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Sommer's Buick GMC Subaru
Mequon, WI
1,713 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 343 service reviews
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
May 31, 2026
They were able to diagnose the noise I was hearing from my front right tire. They were also were able to do a warranty repair which made my brakes in the front so much better. Very happy with my most recen my front right tire. They were also were able to do a warranty repair which made my brakes in the front so much better. Very happy with my most recent service. More
by OttovonOtto
Employees Worked With
Angie
May 26, 2026
They were transparent in what they were working on and what my car needed/didn’t need. I was also given a courtesy loaner car and that helps so much! what my car needed/didn’t need. I was also given a courtesy loaner car and that helps so much! More
by Melissaann0917
Employees Worked With
May 25, 2026
We were very pleased with diagnosis, work performed and time to complete the work, was awesome, and the loaner was nice!! Car came back to us nice and clean.Great service. time to complete the work, was awesome, and the loaner was nice!! Car came back to us nice and clean.Great service. More
by honeydew3223
Employees Worked With
Service
