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Sierra CDJR of Monrovia

3.7 (653 reviews)
Closed 9:00 am - 8:00 pm
Updated 2 months ago

Services - Sierra CDJR of Monrovia

Auto brake repair

Auto engine repair

Auto exhaust repair

Sierra CDJR of Monrovia Photos

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Recommended Reviews - Sierra CDJR of Monrovia

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2023 jeep

Loved this dealer just got a 2023 jeep thanks to Anthony Rubio with Monrovia CDJR gave us great customer service and very quick process!

Super happy customer!
Costin H.

An absolute fast and seamless transaction. After inquiring on a 3500 Limited truck on the phone, we pulled in and the truck was already out and ready for a test drive. Guillermo, our sales rep was super nice, fantastic at explaining the car and features which are very sophisticated on a 3500 no sales push ever. Edwin the sales manager made the numbers work in less than 15 minutes and we were amazed by the deal we got and Ed the finance guy was the cherry on the cake, super smart, very good at explaining numbers and we were out in no time. I never thought a truck transaction can go so well, where you are super happy with the price, customer service and finance. These guys deserve our/your business.

Proof of them not answering & not responding to any of my messages for hours at a time very unprofessional.

I've had a very frustrating time getting a hold of the service department, every time I call they never answer even when leaving a messages they take hours at a time to even get back to me. Very unprofessional they said my truck was gonna be done with in the first week of it being there & now it's been almost a month & they still have my truck waiting for a part that was supposed to be an overnight delivery part.

Text messages between myself and the dealership.
Benjamin L.

First I'll say I do not take one star reviews lightly as any business deserves a fair shake before being dragged online. That said, this dealership, specifically their service department, is dishonest and disingenuous while being absurdly priced. I brought my 2019 RAM 2500 Limited with the 6.7 Cummins in due to a check engine light. I have an OBD tester at home and went in with the specific error code and stated the particulate sensor needed to be replaced. I asked the technician what the cost would be to replace it and he said he did not know but wouldn't think it's very expensive. While I knew there was a fee for them to take a look at it, the service tech stated the fee would go towards the sensor replacement if I moved ahead with the repair. Well the following day, he texted me stating the particulate sensor needed to be replaced. No surprise there since that is what I told him when I dropped my truck off. He then quoted me a price of $714!! When I pressed him for why in the world was it that expensive the breakdown he gave me was $240 for the part (which is $120 online), $240 for diagnostic fee (which he told me would be waived if I did the repair), $240 for labor, and approx $25 for taxes. See text messages below. Not only did this guy lie about waiving the diagnostic fee, this dealership is completely and disgustingly, ripping people off on a repair that takes less than an hour. I picked up my truck, they had the audacity to charge me $240 despite me telling them what the issue was when I dropped it off AND showing the error code to them AND eluding to any replacement not being very expensive. There was no offer to waive the payment. And when I politely asked to talk to a technician about replacing the sensor myself, they just told me that wasn't possible. I've been taking my truck to this place for maintenance and repair work for years but will never return. I know that post covid service in general has seriously degraded but there's simply no excuse for ripping people off the way this dealership does. Honestly, stay away. Give your time and hard earned money to a business that appreciates repeat customers and doesn't exact pleasure from ripping them off.

Robert D.

My Jeep was loosing coolant at no apparent location, so I needed service. The girl that answers the phone is one grouchy woman. Think her name is Hay Sue or something like that. Really in a bad mood and very sarcastic. I should have stopped right there. But no, I took my jeep in for service. They had it for 1 week and when I called, they had not even touched it. Wow, I been renting a car this whole time for nothing! While they were finally looking at my Jeep, they called me say they don't want to work on it as long as I have a dash camera on. LOL! I told them unplug it then! It like the workers have warrants or something! When I called the "service advisor", he did not respond to my calls or text messages. The next day, he said he had the day off. WTF! Like couldn't another person take over while he was off? Finally had to ask for management. Manager took over my service. After more days, he says they checked the engine with a scope and did block test and everything, and couldn't find anything wrong with my Jeep and sent me on my way. I went to my local mechanic, he squeezed one hose and said too much pressure, head casket needs replacement. He changed it, and changed anything else that he was disassembling along the way to avoid problems later. My Jeep was fixed by my local mechanic. I will NEVER go to a dealership for repairs that are out or pocket for the rest of my life, especially Monrovia Chrysler Dodge, Jeep dealership! They are rude, incompetent and over priced! To boot, the dealership kept my engine cover! Ugh!

Mounting bolt broken off.
Tony M.

