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Sommer's Buick GMC
Sales: 866 791-8437 | Service: 866 617-7421 | Email: Contact Us

Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

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BIG Buick Savings!

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GM Certified Pre-Owned Savings!


Sommer's Buick GMC - Your Trusted Milwaukee Area Dealership in Mequon

Welcome to Sommer's Buick GMC, serving the greater Milwaukee and Grafton area from Mequon, WI! For over 60 years, we have provided unparalleled customer service to every Milwaukee Buick and GMC customer that has trusted our auto dealership with their automobile needs. We invite those from Grafton and beyond to experience the Sommer's Buick GMC difference! Our low pricing policy and great customer service has allowed our Mequon Buick and GMC dealership to grow as one of the largest dealers in the Midwest. With so many benefits to shopping at Sommer's Buick GMC, you'll find that value and satisfaction are guaranteed. Our GMC dealer near Milwaukee is sure to have what you need today!


Sommer's Buick GMC Serving Milwaukee, WI GMC and Buick Customers

Whether you're searching for a new Buick car, crossover or GMC truck, Sommer's Buick GMC in Mequon has you covered! Visit our GMC dealer near Milwaukee and test drive a new Terrain crossover SUV, professional grade Sierra truck, or an award-winning LaCrosse sedan. Conveniently located at 7211 W Mequon Rd. Mequon, WI 53092, we proudly serve Milwaukee Buick and GMC customers!

Sommer's Buick GMC - Used Car Dealer Serving Milwaukee GMC Customers

As a used car dealer near Milwaukee, Sommer's Buick GMC has a huge inventory of pre-owned vehicles. This includes used GMC and Buick vehicles as well! Don't hesitate to contact us for more information about our affordable financing options on any used vehicle at our Mequon GMC dealer. Milwaukee customers can find the perfect pre-owned truck or crossover at Sommer's Buick GMC!

Milwaukee GM Parts & Service at Sommer's Buick GMC

Milwaukee drivers can bring their vehicle to Sommer's Buick GMC for superior service. Our service center is staffed with GM factory-trained and certified technicians that have the experience and equipment needed to keep your vehicle running at its best. With the latest diagnostic equipment and OEM provided tools and information, you can trust Sommer's Buick GMC with your next maintenance or service appointment. Our Mequon parts department can also order that hard-to-find factory replacement part you've been searching for. Your needs and expectations will always be exceeded here at Sommer's Buick GMC in Mequon! We are your GMC dealer near Milwaukee!

Service | Parts Order Form | GM Accessories

Buick: Enclave | Encore | LaCrosse | Regal | Verano
GMC: AcadiaCanyon | Savana Cargo Van | Savana Commercial Cutaway | Savana Passenger Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon XL