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Sergio Martell

Overview Reviews (6) Inventory (323)

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Sergio Martell

General Sales Manager

Dalton Hyundai of National City

3150 National City Boulevard
National City, CA 91950

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5.0

6 Reviews

Overview Reviews (6) Inventory (323)

Dealership Experience

1 yr, 8 mos

Industry Experience

17 yrs, 11 mos

Languages Spoken

Spanish

5.0

6 Reviews

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

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6 Reviews of Sergio Martell

April 05, 2026

Dealership Rating

Employee Rating

This Hyundai dealership is very professional, courteous and, most importantly, kind. Since I live less than a mile away from the Hyundai dealership, Angela ordered a Lyft for me, and the driver cancelled. and, most importantly, kind. Since I live less than a mile away from the Hyundai dealership, Angela ordered a Lyft for me, and the driver cancelled. When I called Angela back and told her what happened, she called another Lyft for me. And this time, the driver didn't cancel. Thank you Angela for looking out for me and the other customers that come through those Hyundai doors. More

by braydenise1

Verified Customer

Recommend Dealer

Yes

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

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Apr 05, 2026 -

Dalton Hyundai of National City responded

It’s wonderful to hear our team arranged another ride so you could visit us without delay. We’re grateful you chose your Hyundai and look forward to helping you again.

Apr 08, 2026 -

Dalton Hyundai of National City responded

We are happy to hear everything was squared away when you were able to reach Angela for assistance regarding the Lyft service! We look forward to assisting you at your next service!

April 05, 2026

Dealership Rating

Employee Rating

Was a great experience! I was worried about a couple things and they made sure I was reassured and was able to leave in my dream car. They let me test drive the next trim wh I was worried about a couple things and they made sure I was reassured and was able to leave in my dream car. They let me test drive the next trim which I absolutely fell in love with. I hope that the next time we buy a car we go to them. More

by Maria

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

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Apr 05, 2026 -

Dalton Hyundai of National City responded

Thank you for selecting a new Hyundai Santa Fe HEV and for letting us know how we did. We’re happy Cedric addressed your concerns and that you enjoyed the test drive of the next trim. Enjoy your new vehicle and we look forward to assisting you again.

Apr 08, 2026 -

Dalton Hyundai of National City responded

Hi Maria, thank you for sharing your experience with our sales team and how happy you are with the experience getting into your new car! We will catch you at your first service and hope to continue keeping you in the Dalton family!

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

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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

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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

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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

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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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