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John Thornton Buick GMC

Carrollton, GA

4.7
427 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.
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
4.2
This rating includes all reviews, with more weight given to recent reviews.
Eric Rivera at John Thornton Buick GMC

Eric Rivera

Service Advisor
not yet
rated
Employees need five ratings within 24 months before we can calculate an average rating.

Latest 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

May 17, 2025

Shane was great! He was patient, not pushy.and had all the answers to my questions. I would highly recommend Shane and the dealership! More
by Susan D

Employees Worked With

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

Dealership Inventory (285 Vehicles)

used 2024 GMC Sierra 1500 car, priced at $63,458
2024 GMC Sierra 1500
used
White Frost Tri-Coat exterior
Automatic
Four-wheel Drive
used 2019 GMC Yukon XL car, priced at $23,239
2019 GMC Yukon XL
used
Summit White exterior
Automatic
Rear-wheel Drive
new 2023 GMC Acadia car, priced at $36,705
2023 GMC Acadia
new
Summit White exterior
Automatic
Front-wheel Drive
new 2023 GMC Acadia car, priced at $45,375
2023 GMC Acadia
new
Ebony Twilight Metallic exterior
Automatic
All-wheel Drive
new 2023 Buick Encore GX car, priced at $26,200
2023 Buick Encore GX
new
Moonstone Gray Metallic exterior
CVT
Front-wheel Drive
used 2022 GMC Sierra 2500 car, priced at $46,462
2022 GMC Sierra 2500
used
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