Recent Arrival! Twin City Buick GMC is proud to present you with another True Market Priced Pre-Owned Vehicle. This 2021 GMC Yukon XL AT4 is loaded with the following Factory Options:AT4 Premium Plus Package (Dual-Pane Panoramic Power Sunroof and Power-Retractable Assist Steps), Max Trailering Package (Extra Capacity Cooling System), Preferred Equipment Group 4SB (12-Way Power Seat Adjusters, 2 Presets For Outside Rearview Mirrors, 3rd Row 60/40 Power-Folding Split-Bench Seat, Black Roof-Mounted Luggage Rack Side Rails, Bose 9-Speaker Stereo Audio System Feature, Bright Front & Rear Door Sill Plates, Front High-Approach Angle Fascia, Hands-Free Power Programmable Rear Liftgate, Heated & Ventilated Driver & Front Passenger Seats, Heated 2nd Row Outboard Position Seats, Heated Automatic Steering Wheel, Heated Driver & Front Passenger Seats, Heavy-Duty Air Filter, Hill Descent Control, Inside Rear-View Auto-Dimming Mirror, Outside Heated Power-Adjustable Mirrors, Power Release 2nd Row 60/40 Split-Folding Bench Seat, Power Tilt & Telescopic Steering Column, Red Horizontal-Mounted Recovery Hooks, Safety Alert Seat, and Universal Home Remote), Premium Capability Package w/Active Response 4WD (Air Ride Adaptive Suspension and Electronic Limited Slip Differential (eLSD)), Rear Media & Nav Package (HD Radio, Radio: AM/FM/SiriusXM w/Navigation, Rear Seat Media System, and SiriusXM w/360L), Technology Package (15 Diagonal Multi-Color Head-Up Display, HD Surround Vision, and Rear Pedestrian Alert), 4WD, 3.23 Rear Axle Ratio, 3rd row seats: split-bench, 4-Wheel Disc Brakes, 9 Speakers, ABS brakes, Adaptive suspension, 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, Auto-leveling suspension, Automatic Emergency Braking, Automatic temperature control, Brake assist, Bumpers: body-color, Compass, Console-Mounted Safe (LPO), Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar and GMC connected services capable, Following Distance Indicator, Forward Collision Alert, Four wheel independent suspension, Front & Rear Park Assist, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front reading lights, Fully automatic headlights, Garage door transmitter, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Lane Change Alert w/Side Blind Zone Alert, Lane Keep Assist w/Lane Departure Warning, Leather steering wheel, Low tire pressure warning, Magnetic Ride Control Suspension, Memory seat, Occupant sensing airbag, Outside temperature display, Overhea