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Price: $104,687

New 2026 GMC Sierra 3500 Denali Ultimate Crew Cab

Stock #CS15399
Dealer Video

Vehicle Notes

Experience the pinnacle of heavy-duty luxury and capability with this new 2026 GMC Sierra 3500 HD Denali Ultimate Crew Cab 4WD. With only 49 miles on …
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Experience the pinnacle of heavy-duty luxury and capability with this new 2026 GMC Sierra 3500 HD Denali Ultimate Crew Cab 4WD. With only 49 miles on the odometer, this truck boasts the powerful Duramax 6.6L Turbo-Diesel V8 (470hp/975 lb-ft), Allison 10-speed automatic, and advanced 4X4 system with AutoTrac and Off-Road Suspension (X31 package). Towing is a breeze with the Gooseneck/5th Wheel Prep, ProGrade Trailering System, and Trailer Side Blind Zone Alert.Inside, enjoy massaging and ventilated 16-way power leather seats, heated front and rear seats, a heated steering wheel, and a premium Bose 12-speaker audio system. Stay connected with the 13.4" GMC Premium Infotainment touchscreen, wireless phone projection, and built-in WiFi hotspot. Safety features include HD Surround Vision, Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, and more.Luxury touches like a power sunroof, illuminated power running boards, spray-on bedliner, MultiPro Tailgate, and Vader Chrome Denali Ultimate grille make this truck as refined as it is rugged. Don't miss your chance to own GMC's ultimate heavy-duty pickup—schedule your test drive today! Net Price includes a Factory Rebate available to all, if applicable, on this vehicle and is valid on a cash or financed purchase only by an individual for their personal use. The net price does not apply to a lease. Some Factory Rebates are California Resident specific and may vary for residents of other states. No sales to Dealers, Brokers or Exporters. For out of state purchase, customers must be present to purchase. If shipping is required, dealership must facilitate; no exceptions. Please contact us for special Multi-Vehicle or Fleet pricing. Price includes $85 Doc Fee and $37 electronic registration fee. Price does not include government fees and taxes, any finance charges, and $1.75 per new tire state tire fee. All vehicles are subject to prior sale. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Leasing & financing available on approved credit. Trade-ins accepted. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness. Price shown is valid through the close of business today. Serving Tustin, Santa Ana, Orange, Irvine, Villa Park, Anaheim Hills, Costa Mesa, Walnut, Huntington Beach, Garden Grove, Aliso Viejo, Laguna, Anaheim, Orange County, Lake Forest, Laguna Nigel, Laguna Hills, and Newport Beach.Price includes: $122 - Doc Fee
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Chassis Details

Stock Number
CS15399
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
14,000
Drivetrain
4x4
Cab Type
Crew
Vehicle Trim
Crew Cab, Long Bed, Denali Ultimate Dual Rear Wheel, 4WD
Interior Color
Alpine Umber
Seating Capacity
6
Exterior Color Description
Glacier White Tricoat
Engine Cylinder Count
8
Engine
Duramax 6.6L Biodiesel Turbo V8 470hp 975ft. lbs.
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6

