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    Giant RV

    3.0 (540 reviews)
    Closed 9:00 am - 7:00 pm
    Updated 3 months ago

    Services - Giant RV

    RV repair

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    Hello Everyone, My experience dealing with Giant RV in Colton was pretty positive. I did my research on RV's before I bought one so I knew what I was getting myself into to specially being our first RV. The whole process of buying the RV was pretty smooth from viewing, financing and delivery. I did get a chance to go over the RV before I took it home to make sure everything worked. We have since taken it out for our first camping trip to test everything out and everything went good no issues at all, only regret was that I should I got a bigger travel trailer. Just in case your curious we purchased the 2024 Winnebago Access 26BH. One comment I would like to add, if your expecting things to be perfect and your not handy with fixing little things I honestly would not buy one.

    2024 Alliance paradigm 395ds fifth wheel trailer
    Michael R.

    The service department is a joke. If I could give the sales team and finance team a 5 stars I would. Purchased late September early October of 2024 My experience here was great at first when coming to look at fifth wheel rv's. Sale team and finance were great. We loved the Alliance Paradigm 395ds model and made our purchase. A few small details inside and out of the Rv such as damaged paint on the door and moldings inside the Rv along with a broken screw head on one of the slide outs. We stated we wanted those things fixed prior to us picking the Rv up and was told it would be taken care of. Sure enough that didn't happen. We then picked up the Rv and noticed they weren't after being promised they would. Being aesthetic we were told to bring it back for service to get that repaired anytime. When we got to the site of where the Rv would stay we took a look inside and started to clean. Then noticed the bathroom in the back was used and what seemed to be someone's throw up or #2 was partially left in there. So much for cleaning the Rv before you pickup.. Fast forward to setting the trailer up at our site, we noticed 4 water leaks.. 2 months in. Those were our main concerns along side 10+ other issues. Fast forward to February 1st when we decided to bring it in for the concerns mentioned. We dropped it off and they had it for a month and a half. They claimed to fix all the concerns and were not able to duplicate some and 1 of the leaks even though we have multiple videos of it actively leaking. Upon picking up I was reassured that all the concerns for the exception of those with parts not in stock were fixed. Aside of that the outside paint of the coach on the slide out was damaged while they repaired it, and the inside of the Rv filthy. Now (03/22/25) exactly a week from when I picked it up (03/15/25) we are back to square one trying to get the Rv BACK INTO the service department for the same MAIN Concern of why it was dropped of to begin with. I drove to Giant RV in Colton before they close at 5pm on Saturday as I was informed over the phone not being advise that they do not take service drop off past 1pm without appointments. I pulled into the drive 10 minutes before closing and was not greeted upon walking in by any one of the 3-5 people in there. The woman (Laura) who was the first to respond to my request of dropping off my Rv was with a "Nope, can't take it in and won't take it in." We are closing at 5 and we are ready to leave.... After trying to get her to understand the situation of being it back just 5 days after it was "repair" by them she then kept speaking very rudely with no manners or customer service etiquette, and no drive to help the customer out. She was rather more focused on her clocking out and leaving for the day. I then proceeded to ask if there was anyone else that I could speak to for some help. Then she mentioned somebody's name and said he would be right out. I could then hear Jerry I believe his name is on the phone with his boss, which is Tom the service manager. The manager's response over the phone was absolutely not and that I would have to take the RV back and there's nothing he could do for me. Given the situation, explain the situation to the service manager. There is no change in action no willingness to help and was just brushed off by the servicing, which had no authority over what their manager said. Overall, this dealership or even chain of RV dealerships do not care about you as a customer after you make their purchase with them. It has been an absolute nightmare, trying to deal with these people and would not recommend any friend or family or anybody that can read this to purchase an RV from Giant Rv specifically Colton for the simple reason that there is no help towards the customer or any customer service in general. And just to make things clear this is not reflecting upon the sales team and only the service department.

    Chris B.

