2026 GMC Sierra 1500 Denali

  • New
  • Diesel
$82,870MSRP
$71,988Regal Price
View price details
Finance Terms
Regal Automotive Group
Call 863-225-9790
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    The overview

    Exterior Color
    Glacier White Tricoat
    Interior Color
    Jet Black
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    I-6 cyl
    VIN
    3GTUUGE86TG368230
    Stock Number
    26T308

      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

      A closer look at what’s included

      • 22" High Gloss Black Multi-Spoke Wheels
        • Wheels: 22" Transit Steel
      • Technology Package
        • Rear Camera Mirror
        • Multicolor 15" Diagonal Head-Up Display
      • Engine: Duramax 3.0L Turbo-Diesel I6
        • 220 Amp Alternator
        • Engine Block Heater
        • 850 Heavy-Duty Battery
        • Delete External Engine Oil Cooler
        • GVWR: 7,200 lbs
      • Preferred Equipment Group 5SA
        • GMC Pro Safety
        • Rear Cross Traffic Braking
        • Rear Pedestrian Detection
        • Premium Bose 7-Speaker Sound System
        • SiriusXM with 360L Trial Subscription
        • Floor-Mounted Center Console
        • 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
        • Theft Deterrent System
        • 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
        • Chrome Wheel to Wheel Assist Steps
        • Deep-Tinted Glass
        • Chrome Header with Signature Denali Chrome Grille
        • LED Cargo Area Lighting
        • Perimeter Lighting
        • Ultrasonic Front and Rear Park Assist
        • Chrome Recovery Hooks
        • Wheels: 20" x 9" Multi-Dimensional Polished Aluminum
        • Rear Wheelhouse Liners
        • Front Rain-Sensing Wipers
        • Trailering Package
        • Hitch View
        • in-Vehicle Trailering System App
        • 170 Amp Alternator
        • Heavy-Duty Air Filter
        • Auxiliary External Transmission Oil Cooler
        • Auto-Locking Rear Differential
        • Engine: 5.3L EcoTec3 V8
        • Hill Descent Control
        • Denali Premium Suspension with Adaptive Ride Control
        • Integrated Trailer Brake Controller
        • 2-Speed Transfer Case
      • Front Bucket Seats
        • 12-Way Power Driver Seat Adjuster with Lumbar
        • 12-Way Power Passenger Seat Adjuster with Lumbar
        • Driver Memory
      • GMC Pro Safety
        • Forward Collision Alert
        • Following Distance Indicator
        • Front Pedestrian Braking
        • IntelliBeam Automatic High Beam on/Off
        • Lane Keep Assist with Lane Departure Warning
        • Enhanced Automatic Emergency Braking
        • Buckle to Drive
        • Safety Alert Seat
      • Radio: Premium GMC Infotainment Audio System
        • Premium Bose 7-Speaker Sound System
        • Wireless Apple CarPlay/Wireless Android Auto
      • 120-Volt Interior Power Outlet
        • 120-Volt Bed Mounted Power Outlet
      • Trailering Package
        • Hitch Guidance
      Included Options
      • Console-Mounted Safe
      • 3.23 Rear Axle Ratio
      • Hard Folding Truck Bed Cover
      • Power Sunroof
      • Transmission: 10-Speed Automatic
      • GMC MultiPro Power Steps
      • Rear Underseat Storage
      • Tires: 275/50R22SL AS BW
      • 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
      • Tires: all-terrain
      • Wheel size: 22"
      • 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
      • Tonneau cover
      • 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: 1,013mm (39.9")
      • 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
      • 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
      • Tracker system: Stolen Vehicle Assistance
      • Traction control
      Drivers in Lakeland, Polk County, and across Central Florida choose the Regal Automotive Group for a wide selection of new vehicles and a dealership experience built around convenience and transparency. With multiple locations in Lakeland, Regal makes it easy to find the right vehicle to fit your lifestyle.

