2026 GMC Yukon

Recent Arrival!This NEW 2026 Summit White GMC Yukon AT4 EcoTec3 5.3L V8 10-Speed Automatic with Overdrive 4WD is well equipped and includes these features and benefits: Advanced Security Package (Glass Breakage Sensor, Theft-Deterrent Alarm System, Vehicle Inclination Sensor, and Vehicle Interior Movement Sensor), AT4 Premium Package (Dual-Pane Panoramic Power Sunroof and Power-Retractable Assist Steps), Floor Liner Package (1st and 2nd Rows All-Weather Floor Liners, 3rd Row All-Weather Floor Liners, and All-Weather Cargo Mat), Technology Package (15 Diagonal Multi-Color Head-Up Display, Floor Console, Inside Rearview Auo-Dimming Rear Camera Mirror, and Power Release 2nd Row Bucket Seats), 4WD, 10 Speakers, 3.23 Rear Axle Ratio, 3rd row seats: split-bench, 4-Way Power Driver Lumbar Seat Adjuster, 4-Way Power Front Passenger Lumbar Seat Adjuster, 4-Wheel Disc Brakes, ABS brakes, Adaptive suspension, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Audio memory, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Auto-leveling suspension, Automatic temperature control, AutoSense Hands-Free Power Liftgate, Black Roof-Mounted Luggage Rack Side Rails, Body-Color Door Handles, Bose 10-Speaker Surround with CenterPoint, Brake assist, Bright Front and Rear Door Sill Plates, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual Exhaust System, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar and GMC connected services capable, Exterior Parking Camera Rear, Four wheel independent suspension, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front High-Approach Angle Fascia, Front reading lights, Fully automatic headlights, Garage door transmitter, Heated door mirrors, Heated Driver and Front Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty Air Filter, Hill Descent Control, Illuminated entry, Low tire pressure warning, Magnetic Ride Control Suspension, Memory seat, Navigation system: GMC Connected Navigation, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Heated and Ventilated Driver and Front Passenger Seats, Perforated Leather Seating Surfaces, Power door mirrors, Power driver seat, Power Liftgate, Power passenger seat, Power steering, Power Tilt and Telescopic Steering Column, Power windows, Radio: 16.8 Diagonal Premium GMC Infotainment System, Rain sensing wipers, Rear air conditioning, Rear anti-roll bar, Rear reading lights, Rear seat center armrest, Rear window defroster, Rear window wiper, Red Horizontal-Mounted Recovery Hooks, Remote keyless entry, Security system, SiriusXM with 360L, Speed control, Speed-sensing steering, Split folding rear seat, Spoiler, Steering wheel memory, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Variably intermittent wipers, Ventilated front seats, Voltmeter, and Wheels: 20 x 9 Machined and Painted.4WD.Awards:* Car and Driver 10 Best Trucks and SUVs Car and Driver Editors' ChoiceCar and Driver, January 2017.At O'Fallon Buick GMC, we're more than just a car dealership in O'Fallon. We're also members of the greater St Peters, Chesterfield, St Louis and St Charles MO communities, who work and live here just like you, and we want only what's best for our neighbors. We strive to support community initiatives and events, and we're committed to delivering the best customer service around.