Dealer Reviews
Service Reviews
Cars for Sale
Write a Review
Dealer Log In
View All Employees
Jonathan DeSimoni
Jonathan DeSimoni at Diamond Chevrolet of San Bernardino

Jonathan DeSimoni

Internet Sales / Fleet Manager

Diamond Chevrolet of San Bernardino

909 W 21st Street
San Bernardino, CA 92405

Contact Me
4.9
99 Reviews

Dealership Experience

5 yrs, 10 mos

Industry Experience

22 yrs

Specialties & Trainings

Certified Top Performer 10+ Years

Chevrolet Mark of Excellence Award Winner 10+ Years

View more specialties & trainings
4.9

99 Reviews

Write a Review

99 Reviews of Jonathan DeSimoni

May 17, 2025

Dealership Rating
Employee Rating

Great! Excellent service Everyone is friendly from Timothy, Jonathan and Derek. They catered to our needs and what would make us satisfied with our purchase More

by efelicia41
Recommend Dealer
Yes

Other Employees Tagged: Jonathan DeSimoni

Report | Print
May 17, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I'm thrilled to hear that you had an excellent experience at Diamond Chevrolet of San Bernardino. It's great to know that Timothy, Jonathan, and Derek provided you with friendly service and catered to your needs. We're proud to support our federal employees and first responders with discounts. We look forward to seeing you again! Best, Israel Mora (909) 883-8833

May 14, 2025

Dealership Rating
Employee Rating

Staff were friendly and helpful with the needs that I was looking in a vehicle. More

by alcantar0816
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Luis Rojas, Jason Johnson, Timothy Kubo, Elizabeth Ornelas, Duc Nguyen, Mitchell Vallejo, Jeramie Diaz, Max Moreno, Salina Adcock

Report | Print
May 14, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We're thrilled to hear that our team at Diamond Chevrolet of San Bernardino was friendly and helpful in meeting your vehicle needs. We appreciate your feedback and look forward to assisting you again in the future! Best, Israel Mora (909) 883-8833

April 17, 2025

Dealership Rating
Employee Rating

Quick and efficient friendly process Wonderful experience Took the time to make sure we understand everything More

by aurorameza7685
Recommend Dealer
Yes

Other Employees Tagged: Jonathan DeSimoni

Report | Print
Apr 17, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! I'm thrilled to hear that you had a quick, efficient, and friendly experience at Diamond Chevrolet of San Bernardino. Our team is dedicated to ensuring that you understand everything, and we appreciate your kind words. We look forward to assisting you again in the future! Best, Israel Mora (909) 883-8833

April 04, 2025

Dealership Rating
Employee Rating

It was a pleasure buying from Diamond Chevrolet. Jonathan and Elizabeth were great to deal with, very informative. More

by kevinsliger63
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Elizabeth Ornelas, Joseph Gotti

Report | Print
Apr 04, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We're thrilled to hear that you had a great experience at Diamond Chevrolet of San Bernardino and that Jonathan and Elizabeth provided you with excellent service. We appreciate your feedback and look forward to seeing you again soon! Best, Israel Mora (909) 883-8833

March 30, 2025

Dealership Rating
Employee Rating

It was quick, and easy. Everyone we interacted was nice All the staff at Diamond Chevrolet was attentive, helpful and respected our time. More

by zein.chanel
Recommend Dealer
Yes

Other Employees Tagged: Jonathan DeSimoni

Report | Print
Mar 31, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We truly appreciate your kind words about our team at Diamond Chevrolet of San Bernardino. We're so glad to hear that you found the process quick and easy, and that our staff was attentive and helpful. We look forward to your next visit! Best, Israel Mora (909) 883-8833

March 25, 2025

Dealership Rating
Employee Rating

If you’re looking for a good place to get your car serviced fast and hassle free. Diamond Chevrolet is the best choice. The service advisor are well knowledgeable and friendly. More

by Jesse.ruiz069
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Timothy Kubo, Jeramie Diaz, Max Moreno , Julian Paco

Report | Print
Mar 26, 2025

Diamond Chevrolet of San Bernardino responded

Thank you, Jesse! We truly appreciate your kind words about Diamond Chevrolet of San Bernardino. It's great to hear that you found our service to be fast and hassle-free, and that our advisors made your experience enjoyable. We look forward to seeing you again for your future service needs! Best, Israel Mora (909) 883-8833

March 23, 2025

Dealership Rating
Employee Rating

Jonathan was amazing and very comforting and duc from financing was very nice! Appreciate you! Amazing experience More

by everythingeverywherex5
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Luis Rojas, Timothy Kubo, Duc Nguyen

Report | Print
Mar 24, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for sharing your experience and for the kind words! We're thrilled to hear that you had an amazing time at Diamond Chevrolet of San Bernardino and that both Jonathan and Duc made a positive impact during your visit. We appreciate your feedback and look forward to serving you again in the future! Best, Israel Mora (909) 883-8833

March 22, 2025

Dealership Rating
Employee Rating

The salesperson Jonathan was very patient and was very knowledgeable about the vehicle he showed us. Not to mention how great the finance team was. Proud to be a diamond Chevrolet customer More

by aluna8140
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Luis Rojas

Report | Print

March 20, 2025

Dealership Rating
Employee Rating

My family has been buying vehicles from Diamond Chevrolet even before it changed names (many years) and have always been treated fair. More

by Tim31958
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Luis Rojas, Duc Nguyen

Report | Print
Mar 21, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your kind words! We're thrilled to hear that you and your family have had positive experiences with Diamond Chevrolet of San Bernardino over the years. We appreciate your loyalty and are glad to see that our commitment to fair treatment has made a lasting impression. We look forward to serving you again in the future! Best, Israel Mora (909) 883-8833

March 16, 2025

Dealership Rating
Employee Rating

Jonathan was excellent not are first purchase from him this is why trust him to give us the best deal More

by ggalindo951
Recommend Dealer
Yes

Other Employees Tagged: Jonathan DeSimoni

Report | Print
Mar 16, 2025

Diamond Chevrolet of San Bernardino responded

Thank you for your wonderful review! We’re thrilled to hear that you trust us for your purchases and that Jonathan provided you with excellent service. At Diamond Chevrolet of San Bernardino, we always strive to deliver the best deals for our customers. We look forward to serving you again in the future! Best, Israel Mora (909) 883-8833

1
2
...
10

Dealership Inventory (268 Vehicles)

new 2025 Chevrolet Silverado 1500 car, priced at $61,610
2025 Chevrolet Silverado 1500
new
Radiant Red Tintcoat exterior
Automatic
Four-wheel Drive
$61,610
View Details
new 2025 Chevrolet Silverado 1500 car, priced at $52,160
2025 Chevrolet Silverado 1500
new
Sterling Gray Metallic exterior
Automatic
Four-wheel Drive
$52,160
View Details
new 2025 Chevrolet Colorado car, priced at $40,085
2025 Chevrolet Colorado
new
Black exterior
Automatic
Four-wheel Drive
$40,085
View Details
new 2025 Chevrolet Colorado car, priced at $46,585
2025 Chevrolet Colorado
new
Black exterior
Automatic
Four-wheel Drive
$46,585
View Details
new 2025 Chevrolet Silverado 1500 car, priced at $48,635
2025 Chevrolet Silverado 1500
new
Summit White exterior
Automatic
Rear-wheel Drive
$48,635
View Details
new 2025 Chevrolet Blazer car, priced at $41,285
2025 Chevrolet Blazer
new
Radiant Red Tintcoat exterior
Automatic
Front-wheel Drive
$41,285
View Details
View All Inventory