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Sommer's Buick GMC Subaru
Mequon, WI
1,636 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 1,636 reviews
July 25, 2025
Such a wonderful first visit. Friendly staff, knowledgeable and fully transparent. Video tour of the work being done, free car wash, expected cost up front, coffee, quiet lounge. Friendly staff, knowledgeable and fully transparent. Video tour of the work being done, free car wash, expected cost up front, coffee, quiet lounge. What a delight! More
by Romanempire398
Employees Worked With
Mitchell
July 24, 2025
Erica was delightful to work with! She explained things well. Nice waiting area. It was easy to catch up on work in the space provided. She explained things well. Nice waiting area. It was easy to catch up on work in the space provided. More
by Susan
Employees Worked With
Erica - 5 stars
July 22, 2025
This is the second time I've bought a certified pre-owned Subaru from Jim Naus. He was very professional, easy going, and made the trade-in and purchasing process very straightforward. I've had nothing but Subaru from Jim Naus. He was very professional, easy going, and made the trade-in and purchasing process very straightforward. I've had nothing but positive experiences with Sommer's Subaru over the past year. More
by aamirq
Employees Worked With
July 16, 2025
I came in to get my oil changed and they always are great at checking everything over. They mentioned I needed new wipers because one was torn… I agreed and so they only replaced one wiper, they only charged at checking everything over. They mentioned I needed new wipers because one was torn… I agreed and so they only replaced one wiper, they only charged me for one …which was good… However, I don’t understand why they just wouldn’t change both together. My car is a 2023 so I believe replacing both at the same time would make sense. More
by Goebeldreams
Employees Worked With
July 07, 2025
Always professional and courteous. Estimated times are typically met and service is done promptly. Staff is considerate to my time constraints. Estimated times are typically met and service is done promptly. Staff is considerate to my time constraints. More
by richbub218
Employees Worked With
June 30, 2025
Everyone is very nice and helpful. They help you understand how things work with the vehicle. I also like when they have tips and tricks. They help you understand how things work with the vehicle. I also like when they have tips and tricks. More
by Roslandcj
