5655 S Lindbergh Blvd. St. Louis, MO 63123

CALL TODAY: (314) 310-7283

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

Stock : RT261878 VIN : 3GTUUDED6TG499279 Sale Price : $56,042
Exterior : Onyx Black   Interior : Jet Black  
Mileage : 2 Fuel : Gasoline MPG : 15 City / 18-19 HWY   Transmission : Automatic
Drive Type : 4WD Engine : 5.3L EcoTec3 V8 ; featuring Dynamic Fuel Management Cylinders : 8 HP : 355 @ 5600 rpm  
Vehicle Description
Thank you for choosing Dave Sinclair Buick GMC This 2026 GMC Sierra 1500 SLT, has a Onyx Black exterior and a Jet Black interior. Please call us at (314) 272-4060 and reference stock number RT261878 for further details. WHY THIS VEHICLE?

SLT Convenience Package ($1,755 value)

  • Front Bucket Seats
  • Floor-Mounted Center Console
  • Wireless Charging
  • Ventilated Driver and Front Passenger Seats
  • Power Rake and Telescoping Steering Column
  • Premium Bose 7-Speaker Sound System

ProGrade Trailering System ($215 value)

  • Hitch View
  • In-Vehicle Trailering System App

Preferred Equipment Group 4SA

  • Power Front Passenger Windows with Express Up/down
  • Power Rear Windows with Express Down
  • Deep-Tinted Glass
  • Power Door Locks
  • Keyless Open and Start
  • Power Front Windows with Driver Express Up/down
  • Rear Wheelhouse Liners
  • Color-Keyed Carpeting Floor Covering
  • Push Button Start
  • Remote Vehicle Starter System
  • Electric Rear-Window Defogger
  • Front Rain-Sensing Wipers
  • Auto-Locking Rear Differential
  • Chrome Header and Chrome Grille Insert Bars
  • Integrated Trailer Brake Controller
  • 120-Volt Interior Power Outlet
  • Auxiliary External Transmission Oil Cooler
  • 170 Amp Alternator
  • 5.3L EcoTec3 V8 Engine
  • Manual Tilt-Wheel and Telescoping Steering Column
  • Single Speed Transfer Case
  • GMC Pro Safety
  • Perimeter Lighting
  • SiriusXM with 360L Trial Subscription
  • 2 type-C Charge-Only Rear USB Ports
  • 2 Charge/data USB Ports
  • OnStar Services Capable
  • LED Cargo Area Lighting
  • 18 X 8.5 6-Spoke Machined Aluminum Wheels
  • Steering Wheel Audio Controls
  • 6-Speaker Audio System Feature
  • Theft Deterrent System (unauthorized Entry)
  • HD Rear Vision Camera
  • Front Frame-Mounted Black Recovery Hooks
  • Wi-Fi Hotspot Capable
  • Trailering Package

SLT Preferred Package ($1,050 value)

  • Power Sliding Rear Window with Rear Defogger
  • Heated 2nd Row Outboard Seats
  • Adaptive Cruise Control
  • Universal Home Remote

Sierra Safety Plus Package ($970 value)

  • Safety Alert Seat
  • Trailer Camera Provisions
  • Ultrasonic Front and Rear Park Assist
  • Rear Cross Traffic Braking
  • Rear Pedestrian Detection
  • Trailer Side Blind Zone Alert
  • HD Surround Vision

Safety and Security

  • Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That’s when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead.
  • Pedestrian impact prevention - An extra step toward safety. Pedestrians don’t always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision.
  • Rear camera - Watching your back! The rear camera helps you see obstacles and hazards you otherwise couldn’t by showing enhanced images of what is behind you. The rear camera is an extra set of eyes that’s both convenient and safe.

