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Sommer's Buick GMC Subaru
Mequon, WI
1,722 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 349 service reviews
July 10, 2026
Adam & Rio and staff are excellent! Service completed on time all maintenance skillfully completed. Thank You. Service completed on time all maintenance skillfully completed. Thank You. More
by primatetoo
July 08, 2026
Very pleased with customer service. They are courteous helpful and thorough. I always enjoy coming to this dealership when I need car care. They are courteous helpful and thorough. I always enjoy coming to this dealership when I need car care. More
by doofless1945
Employees Worked With
John
July 08, 2026
Service is always top-notch. Customer Service personnel are courteous and helpful. It's a pleasant experience coming to this dealership for car care. Customer Service personnel are courteous and helpful. It's a pleasant experience coming to this dealership for car care. More
by doofless1945
Employees Worked With
John
July 03, 2026
I always get a great reception when I show up to get service. Also when I call to make the appointment, and when I check out. courtesy and professionalism is given by those who are employed with Sommer service. Also when I call to make the appointment, and when I check out. courtesy and professionalism is given by those who are employed with Sommer’s. More
by lynnparker80
Employees Worked With
July 02, 2026
Service call was performed fast and at the scheduled time. Very good communication and explanations throughout the process. Appreciate the car wash after performed services also. time. Very good communication and explanations throughout the process. Appreciate the car wash after performed services also. More
by mstudee
Employees Worked With
Josh-service advisor
June 25, 2026
We always get exceptional service from Sommer's. I was pleasantly surprised that my floor mats were cleaned as part of the car wash that they provide after a service call. Excellent! I was pleasantly surprised that my floor mats were cleaned as part of the car wash that they provide after a service call. Excellent! More
by briankellinger
June 01, 2026
I got in for an oil change at the last minute and was offered a loaner to use. My car was finished as promised. offered a loaner to use. My car was finished as promised. More
by Mountainsummit14er
Employees Worked With
Other Employees :
Mitchell in service dept.
June 01, 2026
Always efficient and always friendly. It is nice to get the car washed after each service visit! It is nice to get the car washed after each service visit! More
by tjaeger.foxhunter
Employees Worked With
