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Duc Nguyen

Overview Reviews (118) Inventory (155)

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Duc Nguyen

Finance

Diamond Chevrolet of San Bernardino

909 W 21st Street
San Bernardino, CA 92405

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4.8

118 Reviews

Overview Reviews (118) Inventory (155)

Dealership Experience

2 yrs, 6 mos

Industry Experience

14 yrs, 3 mos

4.8

118 Reviews

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

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118 Reviews of Duc Nguyen

May 31, 2026

Dealership Rating

Employee Rating

good service good welcomed fast service and response updates on deals fast and good communication response updates on deals fast and good communication More

by Luis Rodriguez

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Jonathan DeSimoni, Ruben Bugarin Ramos , Marvin

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Jun 01, 2026 -

Diamond Chevrolet of San Bernardino responded

Thank you for your kind words, Luis! I truly appreciate your feedback about the good service and communication you experienced. It's wonderful to hear that you felt welcomed and informed throughout the process. We look forward to assisting you again in the future! Sincerely, Luis A Rojas - General Sales Manager lrojas@daliaauto.com 909-883-8833

May 19, 2026

Dealership Rating

Employee Rating

Great service! Dealership is changing to the right direction!! New management team!! Let's support our local Dealership!!! Dealership is changing to the right direction!! New management team!! Let's support our local Dealership!!! More

by hectorchevy22

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Jonathan DeSimoni, Ruben Bugarin Ramos, Trish Wilson, Joseph Gotti, Gustavo Gonzalez, Dylan Maraj, Adrian Gonzalez

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May 20, 2026 -

Diamond Chevrolet of San Bernardino responded

Thank you for your kind words, Hector! I’m thrilled to hear that you had a great experience at Diamond Chevrolet of San Bernardino. I’m excited about the positive changes happening with our new management team and appreciate your support for our local dealership. Looking forward to serving you again in the future! Sincerely, Luis A Rojas - General Sales Manager lrojas@daliaauto.com 909-883-8833

April 30, 2026

Dealership Rating

Employee Rating

Salesman was really nice and helpful. I would recommend Diamond Chevrolet to a friend. Staff was all nice! I would recommend Diamond Chevrolet to a friend. Staff was all nice! More

by aaronvargas004

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Jonathan DeSimoni, Ruben Bugarin Ramos, Trish Wilson, Joseph Gotti, Gustavo Gonzalez, Dylan Maraj, Adrian Gonzalez, Kevin Dominguez

Report | Print

Apr 30, 2026 -

Diamond Chevrolet of San Bernardino responded

Thank you for your kind words, Aaron! I’m happy to hear that our team was able to assist you and that you would recommend Diamond Chevrolet of San Bernardino to others. We appreciate your support and look forward to seeing you again soon! Sincerely, Luis A Rojas - General Sales Manager lrojas@daliaauto.com 909-883-8833

April 16, 2026

Dealership Rating

Employee Rating

The service was much better and the representative was very helpful and respectful thank you very helpful and respectful thank you More

by mariamarin080259

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Jonathan DeSimoni, Timothy Kubo, Elizabeth Ornelas, Trish Wilson, Adrian Gonzalez , Jeramie Diaz, Jason Johnson

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Apr 16, 2026 -

Diamond Chevrolet of San Bernardino responded

Thank you for sharing your experience, Maria! I’m glad to hear you found the service at Diamond Chevrolet of San Bernardino to be much better and that our representative was helpful and respectful. Your feedback is greatly appreciated. We look forward to serving you again in the future! Sincerely, Hector Hernandez - Service Manager hhernandez@daliaauto.com 909-883-8833

