Buick and GMC Dealer

Contact Information

  • Sales:(302) 353-1636
  • Service:(302) 353-1633
Our Sales Team is Here: 
Mon-Fri 9am to 9pm 
Sat 9am to 5pm 

Dealer Specials


Map and Directions

Used Vehicles in Wilmington, DE at Union Park Buick GMC

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

Union Park Buick GMC in Wilmington - Newark & New Castle Buick GMC Alternate

Welcome to the Union Park Buick GMC's 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 near 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, Newark and West Chester Buick and GMC communities. At Union Park, we're devoted to serve you.

Wilmington Dealer Serving New Castle Buick & GMC Customers

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 West Chester GMC and Buick 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!

West Chester, Delaware & New Castle Preferred Buick GMC Service Center in Wilmington

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: AcadiaCanyon | Savana Cargo Van | Savana Commercial Cutaway | Savana Passenger Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon XL

New Castle Buick GMC