimate offers an outstanding combination of luxury, capability, and everyday usability that's difficult to match in the half-ton truck segment.

    See this Sierra today at Mark Martin Motors in Ephrata, proudly serving Lancaster, Lititz, Lebanon, and York. Call or message us today to check availability or schedule your test drive.

    A closer look at what’s included

    • Preferred Equipment Group 5SB
      • Rear Cross Traffic Braking
      • Rear Pedestrian Detection
      • Floor-Mounted Center Console
      • Multicolor 15" Diagonal Head-Up Display
      • 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
      • Bed View Camera
      • Heated 2nd Row Outboard Seats
      • Steering Wheel Audio Controls
      • Power Sunroof
      • Universal Home Remote
      • Wireless Charging
      • Deep-Tinted Glass
      • LED Cargo Area Lighting
      • Perimeter Lighting
      • Chrome Recovery Hooks
      • Rear Wheelhouse Liners
      • Front Rain-Sensing Wipers
      • Trailering Package
      • Hitch View
      • Trailer Tire Pressure Monitor System
      • Heavy-Duty Air Filter
      • Auto-Locking Rear Differential
      • Hill Descent Control
      • Integrated Trailer Brake Controller
    • 120-Volt Interior Power Outlet
      • 120-Volt Bed Mounted Power Outlet
    • Front Bucket Seats
      • Driver Memory
    • Trailering Package
      • Hitch Guidance
    • Radio: Premium GMC Infotainment Audio System
      • Wireless Apple CarPlay/Wireless Android Auto
    Included Options
    • Navigation System
    • 12 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Bose Premium Series w/12-Speaker System
    • MultiPro Tailgate Audio System by Kicker (LPO)
    • Radio data system
    • SiriusXM w/360L Trial Subscription
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Heads-Up Display
    • 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
    • Adaptive suspension
    • 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
    • Enhanced Automatic Emergency Braking
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open & Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power moonroof
    • 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
    • Super Cruise
    • 170 Amp Alternator
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Denali Premium Suspension w/Adaptive Ride Control
    • Dual Active Exhaust
    • Heated door mirrors
    • High Gloss Black Header w/Signature Denali Grille
    • 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
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • Garage door transmitter
    • Genuine wood console insert
    • Genuine wood dashboard insert
    • Genuine wood door panel insert
    • Heated steering wheel
    • Illuminated entry
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear reading lights
    • Rear seat center armrest
    • Safety Alert Seat
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trip computer
    • Ultrasonic Front & Rear Park Assist
    • Voltmeter
    • 16-Way Power Driver Seat Adjuster w/Lumbar
    • 16-Way Power Passenger Seat Adjuster w/Lumbar
    • Front Center Armrest
    • Full Grain Leather Seat Trim
    • Heated Driver & Front Outboard Passenger Seating
    • Heated front seats
    • Heated rear seats
    • Power passenger seat
    • Split folding rear seat
    • Ventilated Driver & Front Passenger Seats
    • Ventilated front seats
    • Passenger door bin
    • In-Vehicle Trailering System App
    • Alloy wheels
    • Wheel Locks (Set of 4) (LPO)
    • Wheels: 22" 7-Spoke Ultra-Bright Machined
    • Power Sliding Rear Window w/Rear Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.23 Rear Axle Ratio
    • SUNROOF! SUPER CRUISE! 6.2 V8! MASSAGE SEATS!
    • Should you buy a ZR2 or a AT4X?


      Watch
    • 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
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Moonroof sunshade: manual
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power moonroof
    • 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
    • Adaptive suspension
    • Alloy wheels
    • Front anti-roll bar
    • Front tires: 275/50SR22.0
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/50SR22.0
    • Speed-sensing steering
    • Wheel size: 22"
    • 1st row LCD monitors: 2
    • Primary LCD size: 13.4"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 12
    • 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
    • Genuine wood console insert
    • Genuine wood dashboard insert
    • Genuine wood door panel insert
    • Heated front seats
    • Heated rear seats
    • Leather steering wheel
    • Leather upholstery
    • Max seating capacity: 5
    • Power 4-way driver lumbar support
    • Power 4-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
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 15mpg
    • Fuel economy combined: 16mpg
    • Fuel economy highway: 19mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable valve control
    • Approach angle: 19 deg
    • Departure angle: 24 deg
    • Ground clearance (min): 206mm (8.1")
    • Ramp breakover angle: 18 deg
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • 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
    • Tailpipe finisher: chrome
    • 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: 1,544mm (60.8")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,638mm (64.5")
    • Greenhouse Gas Score (GG): 3
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,505mm (59.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,656mm (65.2")
    • Turning radius: 7.1m (23.5')
    • Wheelbase: 3,744mm (147.4")
    • Appearance: analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • 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
    • Heads up display
    • 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

    Peace of mind

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    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
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