Costas Hernandez
Costas Hernandez at Cobb County Toyota

Costas Hernandez

Service Advisor

Cobb County Toyota

2111 Barrett Lakes Blvd
Kennesaw, GA 30144

4.6
325 Reviews
4.6

325 Reviews

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325 Reviews of Costas Hernandez

May 11, 2026

Dealership Rating
Employee Rating

The first person I encountered in the service department was somebody named Costa. I was already annoyed because I could not get the key out of my ignition for over 18 hours. I pulled into the service garag More

by Klanestiles
Recommend Dealer
No

Other Employees Tagged: Zach Claybrooks

May 10, 2026

Dealership Rating
Employee Rating

Service was fast and the staff was friendly. I couldn't have had a better experience More

by TREVBOOBOOS5494
Service Price Transparency
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Recommend Dealer
Yes

May 01, 2026

Dealership Rating
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I’m so glad that I when to cobb Toyota for service they will help you to keep your car in good condition the service manager there are easy to work with. More

by stevmil71
Service Price Transparency
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Recommend Dealer
Yes

April 30, 2026

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Costas was very knowledgeable and professional. The service was efficient, thorough, and the invoice was as expected. More

by SHERRY8
Service Price Transparency
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Recommend Dealer
Yes

April 20, 2026

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I came in for regular service and asked for a tire (front left tire) with low pressure to be checked. When I got the car back, I was told the tire with low pressure had no problems, that you had filled it wi More

by fisher3330
Service Price Transparency
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Recommend Dealer
No

April 20, 2026

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Coastas was great. Much fairer pricing than world toyota where they tried to rip me off. More

by ncarson3
Service Price Transparency
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Recommend Dealer
Yes

April 10, 2026

Dealership Rating

The sales process was good and Dwayne Scott was a great salesman. The problem came after the sale. A cheap plastic part on my $70,000 vehicle broke in one week and all I got was lip service. Don't expec More

by GREG@CLAYMARKET.COM
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
No

Other Employees Tagged: Dwayne Scott

April 10, 2026

Dealership Rating
Employee Rating

Costas was so sweet and attentive to my financial concerns with auto care expenses. He also assisted with my decision to take advantage of the “buy 3 get one for $1” tire sale….of which I did! Cour More

by forrestecahill
Service Price Transparency
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Recommend Dealer
Yes

April 08, 2026

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Scheduled service and recall services completed at the same time. Drop off and pickup service was very convenient. More

by BG
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Recommend Dealer
Yes

March 30, 2026

Dealership Rating
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There wasn't much of a wait. The service writer helped with all my questions. More

by COOKINJT50
Service Price Transparency
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Recommend Dealer
Yes
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