2026 GMC Sierra 1500 Coastal Dune Denali
4WD 10-Speed Automatic 3.0L I6
Factory MSRP: $78,844
Dealer Discount of $5,000 off MSRP
Enjoy an included 10 year/100,000 mile Powertrain Warranty and free 1st scheduled maintenance on this new vehicle from Williams Buick GMC! Plus take advantage of 1 year complimentary road hazard protection. This coverage covers all internally lubricated parts of the engine, transmission, and drive system. *Heavy Duty and electric vehicles are ineligible for complimentary powertrain warranty. Contact us for complete details.
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22/26 City/Highway MPG Price does not include tax, title and dealer fees ($798). Not all customers qualify for all rebates. Price includes: $1750 - Buick & GMC GM Financial APR & NCC Consumer Cash Program: $1750 discount and 5.99% APR for 36 months. $30.42 per $1000 financed. Available to well qualified buyers who finance through GM Financial. XHD, NCC. Exp. 06/30/2026
2026 GMC Sierra 1500 Denali
- New
- Diesel
- MSRP
- $78,844
- Williams Savings
- -$5,000
- Documentation Fee
- $798
- Security Plus Fee
- $889
- Sale Price
- $75,531
- Purchase AllowanceDetails
- -$1,750
- Bonus CashDetails
- -$500
- Williams Price
- $73,281
- GM Military OfferDetails
- -$500
- Trade AssistanceDetails
- -$2,500
- GM First Responder OfferDetails
- -$500
Williams Buick GMC
Call 704-247-6490
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The overview
- Exterior Color
- Coastal Dune
- Interior Color
- Atmosphere/Brownstone, Forge perforated leather se
- Body/Seating
- Truck/5 seats
- Fuel Economy
- 22/26 MPG City/Hwy
- Transmission
- Automatic
- Engine
- 3.0L Duramax® Turbo Diesel engine
- VIN
- 3GTUUGE87TG400523
- Stock Number
- G260266
- Drivetrain
- 4WD
- Odometer
- 5 miles
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
The full 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
- 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
- Primary LCD size: 13.4"
- Radio data system
- Satellite radio trial duration with new vehicle purchase (months): 36
- 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
- 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 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: 1,013mm (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
Notes from the dealer
Peace of mind
Factory warranty
36 months/36,000miles from the vehicle's original in-service date
A name you can trust
Williams Buick GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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Williams Discount Price is available to everyone.
Price does not include dealer admin fee of $798, sales tax, security plus protection package, registration, and dealer installed accessories. Online price valid for in-stock vehicles with an assigned stock number only. All prices, specification and availability subject to change without notice. Prices available for retail purchase only. Out of market buyers may be subject to out of market price adjustment. Terms and conditions may vary based on credit score and status. Total savings may include dealership discount and all manufacturer incentives.
While we intend for all pricing and incentives to be accurate, we are only human and sometimes mistakes do happen. Software is not perfect and glitches may occur. We maintain every effort to ensure accurate online pricing. Please contact us to clarify what incentives you qualify for.
Monthly payments are only estimates derived from the vehicle price with a 72 month term, 4.9% interest and 20% down payment. On approved credit. Terms may vary.
10 year/100,000 mile warranty: Does not apply to prior purchases. Does not apply to leased vehicles. Does not apply to electric vehicles. Coverage begins on the vehicle purchase date and expires on the date you sell or otherwise transfer the vehicle to another person or entity. Warranty is valid for first 10 years of ownership, or first 100,000 miles driven (whichever comes first). Ineligible vehicles: Any vehicle with an engine that has more than 8-cylinders. Any vehicle with a Gross Vehicle Weight (GVW) in excess of 14,000 lbs. Any vehicle used for commercial construction, commercial deliveries, commercial towing, commercial hauling, postal service, volunteer public service(s), snow plowing, rental, livery, taxi, motor pool vehicles, police or any type of emergency vehicle. Any vehicle used for on or off-road racing or vehicles which are equipped or used for towing in a manner not consistent with the manufacturer's recommendations. Any vehicle used for farming, ranching, route sales, route service, inspection service or transportation of tools to a job site. Any vehicle with modifications or alterations to the powertrain, exhaust system or suspension that do not meet manufacturer's specifications or are not approved by the vehicle manufacturer, including but not limited to, oversize tires, altered ignition systems, free flow exhaust systems and lift kits. For complete information regarding terms, conditions and exclusions, please see dealer for complete details.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.