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John Thornton Buick GMC

Carrollton, GA

4.7
428 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

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.
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.
Tanya Byers at John Thornton Buick GMC

Tanya Byers

Service Advisor
4.9
This rating includes all reviews, with more weight given to recent reviews.
Nathan Teal at John Thornton Buick GMC

Nathan Teal

New and Used Sales Professional
4.4
This rating includes all reviews, with more weight given to recent reviews.

Latest Reviews

July 09, 2025

Awesome experience. This was our second purchase from John Thorton. Nathan was great and made sure we got the exact SUV we were looking for, including what we wanted in More
by FLASHG24

Employees Worked With

Joanna Thigpen
5.0
This rating includes all reviews, with more weight given to recent reviews.
Nathan Teal
5.0
This rating includes all reviews, with more weight given to recent reviews.

June 30, 2025

Absolutely the best, friendly dependable service. I would highly recommend John Thornton GMC. It is a pleasure doing business here. More
by sherri.mcewen

Employees Worked With

Eric Rivera
5.0
This rating includes all reviews, with more weight given to recent reviews.
Tanya Byers
5.0
This rating includes all reviews, with more weight given to recent reviews.
Dean Manston
5.0
This rating includes all reviews, with more weight given to recent reviews.

June 10, 2025

It was a great experience buying. Luke worked hard to earn my business. Hopefully this will be our go to dealership from now on. Everyone there made the process very efficient and ple More
by Williamson

Employees Worked With

Joanna Thigpen
5.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : Luke Darby

Dealership Inventory (300 Vehicles)

used 2021 Cadillac Escalade car, priced at $61,734
2021 Cadillac Escalade
used
Satin Steel Metallic exterior
Automatic
Four-wheel Drive
new 2023 Buick Enclave car, priced at $46,135
2023 Buick Enclave
new
Moonstone Gray Metallic exterior
Automatic
Front-wheel Drive
used 2024 GMC Sierra 3500 car, priced at $92,974
2024 GMC Sierra 3500
used
Gray exterior
Automatic
Four-wheel Drive
new 2023 GMC Sierra 1500 car, priced at $46,000
2023 GMC Sierra 1500
new
Summit White exterior
Automatic
Four-wheel Drive
used 2021 Land Rover Defender car, priced at $45,225
2021 Land Rover Defender
used
Hakuba Silver exterior
Automatic
Four-wheel Drive
new 2023 GMC Sierra 1500 car, priced at $61,590
2023 GMC Sierra 1500
new
Summit White exterior
Automatic
Four-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