Highest Rated GMC Dealer In WIsconsin
Family-Owned Since 1946 | Mequon, Wisconsin
One of Wisconsin's Highest-Rated Buick GMC Dealerships
Why Milwaukee Drivers Choose Sommer's Buick GMC
Looking for the best Buick GMC dealership near Milwaukee, WI? Discover why drivers throughout Southeastern Wisconsin choose Sommer's Buick GMC in Mequon for their automotive sales and service needs.
With a family-owned history dating back to 1946, a longstanding reputation for customer relationships, and thousands of customer reviews across major review platforms, Sommer's Buick GMC has become a trusted destination for new Buick SUVs, GMC trucks, GMC SUVs and quality pre-owned vehicles.
From Milwaukee, Brookfield and Sheboygan to Germantown, Cedarburg, Waukesha, West Bend and surrounding communities, our goal is simple: make shopping for and owning a vehicle a positive, comfortable experience.
Shop New Buick & GMC Inventory Read Customer ReviewsA Wisconsin Dealership Built on Trust
Generations of automotive experience serving Southeastern Wisconsin.
Highly rated customer experiences across the combined Sommer's dealership.
Strong aggregated customer feedback from multiple review sources.
Buick, GMC and Subaru within the Sommer's Automotive family.
Third-party review ratings are snapshots as of November 2026 and may change. DealerRater's rating covers the combined Sommer's Buick GMC Subaru dealership.
Family-Owned and Operated for Generations
Sommer's Automotive has deep roots in the Mequon community. The Sommer family's automotive story began with a local garage and service station in the 1940s, and the business grew through a commitment to earning customer trust and providing dependable service.
Today, Sommer's Buick GMC continues that family-owned tradition, welcoming generations of customers from Milwaukee and throughout Wisconsin.
The Sommer family philosophy has emphasized long-term relationships, knowledgeable employees, community involvement and a customer-first approach.
Learn About Sommer's Buick GMCReal People. Longstanding Relationships. Local Service.
A great dealership experience starts with the people behind it. At Sommer's Buick GMC, our team works to make every customer feel welcome, informed and confident.
Whether you're researching a GMC Sierra, comparing Buick SUVs, discussing financing or scheduling vehicle maintenance, we believe customers deserve clear communication and attentive service.
Sommer's has built relationships with customers who return for future vehicles, routine maintenance and service. Those relationships are an important part of our family-owned tradition.
See What Customers Are Saying
Why Buy From Sommer's Buick GMC Near Milwaukee?
Choosing a dealership is about more than finding the right vehicle. It's also about finding people you can trust throughout the shopping and ownership experience.
Family-Owned Heritage
A multigenerational local business with deep roots in Mequon and Southeastern Wisconsin.
Highly Rated Customer Experience
Strong customer ratings and published reviews that help shoppers evaluate our dealership.
New Buick & GMC Selection
Explore GMC trucks and SUVs, premium Buick crossovers and incoming vehicle inventory.
Pre-Owned Vehicle Options
Shop used vehicles and eligible GM Certified Pre-Owned inventory.
Lease & Finance Options
Explore current manufacturer incentives and available financing or leasing programs.
Service After the Sale
Return to our dealership for Buick and GMC maintenance, repairs and parts assistance.
Why Customer Reviews Matter at Sommer's Buick GMC
Online reviews are one of the ways Milwaukee-area drivers compare automotive dealerships. Sommer's Buick GMC has earned strong ratings on established third-party review platforms, along with feedback from verified sales and service customers.
Customer feedback highlights experiences with our sales professionals, service advisors, vehicle selection, communication and overall dealership environment. We encourage shoppers to read reviews and decide for themselves what makes Sommer's Buick GMC a compelling choice.
DealerRater
Explore customer feedback and salesperson reviews for Sommer's Buick GMC Subaru.
Read DealerRater ReviewsBirdeye
See aggregated customer ratings and feedback from multiple online review sources.
Explore Birdeye ReviewsCustomer Testimonials
Read customer experiences published directly on Sommer's Buick GMC's website.
View Sommer's Customer ReviewsShop New GMC Trucks & SUVs Near Milwaukee, WI
Whether you need a pickup for work and towing or a premium SUV for family travel, Sommer's Buick GMC offers a variety of GMC vehicles to explore.
Shop New Buick SUVs Near Milwaukee
Discover premium Buick SUVs at Sommer's Buick GMC in Mequon. From the stylish Buick Envista and versatile Envision to the spacious three-row Enclave, Buick offers comfort, modern technology and refined design.
Buick Envista
Sleek styling and practical everyday versatility.
Buick Envision
Premium compact SUV comfort and available AWD.
