2026 GMC Sierra 1500 Denali

  • New
  • Diesel
$74,085MSRP
$71,835Final Price
Highland Buick GMC
Call 855-811-0523
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    The overview

    Exterior Color
    Glacier White Tricoat
    Interior Color
    Atmosphere/Brownstone, Forge perforated leather se
    Body/Seating
    Truck/5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    3.0L Duramax® Turbo Diesel engine
    VIN
    1GTUUGE80TZ384519
    Stock Number
    39420

      The highlights

      • 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
      • 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
      • 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
      • Adaptive suspension
      • Alloy wheels
      • Front anti-roll bar
      • Front tires: 275/60SR20.0
      • Front wheel independent suspension
      • Power steering
      • Rear tires: 275/60SR20.0
      • Speed-sensing steering
      • Tires: all-terrain
      • Wheel size: 20"
      • 1st row LCD monitors: 2
      • AM/FM radio: SiriusXM with 360L
      • Primary LCD size: 13.4"
      • Radio data system
      • Satellite radio trial duration with new vehicle purchase (months): 3
      • 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
      • Basic warranty: 36 months/36,000miles
      • Corrosion perforation warranty: 72 months/100,000miles
      • Diesel engine warranty: 60 months/100,000miles
      • Maintenance warranty: 12 months/ unlimited distance
      • Powertrain warranty: 60 months/60,000miles
      • Roadside assistance coverage: 60 months/60,000miles
      • 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 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
      • Block heater
      • Compressor: intercooled turbo
      • Cylinder configuration: I-6
      • Cylinder deactivation
      • Drive type: four-wheel
      • Electric motor 1 torque: none
      • Electric motor horsepower: none
      • Engine liters: 3.0L
      • Engine location: front
      • Fuel economy city: 22mpg
      • Fuel economy combined: 16mpg
      • Fuel economy highway: 26mpg
      • Fuel tank capacity: 24.0gal.
      • Horsepower: 305hp @ 3,750RPM
      • Hybrid electric powertrain type: none
      • Hybrid system combined power torque: none
      • Hybrid system net power: none
      • Hybrid traction battery type: none
      • Manual-shift auto
      • Mode select transmission
      • Number of valves: 24
      • Rear locking differential
      • Recommended fuel: Diesel
      • Standard fuel economy fuel type: diesel
      • Torque: 495 lb.-ft. @ 2,750RPM
      • Transmission: 10 speed automatic
      • Variable intake manifold
      • 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
      • Compression ratio: 15.00 to 1
      • Curb weight: 2,440kg (5,380lbs)
      • Engine bore x stroke: 84.0mm x 90.0mm (3.31" x 3.54")
      • Engine displacement: 3.0 L
      • Engine torque: 495 lb.-ft. @ 2,750RPM
      • 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")
      • GVWR: 3,266kg (7,200lbs)
      • Greenhouse Gas Score (GG): 3
      • Payload: 812kg (1,790lbs)
      • 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")
      • Towing capacity: 3,946kg (8,700lbs)
      • 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
      • 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
      • Tracker system: Stolen Vehicle Assistance
      • Traction control
      2026 GMC Sierra 1500 Denali 4D Crew Cab 3.0L I6 4WD Glacier White 22/26 City/Highway MPG


      Price advertised is subject to qualifying for all applicable rebates. You pay the price listed plus a $377 documentation fee, applicable tax, title and license less any extra incentives if available and/or applicable. Please call 618-654-2181 for more details! If you're looking for a new car, truck or SUV near St. Louis or Edwardsville, then look no further than Steve Schmitt Inc. At our Highland dealership, we have a large variety of Chevy, Buick, and GMC models, all just ripe for the picking. Steve Schmitt has delivered four generations of Customer Service...right here in Highland! Steve Sr. Plays an active role in the dealership as well as the community, and Steve Jr. Manages the day-to-day operations. At Steve Schmitt Chevy Buick GMC, it is more than a name on a sign...it is our family looking forward to exceeding your family's expectations! This vehicles includes the following features Preferred Equipment Group 5SA (120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 170 Amp Alternator, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, Auto-Locking Rear Differential, Auxiliary External Transmission Oil Cooler, Bed View Camera, Chrome Header with Signature Denali Chrome Grille, Chrome Recovery Hooks, Chrome Wheel to Wheel Assist Steps, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Denali Premium Suspension with Adaptive Ride Control, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch View, in-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open and Start, LED Cargo Area Lighting, OnStar Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows with Express Up/Down, Power Front Windows with Driver Express Up/Down, Power Rake and Telescoping Steering Column, Power Rear Windows with Express Down, Power Sliding Rear Window with Rear Defogger, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Wheelhouse Liners, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Theft Deterrent System (unauthorized Entry), Trailer Camera Provisions, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wheels: 20 x 9 Multi-Dimensional Polished Aluminum, Wi-Fi Hotspot Capable, and Wireless Charging), Trailering Package (Hitch Guidance), 12-Way Power Driver Seat Adjuster with Lumbar, 12-Way Power Passenger Seat Adjuster with Lumbar, 220 Amp Alternator, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Adaptive suspension, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Enhanced Automatic Emergency Braking, Following Distance Indicator, Forge Perforated Leather Seat Trim, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, F $1750 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $2500 - GM Trade In Allowance Program. Exp. 06/30/2026 $500 - Buick GMC Bonus Cash. Exp. 06/30/2026 $500 - GM First Responder Cash Allowance Program. Exp. 01/04/2027 $500 - GM Rewar

      Peace of mind

      Factory warranty

      36 months/36,000miles from the vehicle's original in-service date

      A name you can trust

      Steve Schmitt Auto Group is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
      More about us

      KBB.com Consumer Reviews

      Kelley Blue Book Logo0.0out of 5 overall