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Sommer's Buick GMC Subaru
Mequon, WI
1,675 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 1,675 reviews
March 07, 2026
We had a great experience at Sommers. The staff was very friendly and helpful. Troy Royce was extremely knowledgeable, and he made sure that we understood everything during the process. The staff was very friendly and helpful. Troy Royce was extremely knowledgeable, and he made sure that we understood everything during the process. More
by Louise Bray
March 03, 2026
Excellent staff. ..professional, friendly. Atmosphere when you enter is relaxing…clearly the clients comfort is paramount. ..professional, friendly. Atmosphere when you enter is relaxing…clearly the clients comfort is paramount. More
by Falkmansusan
Employees Worked With
Don’t remember his name but he was great…..excellent people skills
March 01, 2026
Sommer’s service department is knowledgeable and competent. A complimentary vehicle is always provided for longer appointments. I would highly recommend this dealership. competent. A complimentary vehicle is always provided for longer appointments. I would highly recommend this dealership. More
by lynn.molenda
Employees Worked With
Sara
February 27, 2026
I will never buy a car from a different dealership again. The people at Sommer's are so good I bring them treats whenever I am there. We had some work done on our Forester, my third one. Sommer's gave us a b The people at Sommer's are so good I bring them treats whenever I am there. We had some work done on our Forester, my third one. Sommer's gave us a brand new outback as a loaner with no hesitation, my wife drove it home and said wow this only has like six miles on it. Jim Naus is very very professional. Rating would be a 10.. More
by Chris
Employees Worked With
February 25, 2026
I had an opportunity to work with many amazing people at Sommer’s. It was by far the best experience at any dealership I’ve ever had. I traded in my Forrester and made the decision to lease a brand new Forr Sommer’s. It was by far the best experience at any dealership I’ve ever had. I traded in my Forrester and made the decision to lease a brand new Forrester. I.was given an extremely fair deal on my trade-in and an amazing lease. A big thank you to Theresa, Adam and Rio.!! More
by Barbleopold909
February 24, 2026
I'm on my third Forester from Sommer's over 20 years, and wouldn't consider any other car, or dealer. Most recent service call was as professional, prompt and courteous as usual. Thank you, Sommers! wouldn't consider any other car, or dealer. Most recent service call was as professional, prompt and courteous as usual. Thank you, Sommers! More
by laura
Employees Worked With
Kevin in Service
February 24, 2026
Great people, great service at Sommer's! Subaru is the best car brand now days. Subaru is the best car brand now days. More
by vadworkg
Employees Worked With
February 23, 2026
We have buying and servicing our Subarus at Sommers for more than 10 years. They offer continued professional service. more than 10 years. They offer continued professional service. More
by thepolishpianoman
