5655 S Lindbergh Blvd. St. Louis, MO 63123

CALL TODAY: (314) 310-7283

Dave Sinclair Buick GMC Truck
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2026 GMC Sierra 1500 AT4 for sale in St. Louis MO from Dave Sinclair Buick GMC Truck

Stock : T261550A VIN : 1GTUUEE81TZ120312 CALL FOR PRICE
Exterior : Onyx Black   Interior : Jet Black With Kalahari Accents  
Mileage : 28,883 Fuel : Diesel Fuel MPG : 21-22 City / 24-26 HWY   Transmission : Automatic
Drive Type : 4WD Engine : Duramax 3.0L Turbo-Diesel I6 Cylinders : 6 HP : 305 @ 3750 rpm  
Vehicle Description
2026 GMC Sierra 1500 AT4 Recent Arrival! 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.

22/26 City/Highway MPG
AT4 CarbonPro Edition (Carbon Fiber Composite Bed, CarbonPro Fender Hard Badge, and MultiPro Tailgate Audio System by Kicker), AT4 Preferred Package (Power Sliding Rear Window with Rear Defogger and Universal Home Remote), AT4 Premium Package (Off-Road High Clearance Step), Preferred Equipment Group 4SB (120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, Auto-Locking Rear Differential, Black Chrome Grille Insert Bars, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Premium Floor Liners with Removable Carpet Insert, 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, Off-Road Suspension, 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, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Premium Floor Liners with Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, 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, Ventilated Driver and Front Passenger Seats, Wheels: 20" x 9" Machined Aluminum, Wi-Fi Hotspot Capable, and Wireless Charging), Technology Package (Bed View Camera, Multicolor 15" Diagonal Head-Up Display, and Rear Camera Mirror), Trailering Package (Hitch Guidance), 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, 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 Emergency Braking, Automatic temperature control, Block heater, 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, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Lane Keep Assist with Lane Departure Warning, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Front Leather Seat Trim, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power Sunroof, Power windows, Radio data system, Radio: Premium GMC Infotainment Audio System, Rain sensing wipers, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry
Features Overview
•  10-Way Power Driver Seat Adjuster with Lumbar
•  10-Way Power Passenger Seat Adjuster with Lumbar
•  120-Volt Bed Mounted Power Outlet
•  120-Volt Interior Power Outlet
•  2 Charge/Data USB Ports Inside Center Console
•  2 Type-C Charge-Only Rear USB Ports
•  2 USB Ports
•  2-Speed Transfer Case
•  220 Amp Alternator
•  3.23 Rear Axle Ratio
•  4-Wheel Disc Brakes
•  7 Speakers
•  ABS brakes
•  Air Conditioning
•  Alloy wheels
•  AM/FM radio: SiriusXM with 360L
•  Apple CarPlay/Android Auto
•  AT4 CarbonPro Edition
•  AT4 Preferred Package
•  AT4 Premium Package
•  Auto High-beam Headlights
•  Auto-dimming door mirrors
•  Auto-dimming Rear-View mirror
•  Auto-Locking Rear Differential
•  Automatic Emergency Braking
•  Automatic temperature control
•  Bed View Camera
•  Black Chrome Grille Insert Bars
•  Block heater
•  Brake assist
•  Buckle to Drive
•  Bumpers: body-color
•  Carbon Fiber Composite Bed
•  CarbonPro Fender Hard Badge
•  Color-Keyed Carpeting Floor Covering
•  Compass
•  Deep-Tinted Glass
•  Delay-off headlights
•  Driver door bin
•  Driver Memory
•  Driver vanity mirror
•  Dual front impact airbags
•  Dual front side impact airbags
•  Electric Rear-Window Defogger
•  Electronic Stability Control
•  Emergency communication system: OnStar
•  Engine Block Heater
•  Floor-Mounted Center Console
•  Following Distance Indicator
•  Forward Collision Alert
•  Front anti-roll bar
•  Front Bucket Seats
•  Front Center Armrest
•  Front dual zone A/C
•  Front fog lights
•  Front License Plate Kit
•  Front Pedestrian Braking
•  Front Premium Floor Liners with Removable Carpet Insert
•  Front Rain-Sensing Wipers
•  Front reading lights
•  Front wheel independent suspension