Vehicle Options

  • Block heater: Engine block heater
  • Engine cooler: Engine oil cooler
  • Radiator
  • Engine retarder: Engine retarder system
  • Powertrain type: ICE
  • Selectable mode transmission
  • Transmission oil cooler
  • Drive type: Four-wheel drive
  • Traction control: All-speed ABS and driveline traction control
  • Suspension ride type front: Independent front suspension
  • Suspension type front: Short and long arm front suspension
  • Front anti-roll: Front anti-roll bar
  • Springs front: Front torsion springs
  • Suspension ride type rear: Rigid axle rear suspension
  • Springs rear: Rear leaf springs
  • Rear Springs: Regular grade rear springs
  • Speed sensitive steering: Digital Variable Steering Assist speed sensitive power steering
  • Steering: Hydraulic power-assist steering system
  • Steering type: Re-circulating ball steering
  • Ventilated brakes: Front and rear ventilated disc brakes
  • ABS Brakes: Four channel ABS brakes
  • Electronic parking brake
  • Driver selectable steering effort
  • Suspension type rear: Leaf spring rear suspension
  • Tailpipe: Stainless steel single exhaust
  • Rear locking differential: Automatic rear locking differential
  • Sequential shift control
  • Locking hub control: Auto locking hub control
  • Electronic stability control: Electronic stability control system with anti-roll
  • Brake type: 4-wheel disc brakes
  • ABS Brakes: 4-wheel antilock (ABS) brakes
  • Convex spotter: Driver and passenger convex spotter mirrors
  • Headlight type: Projector beam headlights
  • Headlights: LED low and high beam headlights
  • Auto headlights: Auto on/off headlight control
  • Running lights: LED daytime running lights
  • Multiple headlights: Multiple enclosed headlights
  • Delay off headlights: Delay-off headlights
  • High mount stop light: High mounted center stop light
  • Perimeter approach lighting: Remote activated perimeter approach lighting with puddle lights
  • LED brake lights
  • Front impact airbag driver: Driver front impact airbag
  • Front side impact airbag driver: Seat mounted side impact driver airbag
  • Overhead airbags: Curtain first and second-row overhead airbags
  • Front impact airbag passenger: Passenger front impact airbag
  • Front side impact airbag passenger: Seat mounted side impact front passenger airbag
  • Occupancy sensor: Airbag occupancy sensor
  • Number of airbags: 6 airbags
  • 3-point seatbelt: Rear seat center 3-point seatbelt
  • Seatbelt pretensioners: Front seatbelt pretensioners
  • Illuminated entry
  • Instrumentation display: Digital/analog instrumentation display
  • Configurable instrumentation gauges
  • Low tire pressure warning: Tire specific low air pressure warning
  • Immobilizer
  • Restricted driving mode/alerts: Teen Driver restricted driving mode/alerts
  • Hill start assist: Hill Hold Assist
  • Seatbelt pretensioners number: 2 seatbelt pre-tensioners
  • Child door locks: Manual rear child safety door locks
  • Turn signal in door mirrors: Turn signal indicator in door mirrors
  • Fog lights: LED front fog lights
  • Gauge cluster display size (inches): Gauge cluster display size: 12.30
  • Remote panic alarm
  • Cab mounted cargo light
  • Running boards: Illuminated power running boards
  • Body panels: Galvanized steel/aluminum body panels with side impact beams
  • Number of doors: 4 doors
  • Bed-rail protectors: Pickup bed-rail protectors
  • Bumpers front: Body-colored front bumper
  • Tow hooks front: 2 front tow hooks
  • Bumpers rear: Body-colored rear bumper
  • Fenders: Black fender flares
  • Window Trim: Stainless steel side window trim
  • Door handle material: Chrome door handles
  • Paint: Tri-coat paint
  • Special paint: Monotone paint
  • Wheel covers: Wheel hub covers
  • Spare tire: Full-size spare tire with steel wheel
  • Spare tire location: Crank-down spare tire
  • Door mirror type: Power extendable trailer mirrors
  • Exterior mirror spot lights: Exterior mirror LED spot lights
  • Towing class: Class IV tow rating
  • Towing hitch: Trailer hitch
  • Towing brake controller: Trailer brake controller
  • Towing trailer sway: Trailer sway control
  • Wheels: 20 x 8.5-inch front and rear machined w/painted accents aluminum wheels
  • Tires: LT275/65SR20 AT BSW front and rear tires
  • Rear bumper step
  • Door mirror style: Chrome door mirrors
  • Bumper insert: Dark chrome front bumper insert
  • Bumper rub strip front: Chrome front bumper rub strip
  • Passenger doors rear left: Conventional left rear passenger door
  • Door mirrors: Power door mirrors
  • Rear cargo door: MultiPro Tailgate tailgate
  • Heated door mirrors: Heated driver and passenger side door mirrors
  • Passenger doors rear right: Conventional right rear passenger door
  • Visor driver mirror: Driver visor mirror
  • Visor illuminated driver mirror: Illuminated driver visor mirror
  • Visor passenger mirror: Passenger visor mirror
  • Visor illuminated passenger mirror: Illuminated passenger visor mirror
  • Rear seat direction: Front facing rear seat
  • Overhead console: Mini overhead console
  • Glove box: Locking glove box
  • Number of beverage holders: 8 beverage holders
  • Seatback storage pockets: 2 seatback storage pockets
  • Door bins front: Driver and passenger door bins
  • Door bins rear: Rear door bins
  • Under seat tray rear: Rear under seat tray
  • Cruise control: Cruise control with steering wheel mounted controls
  • Adaptive cruise control
  • Driver foot rest
  • Tire pressure: Tire pressure fill assist
  • Door locks: Power door locks with 2 stage unlocking
  • Keyfob keyless entry
  • Auto door locks: Auto-locking doors
  • Auto-dimming door mirror driver: Auto-dimming driver side mirror
