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Welcome to John Thornton Buick GMC
Looking for a Buick or GMC dealership near Douglasville, Newnan, or Bremen, GA? John Thornton Buick GMC in Carrollton is your local source for new and pre-owned vehicles, backed by a team that knows the lineup inside and out. Our new inventory spans capable trucks like the GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, and Canyon, versatile SUVs including the GMC Terrain and Acadia, and Buick's Enclave, Envision, Envista, and Encore GX. For drivers ready to go electric, we also carry the GMC Sierra EV.
Whether you're shopping new, browsing our pre-owned inventory, or need parts, tires, or accessories, our Carrollton showroom has you covered. Drivers from Heflin, AL and Bremen can browse our new Buick and GMC inventory online first, then make the short trip in — or reach out anytime through our Contact Us page to set up an appointment.
Purchase or Lease — John Thornton Buick GMC Can Help
As your local Buick and GMC dealer, we're happy to help every customer find their perfect fit — whether that's a GMC Sierra 1500 or 3500HD for work, a Terrain or Acadia for the family, or a Buick Enclave or Envision for daily comfort. Our Finance Center works with multiple lenders throughout Carrollton, GA to help find a lease or loan that fits your budget, and you can start the process with our online finance application before you ever step onto the lot.
Consistent Excellence at John Thornton Buick GMC's Service Center
At our service center in Carrollton, serving Bremen and Dallas, GA, you can count on expert care and genuine manufacturer parts for your GMC or Buick. From routine maintenance to major repairs, our technicians service the full current lineup — Sierra 1500, Sierra 2500HD, Sierra 3500HD, Canyon, Terrain, Acadia, Sierra EV, Enclave, Envision, Envista, and Encore GX — with the same attention to detail every time.
If your vehicle is due for an inspection or needs a repair, our service center is open and ready to serve drivers from Douglasville, Newnan, and Heflin, AL. Schedule your service appointment online anytime.
Frequently Asked Questions
Where is John Thornton Buick GMC located?+
John Thornton Buick GMC is located at 1492 N Park St, Carrollton, GA 30117, serving Bremen, Douglasville, Newnan, and Heflin, AL.
What brands does John Thornton Buick GMC sell?+
We're a Buick and GMC dealership, carrying the full current lineup including the GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, Canyon, Terrain, Acadia, and Sierra EV, plus the Buick Enclave, Envision, Envista, and Encore GX.
What are your showroom hours?+
Our showroom is open Monday through Saturday from 8:00 AM to 6:00 PM, and closed Sunday.
What are your service department hours?+
Our service department is open Monday through Friday from 7:30 AM to 6:00 PM, and Saturday from 8:00 AM to 3:00 PM. We're closed Sunday.
Does John Thornton Buick GMC buy or accept trade-ins?+
Yes. You can get a KBB Instant Cash Offer online to value your trade-in, whether or not you're purchasing a vehicle from us.
Can I apply for financing online before visiting the dealership?+
Yes. Our online finance application lets you get started before you visit, and our Finance Center works with multiple lenders to help find a plan that fits your budget.
Does John Thornton Buick GMC service vehicles I didn't buy here?+
Our service center welcomes GMC and Buick owners for maintenance and repairs regardless of where the vehicle was purchased. Genuine manufacturer parts are used for every repair.
What areas does John Thornton Buick GMC serve?+
We serve Carrollton, Bremen, Douglasville, Newnan, and Heflin, AL, along with the surrounding West Georgia area.
How do I schedule a service appointment?+
You can schedule a service appointment online through our service scheduler at any time, or contact us directly to set up a time that works for you.
Learn More About the Different Buick & GMC Models
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John Thornton Buick GMC
1492 N Park St
Carrollton, GA 30117
- Sales: (678) 922-9830
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