Technology and Telematics

  • Apple CarPlay/Android Auto smart device wireless mirroring
  • Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicle?s private mobile hotspot and take the internet wherever your journey takes you, without eating up your data allowance. Find the hotspot with mobile hotspot.
EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 5.3L ECOTEC3 V8, TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED, GVWR, 7100 LBS. (3221 KG), REAR AXLE, 3.23 RATIO, WHEELS, 18 X 8.5 (45.7 CM X 21.6 CM) 6-SPOKE MACHINED ALUMINUM, TIRES, 265/65R18SL ALL-SEASON, BLACKWALL, TIRE, SPARE 265/70R17SL ALL-SEASON, BLACKWALL, ONYX BLACK, SEATS, FRONT BUCKET, JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM, AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, INCLUDES COLOR TOUCH-SCREEN, MULTI-TOUCH DISPLAY, AM/FM STEREO, SLT CONVENIENCE PACKAGE, SLT PREFERRED PACKAGE, SIERRA SAFETY PLUS PACKAGE, PROGRADE TRAILERING SYSTEM, ELECTRONIC PRECISION SHIFT AND STEERING COLUMN PADDLE SHIFTERS, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, LICENSE PLATE KIT, FRONT, BEDLINER, SPRAY-ON, BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM, SEATS, VENTILATED DRIVER AND FRONT PASSENGER, SEATS, HEATED SECOND ROW OUTBOARD SEATS, CENTER CONSOLE, FLOOR-MOUNTED, STEERING COLUMN, POWER RAKE AND TELESCOPING, IN-VEHICLE TRAILERING APP, UNIVERSAL HOME REMOTE, ADAPTIVE CRUISE CONTROL, WIRELESS CHARGING, USB PORTS, 2, CHARGE/DATA PORTS LOCATED INSIDE CENTER CONSOLE, HITCH VIEW, HD SURROUND VISION, TRAILER CAMERA PROVISIONS AND TRAILER VIEWING SOFTWARE, FRONT AND REAR PARK ASSIST, ULTRASONIC, TRAILER SIDE BLIND ZONE ALERT, REAR CROSS TRAFFIC BRAKING, REAR PEDESTRIAN ALERT, SAFETY ALERT SEATPlease do not hesitate to contact us with any questions you may have. Our staff is happy to answer any and all inquiries in a timely fashion. We look forward to doing business with you!
Features Overview
•  Air conditioning dual-zone automatic climate control
•  Air vents rear
•  Airbags dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner’s Manual for more information.)
•  Alternator 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (NHT) Max Trailering Package (LZ0) Duramax 3.0L Turbo-Diesel I6 engine or (VYU) Snow Plow Prep Package.)
•  Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted
•  Audio system feature 6-speaker system
•  Auto-locking rear differential
•  Automatic Stop/Start
•  Battery heavy-duty 730 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine and (L87) 6.2L EcoTec3 V8 engine.)
•  Brake lining wear indicator
•  Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors
•  Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) GMC Pro Safety.)
•  Bumper front chrome lower
•  Bumper rear chrome with bumper CornerSteps
•  Capless Fuel Fill
•  Cargo tie downs (12) fixed
•  Compass located in instrument cluster
•  Cooling auxiliary external transmission oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
•  Cooling external engine oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
•  CornerStep rear bumper
•  Door handles chrome
•  Driver Information Center enhanced 12.3" diagonal reconfigurable multicolor digital display
•  Engine 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring Dynamic Fuel Management
•  Exhaust aluminized stainless-steel muffler and tailpipe
•  Exhaust single outlet
•  Exterior Temperature Display located in radio display
•  Floor covering color-keyed carpeting
•  Fog lamps LED
•  Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
•  Four wheel drive
•  Frame fully-boxed hydroformed front section
•  Glass deep-tinted
•  GMC Premium information Display- 13.4" diagonal Multicolor touch screen
•  Grille (Chrome header and chrome grille insert bars with gloss black accents.)
•  GVWR 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine without (NHT) Max Trailering Package. Requires Crew Cab 2WD model with (L84) 5.3L EcoTec3 V8 engine and (NHT) Max Trailering Package. Requires Crew Cab 2WD model with bucket seats and (LZ0) Duramax 3.0L Turbo-Diesel I6 engine and (NHT) Max Trailering Package.)
•  Hitch Guidance
•  Lamps cargo area cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
•  LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
•  Lighting perimeter
•  Mirror caps chrome
•  Mirror inside rearview auto-dimming
•  Moldings window surround Chrome
•  Pickup bed
•  Power outlet bed mounted 120-volt (400 watts shared with (KI4) interior power outlet)
•  Power outlet interior power outlet 120-volt (400 watts shared with (KC9) bed mounted power outlet)
•  Rear axle 3.23 ratio (Not available with (NHT) Max Trailering Package.)
•  Rear Seat Belt Indicator
•  Rear seat reminder
•  Recovery hooks front frame-mounted black
•  Remote vehicle starter system
•  Seat adjuster driver 10-way power including lumbar
•  Seat adjuster passenger 10-way power including lumbar
•  Seat Belt Adjustable Guide Loops front row only
•  Seat Up-level Rear with Storage Package 60/40 folding bench for Crew Cab models includes full-length bench seat seatback storage on left and right side center fold out armrest with 2 cupholders full cab width under-seat storage (includes child seat top tether anchor)
•  StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
•  Steering column lock electrical
•  Steering Electric Power Steering (EPS) assist rack-and-pinion
•  Steering wheel audio controls
•  Steering wheel heated
•  Steering wheel wrapped
•  Suspension Package Standard
•  Tailgate and bed rail protection caps top
•  Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
•  Tailgate GMC MultiPro Tailgate with six functional load/access features
•  Taillamps LED LED signature taillight with LED stop turn & reverse and Fade-on/Fade-off animation
•  Theft-deterrent system unauthorized entry
•  Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
•  Trailer brake controller integrated
•  Trailering Package includes trailer hitch 7-pin and 4-pin connectors and (CTT) Hitch Guidance
•  Transfer case single speed electronic Autotrac with push button control (4WD models only)
•  USB ports (2) charge-only rear
•  Wheel 17" x 8" (43.2 cm x 20.3 cm) full-size steel spare
•  Wheelhouse liners rear
•  Wipers front rain-sensing
Contact Information
Please Contact Nick Godfrey
Dave Sinclair Buick GMC NEW Cars
Web : affordablebuicks.com
Email : dperez@dsbgstl.com
(314) 310-7283
5655 S Lindbergh Blvd.
St. Louis, MO 63123
RE : 2026 GMC Sierra 1500 SLT

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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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