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John Thornton Buick GMC

Carrollton, GA

4.8
433 Reviews
PROVIDING VEHICLES, SERVICE, AND PARTS TO CARROLL COUNTY, DOUGLAS COUNTY AND SURROUNDING AREAS TO CADILLAC, BUICK, AND GMC CUSTOMERS John Thornton Buick GMC is proud to be your Buick GMC Dealer for all of West Georgia by providing quality automotive services and unrivaled customer service. We're guaranteed to have the perfect vehicle to suit your lifestyle and budget requirements in our impressive selection of new Buick, GMC, or Cadillac vehicles and used vehicles. At John Thornton, our philosophy has always been to foster long-term relationships with our customers. When you're searching for new Buick, GMC, or Cadillac models, quality used vehicles, affordable loan and lease options, routine maintenance, auto repair, or genuine OEM auto parts, head to John Thornton Buick GMC in Carrollton!
Contact Dealership

1492 N Hwy 27

Carrollton, GA

30117

Directions

Top Reviewed Employees

Andrew Coker at John Thornton Buick GMC

Andrew Coker

Finance Manager
5.0
This rating includes all reviews, with more weight given to recent reviews.
Joanna Thigpen at John Thornton Buick GMC

Joanna Thigpen

Finance Manager
5.0
This rating includes all reviews, with more weight given to recent reviews.
Isaiah Jones at John Thornton Buick GMC

Isaiah Jones

Product Specialist
4.9
This rating includes all reviews, with more weight given to recent reviews.
Tanya Byers at John Thornton Buick GMC

Tanya Byers

Service Advisor
4.6
This rating includes all reviews, with more weight given to recent reviews.

Latest Reviews

August 15, 2025

Everything was great except for the fact that the service writer only checked my truck for I think 2 codes when there were originally 4~6 codes DTC that I had written down when the vehicle left me stranded a More
by David Lunsford

Employees Worked With

Tanya Byers
2.0
This rating includes all reviews, with more weight given to recent reviews.

August 07, 2025

Really enjoyed my car buying experience with Isaiah. He made it smooth and easy. Listened to my wants and found me the perfect car! More
by K10burd

Employees Worked With

Andrew Coker
5.0
This rating includes all reviews, with more weight given to recent reviews.
Isaiah Jones
5.0
This rating includes all reviews, with more weight given to recent reviews.

August 07, 2025

I had an awesome experience at this dealership. I was helped by Isaiah (Jones I believe) and he was so detailed and thorough and knowledgeable about what we saw. I will definitely do all my busines More
by darylgeorge95

Employees Worked With

Isaiah Jones
5.0
This rating includes all reviews, with more weight given to recent reviews.

Dealership Inventory (305 Vehicles)

used 2023 Chevrolet Colorado car, priced at $38,769
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new 2023 Buick Envision car, priced at $30,215
2023 Buick Envision
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Cinnabar Metallic exterior
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used 2021 GMC Sierra 1500 car, priced at $25,743
2021 GMC Sierra 1500
used
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Rear-wheel Drive
new 2023 GMC Acadia car, priced at $48,840
2023 GMC Acadia
new
Summit White exterior
Automatic
Front-wheel Drive

Photos & Amenities

  • After Hours Drop-Off
  • Authorized Accessories Store
  • Authorized Parts Store
  • Cable TV
  • Children's Play Room
  • Customer Lounge Area
  • Free Coffee
  • Free Drinks
  • Free WiFi
  • Home Delivery
  • No Contact Transactions
  • Pet Friendly
  • Quick Lube
  • Service Pickup and Delivery
  • Shuttle Service
  • Television
  • Vending Machines
  • Virtual Appointments