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Sommer's Buick GMC Subaru
Mequon, WI
1,738 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 1,738 reviews
August 14, 2025
Zach and others took care to make us comfortable and were so accommodating. However, this is the kind of service we always get. Sommer's is the best dealership in Wisconsin without a doubt! so accommodating. However, this is the kind of service we always get. Sommer's is the best dealership in Wisconsin without a doubt! More
by quinlanmike8
Employees Worked With
Adam Driever
August 13, 2025
Great service. Mechanics go above and beyond if they note an issue while working on your car. Excellent communication from service to customer providing status Mechanics go above and beyond if they note an issue while working on your car. Excellent communication from service to customer providing status updates. More
by mml
Employees Worked With
Service
August 12, 2025
Awesome customer service, informed wife of all the important features, took time to help her connect everything before we left the lot. important features, took time to help her connect everything before we left the lot. More
by DSANDERS6292
Employees Worked With
August 11, 2025
This is my 2nd Subaru. I have a 24 and a 25. The experience was good but know one mentioned the loyalty program. How do you get a voucher for the future? I have a 24 and a 25. The experience was good but know one mentioned the loyalty program. How do you get a voucher for the future? More
by Tom
Employees Worked With
Stephen Wolter
August 11, 2025
Very courteous, efficient, and friendly. They keep the customer informed about the service the findings and the cost. I like also that the phone is always answered by a person when i need t They keep the customer informed about the service the findings and the cost. I like also that the phone is always answered by a person when i need to schedule an appointment. More
by rlehr0644
Employees Worked With
Sara