Very unhappy. -I brought my camper van in for a repair. There are two sets of keys in the van for locked compartments inside the van. When I picked up the van, both sets of keys were obviously tampered with, as they were both not in their normal spot. These keys and compartments had absolutely nothing to do with the repair of an alternator. -There was at least one bolt that was broken off and not replaced, just left broken off. Now that component is not secured as it should be. -When I picked up the van it was taking quite a while for them to bring the van to the front. Finally they told me that they closed the hood and now they can't get it open. They took me back to the service area and there were 8 people working on trying to get the hood open. After a great deal of paint being chipped off of the lip of the hood, they were able to open it and correct the mistake. It was explained to me that they forgot to strap a cable and when they closed the hood it got stuck in the latch. This does NOT give me confidence that the other repairs that I can't see were done properly. -The final repair costs were almost twice what I had anticipated. (About $3600). Possibly my fault for not being more diligent with adding up the repairs, plus tax, etc.. To add insult to injury, they charged me an extra 3% of the total bill because I paid using a credit card. The service department representatives were friendly and helpful, but the technicians can not be trusted in my experience. I will not be returning to the dealer for future service/repairs. -On a positive note, the new alternator seems to be working fine.

Best Dealership, Their Price are reasonable, and Best sales person Gillermo  Hernandez

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6 months ago

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2 years ago

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1 year ago

The team at Monrovia CDJR took amazing care of us! The new location looks good and is easier to get to as well.

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2 years ago

Javier and the service department team took care of our recall issue promptly. Highly recommended!

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Sierra CDJR of Monrovia Reviews in Other Languages

Ask the Community - Sierra CDJR of Monrovia

I am interested in a Jeep Wrangler 4 door on your lot, and would like to know whether you charge a market adjustment fee on top of MSRP?

Yes, most definitely they have markups which vary depending on the vehicle.

Don’t See Your Question? Ask Away!

Review Highlights - Sierra CDJR of Monrovia

Shout out to Fred for all his help in getting the recalls and battery issue with my Pacifica Hybrid sorted.

Mentioned in 53 reviews

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Our family's Ford Explorer required a water pump replacement…read more I visited several local auto shops to obtain quotes and was shocked, disappointed, and discouraged at the prices I was being quoted for the work my vehicle required ($5,000-$7,500) Shame on me for not reading Yelp reviews before wasting my time visiting other auto shops. I read the many positive reviews for Hye-Tech Auto Repair and decided to visit them. Upon entering, I was greeted by John (owner) with a friendly, "Welcome, how may I help you?" I explained that my Ford Explorer needed a new water pump and a few other items that other auto shops had advised me would require repair or replacement. While John looked up a few items on the computer to provide me with a quote, he introduced me to his son, Harry, who happened to be in the office. Thirty seconds later, John provided a quote that was $3,500-$4,000 less than the other shops. I could not believe it. John explained that he makes his living and succeeds in his business through repeat customers, and he does not believe in gouging customers for every last penny. He also shared that when he retires, his son Harry will take over the business, and he wants to leave Harry with a solid foundation of loyal repeat customers. It was then that I knew I could trust John and his son Harry. John went on to explain that replacing the water pump on a Ford Explorer was a 10-12 hour job, as it was an internal pump requiring numerous engine parts to be removed to reach it. This was the same thing all the other shops advised me. John suggested that I leave my vehicle, and he would perform a full inspection of the engine and contact me before doing anything to it. I agreed and left my vehicle. The following day, I was contacted by John, who advised me that the water pump did indeed need to be replaced, as it was the source of the constant leaks of the water coolant. I left my vehicle in John's shop for three days. During this time, John or his son, Harry, contacted me numerous times to keep me updated on the progress of my vehicle and also to point out that mechanics had discovered two or three very inexpensive items (under $50.00) which they recommended replacing, which I agreed to have done. All in all, I was and am extremely impressed and satisfied with everything about this shop. I spent much less money to have five different issues repaired on my vehicle at Hye-Tech than what I was quoted to replace my water pump alone by every single shop I visited prior to coming to Hye-Tech. John and Harry are very friendly, honest, and trustworthy. They are also very knowledgeable and experienced, and they offer GREAT customer service and communication. This is my new go-to shop for any issues involving our family vehicles. Thank you, Hye-Tech Auto Repair, for a very positive experience.

I opened a Yelp project to try to get my transmission serviced. The dealership wanted to charge me…read more$1300 for this service. Yelp projects are one of the best things I've ever experienced. It's nice to see you can get quotes at the touch of a button on your phone. This morning, I had time off, so I headed in to get my service done. I did not have an appointment and that did not seem to matter. I arrived first thing in the morning at 8 AM and ask if the service could be done. Harry was an exceptional young man, he took me in with no problems, no questions. He said they could do it this morning. I told him I would have to wait. He had no problem with that either. Prior to bring in the car in this morning, as I said, I used a yelp project and had several people reach out and give me quotes. After looking at all the yelp reviews I decided to give this place a try. I am super happy that I did. This place is a hidden gem, excellence, service, quality, and value for what you receive. There are not very many shops where you could feel comfortable and put your trust in them. As I spent time in the lobby, I was able to see customer service on the phone and customer service entering the facility. Every customer that walked in, seem satisfied and was treated with dignity and respect. I highly recommend this place if you have any automotive questions whatsoever.

