Dealer Reviews
Cars for Sale
Dealer Log In
Sergio Martell
Sergio Martell
General Sales Manager
Dalton Hyundai of National City
3150 National City Boulevard
National City, CA 91950
24 Reviews
Dealership Experience
2 yrs
Industry Experience
18 yrs, 3 mos
Languages Spoken
Spanish
24 Reviews
Write a Review
24 Reviews of Sergio Martell
August 20, 2026
The people it’s this place are gentle, they answer my questions and we get a car from there. questions and we get a car from there. More
by Patricia Villegas
Verified CustomerOther Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore
August 16, 2026
Dalton will try to sell you a used car as new. Literally attempted to switch a new car with a demo car and say it was the same car. Then after you negotiate a price when you go to financing it som Literally attempted to switch a new car with a demo car and say it was the same car. Then after you negotiate a price when you go to financing it some how changes to a higher price. Absolutely unscrupulous dealer. More
by Kjdvlb1
Other Employees Tagged: Cedric Butler, Gerardo Romo, Mark Moore, Monica Salem
August 08, 2026
I was impressed by how thorough checking in and out was. Excellent service by all. Excellent service by all. More
by smithid
Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore, Monica Salem, Adriana Martinez
August 07, 2026
I had a great experience buying my car at Dalton Hyundai. Everyone was friendly, helpful, and made the process easy and stress free. Everyone was friendly, helpful, and made the process easy and stress free. More
by lissetp17
Other Employees Tagged: Cedric Butler, Mark Moore
July 19, 2026
My car buying experience at Dalton Hyundai was truly professional and they gave me the best deal possible professional and they gave me the best deal possible More
by mikeardenphillips
Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore, Monica Salem, Adriana Martinez , Jose (lot attended)
July 17, 2026
I had an amazing experience at Dalton Hyundai of national city. Excellent customer service! I would definitely recommend. Especially Andres the salesman. city. Excellent customer service! I would definitely recommend. Especially Andres the salesman. More
by ABBYUDAVE5
Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore, Monica Salem, Adriana Martinez , Andres
July 14, 2026
Excellent service! Very attentive! Thank you! Dalton Hyundai of National City this is now 15 words long Very attentive! Thank you! Dalton Hyundai of National City this is now 15 words long More
by itaenglish
Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore, Monica Salem, Adriana Martinez
June 04, 2026
i've dealt with multiple dealers in AZ and let me tell you, first-time CA buyer and had a great experience, Chris my sales rep was top of the line, all questions answered. Mark the sales manager made sure you, first-time CA buyer and had a great experience, Chris my sales rep was top of the line, all questions answered. Mark the sales manager made sure my service experience was outstanding. Sergio the GM was even present and had a very pleasant conversation. You guys deserve to be named CA top service experience. Thank you fellas! More
by yonathan0
Other Employees Tagged: Cedric Butler, Mark Moore
June 02, 2026
Very kind, too much clean. Thank you for your support. I will visit next time. Thank you for your support. I will visit next time. More
by Jiho park
Other Employees Tagged: Cedric Butler, Rick Griffin, Gerardo Romo, Mark Moore, Monica Salem , Alyssia valdez
May 21, 2026
Great dealer - knowledgeable and professional sales, management and finance staff! They delivered a great product in a comfortable environment. Highly recommend. management and finance staff! They delivered a great product in a comfortable environment. Highly recommend. More
by djbreithaupt
Other Employees Tagged: Sale and finance persons