  • Tailgate control: Tailgate/power door lock
  • Keyfob cargo controls: Keyfob trunk control
  • Keyfob window controls: Keyfob window control
  • Tachometer
  • Oil pressure gauge
  • Engine/electric motor temperature gauge
  • Voltmeter
  • Transmission temperature gauge: Transmission fluid temperature gauge
  • Engine hour meter
  • DEF fluid gauge: Diesel exhaust fluid (def) gauge
  • Clock: Digital clock
  • Compass
  • Temperature display: Exterior temperature display
  • Speedometer: Redundant digital speedometer
  • Folding door mirrors: Power folding door mirrors
  • Engine temperature warning
  • Battery charge warning
  • Low level warnings: Low level warning for oil
  • coolant
  • fuel
  • washer fluid
  • brake fluid and diesel exhaust fluid (DEF)
  • Key in vehicle warning
  • Door ajar warning
  • Service interval warning: Service interval indicator
  • Turn signal warning: Turn signal on warning
  • Oil pressure warning
  • Transmission fluid temperature warning: Transmission fluid temp warning
  • Brake pad warning: Brake pad wear indicator
  • Rear seat check warning
  • Trip computer
  • Second-row windows: Power second-row windows
  • Wipers: Variable intermittent front windshield wipers
  • Easy lift tailgate: EZ Lift
  • Easy lower tailgate: EZ Lower
  • Beverage holders rear: Rear beverage holders
  • Auto-dimming door mirror passenger: Auto-dimming passenger side mirror
  • Driver information center
  • Front reading lights
  • Rear reading lights
  • Variable panel light: Variable instrument panel light
  • Headlights on reminder
  • Trip odometer
  • Integrated tailgate step
  • Full gauge cluster screen
  • Seating capacity: 5
  • Driver lumbar: Driver seat with 4-way power lumbar
  • Front passenger lumbar: Front passenger seat with 4-way power lumbar
  • Front head restraints: Height adjustable front seat head restraints
  • Front head restraint control: Manual front seat head restraint control
  • Rear seats fixed or removable: Fixed rear seats
  • Rear seats: Split-bench rear seat
  • Rear seat folding position: Fold-up rear seat cushion
  • Folding rear seats: 60-40 folding rear seats
  • Rear head restraints: Height adjustable rear seat head restraints
  • Rear head restraint control: Manual rear seat head restraint control
  • Rear head restraint control: 2 rear seat head restraints
  • Front seat upholstery: Leather front seat upholstery
  • Front seatback upholstery: Plastic front seatback upholstery
  • Door trim insert: Leather door trim insert
  • Headliner material: Simulated suede headliner material
  • Headliner coverage: Full headliner coverage
  • Floor covering: Full carpet floor covering
  • Floor mats: Carpet front and rear floor mats
  • Panel insert: Aluminum and genuine wood instrument panel insert
  • Gearshifter material: Urethane gear shifter material
  • Door panel insert: Aluminum and genuine wood door panel insert
  • Console insert material: Aluminum console insert
  • Interior accents: Chrome interior accents
  • Rear seat upholstery: Leather rear seat upholstery
  • Rear seatback upholstery: Carpet rear seatback upholstery
  • Number of memory settings: 2 memory settings
  • Climate control: Automatic climate control
  • Air conditioning: Yes
  • Dual-zone front climate control
  • Rear under seat ducts: Rear under seat climate control ducts
  • Steering wheel material: Leather steering wheel
  • Heated steering wheel
  • Armrests rear: Rear seat center armrest
  • Floor coverage: Full floor coverage
  • Cabback insulator
  • Seek scan
  • Aux input jack: Auxiliary input jack
  • External memory: Premium GMC Infotainment System external memory control
  • Internet radio capability
  • Antenna: Fixed audio antenna
  • Number of first-row screens: 2 total number of 1st row displays
  • Wireless speaker number: 2 wireless speakers
  • Speakers number: 12 speakers
  • Exterior speakers: 2 exterior speakers
  • Turn-by-turn nav: OnStar Turn-by-Turn Navigation
  • Emergency SOS Capable: OnStar Services capable vehicle integrated emergency SOS system
  • Internet access: Mobile hotspot internet access
  • Mobile app access: MyGMC Mobile App mobile app access
  • Basic warranty: 36 month/36
  • 000 miles
  • Powertrain warranty: 60 month/60
  • 000 miles
  • Corrosion perforation warranty: 72 month/100
  • 000 miles
  • Roadside warranty: 60 month/60
  • 000 miles
  • Maintenance warranty: 12 month/12
  • 000 miles
  • TECHNOLOGY PACKAGE - Includes Multicolor 15" Diagonal Head-Up Display
  • REAR CAMERA MIRROR
  • Rearview mirror: Auto-dimming rear view mirror
  • Video rearview mirror: Video-feed rearview mirror
  • Rear camera: Rear mounted camera
  • Day/Night rearview mirror
  • DENALI ULTIMATE EQUIPMENT GROUP - Includes LED Cargo Area Lighting
  • Trailer Side Blind Zone Alert
  • SiriusXM with 360L Trial Subscription
  • Satellite trial: 3 month satellite trial subscription
  • Radio: AM/FM/SiriusXM with 360Lsatellite
  • Remote Vehicle Starter System
  • Keyfob remote start
  • Smart device remote start
  • Power Sliding Rear Window with Defogger
  • Rear window defroster
  • Rear windshield: Power rear windshield
  • Safety Alert Seat
  • Ultrasonic Front and Rear Park Assist
  • Trailer Camera Provisions
  • Electric Rear-Window Defogger
  • Floor-Mounted Center Console
  • Beverage holders: Front beverage holders
  • Floor console: Full floor console
  • Floor console storage: Covered floor console storage
  • Rear console climate control ducts
  • Armrests front center: Front seat center armrest
  • Unauthorized Entry Theft-Deterrent System
  • Bed View Camera with Two Trailer Camera Provisions
  • WIPERS
  • FRONT RAIN-SENSING