RTMotorworks - Alignment done for this brand new Juniper

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I was in need of getting new brake pads and rotors for my 2020 BMW X5. Was getting quotes from a…read morecouple of other places but getting the quote from RTMotorworks was thorough. I was hoping I just needed brake pads for the front and hopefully not all 4 wheels at the time. They were very responsive and the quote was comparable to other places, if not better. Decided to take it in on a Friday in the morning. Checked my wheels and told me I just needed the front brake pads and rotors replaced. The back was still good. Sigh of relief somewhat. They were able to get the pads and rotors replaced for little under 3 hours. Time went by and they were updating me during the whole time. Great service and team here. Will definitely bring my car back in to get other services done. No issues whatsoever with the new pads and rotors.

PROBLEM: ALIGNMENT ISSUES, CUSTOMER SERVICE, ACCOUNTABILITY…read more When I first tried to leave a review, my account was somehow blocked from posting specifically for RTM, while I could still review other businesses. I contacted Yelp, and by coincidence, the representative I spoke with was also RTM's Yelp rep. He said it was strange that I couldn't post only for RTM. After I explained my situation, he advised me not to leave a review and instead take the matter to small claims court--which I did. During the hearing, the judge seemed to understand my side, but the ruling ultimately favored RTM. Despite being advised not to post this, I'm sharing my experience here because the situation still doesn't sit right with me--especially given Yelp's controversial review practices. On 10/1/25, my rear right adjustable control arm snapped. My car has aftermarket wheels, tires, and suspension components, so a precise alignment is critical to ensure proper fitment without rubbing the fender. I initially went to TM Auto (located across from RTM) for the control arm replacement. After installation, TM took my car to RTM for alignment. I specifically asked them to match the rear right alignment to the rear left, which was set at -2.8 degrees. When I went to pick up my car, I immediately noticed the rear right wheel did not match the rear left. The camber was visibly off. I pointed this out to the technician, but he insisted the alignment was correct and that there were no machine or human errors. After repeated requests, they put the car back on the rack, but instead of rechecking, two additional technicians came out and dismissed my concerns with questionable explanations: "Toyota made the fenders uneven." "Your control arm is made in Taiwan/China--what do you expect?" Despite putting the car back on the rack, they never rechecked the alignment. They simply removed the car and stood by their original claim. With no resolution, I had no choice but to drive the car home. Because the alignment was incorrect, my tires rubbed against the fender the entire way. The next day, I found heat damage, paint cracking, and visible wear on the fender. I came back the next day to talk to Richard (the owner) hoping he would recheck everything, but it was apparent he was "too busy"--despite clearly having time to talk with other customers and then continue working on another car, while ignoring me. I waited outside RTM for over an hour trying to speak with him. When the TM Auto manager asked if he had seen the damage, his response was, "Yeah, so what?"--with no concern at all. After is when I left, and was forced to go to another shop to realign--more driving, more damage done. I used a camber gauge and measured -2.8 degrees on the rear left and -2.0 degrees on the rear right. To confirm, I took the car to my trusted shop, Chewerks in La Habra, where they verified the rear right camber was indeed -2.0 degrees and did not match the left side. Their measurements matched mine exactly. Because RTM refused to recheck or correct their work, this improper alignment caused damage to my car. The rear left side tucks properly, while the rear right sticks out about half an inch, which led directly to the rubbing and damage. I had clear documentation and evidence, but the court still ruled in RTM's favor. I chose not to appeal to avoid spending more time on the matter. A nearby body shop, Cenco Auto Body, quoted over $1,800 to repair the fender (with another shop giving a similar estimate), confirming the extent of the damage. What could have been a simple recheck turned into a costly mistake. Despite everything, RTM did not offer any compensation or attempt to make things right. Seeing RTM's highly rated Yelp profile made their response even more surprising. They're quick to take your money with a smile when things go well, but when issues arise--as in my case--they deny responsibility and make no effort to make things right (In my case, they didn't take money directly, but a receipt was given to TM Auto, and I had to pay TM Auto--which is the same as paying RTM directly). TM Auto went as far as offering RTM to help cover the repair costs, but RTM still refused. TM Auto didn't have to step in for someone else's mistake, yet they still tried--that says everything. Richard (the owner) had my contact information through the small claims process, yet he never made any effort to contact me--even before we went to assigned court date. After what happened, I'm relieved I didn't bring my other cars first--especially since those cars are of higher value. It seems RTM has many satisfied customers, along with a smaller number of unhappy ones. Hopefully, you don't end up in the latter group like me. FWIW: Following the incident, I contacted Hunter to verify when RTM's rack was last calibrated. Abel (rep) advised that its calibration was set to expire later that month. This raises the possibility that their rack may have been out of calibration.

Sierra CDJR of Monrovia - autorepair - Updated May 2026

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