New 2026 GMC Yukon AT4 Ultimate 4x4 in St. Louis, MO

Thank you for choosing Dave Sinclair Buick GMC This 2026 GMC Yukon AT4 Ultimate, has a Sterling Metallic exterior and a Obsidian Rush with Red Accents interior. Please call us at (314) 272-4060 and reference stock number T261945 for further details. WHY THIS VEHICLE?

Preferred Equipment Group 4SG

• Driver Power Massage Seat
• Driver 2-Way Power Upper Shoulder
• POWER BOLSTER PASSENGER
• Front Passenger Power Massage Seat
• Power Release 2nd Row Bucket Seats
• 4-Way Power Driver Lumbar Seat Adjuster
• 4-Way Power Front Passenger Lumbar Seat Adjuster
• Power-Retractable Assist Steps
• Bright Front and Rear Door Sill Plates
• SUNROOF, POWER, DUAL-PANE, PANORAMIC
• 8 Diagonal Rear Touchscreen Climate Control
• Advanced Technology Package
• Body-Color Door Handles
• Hill Descent Control
• AIR CLEANER, HIGH CAPACITY
• HEATED AND VENTED DRIVER & FRONT PASSENGER SEATS
• 6.2L EcoTec3 V8 Engine
• EXHAUST, DUAL TIPS
• Power Tilt and Telescopic Steering Column
• 4-Spoke Leather-Wrapped Steering Wheel
• 2-Speed Electronic Autotrac Active Transfer Case
• 275/60R20SL AT BW Tires
• Front Skid Plate
• 20 X 9 Machined and Painted Wheels
• Sport Pedal Cover Kit
• Wheel Locks (set of 4)
• AutoSense Hands-Free Power Liftgate
• Red Horizontal-Mounted Recovery Hooks
• Bose 18-Speaker Surround with Centerpoint
• 15 Diagonal Multi-Color Head-Up Display
• Black Roof-Mounted Luggage Rack Side Rails
• Front High-Approach Angle Fascia
• Premium Capability Package with Active Response 4WD
• Magnetic Ride Control Suspension

Floor Liner Package ($495 value)

• All-Weather Cargo Mat
• ALL WEATHER FLOOR LINERS, 1ST AND 2ND ROWS (DEALER INSTALLED)
• 3rd Row All-Weather Floor Liners

Safety and Security

• Steering assist and/or lane centering will maintain the vehicle’s position within the lane with minimal input from the driver. The driver’s hands must remain on the steering wheel, or touch the steering wheel every few seconds, for the system to remain active.
• With this system the driver’s hands must remain on the wheel at all times but can be removed briefly (for a few seconds), otherwise the vehicle will prompt the driver to put their hands back on the wheel.
• Hands-off cruise control with lane change
• Super Cruise hands-off cruise control with lane change

Technology and Telematics

• Apple CarPlay/Android Auto smart device wireless mirroring

• 4-wheel drive
• 8" diagonal rear touchscreen climate control located on back of center console (Includes massage control when (ABV) Executive Second Row Seating Package is ordered.)
• Active aero shutters upper
• Air filter heavy-duty
• Air filter pollutant and fine dust
• Airbags Frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Driver inboard seat-mounted side-impact airbag; Head-curtain airbags for all rows in outboard seating positions (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 220 amps (Standard with (L87) 6.2L EcoTec3 V8 engine only.)
• Assist handles front passenger A-pillar and second row outboard B-pillar
• Assist handles overhead driver and front passenger located in headliner
• Assist steps power-retractable with perimeter lighting
• Audio system feature Bose 18-speaker Surround with CenterPoint
• Automatic Stop/Start
• AutoSense Power Liftgate hands-free presence detection
• Battery 730 cold-cranking amps with 80 amp hour rating (Standard with (L87) 6.2L EcoTec3 V8 Engine only.)
• 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 can be turned on and off in Settings or Teen Driver menu
• Console floor power-sliding center with drawer secure storage manual sliding armrest and cup holders for second row; deletes (UBC) 2 USB charge/data ports within center console
• Cooling auxiliary external transmission oil cooler heavy-duty air-to-oil
• Cooling external engine oil cooler heavy-duty air-to-oil integral to driver side of radiator (Deleted when (LZ0) Duramax 3.0L Turbo-Diesel engine is ordered.)
• Cooling system extra capacity (Delet