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Explore Our Models

Enclave
Enclave
Encore GX
Encore GX
Envision
Envision
Envista
Envista
Terrain
Terrain
Acadia
Acadia
Yukon
Yukon
Yukon XL
Yukon XL
Canyon
Canyon
Sierra 1500
Sierra 1500
Sierra HD
Sierra HD
Sierra EV
Sierra EV
HUMMER EV SUV
HUMMER EV SUV
HUMMER EV Pickup
HUMMER EV Pickup
Savana
Savana
EMPLOYEE PRICING FOR EVERYONE 0% APR for well-qualified buyers.1 That is a $13,042 Total Value.2 Includes $8,045 EMPLOYEE DISCOUNT + $4,997 AVERAGE FINANCE SAVINGS.
1. Length of contract limited. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 2. Based on MSRP of $84,910. Length of contract limited. Some customers will not qualify. Savings based on Bankrate of 5.22%. At participating dealers only. Not available with lease and some other offers. Take new retail delivery by 8/3/26.
0.9% APR FOR WELL-QUALIFIED BUYERS.1 Plus, up to $2,250 PURCHASE ALLOWANCE for current eligible non-GM owners/lessees.2 Plus, no monthly payments for 90 days.3
1. Length of contract limited. Must finance through GM Financial. Some customers July not qualify. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 2. MUST BE A CURRENT OWNER OF A 2012 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2021 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers July not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 8/3/26.
4.9% APR for well-qualified buyers.1 Plus, $2,000 PURCHASE ALLOWANCE.2 Plus, no monthly payments for 90 days.3
1. Length of contract limited. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 2. Not available with some other offers. Take new retail delivery by 8/3/26. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 8/3/26.
Enjoy the ease of a hands-free drive with available Super Cruise driver assistance tech
OnStar® plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Not all vehicles may transmit all crash data. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. Subject to user terms. See onstar.com for details and limitations.
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Buick and GMC Certified Pre-Owned logos

Each Buick/GMC Certified Pre-Owned vehicle is thoroughly inspected and reconditioned and includes factory-backed limited warranties and roadside assistance.

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Boucher Buick GMC of Waukesha storefront

Buick GMC Dealer in Waukesha, WI

Boucher Buick GMC is a premier Buick dealer and GMC dealer in Waukesha, WI. Waukesha WI is located just on the border of Brookfield WI and just a short drive from downtown Milwaukee WI. Whether you're searching for new vehicles like the Buick Enclave, Buick Encore GX, Buick Envision; GMC Acadia, GMC Terrain, GMC Yukon, GMC Yukon XL, GMC Canyon, or GMC's top-selling truck, the Sierra; with options including the GMC Sierra 1500, GMC Sierra 2500HD, or the GMC Sierra 3500HD, along with a large selection of diesel trucks for sale, Boucher Buick GMC of Waukesha wants to be your first choice of Wisconsin Buick Dealership and Wisconsin GMC Dealership.

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Boucher Buick GMC of Waukesha Certified Service

Your vehicle deserves expert care from the people who know it better than anyone else. We employ factory-trained technicians who use state-of-the-art technology and equipment to help you keep your vehicle running like new.Trust your vehicle to the Certified Service experts. Simply click on the tab or call to schedule an appointment today.

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GM Certified Service

Our Reviews

DealerRater Mar 27, 2026

Had to reschedule twice due to illness. Tay was very understanding and accommodating. Prompt phone call was appreciated.

DealerRater Mar 27, 2026

Very helpful. Was worried about financing and no one left me to feel bad about it. And got me financing.

DealerRater Mar 27, 2026

See ]previous text. Bill was outstanding & extremely helpful. Boucher is a brand i trust. Entire experience was perfect.

DealerRater Mar 25, 2026

Very professional Very friendly. A subsequent follow-up visit guided us through additional setup of the infotainment system

DealerRater Mar 22, 2026

Was quick and easy Was quick,easy and very professional from start to finish Was quick,easy and very professional from start to finish. I would highly recommend.

DealerRater Mar 22, 2026

Great job! Service went very smoothly. Taylor, who worked on my vehicle, was outstanding. He was knowledgeable, professional, and took the time to clearly explain everything that needed attention. I truly appreciated his honesty and attention to detail—it gave me confidence that my vehicle was in great hands. The service was completed efficiently, and my Yukon is running perfectly. The entire process was smooth, and the customer service exceeded my expectations.

DealerRater Mar 14, 2026

It was a good experience and would recommend I would buy another vehicle from them again

DealerRater Mar 14, 2026

Tanner is great and made the experience a quick, easy and enjoyable one I will be back

DealerRater Mar 13, 2026

Great service department fast and friendly also accommodating with whatever you need best dealership around without question.

DealerRater Mar 12, 2026

Very friendly very knowledgeable very fair Nick was very knowledgeable very friendly, very helpful. We are older adults and he made the experience easy.

DealerRater Mar 11, 2026

Very knowledgeable and helpful. Took time to explain the technology of the car and I was very satisfied with the car.

DealerRater Mar 7, 2026

I was very happy with the dealership and Jeff Fisher. Everything went smoothly. Would definitely recommend them.

DealerRater Mar 6, 2026

Nice vehicles ,but little pushy with financing stuff when we wanted to do our own financing.

DealerRater Mar 6, 2026

Everything was quick and easy. They were friendly and courteous. They were able to get the part in 2 days and installed it in under 2 hours.

DealerRater Mar 5, 2026

Excellent The staff is always courteous and professional. The staff is always courteous, professional and on point with service.

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Main (262) 409-2600 Parts (262) 254-6858 Sales (262) 649-9246 Service (262) 672-4215
1907 E Moreland Blvd
Waukesha, WI 53186
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Boucher Buick GMC of Waukesha 43.0268, -88.1931.