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John Thornton Buick GMC
Carrollton, GA
436 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!
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This rating includes all dealership reviews, with more weight given to recent reviews.
Sales Price Transparency
Service Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Workmanship
Service Time
Service Communication
Hours
Sales/Showroom
Monday 8:00 AM - 6:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 6:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 6:00 PM
Sunday Closed
Service
Monday 7:30 AM - 6:00 PM
Tuesday 7:30 AM - 6:00 PM
Wednesday 7:30 AM - 6:00 PM
Thursday 7:30 AM - 6:00 PM
Friday 7:30 AM - 6:00 PM
Saturday 8:00 AM - 3:00 PM
Sunday Closed
Parts
Monday 7:30 AM - 6:00 PM
Tuesday 7:30 AM - 6:00 PM
Wednesday 7:30 AM - 6:00 PM
Thursday 7:30 AM - 6:00 PM
Friday 7:30 AM - 6:00 PM
Saturday 8:00 AM - 3:00 PM
Sunday Closed
Top Reviewed Employees
Latest Reviews
November 04, 2025
Purchased a number of vehicles from this dealership and
used the service department for each, they were outstanding on both sales and service.
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by ROBERTHANSEK7226
Employees Worked With
September 23, 2025
We were first time customers and we’ll be back from sales
financing excellent service
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by Michaelteague93
August 19, 2025
Do NOT buy a used car from this dealership.
They knowingly sold me a 2019 GMC Yukon XL with serious issues—including a damaged transmission, faulty motor mounts, and malfunctioning TPMS sensors
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by GTSports1
Dealership Inventory (297 Vehicles)
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