February 16, 2026

Dealership Rating

Employee Rating

I had the pleasure of working with George, he was fantastic. He respected where we felt comfortable spending and has never pushy or disrespectful. I would highly recommend him and Diamond Chevrolet fantastic. He respected where we felt comfortable spending and has never pushy or disrespectful. I would highly recommend him and Diamond Chevrolet to anyone looking to buy a new car. They made the process seamless. More

by nicoleavila768

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas , George

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Feb 16, 2026 -

Diamond Chevrolet of San Bernardino responded

Thank you, Nicole! I'm glad to hear about your positive experience with George at Diamond Chevrolet of San Bernardino. It's great to know that he provided you with respectful service and made the car-buying process seamless. We appreciate your recommendation and look forward to assisting you again in the future! Sincerely, Luis A Rojas - General Sales Manager lrojas@daliaauto.com 909-883-8833

January 19, 2026

Dealership Rating

Employee Rating

Excellent customer service and worked with me through the entire process. Definitely a good experience. entire process. Definitely a good experience. More

by jr3rivera

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Gustavo Gonzalez, Dylan Maraj

Report | Print

Jan 20, 2026 -

Diamond Chevrolet of San Bernardino responded

Thank you for taking the time to write such a great review! I'm delighted to hear that you had an excellent experience with our team at Diamond Chevrolet of San Bernardino. We strive to provide great customer service and are glad we could assist you through the entire process. Our team looks forward to seeing you again! Sincerely, Luis A Rojas - General Sales Manager lrojas@daliaauto.com 909-883-8833

December 24, 2025

Dealership Rating

Employee Rating

We started the process of looking for a Suburban online, and determined Diamond Chevrolet had the best deal. Jesse did a great job of taking us thru the purchase and Duc had the paperwork ready and fast an and determined Diamond Chevrolet had the best deal. Jesse did a great job of taking us thru the purchase and Duc had the paperwork ready and fast and out the door. More

by redlandsmike57

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas , Jesse Reyna

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Dec 24, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your positive review, Mike! I'm glad to hear that you found the best deal on a Chevrolet Suburban at Diamond Chevrolet of San Bernardino. It's great to know that Jesse provided excellent support throughout the purchasing process and that Duc ensured everything went smoothly with the paperwork. We appreciate your business and look forward to seeing you again soon! Best, Michael Salas msalas@daliaauto.com

December 23, 2025

Dealership Rating

Employee Rating

Extremely helpful, gave us different options and allowed to view and see what was the best fit for us to view and see what was the best fit for us More

by guerram069

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Ruben Bugarin Ramos

Report | Print

Dec 23, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I'm thrilled to hear that you found our team at Diamond Chevrolet of San Bernardino extremely helpful and that we provided options that suited your needs. I appreciate your feedback, and we look forward to assisting you again in the future. Enjoy your new vehicle! Best, Michael Salas msalas@daliaauto.com

December 17, 2025

Dealership Rating

Employee Rating

Very friendly, informative and very tentative to our needs. Jesse Rayna is a very excellent sales person that worked very hard to get us the car we needed for a very good price. We will recommend this d needs. Jesse Rayna is a very excellent sales person that worked very hard to get us the car we needed for a very good price. We will recommend this dealership to all our friends and family. More

by bwmartinez6

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Jesse Reyna

Report | Print

Dec 18, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your kind words! I am thrilled to hear that you had a great experience with Jesse Rayna at Diamond Chevrolet of San Bernardino. It’s wonderful to know that we could meet your needs and help you find the right car at a great price. We appreciate your recommendation and look forward to assisting you and your friends and family in the future! Best, Michael Salas msalas@daliaauto.com

December 15, 2025

Dealership Rating

Employee Rating

This dealership provides great service and quality sells men looking forward for my next purchase with you guys! men looking forward for my next purchase with you guys! More

by lisandrogarcia013

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Timothy Kubo

Report | Print

Dec 16, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for the wonderful review, Lisandro! I am thrilled to hear that you had a great experience with our team at Diamond Chevrolet of San Bernardino. We look forward to assisting you with your next purchase! Don't hesitate to reach out if you need anything in the meantime. Best, Michael Salas msalas@daliaauto.com

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