Buick Enclave
Three-row luxury SUV with generous passenger space.
Buick GMC Lease & Finance Specials
Sommer's Buick GMC offers access to eligible manufacturer lease and finance programs. Explore current offers on select Buick and GMC vehicles, subject to qualifications.
View Current SpecialsBuick GMC Service & Maintenance
Our dealership supports vehicle ownership with routine maintenance, diagnostics, repairs and genuine GM parts options for eligible vehicles.
Explore Our Service DepartmentProudly Serving Milwaukee and Southeastern Wisconsin
Sommer's Automotive's history is closely connected to the Mequon-Thiensville community. Over the decades, the Sommer family has supported local organizations, community projects and educational initiatives.
That local involvement reflects the dealership's longstanding commitment to being more than a place to purchase a vehicle. We value the communities where our customers and employees live and work.
We welcome customers from Milwaukee, Mequon, Sheboygan, Brookfield, Waukesha, Germantown, Cedarburg, Grafton, West Bend, Port Washington and surrounding Wisconsin communities.
Frequently Asked Questions About Sommer's Buick GMC
Is Sommer's Buick GMC one of the highest-rated dealerships in Wisconsin?
Sommer's Buick GMC has earned strong customer ratings on major review platforms, including DealerRater and Birdeye. Ratings and statewide rankings vary by platform and change over time. We encourage customers to compare recent reviews when choosing a dealership.
Why do Milwaukee drivers choose Sommer's Buick GMC?
Customers may value our family-owned heritage, experienced team, new and pre-owned vehicle selection, financing options, service department and longstanding community relationships. Read our customer reviews to learn about individual experiences.
Is Sommer's Buick GMC family-owned?
Yes. Sommer's Buick GMC describes itself as family-owned since 1946, with deep roots in the Mequon community and Southeastern Wisconsin.
How can I read Sommer's Buick GMC customer reviews?
Visit our customer reviews page or explore third-party feedback on DealerRater and Birdeye. These platforms feature customer experiences and ratings that may change over time.
What new GMC vehicles does Sommer's sell?
Sommer's Buick GMC offers GMC trucks and SUVs, including Sierra 1500, Sierra HD, Canyon, Terrain, Acadia and Yukon models, subject to availability.
What Buick SUVs are available at Sommer's?
Shop Buick SUVs such as the Envista, Envision and Enclave. Inventory, trims and model-year availability change frequently.
Does Sommer's Buick GMC sell used vehicles?
Yes. Sommer's offers pre-owned cars, trucks and SUVs, including eligible GM Certified Pre-Owned vehicles. Browse current inventory for available options.
Does Sommer's Buick GMC offer financing and leasing?
Yes. Our team can help qualified customers explore available financing, lease offers and manufacturer incentives on eligible vehicles.
Does Sommer's Buick GMC have a service department?
Yes. Our Mequon dealership offers Buick and GMC maintenance and service, including routine vehicle care, diagnostics and repairs. Contact our service team at 262-242-0100.
Is Sommer's Buick GMC convenient to Sheboygan and Brookfield?
Yes. Sommer's Buick GMC is located at 7211 W Mequon Road, Mequon, WI 53092. Drivers from Sheboygan, Brookfield and Milwaukee can plan their route using the directions links below.
Directions to Sommer's Buick GMC From Milwaukee, Sheboygan & Brookfield
Visit Sommer's Buick GMC at 7211 W Mequon Road, Mequon, WI 53092. Our dealership is conveniently located for shoppers throughout Southeastern Wisconsin.
From Milwaukee, WI
Travel north toward Mequon using I-43 North. Exit at Mequon Road / WI-167, head west and follow navigation to the dealership.
Directions From MilwaukeeFrom Sheboygan, WI
Travel south toward Mequon on I-43 South. Take the Mequon Road / WI-167 exit, head west and continue to Sommer's Buick GMC.
Directions From SheboyganFrom Brookfield, WI
Travel toward Mequon using the Milwaukee-area highway network or local roads. Follow current navigation to W Mequon Road and our dealership.
Directions From BrookfieldExperience Sommer's Buick GMC Near Milwaukee
Discover why generations of Wisconsin drivers have chosen Sommer's Automotive. Explore our Buick and GMC selection, read customer reviews or contact our team today.
Sommer's Buick GMC
7211 W Mequon Road
Mequon, WI 53092
Sales: 262-236-6531
Service & Parts: 262-242-0100
Review ratings and review counts are subject to change and may reflect the combined Sommer's Automotive dealership. Ratings do not establish a verified number-one statewide ranking. Vehicle inventory, prices, financing offers and availability are subject to change. Images are for illustration. Contact Sommer's Buick GMC for current information.