1305 Mountain Ave
Monrovia, CA 91016

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Sales: 626-507-9500

Used Cars: 626-507-9500

Hours Toggle

Sales Department

Sun 10:00am – 7:00pm
Mon 9:00am – 8:00pm
Tue 9:00am – 8:00pm
Wed 9:00am – 8:00pm
Thu 9:00am – 8:00pm
Fri 9:00am – 8:00pm
Sat 9:00am – 8:00pm

Service Department

Sun Closed
Mon 7:30am – 6:00pm
Tue 7:30am – 6:00pm
Wed 7:30am – 6:00pm
Thu 7:30am – 6:00pm
Fri 7:30am – 6:00pm
Sat 8:00am – 4:00pm

Reviews of Sierra CDJR of Monrovia

Overall Rating:

4.6 (out of 5)

94% recommend this dealer

1789 total reviews

Showing the most recent reviews from Cars.com and DealerRater.

5.0 (out of 5)

Service was quick and I received text updates during the

Reviewed by bigmackatakDecember 16, 2025

Service was quick and I received text updates during the process. The dealer also supplied Uber rides to and from the dealership.

  • Does recommend this dealer
  • Came in for service or repair

Dealer Response

We are delighted to hear that your service was completed quickly, that the text updates kept you informed throughout the process, and that the complimentary Uber transportation made your visit even more convenient. Your kind words have been shared with the entire service team. We truly appreciate your trust and look forward to welcoming you back.

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

Quick and efficient service, always.

Reviewed by mdpayne13December 14, 2025

Quick and efficient service, always. Fred is the best, my go to service advisor. He keeps me updated regarding the status of my car.

  • Does recommend this dealer
  • Came in for service or repair

Dealer Response

We’re glad to hear you consistently receive quick and efficient service. Fred does an excellent job keeping our customers informed, and we’re happy he’s your go-to service advisor. We truly appreciate your loyalty.

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

4.0 (out of 5)

Stephanie was very responsive and helpful.

Reviewed by marlr99December 12, 2025

Stephanie was very responsive and helpful. My van seems to be running well now. I will definitely return to this dealer for future maintenance.

  • Does recommend this dealer
  • Came in for service or repair

Dealer Response

Stephanie works hard to make every visit easy and reassuring, and we’re so glad your van is running well after service. Thank you for choosing us, we’ll be here for your next maintenance visit!

Overall Experience 4

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

About Sierra CDJR of Monrovia

Monrovia CDJR is a neighborhood dealership nestled in the foothills of the Los Angeles Forest area! Easily accessible from all cities within the Riverside, Los Angeles, and Orange Counties. We provide a hometown feel and yet have the advantage of being part of a much larger dealer group who strives to constantly improve, grow and learn to better support the needs of our guests. Browse through our specials and save on certified service.

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