Welcome To Hennessy Buick GMC

Welcome to Hennessy Buick GMC of Southlake in Morrow, GA

Hennessy Buick GMC is your Morrow Buick and GMC dealer serving Stockbridge, Fayetteville, Jonesboro and Atlanta, where shopping for a new or used vehicle is easy and exciting. Here at our dealership, we strive to make your buying experience even more convenient by showcasing an easy-to-use website with all of the tools that you need for your search. Take a look through our online inventory of over 900 new & pre-owned vehicles and discover the Buick or GMC vehicle that’s just right for you!

Purchase a New or Used Vehicle Near Atlanta, GA

Hennessy Buick GMC offers a wide selection of quality vehicles to buyers across the area. So, whether you are in search of a car, truck, or SUV, you’re sure to find what you’re looking for at our dealership.

Would you like to cruise through the city in a stylish sedan? Consider purchasing a new Buick Verano, Cascada, or Lacrosse. Is a spacious family vehicle a priority on your list? Hop into a new Buick Encore, GMC Acadia, or GMC Terrain. No matter what you’re in the market for, our new vehicle inventory has options that are sure to satisfy.

If a used vehicle is more your speed, we’ve got you covered in that area as well. Check out our used vehicle inventory and discover a collection of quality cars, trucks, and SUVs listed at a great price. Each vehicle featured at our dealership, new or used, has undergone a thorough inspection to ensure that it is of the utmost quality. Therefore, you can drive with confidence, knowing that you are traveling in a vehicle that you can trust.

When searching for a powerful vehicle with high-quality performance, the possibilities are almost-endless here at Hennessy Buick GMC.

Finance Your Buick or GMC Near Stockbridge, Fayetteville, Jonesboro and Atlanta

Atlanta Buick and GMC shoppers, when you have decided on a new or pre-owned Buick and GMC and are looking for financing services, look no further. The professionals here at Hennessy Buick GMC in Morrow can help you discover the right solution to meet your needs. We proudly provide buyers with the best financing deals available. Whether you are looking to buy or lease a new or used vehicle, or just exploring leasing or financing for the first time, our finance and credit experts are here to help.

Feel free to kick-start your buying and financing process by completing the secure financing application form online. Morrow, Stockbridge, and Atlanta drivers, your next vehicle is only a short distance away!


After traveling in your vehicle from day to day, it’s going to require service at some point. Hennessy Buick GMC in Morrow is the place to go for your auto service needs. Our knowledgeable professionals will happily go the extra mile to ensure that your vehicle is in tip-top shape. So, when it’s time for an oil change, tire rotation, or brake service, trust us to handle your maintenance with excellence.

Does your vehicle require an extensive repair service? With a body shop, tires, and parts on-site, you can do it all right here. Order your parts and accessories online and schedule your service appointment by completing the service request form. This way, you can beat the rush and get back on the road in no time!

Looking for a Buick, GMC, or Mazda? Come to Hennessy Mazda Buick GMC to Explore Everything We Have to Offer


When it's time to buy another vehicle, whether new or used, the most important thing is to find a high-quality vehicle made by a company known for its craftsmanship and quality. This is just one of many reasons to stop at Hennessy Mazda Buick GMC to check out our great selection of Buick, GMC, and Mazda vehicles. We're here to answer any questions you may have. We can also arrange a test drive in any vehicles that may interest you.

New & Used Inventory

We offer both new and used Buick, GMC and Mazda vehicles.

With these three brands, you can be sure you'll find the vehicle you want because there are so many options. Mazda offers compacts, sedans, crossovers, and SUVs. With Buick, you'll find midsize cars like the Regal or several SUV models. GMC is the section you may want to check out if you're looking for a reliable used or a new truck. Our used vehicles are all in good shape and ready to go. They also have some attractive price tags.

Finance Options

Obtaining financing for an auto loan can be very frustrating if you've never done it before. Our finance team will help you with obtaining finance and lease options. We work with local banks on an almost daily basis and will strive to get you the best deal possible, not just on interest but also on loan terms.

When you drive off the lot in your new vehicle, we want you to be confident and happy with the deal you received.

Parts & Service

If you've ever tried to buy a part for your vehicle only to discover it can't be found, you know the frustration. What's even more frustrating is when the store tries to sell you an after-market part that "should fit" your vehicle only to get home and discover it doesn't fit. You'll never experience that with us because we service the vehicles we sell and always use original parts designed for that specific vehicle. We will not try to sell you parts just to make a sale.