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Sergio Martell

Overview Reviews (24) Inventory (248)

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Sergio Martell

Sergio Martell | Page 3

General Sales Manager

Dalton Hyundai of National City

3150 National City Boulevard
National City, CA 91950

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4.5

24 Reviews

Overview Reviews (24) Inventory (248)

Dealership Experience

2 yrs

Industry Experience

18 yrs, 3 mos

Languages Spoken

Spanish

4.5

24 Reviews

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This rating includes all reviews, with more weight given to recent reviews.

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24 Reviews of Sergio Martell

March 16, 2026

Dealership Rating

Employee Rating

Dealership in the staff was awesome. They definitely worked on helping me work out the best deal possible for me and my family. They definitely worked on helping me work out the best deal possible for me and my family. More

by pjarin

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore, Monica Salem

Mar 16, 2026 -

Dalton Hyundai of National City responded

We’re thrilled our team could help you and your family find the right arrangement on your new Hyundai Santa Fe HEV. Thank you for your kind words, and we look forward to supporting you again.

Mar 17, 2026 -

Dalton Hyundai of National City responded

Thank you for giving us the opportunity! We’re so pleased to hear that our team took great care of you and helped find the best deal for you and your family. Providing a supportive and positive experience is always our goal. We truly appreciate your trust in Dalton Hyundai and look forward to seeing you again!

March 10, 2026

Dealership Rating

Employee Rating

Very good service like the atmosphere and the other two of the people are I would definitely recommend thanks of the people are I would definitely recommend thanks More

by ILANA555555

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo

Mar 10, 2026 -

Dalton Hyundai of National City responded

Thank you for recommending us. We’re glad you enjoyed the atmosphere and service from our team. Congratulations on your new Hyundai Elantra, and we look forward to helping you again.

Mar 16, 2026 -

Dalton Hyundai of National City responded

Thank you for the great review! We’re glad you enjoyed the atmosphere and the service from our team. Your recommendation means a lot to us. Congrats on your Elantra! Thank you for choosing Dalton Hyundai, we look forward to seeing you again!

March 09, 2026

Dealership Rating

Employee Rating

Jonny was great, very nice and knowledgeable young man. Fast process will be back when my car is paid off. Fast process will be back when my car is paid off. More

by Mark.94.edward

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo

Mar 09, 2026 -

Dalton Hyundai of National City responded

We’re delighted to hear that buying your new Hyundai Elantra was both informative and efficient. Thank you for your kind feedback, and we look forward to welcoming you back down the road.

Mar 16, 2026 -

Dalton Hyundai of National City responded

We're happy to hear Johnny provided such a nice and knowledgeable experience for you. It's also great to know the process was quick and smooth. We appreciate your support and look forward to welcoming you back when the time comes for your next vehicle. Enjoy the ride!

March 07, 2026

Dealership Rating

Employee Rating

Like the coffee😂 and always explain the problem of my old hyundai accent 2015. Thank for that old hyundai accent 2015. Thank for that More

by diamat_gerardo

Verified Customer

Purchase Time

Recommend Dealer

Yes

Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo , Angelica

Mar 07, 2026 -

Dalton Hyundai of National City responded

Thank you for letting us know you enjoyed our coffee and found our explanations of your 2015 Hyundai Accent’s issues clear. We appreciate your five-star rating and look forward to assisting you again.

Mar 16, 2026 -

Dalton Hyundai of National City responded

Thank you! We are pleased to hear you enjoyed our delicious coffee while equally entrusting us in your car's service needs! See you again here at Dalton Hyundai!

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