Buick and GMC Dealer

Union Park Buick GMC

1704 Pennsylvania Avenue Wilmington, DE 19806 Get directions
  • Sales:(302) 353-1636
  • Service:(302) 353-1633
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Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • Sierra 1500 Customer reviews

    Patrick was great. Got car done earlier than promised. Couldn't have been a better experience .

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    2012 GMC Sierra 1500
  • Enclave Customer reviews

    Staff were friendly, mindful of my needs and exceeded my expectations. Service was timely!

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    2013 Buick Enclave
  • Terrain Customer reviews

    It was quick and painless! The shuttle was fantastic and made my day so much easier (and I wasn't late for work!). I will definitely be back for any service for my car! Thank you!

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    2011 GMC Terrain
  • Terraza Customer reviews

    Everyone was friendly and very honest about what was necessary for my car now and what could wait. I had my little boy with me and staff went out of their way to interact with him. I was very pleased.

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  • Envoy Customer reviews

    As usual I arrived at 7:00 a.m. and the service representative was ready for me. We discussed the today's service, fees and any additional concerns. I was informed of my additional concerns during m

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  • Acadia Customer reviews

    It took almost a month to get an appt. to get my recalls fixed.

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    2013 GMC Acadia
  • Terrain Customer reviews

    Excellent personal and auto service.

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    2010 GMC Terrain
  • Lucerne Customer reviews

    I called for an appointment to have my car detailed, very late last Friday afternoon. In leaving a message, I said it would be fine to call me back the following week, but to my surprise, I got a cal

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  • LaCrosse Customer reviews

    Pat Crowley was especially helpful. It took a few appointments but problem was resolved.

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    2014 Buick LaCrosse
  • G6 Customer reviews

    I dropped off the car, you did what was needed and it was ready on time. You assessed the other issue and gave me the information to determine what I wanted to do to address it. What more do you wan

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Used Vehicles in Wilmington, DE at Union Park Buick GMC

Certified Used Vehicles

Welcome to Union Park Buick GMC!
We Welcome All Newark Buick GMC Customers! 


Union Park Buick GMC in Wilmington, Delaware near West Chester


Welcome to the Union Park Buick GMC website! We are a family-owned Wilmington Buick and GMC dealership and have been in business since 1955! Our business offers experience and reliable service that you can trust. Our website is a great place to browse the newest Delaware Buick models available in New Castle County right now. The site's inventory listings are just the beginning of what we offer, so read on to learn more about how we serve the New Castle and Newark Buick and GMC communities. At Union Park, we're devoted to serving you.

Newark Buick and GMC New Car Dealer Serving All of New Castle County, Delaware

We are located on Route 52 (Pennsylvania Avenue) just one mile off I-95 exit 7 north, 3 miles from Route 141, 7 miles from the Delaware Memorial Bridge and 5 minutes from Route 202. At our Wilmington GMC showroom near New Castle, we make customer satisfaction our number-one priority. More detailed maps and dealership hours are available on our West Chester GMC hours and directions page. Check out the wide varieties of LaCrosse and Enclave with us, making us the best choice for Wilmington and New Castle Buick and GMC customers.

Union Park Buick GMC in Wilmington near Newark goes above and beyond by making it easy to send Delaware GMC quote requests to our trained sales team. Do your own research on available Newark Buick financing and get into the new car of your dreams today! Browse updated pricing on exciting new Buick and GMC models in Newark, like the redesigned Acadia, or the powerful Sierra. We offer our customers the best service as well as the best selection with convenient Saturday sales hours. Please feel free to browse our site for online specials and incentives, or come to our Wilmington location today to experience the Union Park difference!

New Castle Buick Owners Choose Union Park for Comprehensive Service

Why choose Union Park for your West Chester Buick vehicle needs? Because we put our customers first in offering a comprehensive New Castle GMC repair department. Take the drive down to see why West Chester, New Castle and Newark Buick owners choose us when considering a new or used car. You'll see the Union Park difference in action as soon as you walk into our Wilmington Buick showroom.

The LaCrosse is New Castle Buick Customers' Choice for Quality

New Castle GMC and Buick drivers, elevate your ride from just another drive to an experience that embraces all the senses. Surrounded with available innovations like premium entertainment, advanced in-car technology and expertly-tuned handling - check out the all-new LaCrosse today!

At our Wilmington Buick lot, we have a great inventory of used vehicles for those looking for a reliable pre-owned car at an affordable price. Whether you’re searching for a used LaCrosse or a new Enclave for your commute, Union Park's sales specialist will help find what fits your needs.

Service | Parts Order Form | GM Accessories

Buick: Enclave | Encore | LaCrosse | Regal | Verano
GMC: Acadia | Savana Cargo Van | Savana Commercial Cutaway | Savana Passenger Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon XL

New Castle Buick GMC