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Sommer's Buick GMC Subaru
Mequon, WI
1,759 Reviews
Sommer’s Subaru Buick GMC – Where Customers Send Their Friends!
For over 70 years, Sommer’s Automotive has been a trusted name in Southeastern Wisconsin, helping tens of thousands of drivers find and maintain the perfect vehicle. Our commitment to outstanding customer service and community support has made us more than just a dealership—we’re your automotive partner for life.
At Sommer’s, we believe car buying and service should be easy, stress-free, and enjoyable. Whether you’re shopping for a new Subaru, Buick, or GMC, the perfect used vehicle, or looking for expert maintenance, our team is here to provide a straightforward, no-pressure experience.
We’re proud to be where customers send their friends—because trust, integrity, and exceptional service always come first.
Stop by and experience the Sommer’s difference today!
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This rating includes all dealership reviews, with more weight given to recent reviews.
Sales Price Transparency
Service Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Workmanship
Service Time
Service Communication
Hours
Sales/Showroom
Monday 8:30 AM - 8:00 PM
Tuesday 8:30 AM - 8:00 PM
Wednesday 8:30 AM - 8:00 PM
Thursday 8:30 AM - 8:00 PM
Friday 8:30 AM - 8:00 PM
Saturday 8:30 AM - 5:00 PM
Sunday Closed
Service
Monday 7:00 AM - 6:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 7:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 8:00 AM - 4:00 PM
Sunday Closed
Parts
Monday 7:00 AM - 6:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 7:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 8:00 AM - 4:00 PM
Sunday Closed
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Showing 1,759 reviews
November 02, 2026
They treat you like family at this dealership. We've bought/leased over 12 vehicles from them and each time it's always a positive experience going through Sommer's. We've bought/leased over 12 vehicles from them and each time it's always a positive experience going through Sommer's. More
by Dan.burgardt
Employees Worked With
November 01, 2026
Prompt scheduling for service, friendly service and care for customers is much appreciated, as well as answering follow-up questions about Appleton Carplay. for customers is much appreciated, as well as answering follow-up questions about Appleton Carplay. More
by ray.dallosto
Employees Worked With
Service dep
October 31, 2026
Friendly, knowledgeable people. First time there for service. Very impressed at check-in! It was fast and on time. One small thing...car wash doesn't have a blow-dry at the end leav First time there for service. Very impressed at check-in! It was fast and on time. One small thing...car wash doesn't have a blow-dry at the end leaving spots on my vehicle when I picked it up. Overall, great experience! More
by ecdatz
Employees Worked With
October 30, 2026
Everyone I encountered was very nice. They were ven took me early! It was my first visit & I was very impressed with the service & felt they were honest. They were ven took me early! It was my first visit & I was very impressed with the service & felt they were honest. More
by cherylafinger
Employees Worked With
Stewert
October 29, 2026
Great people! Well trained in customer service. Always smiling when talking to you! Recommend to anyone looking for a Subaru. Well trained in customer service. Always smiling when talking to you! Recommend to anyone looking for a Subaru. More
by dino82q
October 28, 2026
In our opinion, FIVE STARS is not a high enough rating for Troy. He is tops in all categories as is Sommer's Subaru. for Troy. He is tops in all categories as is Sommer's Subaru. More
by wayne10sfg
October 24, 2026
They keep their appointments running on time. I appreciate washing my car. I do question the policy of asking me to come in every six months; both this time and 6months ago I didnt have enough mi I appreciate washing my car. I do question the policy of asking me to come in every six months; both this time and 6months ago I didnt have enough miles to rotate tires. It’s myunderstanding that the synthetic oils can go longer but I have questioned the policy and I get the sme party line—bring it in for 6-month service no matter how mny miles you have… More
by SusanHops
Employees Worked With
service
