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Jonathan DeSimoni

Overview Reviews (131) Inventory (183)

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Jonathan DeSimoni

Jonathan DeSimoni | Page 3

Internet Director

Diamond Chevrolet of San Bernardino

909 W 21st Street
San Bernardino, CA 92405

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4.9

131 Reviews

Overview Reviews (131) Inventory (183)

Dealership Experience

7 yrs, 3 mos

Industry Experience

23 yrs, 5 mos

Specialties & Trainings

Certified Top Performer 10+ Years

Chevrolet Mark of Excellence Award Winner 10+ Years

4.9

131 Reviews

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

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131 Reviews of Jonathan DeSimoni

August 31, 2025

Dealership Rating

Employee Rating

This is my 3 car I am very bless w you guys. Thank you very much.. Thank you very much.. More

by nancyh071678@gmail.com

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Elizabeth Ornelas

Aug 31, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you so much, Nancy! I am pleased to know you're happy with your experience at Diamond Chevrolet of San Bernardino. We appreciate your loyalty in choosing us for your third vehicle and look forward to helping you again soon. Best, Michael Salas msalas@daliaauto.com

August 01, 2025

Dealership Rating

Employee Rating

Stopped in and purchased a new suburban from these folks. Process was seamless and all costs were very transparent. Each individual we worked with was so cool, would definitely buy from them again. Process was seamless and all costs were very transparent. Each individual we worked with was so cool, would definitely buy from them again. More

by cwidder100

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Derek

Aug 02, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I am glad to hear that your experience purchasing a new Suburban at Diamond Chevrolet of San Bernardino was seamless and transparent. Our team truly appreciates your kind words, and we look forward to assisting you again in the future. Don't hesitate to share your experience with others! Best, Michael Salas msalas@daliaauto.com

July 20, 2025

Dealership Rating

Employee Rating

Luis and Sam the managers are amazing they helped me out get my wife a beautiful traverse👍👍👍 get my wife a beautiful traverse👍👍👍 More

by Gusbus

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Elizabeth Ornelas , Richard Bash, Ruben Bugarin Ramos, Antonio Diaz, Nael Ghobrial, Dylan Maraj, Mathew Padilla, Mitchell Vallejo

Jul 20, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I'm thrilled to hear that both Sam and our team were able to help you find a beautiful Traverse for your wife. Your satisfaction means a lot to us at Diamond Chevrolet of San Bernardino. We hope to see you again soon! Best, Israel Mora (909) 883-8833

July 18, 2025

Dealership Rating

Employee Rating

They were quick and efficient. Good to deal with over the phone and through messaging. Good to deal with over the phone and through messaging. More

by robert@consultmts.com

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Jul 18, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review, Robert! I appreciate your kind words about the quick and efficient service you received at Diamond Chevrolet of San Bernardino. It's great to hear that our team was helpful over the phone and through messaging. We look forward to assisting you again in the future! Best, Israel Mora (909) 883-8833

June 30, 2025

Dealership Rating

Employee Rating

The dealership is very attentive to their customers and helpful in trying to get the best deal for their customers my experience was very pleasant and good I would recommend the dealership to future custom helpful in trying to get the best deal for their customers my experience was very pleasant and good I would recommend the dealership to future customers as well as me purchasing another vehicle in the future. More

by toolfan75

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Elizabeth Ornelas , Richard Bash, Mathew Padilla

Jul 01, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your awesome review! We truly appreciate your kind words about your experience at Diamond Chevrolet of San Bernardino. It's fantastic to hear that our team was attentive and helpful in finding you the best deal. We look forward to assisting you with your future vehicle purchase and hope to see you again soon! Best, Israel Mora (909) 883-8833

June 30, 2025

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Employee Rating

Helped me out a lot very good to negotiate and friendly would recommend for the best deals would recommend for the best deals More

by Lopeze478

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Duc Nguyen

Jul 01, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your fantastic review! We’re thrilled to hear that you had a great experience negotiating with us at Diamond Chevrolet of San Bernardino. We appreciate your recommendation and look forward to assisting you again in the future! Best, Israel Mora (909) 883-8833

June 29, 2025

Dealership Rating

Employee Rating

Everyone was friendly and knowledgeable. Explained how everything worked in my new truck. I'll be buying my next vehicle here. Explained how everything worked in my new truck. I'll be buying my next vehicle here. More

by GLHANGEL7

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Timothy Kubo, Elizabeth Ornelas

Jun 29, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We at Diamond Chevrolet of San Bernardino are thrilled to hear that you found our team friendly and knowledgeable, and that you felt well-informed about your new truck. We truly appreciate your commitment to returning for your next vehicle purchase. We look forward to seeing you again soon! Best, Israel Mora (909) 883-8833

June 02, 2025

Dealership Rating

Employee Rating

Good guy and good experience. Thanks for the quick turnaround. I would recommend to others. Thanks for the quick turnaround. I would recommend to others. More

by jestep75

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Jun 02, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you so much for your feedback! It's great to hear you had a good experience at Diamond Chevrolet of San Bernardino. Your recommendation means a lot to us. We look forward to assisting you again in the future. Best, Israel Mora (909) 883-8833

May 31, 2025

Dealership Rating

Employee Rating

Jonathan and the underwriters really took great care of me. I was turning in two leases. They explained all my options and answered all my questions. No attitude. Very patient. Trust me, I wasn’t easy. me. I was turning in two leases. They explained all my options and answered all my questions. No attitude. Very patient. Trust me, I wasn’t easy. Jonathan is my go to. We have bought and leased several vehicles. I wish I could’ve have dealt with him for every one. Thank you to the Diamond Team. Jonathan, Sam and Derek. You made it seamless and easy! See you in 3 years!!! More

by CARRIEMCCARRON

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Sam and Derek

May 31, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We're thrilled to hear that Jonathan and our team, including Sam and Derek, provided you with such great care during your lease turn-ins. It's our goal at Diamond Chevrolet of San Bernardino to make every experience seamless and easy. We appreciate your loyalty and can't wait to see you again in three years! If you have any questions in the meantime, feel free to reach out. Safe travels in your vehicles! Best, Israel Mora (909) 883-8833

May 30, 2025

Dealership Rating

Employee Rating

Could not have been easier to buy a truck hete. Zero pressure Super friendly and NO hassle or try to upsell. Very happy I went there. Zero pressure Super friendly and NO hassle or try to upsell. Very happy I went there. More

by westcalrocky

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Luis Rojas, Joseph Gotti , Derek

May 30, 2025 -

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We're thrilled to hear that your experience at Diamond Chevrolet of San Bernardino was so positive and hassle-free. Our team strives to create a friendly atmosphere without any pressure, and it's great to know that you felt that during your visit. We appreciate your feedback and look forward to assisting you again in the future! Enjoy your new truck! Best, Israel Mora (909) 883-8833

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