Joanna Thigpen
Joanna Thigpen at John Thornton Buick GMC

Joanna Thigpen

Finance Manager

John Thornton Buick GMC

1492 N Hwy 27
Carrollton, GA 30117

4.3
20 Reviews
4.3

20 Reviews

Write a Review

20 Reviews of Joanna Thigpen

September 23, 2025

Dealership Rating
Employee Rating

We were first time customers and we’ll be back from sales financing excellent service More

by Michaelteague93
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: RODNEY WALKER, Dean Manston

August 19, 2025

Dealership Rating
Employee Rating

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 More

by GTSports1
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
No

July 09, 2025

Dealership Rating
Employee Rating

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
Recommend Dealer
Yes

Other Employees Tagged: Nathan Teal

June 10, 2025

Dealership Rating
Employee Rating

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
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Luke Darby

March 18, 2025

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Employee Rating

I recently had the pleasure of purchasing a 2025 GMC Sierra Denali from John Thornton Cadillac GMC, and I couldn’t be happier with the experience. From the moment I arrived, the atmosphere was warm and More

by Stephen
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Luke Darby

July 19, 2024

Dealership Rating
Employee Rating

I just bought another car today adding to many from the past. From Jon Day and for years now I've been referring people to Jon because let's face it buying cars can be dangerous business. I'm mean some pla More

by clint.madden
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Jon Day, Shane Oldham

December 23, 2023

Dealership Rating
Employee Rating

I had a great buying experience with Isaiah and Anthony. Didn’t feel pushed at all to make a decision and it was an easy conversation. More

by mike_luoma
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

May 06, 2023

Dealership Rating
Employee Rating

Isaiah was an amazing person to work with! I would refer him to family and friends! More

by sasha.brown
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Isaiah Jones

March 04, 2021

Dealership Rating
Employee Rating

Great service and friendly sales rep. Had to wait to long to get vehicle ready for pick up after letting salesperson know that we will be picking up vehicle the next day or next day after that. More

by VANNBLACK
Customer Service
Friendliness
Quality Of Work
Recommend Dealer
Yes

Other Employees Tagged: Matthew Lipscomb , Shannon Cheatwood

Mar 05, 2021

John Thornton Buick GMC responded

Thank you for your feedback and allowing us to assist you with your purchase!

January 23, 2021

Dealership Rating
Employee Rating

I have been a customer of this dealership since 1966. I bought my first car from Grady Walker, and the dealership is still a great place for me to buy a car. This time: “thanks Train”. More

by LEXONJON
Recommend Dealer
Yes

Other Employees Tagged: Ryan Dodson, Matthew Lipscomb, Michael Conner , Shannon Cheatwood

Jan 26, 2021

John Thornton Buick GMC responded

Thank you for your review and your continued business! We are so glad that we have always been able to assist you with your vehicle needs and look forward to assisting you in the future.

1

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