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Sommer's Buick GMC Subaru
Mequon, WI
1,635 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 1,635 reviews
October 20, 2025
I enjoy having our vehicle serviced at Summers GMC. The service department is friendly and does their very best to make your service experience non stressful. The waiting area is comfortable with co The service department is friendly and does their very best to make your service experience non stressful. The waiting area is comfortable with coffee, tea or water available. I’ve never been disappointed with the Summers service department. More
by Darrell
Employees Worked With
October 19, 2025
Sara is excellent! Her explanation, advice and personal attention to all details is outstanding! My 2016 Outback is now safe and is an excellent vehicle. Her explanation, advice and personal attention to all details is outstanding! My 2016 Outback is now safe and is an excellent vehicle. More
by vollanad
Employees Worked With
Sara
October 18, 2025
Sara was a great service representative, clear communicator, kept me informed of what was needed and its cost, and helpful. The car was ready earlier than expected. Thank you for the complimentary communicator, kept me informed of what was needed and its cost, and helpful. The car was ready earlier than expected. Thank you for the complimentary loaner. More
by jeff.kelly
Employees Worked With
Sara, Service Representative
October 18, 2025
We have been a customer if Sommers Inc for at least 25 years and we have always been very satisfied with the maintaining service and their care. years and we have always been very satisfied with the maintaining service and their care. More
by Byron
Employees Worked With
October 17, 2025
They are all very good. They ask you questions and they listens to you. Love that you get a free car wash after your services They ask you questions and they listens to you. Love that you get a free car wash after your services More
by aheimjr
Employees Worked With
Oil change and tires
October 16, 2025
Friendly, and efficient. They first thought I needed new brake pads after a second review of my brakes it was not necessary. They called me to let me know I can wait yet. Hon They first thought I needed new brake pads after a second review of my brakes it was not necessary. They called me to let me know I can wait yet. Honest! Love it More
by Maribeth
Employees Worked With
Service department
