New 2026 GMCSierra Denali Ultimate

Tires For Life
    Exterior Color
    Glacier White Tricoat
    Interior Color
    Alpine Umber
    Body/Seating
    Crew Cab/5 seats
    Transmission
    10-speed automatic
    Drivetrain
    4WD
    Engine
    V8, 6.6L
    VIN
    1GT4UXEY7TF166966
    Stock Number
    26G1045
    GMC Sierra

    Highlighted Features

    • 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
    • Front dual zone A/C

    Included Packages & Accessories

    • Preferred Equipment Group 5SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Signature Denali Ultimate Grille in Vadar Chrome; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Technology Package; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Keyless Open and Start; ProGrade Trailering System; Bose Premium Series 12-Speaker System; Push Button Start; Rear Wheelhouse Liners
    • Glacier White Tricoat
    • Apple CarPlay/Android Auto smart device wireless mirroring
    • Forward Collision Alert with Automatic Braking
    • Front Pedestrian Braking
    • Wi-Fi Hotspot capable mobile hotspot internet access
    • HD Rear Vision Camera w/Hitch View rear mounted camera
    • Adaptive cruise control
    • Head-up display
    • Automatic Emergency Braking predictive brake assist system
    • Cruise control with steering wheel mounted controls
    • Ventilated driver and front passenger seats
    • Keyfob remote start
    • Heated steering wheel
    • Heated driver and front passenger seats
    • Heated rear seats
    • Leather front seat upholstery
    • Primary monitor touchscreen
    • Lane Departure Warning
    • Rear Cross-Traffic Alert collision warning
    • First-row sliding and tilting glass sunroof with express open/close activation sunshade
    • Driver seat power reclining
    • lumbar support
    • seatback side bolster support
    • cushion tilt
    • fore/aft control and height adjustable control
    • AutoTrac part and full-time 4WD
    • Duramax 6.6L V-8 diesel direct injection
    • intercooled turbo
    • diesel
    • engine with 470HP
    • Duramax 6.6L V-8
    • Front wireless smart device charging
    • Google Built-In built-in virtual assistant
    • Teen Driver restricted driving mode/alerts
    • Keyless Open/Keyless Start with hands-free access and push button start
    • Keyfob window control
    • HD Surround Vision w/Hitch View aerial view camera
    • Smart device remote start
    • Push-button
    • GCW Alert weight capacity alert
    • Video-feed rearview mirror
    • Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
    • Bluetooth wireless audio streaming
    • Hitch Guidance vehicle to trailer hitching assist
    • Gauge cluster display size: 12.30
    • Front mounted camera with washer
    • Right side camera
    • Pickup box camera
    • Left side camera
    • Trailer Side Blind Zone Alert blind spot warning
    • Following Distance Indicator
    • Trailer tire pressure sensors
    • Trailer light test
    • Trailer light malfunction warning
    • Trailer theft alarm
    • Dual-zone front climate control
    • Full gauge cluster screen
    • Auto high-beam headlights

    Detailed Specifications

    • 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
    • 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
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Primary LCD size: 13.4"
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: brand
    • 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
    • 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
    • Front center armrest
    • Front seats: bucket
    • 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
    • Block heater
    • Compressor: intercooled turbo
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Horsepower: 470hp @ 2,800RPM
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 32
    • Rear locking differential
    • Recommended fuel: Diesel
    • Standard fuel economy fuel type: diesel
    • Torque: 975 lb.-ft. @ 1,600RPM
    • Transmission: 10 speed automatic
    • Ground clearance (min): 257mm (10.1")
    • 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
    • Skid plates
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Compression ratio: 16.00 to 1
    • Curb weight: 3,734kg (8,233lbs)
    • Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
    • Engine displacement: 6.6 L
    • Engine torque: 975 lb.-ft. @ 1,600RPM
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,027mm (79.8")
    • Exterior length: 6,369mm (250.8")
    • Front headroom: 1,093mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Payload: 1,404kg (3,096lbs)
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,659mm (65.3")
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • 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 Departure Warning warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: UltraSonic 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 Alert warning
    • Security system
    • Traction control

    Dealer Notes

    Vehicle Details
    2026 GMC Sierra 2500 Denali Ultimate 4WD with the 6.6L V8 Duramax diesel delivers class-leading capability, refined comfort, and advanced technology â€" now available in Arkadelphia, AR at the best price. This top-trim heavy-duty pickup blends premium leather seating and a heated steering wheel with rugged towing and hauling performance, powered by the proven diesel V8 and a durable four-wheel-drive system. Inside, the cabin surrounds driver and passengers with upscale materials and intelligent features like Android Auto integration, intuitive touchscreen controls, and comprehensive driver assists. Adaptive Cruise Control takes the stress out of long highway drives while Cross-Traffic Alert and other safety systems enhance confidence in busy parking lots and tight maneuvers. Practical convenience items and thoughtful storage make this GMC Sierra 2500 Denali Ultimate a true daily driver as well as a work-ready partner. On the road, the 6.6L diesel engine produces impressive torque for trailering and steady highway passes, paired with a smooth-shifting transmission and robust suspension tuned for heavy loads. Exterior design cues and Denali Ultimate trim details provide a commanding presence wherever you go. Located in Arkadelphia, AR, this 2026 GMC Sierra 2500 Denali Ultimate offers unmatched value and capability at the best price in the area. Contact us to schedule a test drive and experience the diesel V8 performance and premium features for yourself.

    Equipment
    The steering wheel audio controls on the vehicle keep the volume and station within easy reach. This 2026 GMC Sierra 2500 has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This 2026 GMC Sierra 2500's Lane Departure Warning helps keep you in your lane. This unit is pure luxury with a heated steering wheel. The leather seats in this unit are a must for buyers looking for comfort, durability, and style. See what's behind you with the back up camera on this GMC Sierra. This unit comes equipped with Android Auto for seamless smartphone integration on the road. This 2026 GMC Sierra 2500 is equipped with the latest generation of XM/Sirius Radio. Start this vehicle from inside with remote start. Bluetooth technology is built into the vehicle, keeping your hands on the steering wheel and your focus on the road. It offers Apple CarPlay for seamless connectivity.

    Packages
    Preferred Equipment Group 5SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Signature Denali Ultimate Grille in Vadar Chrome; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Technology Package; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Keyless Open and Start; ProGrade Trailering System; Bose Premium Series 12-Speaker System; Push Button Start; Rear Wheelhouse Liners. Glacier White Tricoat. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

    Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers.  Pricing dependent upon available manufacturer incentives.  See dealer for complete details.  Prices do not include $129 S&H fee, any additional equipment, destination charges or finance charges.  All prices, specifications, rebates, and availability are subject to change, and/or expiration without notice.  Southwest discounted prices are available to all customers on in stock vehicles only.  Every reasonable effort has been made to ensure the accuracy of the information contained on this site: however, absolute accuracy cannot be guaranteed.  This  entire site, and all information and exhibits appearing on it, are presented to the user as is without warranty of any kind, either expressed or implied.  All vehicles subject to prior sale, MSRP is the Manufacturer's Suggested Retail Price of a vehicle.  Images shown, including vehicle color, trim, options, and other specifications are subject to availability, current incentive offerings, current pricing and customers credit worthiness