2026 GMC Sierra 1500 Denali Ultimate

  • Used
$73,500Price
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Mark Martin Motors
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    The overview

    Exterior Color
    Sterling Metallic
    Interior Color
    Alpine Umber
    Odometer
    4,602 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
    1GTUUHEL2TZ121815
    Stock Number
    12734FM
    • Show Me the CARFAX Fair Value Badge

    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

    2026 GMC SIERRA 1500 DENALI ULTIMATE 4WD 6.2L ECOTEC3 V8 ADAPTIVE RIDE CONTROL STERLING METALLIC LANCASTER PA

    This 2026 GMC Sierra 1500 Denali Ultimate 4WD is powered by the legendary EcoTec3 6.2L V8 paired with a 10-speed automatic transmission, delivering exceptional horsepower, effortless towing capability, and the refined driving experience expected from GMC's flagship pickup. Finished in Sterling Metallic, this Sierra features the luxurious Denali Ultimate trim with a Power Sunroof, premium full-grain leather interior, and the most advanced technology GMC offers.

    The 6.2L EcoTec3 V8 is GMC's premier gasoline engine, providing instant throttle response, smooth V8 performance, and outstanding capability for towing campers, boats, and trailers. Paired with an integrated trailer brake controller, Trailer Camera Provisions, Trailer Tire Pressure Monitoring, Hitch View, Hitch Guidance, and the In-Vehicle Trailering System App, this Sierra is built to inspire confidence every time you tow.

    Inside, the Denali Ultimate raises the standard for luxury trucks with Alpine Umber full-grain leather seating, heated and ventilated front seats, heated rear outboard seats, a power sunroof, wireless charging, and a premium 12-speaker Bose Premium Series sound system. The 15-inch multicolor Head-Up Display, HD Surround Vision, and advanced driver-assistance technologies provide a modern driving experience that rivals many luxury SUVs.

    The Denali Premium Suspension with Adaptive Ride Control continuously adjusts to changing road conditions, delivering exceptional ride quality whether you're cruising on the highway or towing a heavy load. Premium touches such as the signature Denali grille, body-color wheel arch moldings, chrome recovery hooks, rain-sensing wipers, and the exclusive MultiPro Tailgate Audio System by Kicker further distinguish the Denali Ultimate from every other Sierra.

    Finished in Sterling Metallic, this truck combines elegant styling with premium craftsmanship, making it equally at home on the jobsite, at the lake, or pulling up to a formal event.

    With its powerful 6.2L V8, world-class luxury, advanced towing technology, and exclusive Denali Ultimate features, this 2026 GMC Sierra 1500 Denali Ultimate represents the very best GMC has to offer.

    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
      • Bose Premium Series with 12- Speaker System
      • SiriusXM with 360L Trial Subscription
      • Floor-Mounted Center Console
      • Multicolor 15" Diagonal Head-Up Display
      • Electric Rear-Window Defogger
      • Power Door Locks
      • Push Button Start
      • Remote Vehicle Starter System
      • Keyless Open and Start
      • 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 Driver and Front Outboard Passenger Seating
      • Ventilated Driver and Front Passenger Seats
      • Heated 2nd Row Outboard Seats
      • Steering Wheel Audio Controls
      • Power Rake and Telescoping Steering Column
      • Power Sunroof
      • Universal Home Remote
      • Power Sliding Rear Window with Rear Defogger
      • Power Front Windows with Driver Express Up/Down
      • Power Front Passenger Windows with Express Up/Down
      • Power Rear Windows with Express Down
      • Wireless Charging
      • Spray-on Pickup Bedliner with GMC Logo
      • Deep-Tinted Glass
      • High Gloss Black Header with Signature Denali Grille
      • LED Cargo Area Lighting
      • Perimeter Lighting
      • MultiPro Tailgate Audio System by Kicker
      • Ultrasonic Front and Rear Park Assist
      • Chrome Recovery Hooks
      • Rear Wheelhouse Liners
      • Front Rain-Sensing Wipers
      • Trailering Package
      • Hitch View
      • in-Vehicle Trailering System App
      • Trailer Tire Pressure Monitor System
      • Heavy-Duty Air Filter
      • Auto-Locking Rear Differential
      • Hill Descent Control
      • Denali Premium Suspension with Adaptive Ride Control
      • Integrated Trailer Brake Controller
    • Front Bucket Seats
      • 16-Way Power Driver Seat Adjuster with Lumbar
      • 16-Way Power Passenger Seat Adjuster with Lumbar
      • Driver Memory
    • Radio: Premium GMC Infotainment Audio System
      • Bose Premium Series with 12- Speaker System
      • Wireless Apple CarPlay/Wireless Android Auto
    • 120-Volt Interior Power Outlet
      • 120-Volt Bed Mounted Power Outlet
    • Wheels: 22" 7-Spoke Ultra Bright Machined
    • Trailering Package
      • Hitch Guidance
    Included Options
    • Navigation System
    • 12 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Radio data system
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Heads-Up Display
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Remote keyless entry
    • Steering wheel mounted audio controls
    • Adaptive suspension
    • 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
    • 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
    • Body Color Wheel Arch Moldings
    • Bumpers: body-color
    • Dual Active Exhaust
    • Heated door mirrors
    • IntelliBeam Automatic High Beam on/Off
    • Power door mirrors
    • Rear step bumper
    • 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
    • Leather steering wheel
    • 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
    • Voltmeter
    • Front Center Armrest
    • Full Grain Leather Seat Trim
    • Heated front seats
    • Heated rear seats
    • Power passenger seat
    • Split folding rear seat
    • Ventilated front seats
    • Passenger door bin
    • Alloy wheels
    • Wheel Locks (set of 4)
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.23 Rear Axle Ratio
    • ULTIMATE! SUNROOF! 6.2 V8!

    • 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: digital/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

    vehicle history report

    Vehicle history report

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

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