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Jonathan DeSimoni
Refer Me
Jonathan DeSimoni
Internet Director / Fleet Manager
Diamond Chevrolet of San Bernardino
909 W 21st Street
San Bernardino, CA 92405
64 Reviews
Dealership Experience
4 yrs, 10 mos
Industry Experience
21 yrs
Specialties & Trainings
Certified Top Performer 10+ Years
Chevrolet Mark of Excellence Award Winner 10+ Years
Fleet Specialist
64 Reviews
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64 Reviews of Jonathan DeSimoni
May 14, 2024
The team made it so the process was easy and fast. I would definitely recommend Elizabeth as a sales representative and Luis as a sales manager!! They are the best!! I would definitely recommend Elizabeth as a sales representative and Luis as a sales manager!! They are the best!! More
by Liz2023
Other Employees Tagged: Luis Rojas, Elizabeth Ornelas, Tim Kamotto, Duc Nguyen, Trish Wilson
Helpful 
May 13, 2024
Jonathan and Tim were so amazing helping me! Jonathan has always helped me and made it easy to breathe getting into a new car and it helped so much! I’ll definitely recommend anyone go to Jonath Jonathan has always helped me and made it easy to breathe getting into a new car and it helped so much! I’ll definitely recommend anyone go to Jonathan. More
by JACQUELINEBROWN643
Verified CustomerOther Employees Tagged: Tim Kamotto
May 12, 2024
Friendly and welcoming with great outcomes was very happy with the vehicle we chose and the deal we got with the vehicle we chose and the deal we got More
by zdiaz2
Other Employees Tagged: Sean Henderson, Jaime Martinez, Duc Nguyen
May 11, 2024
Our sales person Jonathan was amazing. Will be buying more vehicles in the future. 😃 Thank you Will be buying more vehicles in the future. 😃 Thank you More
by acdlove
Other Employees Tagged: Sam Oceguera
April 28, 2024
Hey, very pleasant experience at diamond Chevrolet I would definitely recommend this dealership to anybody that’s looking for quality Chevy product would definitely recommend this dealership to anybody that’s looking for quality Chevy product More
by agonzales007
Other Employees Tagged: Elizabeth Ornelas
April 28, 2024
Elizabeth was very helpful to my wife and I, it was a busy day for the dealership yet they still took great care of us! busy day for the dealership yet they still took great care of us! More
by AnthonyC
Other Employees Tagged: Elizabeth Ornelas, Tim Kamotto
April 15, 2024
Jonathan answered all my questions and was very patient with me. It took months for me to make my final decision and he was not pushy one bit. I will be going back to him for my next car! with me. It took months for me to make my final decision and he was not pushy one bit. I will be going back to him for my next car! More
by nicoleireneruda
Other Employees Tagged: Luis Rojas, Timothy Kubo, Nathan Cooke , Gabriel Pulido
April 11, 2024
Jonathan is an awesome salesman. This is my second truck I got from him. Everyone was friendly and helpful. I have and I will continue to send customers To see Jonathan This is my second truck I got from him. Everyone was friendly and helpful. I have and I will continue to send customers To see Jonathan More
by Robert Avilez
April 10, 2024
Awesome Friendly, stress-free purchase! Great deal, will recommend to everyone. Jon was great and got me a solid price for my new truck. Great deal, will recommend to everyone. Jon was great and got me a solid price for my new truck. More
by blake
Other Employees Tagged: Fabio
April 09, 2024
Amazing very comforting people I would definitely recommend anyone come to Diamond chevy they will do what they can to. help you out as much as they can recommend anyone come to Diamond chevy they will do what they can to. help you out as much as they can More
by johnny
Other Employees Tagged: Luis Rojas, Sam Oceguera, Jason Johnson, Karl Bomar , Vinnie Maraj, Munir Younis, Fabiola was amazing
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