Union Park Buick GMC

Union Park Buick GMC As a family-owned Wilmington, DE dealership, we provide unmatched service and the friendliest team to Welcome to Union Park Buick GMC! Want to pamper your car?

Let us help you find the car of your dreams. We offer brand new models like the Buick Verano, Lacrosse, Regal, Enclave, and Encore, as well as the GMC Sierra, Canyon, Acadia, and Terrain. We also have a great selection of certified pre-owned and used vehicles of all makes and models. Explore our extensive inventory at www.unionparkbuickgmc.com, or visit our showroom at 1704 Pennsylvania Avenue in

Wilmington, Delaware! Need service on your Buick or GMC? Our high trained and qualified service team will do the job right! We offer maintenance servicing, auto repairs, collision repair, and auto body work. Try our Auto Spa! From hand washing to full detailing inside and out, the Auto Spa gives your vehicle the care it deserves. Free shuttle service is available to local areas while we work on your vehicle. Located in Wilmington, Delaware, our family-owned dealership proudly serves New Castle, Greenville, Newark, Elsmere, Claymont, Hockessin, and more. Contact us today at (302) 658-7245. We look forward to working with you! Sales: (302) 429-5630
Service: (302) 573-5267
Auto Spa: (302) 429-5611
Collision Center: (302) 573-5269

06/18/2026

Before you pick your next GMC in Wilmington, here's what most drivers ask: Do you really need V8 power? As your local, family-owned dealership, we hear this question all the time. Our trusted team is here to guide you—ensuring top performance and outstanding care every step of the way. Want to know if a V8 fits your needs? Stop by in Wilmington or schedule a test drive online—our team’s here to help, no pressure.

06/16/2026

Before you buy, take it for a spin—on your own terms. As your trusted, family-owned Wilmington dealership, we’ll make it easy and pressure-free. Visit us anytime for outstanding care—or save this tip for when you’re ready!

06/12/2026

The wait is over. 🔥
This pre-owned 2024 Chevrolet Corvette Z06 3LZ is the kind of car that turns every drive into an event.
Powered by a hand-built 670-hp LT6 V8 with an 8,600-rpm redline, the Z06 delivers the sound, speed, and excitement of an exotic—without the exotic badge. Inside, the 3LZ package surrounds you with premium materials, performance-focused technology, and race-inspired design.
🏁 670 HP LT6 Flat-Plane Crank V8
🏁 8,600 RPM Redline
🏁 Premium 3LZ Interior
If you’ve been waiting for the right Corvette, this is your sign.
📍 Available now at Union Park Buick GMC—but don’t expect it to stay long.

06/11/2026

Before you buy your next truck, here’s what Wilmington drivers ask for most: comfort, smart features, and the dependable quality Union Park is known for. Our GMC lineup delivers all three—plus the outstanding care you expect from your trusted local team. Stop by in Wilmington or browse online—we’re here to help you find the right fit.

06/09/2026

Thinking about upgrading your ride? The new Sierra is set to deliver even more power and performance—perfect for your Delaware adventures. Our trusted team here in Wilmington is ready to answer your questions or help you explore the latest features. Curious what sets the Sierra apart? Stop by or give us a call—we’re here to help.

06/09/2026

2026 GMC Sierra EV Elevation Extended Range. An impressive EPA –estimated 410-mile range, up to 645 hp, and 12,500 pounds of towing capacity.💪

06/04/2026

Thinking about a Sierra 1500? The GMC truck everyone knows and trusts is getting a bold new redesign—built for Delaware drivers, backed by our trusted Union Park Buick GMC family team. Ready to see what’s new? Stop by our Wilmington showroom or message us—our experts are happy to walk you through every detail.

05/29/2026

We love supporting our team both inside and outside the dealership! 🎶

Our very own Union Park Buick GMC Client Advisor, Ty Mathis, will be hitting the stage with his band tomorrow night at Wilmington Brew Works from 6:00 PM – 9:30 PM! 🍻🎸

If you’re looking for great music, good vibes, and a fun night out, be sure to stop by and show Ty some support!

📍 Wilmington Brew Works
🗓 Tomorrow Night - Sat., May 30
⏰ 6:00 PM – 9:30 PM

Way to represent the Union Park family, Ty! 👏

05/28/2026

Think car shopping has to be stressful? Not with us. At Union Park Buick GMC—your family-owned Wilmington dealership—we see informed car buyers every day, and we’re here to make your experience easy and supported. Got questions or want a no-hassle visit? Stop by or contact our trusted team—we’re here to help every step of the way. Save this for your next car search or share with a friend who could use a smooth experience!

05/26/2026

Before you shop online, here’s what you should know: real transparency is about upfront, honest pricing—no surprises when you visit us in Wilmington. As a family-owned dealership, we believe in making every step easy and clear for you. Have a question? Stop by or message our trusted team—we’re here to help.

Address

1800 Pennsylvania Avenue
Wilmington, DE
19806

Opening Hours

Monday 9am - 9pm
Tuesday 9am - 9pm
Wednesday 9am - 9pm
Thursday 9am - 9pm
Friday 9am - 9pm
Saturday 9am - 5pm

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