This 2021 GMC Yukon AT4 represents a capable, well-equipped full-size SUV ready to handle whatever your lifestyle demands. With its gray exterior, powerful presence, and thoughtful design, this vehicle combines practical utility with refined comfort for drivers who value both capability and convenience.- Power Panoramic Dual-Pane Sunroof with express-open and close and power sunshade- Second Row Power Release Bucket Seats- Technology Package featuring HD Surround Vision, Head-Up Display, and Rear Pedestrian Alert- Max Trailering Package with ProGrade Trailering System and extra capacity cooling- Bose 9-Speaker Stereo Audio System with SiriusXM 360L- 3rd Row 60/40 Power-Folding Split-Bench Seat- Heated and Ventilated Driver and Front Passenger Seats- Magnetic Ride Control Suspension with adaptive capabilities- Apple CarPlay and Android Auto integration- Automatic Emergency Braking with Front Pedestrian Braking- Lane Keep Assist with Lane Departure Warning- Rear Cross Traffic Alert and Trailer Side Blind Zone Alert- 20"" Machined Aluminum Alloy Wheels- Front and Rear Park Assist with Hill Descent Control- Integrated Trailer Brake Controller with in-vehicle trailering appThe EcoTec3 5.3L V8 engine paired with a 10-speed automatic transmission delivers dependable power for both daily driving and demanding tasks. The 4WD system provides traction and control across varying road conditions, while the 16 city and 20 highway MPG rating reflects efficient performance for a vehicle of this capability.Inside, comfort extends to all occupants through thoughtful features like automatic temperature control with front dual zones and rear air conditioning. The heated steering wheel, power-adjustable heated mirrors, and multiple reading lights enhance usability throughout the day and night. Memory seat functionality and a power tilt and telescopic steering column ensure each driver finds their ideal position quickly.Safety technology throughout this Yukon works actively to protect your family. Forward Collision Alert, automatic emergency braking, and lane-keep assistance help prevent accidents before they occur. The rear auto-dimming mirror, around-view camera system, and multiple alert systems provide visibility and awareness from every angle. OnStar and GMC connected services keep you supported on every journey.The trailering and towing capabilities make this AT4 a practical choice for those who haul regularly. The ProGrade Trailering System, integrated trailer brake controller, and hitch guidance with hitch view streamline the towing experience, while the extra capacity cooling system maintains optimal performance under load.This vehicle comes with all the everyday conveniences that make ownership rewarding: remote keyless entry, hands-free power liftgate, universal home remote, and a comprehensive suite of driver assistance features that work together to make your time behind the wheel more enjoyable and less stressful.At Sommer's Automotive in Mequon, we're proud to help drivers from across Milwaukee, Mequon, Waukesha, Brookfield, Whitefish Bay, Thiensville, Shorewood, Cedarburg, Grafton, Menomonee Falls, Sheboygan, West Bend, Fond du Lac, Madison, Kenosha, Racine, West Allis, Glendale, Greendale, Greenfield, Cudahy, Franklin, Oak Creek, Brown Deer, and beyond find the perfect vehicle. Our team is here to make your car-buying experience smooth, transparent, and enjoyable.