  • Trailer Tire Pressure Monitor Sensors
  • Sierra HD Pro Safety
  • Forward Collision Alert
  • FOLLOWING DISTANCE INDICATOR
  • Front Pedestrian Braking
  • Pedestrian detection: Pedestrian impact prevention
  • Buckle to Drive
  • Automatic Emergency Braking
  • Brake assist system: Automatic Emergency Braking brake assist system
  • IntelliBeam Automatic High Beam On/off
  • Lane Departure Warning
  • WIRELESS PHONE PROJECTION
  • USB PORTS
  • REAR CROSS TRAFFIC ALERT
  • 120 VOLT POWER OUTLET
  • Interior 120V AC power outlets: 1 interior 120V AC power outlet
  • Onboard power supply (kW): 0.400 kW
  • 2 Charge/data USB Ports Inside Center Console
  • LED ROOF MARKER LAMPS
  • SEATING
  • HEATED DRIVER AND FRONT OUTBOARD PASSENGER
  • Wireless Charging
  • X31 Off-Road Package
  • Off-Road Suspension
  • Suspension: Off-road ride suspension
  • Inclinometer
  • Hill Descent Control
  • Skid Plates
  • Steering Wheel Audio Controls
  • 2 Charge-Only Rear USB Ports
  • UNIVERSAL HOME REMOTE
  • 120-VOLT BED-MOUNTED POWER OUTLET
  • Exterior 120V AC power outlet: 1 exterior 120V AC power outlet
  • SEATS
  • HEATED SECOND ROW OUTBOARD SEATS
  • WINDOWS
  • POWER FRONT
  • PASSENGER EXPRESS UP/DOWN
  • First-row windows: Power first-row windows
  • One-touch down window: Front and rear one-touch down windows
  • One-touch up window: Driver and passenger one-touch up windows
  • 2-Speed Active Transfer Case
  • 4WD type: AutoTrac part and full-time 4WD
  • Transfer case: Electronic transfer case shift
  • Two-Speed Transfer Case
  • Deep-Tinted Glass
  • Spray-On Pickup Bedliner with GMC Logo
  • HD Surround Vision
  • Front camera: Front mounted camera with washer
  • Right camera: Right side camera
  • Left camera: Left side camera
  • Camera: Aerial view camera
  • Ventilated Driver and Front Passenger Seats
  • Manual Tilt-Wheel/telescoping Steering Column
  • Steering wheel tilt: Manual tilting steering wheel
  • Steering wheel telescopic: Manual telescopic steering wheel
  • Power Sunroof
  • Keyless Open and Start
  • All-in-one key: All-in-one remote fob and ignition key
  • Proximity key: Keyless Open/Keyless Start with hands-free access and push button start
  • Ignition type: Push-button
  • ProGrade Trailering System
  • IN-VEHICLE TRAILERING APP
  • Vehicle and trailer reverse assist: Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
  • Trailer light test: GMC ProGrade Trailering System trailer light test
  • Trailer light malfunction warning: GMC ProGrade Trailering System trailer light malfunction warning
  • Trailer theft alarm: GMC ProGrade Trailering System trailer theft alarm
  • Weight capacity alert
  • Hitch Guidance with Hitch View
  • Towing hitch light: Trailer hitch light
  • Vehicle to trailer hitching assist: Hitch Guidance with Hitch View vehicle to trailer hitching assist
  • BOSE 12 SPEAKER PREMIUM SOUND SYSTEM
  • Amplifier
  • Digital signal processor
  • Noise cancellation: Active noise cancellation
  • Signature Denali Ultimate Grille in Vader Chrome
  • Push Button Start
  • Rear Wheelhouse Liners
  • 16-Way Power Driver Seat Adjuster with Lumbar - Includes Driver seat direction: Driver seat with 12-way directional controls
  • Power driver seat controls: Driver seat power reclining
  • lumbar support
  • seatback side bolster support
  • cushion tilt
  • fore/aft control and height adjustable control
  • Massaging driver seat
  • FRONT BUCKET SEATS CONSOLE - Includes 16-Way Power Passenger Seat Adjuster with Lumbar
  • Passenger seat direction: Front passenger seat with 12-way directional controls
  • Power passenger seat controls: Passenger seat power reclining
  • lumbar support
  • seatback side bolster support
  • cushion tilt
  • fore/aft control and height adjustable control
  • Massaging front passenger seat
  • Driver Memory
  • PICKUP BED - Includes Box style: Standard style pickup box
  • Boxside steps: BedStep integrated side steps
  • Front License Plate Kit
  • 3.42 Rear Axle Ratio
  • AM/FM Stereo with Premium GMC Infotainment System - Includes "GMC PREMIUM INFORMATION DISPLAY 13.4" DIAGONAL MULTICOLOR TOUCH SCREEN"
  • Primary display size: 13.4 inch primary display
  • Primary display touchscreen: Primary monitor touchscreen
  • Voice activated audio: Premium GMC Infotainment System voice activated audio controls
  • Wireless streaming: Wireless audio streaming
  • Handsfree: Handsfree wireless device connectivity
  • Built-in virtual assistant
  • Dual 220-Amps Primary and 170-Amps Auxiliary Alternators - Includes Alternator Type: Dual alternator
  • Duramax 6.6L Turbo-Diesel V8 Engine - Includes 12
  • 250 lbs (5
  • 557 Kgs) GVWR
  • Dual Heavy-Duty 70 Amp-Hour Battery
  • Battery type: Dual lead acid batteries
  • Battery run down protection
  • Accessory power: Retained accessory power
  • Engine Location: Front mounted engine
  • Fuel Type: Diesel
  • Ignition: Compression ignition system
  • Engine Mounting direction: Longitudinal mounted engine
  • Engine block material: Iron engine block
  • Cylinder head material: Aluminum cylinder head
  • Engine: Duramax 6.6L V-8 direct injection
  • intercooled turbo
  • diesel
  • engine with 470HP
  • Engine Short: Duramax 6.6L V-8
  • Engine Configuration: Duramax V8
  • Compressor: Intercooled turbo
  • High Idle Switch
  • TRANS:ALLISON 10-SPEED AUTO - Includes Transmission: Allison 10-speed automatic
  • Overdrive transmission
  • Lock-up transmission
  • Transmission Type: Automatic
  • Deleted Mobile Service Plus
  • California State Emissions Requirements
  • Gooseneck/5th Wheel Prep Package - Includes Towing wiring harness: Trailer wiring harness
  • Towing prep: 5th wheel and gooseneck prep
  • View All

