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Jonathan DeSimoni
Jonathan DeSimoni at Diamond Chevrolet of San Bernardino
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Jonathan DeSimoni

Internet Director / Fleet Manager

Diamond Chevrolet of San Bernardino

909 W 21st Street
San Bernardino, CA 92405

Contact Me
4.8
79 Reviews

Dealership Experience

5 yrs, 4 mos

Industry Experience

21 yrs, 6 mos

Specialties & Trainings

Certified Top Performer 10+ Years

Chevrolet Mark of Excellence Award Winner 10+ Years

View more specialties & trainings
4.8

79 Reviews

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79 Reviews of Jonathan DeSimoni

November 06, 2024

Dealership Rating
Employee Rating

Helped me so much with buying my car I was grateful to have Jonathan! He has great communicating with me through the process! Definitely would go back to him to buy another car! (: More

by elexis.silver
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
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Nov 08, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We’re thrilled to hear that Jonathan provided excellent communication and assistance during your car buying experience at Diamond Chevrolet of San Bernardino. We appreciate your gratitude and look forward to helping you with your next vehicle purchase. See you again soon! Best, Israel Mora (909) 883-8833

November 03, 2024

Dealership Rating
Employee Rating

Friendly salesman that work with the customers on cutting a Good deal leaving the buyer satisfied and happy with a new car. They’re upfront with their deals. The price they set you get. Very honest staff. I More

by jackienunez86
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Timothy Kubo, Elizabeth Ornelas, David De La Mancha, Traveon Mannings, Sean K Henderson, Christian Gutierrez, Cameron Smith, Griselda Reyna, Joseph Gotti

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Nov 05, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I'm thrilled to hear that you had such a positive experience at Diamond Chevrolet of San Bernardino. It’s fantastic that you’re satisfied with your new 2025 Chevy Trax and the great deal you received. I appreciate your kind words about our honest and friendly staff. I look forward to seeing you again soon! Enjoy your new ride! Best, Israel Mora (909) 883-8833

October 10, 2024

Dealership Rating
Employee Rating

Everything went good, everyone was overly friendly, offered water and made us feel comfortable. No pressure More

by baggered88
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Angel Bocardo, Trevor

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Oct 10, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I'm thrilled to hear that you had a great experience at Diamond Chevrolet of San Bernardino. Our team takes pride in providing a comfortable and friendly atmosphere for our customers. I hope to see you again soon! Best, Bobby Ward bward@daliaauto.com (909) 883-8833

October 06, 2024

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Employee Rating

Luis Rojas the assistant sales manager Is what a Vehicle salesperson should be. I have been to many dealerships and many sales people.. Luis is a man of integrity doesn't try to screw you over on a deal. More

by devildog1775
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Luis Rojas

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Oct 08, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for your thoughtful review! We're thrilled to hear that your experience with Luis was so positive. At Diamond Chevrolet of San Bernardino, we believe integrity is key, and it's wonderful to know that Luis exemplifies that in his dealings. We appreciate your trust and your willingness to refer your friends and family to us. Thank you for recognizing Jonathan as well; we strive to create a seamless experience for all our customers. We look forward to assisting you again! Best, Bobby Ward bward@daliaauto.com (909) 883-8833

October 04, 2024

Dealership Rating
Employee Rating

We loved Griselda she was so helpful. This was our second car and we will be back More

by NICOLEAELLIS1994
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Timothy Kubo, Griselda Reyna

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Oct 07, 2024

Diamond Chevrolet of San Bernardino responded

Thank you so much for your wonderful review! We're thrilled to hear that you loved working with Griselda and that you found her helpful. It's fantastic to know that you chose Diamond Chevrolet of San Bernardino for your second car purchase. We look forward to welcoming you back for your next visit! Safe travels! Best, Bobby Ward bward@daliaauto.com (909) 883-8833

September 30, 2024

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Employee Rating

Really good costumer service made me feel Comfortable, they answered all my questions and made it possible for us to get a new car for real 2024 ! More

by daneliarodri12
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Sean Henderson, Duc Nguyen

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Oct 01, 2024

Diamond Chevrolet of San Bernardino responded

Thank you so much for your wonderful feedback! I'm thrilled to hear that you felt comfortable and that our team at Diamond Chevrolet of San Bernardino was able to answer all your questions. I'm excited for you to enjoy your new 2024 car! I appreciate your support and look forward to seeing you again soon! Best, Bobby Ward bward@daliaauto.com (909) 883-8833

August 26, 2024

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Employee Rating

We're very nice and intentive to care of us very good went over every thing step by step More

by dvalenz918
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Luis Rojas, Timothy Kubo, Traveon Mannings, Sean K Henderson , Jonathan Garcia, Leo Gutierrrez, Edgar Perdomo

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Aug 28, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I truly appreciate your kind words about the attentive service you received at Diamond Chevrolet of San Bernardino. I'm glad to hear that we were able to guide you through everything step by step. I hope to see you again soon! Best, Bobby Ward bward@daliaauto.com (909) 883-8833

August 23, 2024

Dealership Rating
Employee Rating

Your Dealership needs to be more transparent. When it comes to you disclosing your mandatory Dealer Included OPTIONS!....BUYER BEWARE. More

by amunoz57
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
No

Other Employees Tagged: Luis Rojas, Traveon Mannings

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Aug 27, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for sharing your feedback with us. I understand your concerns regarding your experience with us here at Diamond Chevrolet of San Bernardino. We strive to provide clear and comprehensive information to all our customers. If you would like to discuss this further, please feel free to reach out to me directly. Your satisfaction is important to us. Best, Bobby Ward bward@daliaauto.com (909) 883-8833

August 22, 2024

Dealership Rating
Employee Rating

Awesome service! Jonathan was very helpful and knowledgeable about the trucks that were available. Helped me to feel confident in my purchase. More

by amaya1000rr
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Timothy Kubo, Elizabeth Ornelas, David De La Mancha , Leo Gutierrrez

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Aug 23, 2024

Diamond Chevrolet of San Bernardino responded

Thank you so much for your kind words! I'm thrilled to hear that Jonathan provided you with excellent service and helped you feel confident in your truck purchase. At Diamond Chevrolet of San Bernardino, I strive to ensure that our customers have a great experience. I look forward to seeing you again! Best, Bobby Ward bward@daliaauto.com (909) 883-8833

August 01, 2024

Dealership Rating
Employee Rating

Very bad service they made me wait mor tha 3 hrs they because they didn't want to do the warranty service.😐😡😡😡 More

by solanolidia67
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No

Other Employees Tagged: Timothy Kubo, Nathan Cooke, Elizabeth Ornelas, David De La Mancha, Duc Nguyen, Eddie Brady, Eddie Rodriguez, Christian Gutierrez , David Taylor

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Aug 02, 2024

Diamond Chevrolet of San Bernardino responded

Thank you for your feedback. I understand that waiting can be frustrating and am disappointed to hear about this. I value your input and want to address your concerns. Please reach out to me directly so we can discuss this matter further and find a resolution. Best, Bobby Ward bward@daliaauto.com (909) 883-8833

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