
Douglas Sievertson
Fleet Account Manager
Sierra Chevrolet of Monrovia
1450 S Shamrock Ave
Monrovia, CA 91016
Dealership Experience
6 yrs, 8 mos
Industry Experience
15 yrs, 8 mos
Specialties & Trainings
I also sell Ram trucks and Vans
31 Reviews
Write a Review31 Reviews of Douglas Sievertson
June 11, 2025
Douglas was very attentive, fast replying to our urgent need for the working van. He presented the deal straightforwardly throughout the process. The commercial department manager Jack was very helpful a need for the working van. He presented the deal straightforwardly throughout the process. The commercial department manager Jack was very helpful and informative as well, in fact, the whole team was very courteous, friendly, yet effectively professional. The coordination with the finance department was also efficiently done and everything went smoothly. It was a great pleasure working with them. We were happy to have purchased a 5 year service warranty and we will be getting our new work van serviced in this our neighborhood Chevy for the entire life span of this van! Thank you all, we'll be seeing you again! More
Other Employees Tagged: jack commercial manager, jg finance
May 30, 2025
Christian and Douglas were very nice and answered all our questions. The process was simple and fair. The price seemed a little better in comparison to all the other dealers out there and we felt we got a fa questions. The process was simple and fair. The price seemed a little better in comparison to all the other dealers out there and we felt we got a fair trade in price for our older vehicle. We had to drive an hour and a half to get there but it was worth it since they had the vehicle we wanted with so little choices out there. More
Other Employees Tagged: Rudy Aguilar, Christian Zuno
May 27, 2025
Dealer was clean and pleasant. Shopping experience was comfortable and employees were understanding to our desires and budget. Andrew was excellent so patient and helpful absolutel Shopping experience was comfortable and employees were understanding to our desires and budget. Andrew was excellent so patient and helpful absolutely grateful highly recommended. More
Other Employees Tagged: Rudy Aguilar, Christian Zuno, Andrew Lisk, Nicholas Scammacca
March 22, 2025
Very responsive and excellent communication, that says it all but it makes me give 15 words! all but it makes me give 15 words! More
Other Employees Tagged: Rudy Aguilar, Christian Zuno, Alfonso Hernandez, Andrew Lisk, Mark Sandoval, Nicholas Scammacca, Luis Urias
March 08, 2025
This dealership does not care about their customers. Once they get the sale you’re pretty much not important anymore. The service department is even worse. They did not reset my tires after rotation w Once they get the sale you’re pretty much not important anymore. The service department is even worse. They did not reset my tires after rotation which resulted in me almost having an accident and then took zero accountability when I brought it to their attention. I would never buy a car from here again. The service was bad but the car was even worse. Less than 6 months I began to have countless issues. With tires, breaks, and my check engine light turned on as well. But General Motors decided on their own that this didn’t pose any safety issues. Please don’t buy a car here. It really was a terrible experience More
Other Employees Tagged: Rudy Aguilar, Christian Zuno, Samantha Peinado, Joe Jimenez, Alfonso Hernandez, Andrew Lisk, Mark Sandoval, Nicholas Scammacca, Luis Urias
January 13, 2025
I recently purchased a 2025 Chevy Suburban RST, and my experience at Sierra Chevrolet in Monrovia was fantastic! The sleek black exterior with 22-inch black custom rims is stunning, and the spacious inter experience at Sierra Chevrolet in Monrovia was fantastic! The sleek black exterior with 22-inch black custom rims is stunning, and the spacious interior is perfect for my real estate business. A special shoutout to my salesperson, Doug Sievertson, who was beyond helpful throughout the entire process. I worked with Doug five years ago when I purchased my 2020 Chevy Tahoe RST, and there was no other choice but to come back to him. His knowledge, professionalism, and dedication to excellent service made both of my experiences seamless and enjoyable. I’m absolutely loving my new truck and am excited to start the new year working in style. If you’re in the market for a Chevy, I highly recommend Sierra Chevrolet—and be sure to ask for Doug Sievertson! More
October 18, 2024
Reliable, convenient, knowledgeable helpful representatives, customer service is excellent, quality, very nice facility and would recommend this place to people I know looking to purchase a veh representatives, customer service is excellent, quality, very nice facility and would recommend this place to people I know looking to purchase a vehicle. More
Other Employees Tagged: Christian Zuno, Alfonso Hernandez, Andrew Lisk , Brian Hernandez, Andy Wiesman