Body Details

Body Type
Pickup
Call For Pricing

Pricing Details

MSRP $106,565
Dealer Adjustment + $122
Documentation Fee + $85
Electronic Filing Fee + $37
Total Price $106,809
Rebates - $2,000
Dealer Discount - $122
Price $104,687
Total Savings $2,122
Additional Upfit Cost
Price includes all dealer fees. Excludes taxes, title, registration, and license fees.

Vehicle available NOW in Tustin, CA.

Contact Tustin Buick GMC for more info.

Disclaimer:
*Net Price includes a Factory Rebate available to all, if applicable, on this vehicle and is valid on a cash or financed purchase only by an individual for their personal use. The net price does not apply to a lease. Some Factory Rebates are California Resident specific and may vary for residents of other states. We Only Provide 4 Gallons of Gas at Purchase. No sales to Dealers, Brokers or Exporters. For out of state purchase, customers must be present to purchase. If shipping is required, dealership must facilitate; no exceptions. Please contact us for special Multi-Vehicle or Fleet pricing. Price includes $85 Doc Fee, $37 electronic registration fee, and any emission testing charge. Price does not include government fees and taxes, any finance charges, and $1.75 per new tire state tire fee. All vehicles are subject to prior sale. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Leasing & financing available on approved credit. Trade-ins accepted. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness. *EPA-estimate metric: these are contingent on ideal conditions within a lab. Real-world situations such as carrying passengers or cargo, using climate control, driving style, and ambient temperatures can affect actual metrics.