      - GMC MultiPro Power Steps with rearward articulating bed access
      - Power sunroof
      - 3.0L I-6 Diesel Turbocharged Duramax engine with 305 hp and 495 lb-ft of torque
      - 10-speed automatic transmission with 4WD
      - Technology Package with rear camera mirror and 15" multicolor head-up display
      - Premium Bose 7-speaker sound system with SiriusXM and 360L
      - Wireless Apple CarPlay and Android Auto
      - 12-way power driver and passenger seats with lumbar support
      - Heated and ventilated front seats
      - Denali Premium Suspension with adaptive ride control
      - HD Surround Vision with front and rear ultrasonic park assist
      - Lane Keep Assist with lane departure warning
      - Enhanced automatic emergency braking
      - Hard folding truck bed cover
      - 22" high gloss black multi-spoke wheels

      The 2026 GMC Sierra 1500 Denali represents a refined approach to full-size truck ownership. Built with a proven 3.0L I-6 diesel engine, this truck delivers substantial torque at 495 lb-ft, making it capable for both work and daily driving. The 10-speed automatic transmission works seamlessly with the 4WD system to provide confident handling across Central Florida's varied terrain.

      What sets this Sierra apart is its focus on driver convenience and premium comfort. The multicolor head-up display keeps critical information at your line of sight, while the rear camera mirror provides clear visibility when backing up. The cabin features genuine wood trim accents paired with perforated leather seating, creating an interior that feels intentional and well-appointed. Heated and ventilated front seats ensure comfort whether you're navigating a cool morning or an afternoon in Florida's heat.

      The exterior design carries GMC's signature styling with a chrome Denali grille and assist steps finished in chrome. The MultiPro power steps articulate rearward to provide easier access to the truck bed, a practical feature that sets Denali trucks apart from standard models. The truck rides on 22" high gloss black wheels that enhance its premium presentation.

      Safety and technology are integrated thoughtfully throughout the vehicle. The surrounding vision system with multiple cameras gives you confidence when maneuvering in tight spaces. Forward collision alert, front pedestrian braking, and rear cross traffic braking work to keep you aware of potential hazards. Lane keep assist with lane departure warning supports your driving on longer routes, while the integrated trailer brake controller and in-vehicle trailering system app make towing manageable.

      The fuel efficiency of 22 city and 26 highway MPG aligns well with what you'd expect from a diesel truck of this caliber. The console-mounted safe provides secure storage for valuables, and the hard folding bed cover protects cargo while maintaining the truck's clean lines.

      For nearly 50 years, the Regal Automotive Group has proudly served Lakeland and Polk County drivers. With a large inventory of quality vehicles, competitive pricing, and aggressive financing options, our team is committed to delivering a straightforward buying experience and excellent customer service. Price includes: $1750 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026 $2500 - GM Trade In Allowance Program. Exp. 08/03/2026 $500 - Buick GMC Bonus Cash. Exp. 08/03/2026 $500 - GM First Responder Cash Allowance Program. Exp. 01/04/2027 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 09/30/2026

      Track your progress

       
       
       
       

      Peace of mind

      Factory warranty

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

      Optional add-on protection

      • GAP Protection
      • Lifetime Powertrain
      • Tires and Wheels
      • Paint Protection

      A name you can trust

      Regal Automotive 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
        Price is plus tax, tag, title. A dealer fee of $989 and an Electronic Registration Filing Fee of $249 are included in the price, which charges represent costs and profits to the dealer for items such as inspecting, cleaning, and adjusting vehicles and preparing documents related to the sale. All advertised pricing is on in-stock units only and is inclusive of all applicable manufacturer offers and may not be combined with other exclusive offers. All payment quotes received assumes that taxes and fees will be paid at the time of sale by the customer in addition to the down payment amount stated or shown. Certain offers presume financing through the Manufacturer Captive Lender, subject to approved credit. Should you purchase the vehicle through the use of other funds, or through other lending sources, certain offers may be excluded. See dealer for complete details.