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Sommer's Buick GMC Subaru
Mequon, WI
1,633 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 1,633 reviews
October 22, 2025
Service representatives are cheerful and helpful. All maintenance was handled in a timely manner. All items checked were reviewed with me before I left. I even had a quick car wash. All maintenance was handled in a timely manner. All items checked were reviewed with me before I left. I even had a quick car wash. More
by Suzy
Employees Worked With
Service representatives
October 21, 2025
Nice and clean facility very friendly salesman’s very attentive and I wasn’t in there very long attentive and I wasn’t in there very long More
by sharonharris7920
October 21, 2025
My wife and I came all the way from Waukesha to get an Outback from Sommers. Great experience and Curt is just the best! Outback from Sommers. Great experience and Curt is just the best! More
by okiefo
Employees Worked With
October 20, 2025
I enjoy having our vehicle serviced at Summers GMC. The service department is friendly and does their very best to make your service experience non stressful. The waiting area is comfortable with co The service department is friendly and does their very best to make your service experience non stressful. The waiting area is comfortable with coffee, tea or water available. I’ve never been disappointed with the Summers service department. More
by Darrell
Employees Worked With