•  Fully automatic headlights
•  GMC Pro Safety
•  HD Surround Vision
•  Heated 2nd Row Outboard Seats
•  Heated door mirrors
•  Heated Driver and Front Outboard Passenger Seating
•  Heated front seats
•  Heated rear seats
•  Heated steering wheel
•  Heavy-Duty Air Filter
•  Hill Descent Control
•  Hitch Guidance
•  Hitch View
•  Illuminated entry
•  in-Vehicle Trailering System App
•  Integrated Trailer Brake Controller
•  IntelliBeam Automatic High Beam on/Off
•  Keyless Open and Start
•  Lane Keep Assist with Lane Departure Warning
•  LED Cargo Area Lighting
•  Low tire pressure warning
•  Memory seat
•  Multicolor 15" Diagonal Head-Up Display
•  MultiPro Tailgate Audio System by Kicker
•  Navigation System
•  Occupant sensing airbag
•  Off-Road High Clearance Step
•  Off-Road Suspension
•  OnStar Services Capable
•  Outside temperature display
•  Overhead airbag
•  Overhead console
•  Panic alarm
•  Passenger door bin
•  Passenger vanity mirror
•  Perforated Front Leather Seat Trim
•  Perimeter Lighting
•  Power Door Locks
•  Power door mirrors
•  Power driver seat
•  Power Front Passenger Windows with Express Up/Down
•  Power Front Windows with Driver Express Up/Down
•  Power passenger seat
•  Power Rake and Telescoping Steering Column
•  Power Rear Windows with Express Down
•  Power Sliding Rear Window with Rear Defogger
•  Power steering
•  Power Sunroof
•  Power windows
•  Preferred Equipment Group 4SB
•  Premium Bose 7-Speaker Sound System
•  Push Button Start
•  Radio data system
•  Radio: Premium GMC Infotainment Audio System
•  Rain sensing wipers
•  Rear Camera Mirror
•  Rear Cross Traffic Braking
•  Rear Pedestrian Detection
•  Rear Premium Floor Liners with Removable Carpet Insert
•  Rear reading lights
•  Rear seat center armrest
•  Rear step bumper
•  Rear Wheelhouse Liners
•  Rear window defroster
•  Red Recovery Hooks
•  Remote keyless entry
•  Remote Vehicle Starter System
•  Safety Alert Seat
•  Security system
•  SiriusXM with 360L Trial Subscription
•  Skid Plates
•  Speed control
•  Speed-sensing steering
•  Split folding rear seat
•  Spray-on Pickup Bedliner with GMC Logo
•  Steering Wheel Audio Controls
•  Steering wheel mounted audio controls
•  Tachometer
•  Technology Package
•  Telescoping steering wheel
•  Theft Deterrent System (unauthorized Entry)
•  Tilt steering wheel
•  Traction control
•  Trailer Camera Provisions
•  Trailer Side Blind Zone Alert
•  Trailering Package
•  Trip computer
•  Ultrasonic Front and Rear Park Assist
•  Universal Home Remote
•  Variably intermittent wipers
•  Ventilated Driver and Front Passenger Seats
•  Ventilated front seats
•  Voltmeter
•  Wheels: 20" x 9" Machined Aluminum
•  Wi-Fi Hotspot Capable
•  Wireless Apple CarPlay/Wireless Android Auto
•  Wireless Charging
Detailed Autovalue Features
•  Navigation System
•  Rain sensing wipers
Contact Information
Please Contact Nick Godfrey
Dave Sinclair Buick GMC Pre-Owned
Web : affordablebuicks.com
Email : dperez@dsbgstl.com
(314) 310-7283
5655 S Lindbergh Blvd.
St. Louis, MO 63123
About Dave Sinclair Buick GMC Pre-Owned
Thank you for visiting Dave Sinclair Buick GMC.
RE : 2026 GMC Sierra 1500 AT4

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Prices subject to change without notice and do not include Title, License, Registration Fees, State or Local Taxes or Processing Fees, if any. Please contact seller first for vehicle availability. Although every effort is made to present accurate and reliable information, use of this information is voluntary, and should only be deemed reliable after an independent review of its accuracy, completeness, and timeliness. It is the sole responsibility of the customer to verify the existence of options, accessories and the vehicle condition before time of sale. Any and all differences must be addressed prior to time of sale. No expressed or implied warranties, including the availability or condition of the equipment listed is made. EPA mileage estimates for comparison purposes only. Actual mileage may vary depending on driving conditions, driving habits, and vehicle maintenance.
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