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Sommer's Buick GMC Subaru
Mequon, WI
1,532 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 1,532 reviews
September 13, 2025
Great service and the staff are very professional. The service department treat you courteously and keep you posted every step of the way. The service department treat you courteously and keep you posted every step of the way. More
by dkneib
September 11, 2025
All around positive experience. I appreciated the online pricing feature. I don’t enjoy the usual sales process. I appreciated the online pricing feature. I don’t enjoy the usual sales process. More
by Pat
September 10, 2025
I have just purchased my 2nd vehicle from Sommer's. Always an easy, stress free process when working with Curt. The service department is top notch as well. Never have been disappointed. Always an easy, stress free process when working with Curt. The service department is top notch as well. Never have been disappointed. More
by Jessval
Employees Worked With
September 10, 2025
Everyone is so polite and considerate We are very pleased with our experience and we definitely be back again pleased with our experience and we definitely be back again More
by rheller
September 10, 2025
Thank you so much for the repair completed under extended warranty on the Subaru Outback as well as the courtesy car provided for my convenience. Sommer’s has always been a good experience when help is need warranty on the Subaru Outback as well as the courtesy car provided for my convenience. Sommer’s has always been a good experience when help is needed. More
by Heidenjoan
Employees Worked With
Kevin in service and Mary P at service desk. Excellent customer service!
September 10, 2025
As it’s always been for the past seven years, our service on our Subaru’s has been excellent in every way. Please don’t change a thing, it all works perfectly!! on our Subaru’s has been excellent in every way. Please don’t change a thing, it all works perfectly!! More
by pmoll@wi.rr.com
September 10, 2025
This visit was for service of my used Subaru; Everyone was polite and helpful, but Sara was especially good; I was most impressed with her overall knowledge of the vehicle, continued communication throug was polite and helpful, but Sara was especially good; I was most impressed with her overall knowledge of the vehicle, continued communication throughout the experience, and her final explanation of service required. More
by marge
Employees Worked With
Sara W … service manager