    Just wanted to say thank you so much for everything! Mainly this review is for Devan. If it wasn't for Devan, none of this would be possible, and we wouldn't be getting the trailer we wanted. This is our very first travel trailer. My wife and I have been tent camping and backpacking for 2 decades. Finally last year my wife said, "I'm ready for an upgrade", and I agreed. It took us 6 months to find exactly what we were looking for, and it was just coming into the camping season. NO one was willing to accommodate us to keep us within our budget. It was not looking hopeful at all. On a whim, my wife stumbled across an ad from Giant RV posted(479 miles south from us). Then she met Devan. Devan was our knight in shining armor. He was very accommodating and polite to my wife. He kept us within our budget. It happened so fast, I couldn't believe it! My wife said, "I'm puting down $1000 deposit over the phone!" We own a small independent motorcycle service/ repair shop in Santa Rosa, CA. My wife handles all the logistics and the consignment sales. She is no stranger to this industry. Devan was a true gentleman. Thank you sir for making our dream come true and treating my wife with respect. We do a LOT of off grid camping and the Sun Lite Sport is exactly what we were looking for. If you are looking for an honest, fair RV/trailer representative, talk to Devan. Giant RV had a beautiful facility. You walk into this establishment, and everyone is extremely friendly. The women at the reception desk were very helpful. Steven, the gentleman that gives you the walk around, is very thorough and knowledgeable. The finance department, Marciel and Cece, were very witty and comical. Keeping the mood very light while signing paper work, especially after a 9 hour journey. We got our new trailer home safe and sound. We drove about 1000 miles to be treated fairly and find what we were looking for, but it was totally worth the journey. Thank you thank you Devan for making this happen for us. -Chris

    We came in looking for our first trailer but we didn't have an appointment. That was not a problem for the team here at the Giant Rv! They attended us right away and showed me a trailer that fit our needs. The whole process was streamlined and everyone was very helpful. The team here is very down to earth and I was pleased with all the help during my pick up. We highly recommend this location!!!

    Our new van and the Giant RV team!
    Michelle W.

    Thank you to Bill, Brian and the Giant RV Team in Colton! Thank you for providing us a wonderful experience as new Class B Camper van owners! Their commitment to customer service is evident from the moment you step inside. They answered all of our questions, and we had plenty! Thank you for making our experience a great one, we had fun & learned a ton. Thanks again!

    I called Keystone RV and they referred me to Tredit Tire. Called them and they referred me to manufacturer, who I have called 3 times and LVM... no return call in a week... every time I leave and return from camping i inspect tires... seems pretty crappy everyone keeps pushing it off to someone else...

    I wish I would have read these reviews before going to this place. We purchased a 2020 forest river toy hauler, first time out things started falling apart, back splash, framing, moldings, plug outlets, the list goes on. I know giant RV doesn't personally build these Rv s BUT they do the servicing and WE paid for the warranty, that being said it's a complete shit show trying to get them to fix anything, first time we took it in they had it for a month and very little got fixed, the second time we dropped it off, they gave us a quote of $10,485 to fix a water leak, parts were $205, $10,280 was LABOR. Are you serious. What kind of crook shit is that. They wanted us to go through our insurance so they could get the pay day cause of course they blamed us for the water damage and it's not "covered" under warranty. That being said this place is not it. Steer clear of these scammers.

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    4 months ago

    Ask for Bryan Nobles in sales! He was so easy to work with.. most pain free experience I've ever had purchasing a vehicle :) Thanks guys!

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    2 years ago

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    Thank you Laura for great customer service. We appreciate that you were able to work around our scheduled vacations.

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    Stay clear of this dealership and the service dept. They give you the run around about your warranty and then don't honor it.

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    Page 1 of 14

    Giant RV Reviews in Other Languages

    Ask the Community - Giant RV

    What are the service hours?

    Hello. Service is open 8am - 5pm, Monday thru Saturday. To schedule an appointment please call 909-514-0444

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    Review Highlights - Giant RV

    Ron and Tom in the service department listened and addressed our concerns and resolved the issue right away.

    Mentioned in 47 reviews

    Read more highlights

    Mike Thompson's RV Superstores

    Mike Thompson's RV Superstores

    2.9
    (643 reviews)

    We drove from Pismo Beach to Colton to view a 2018 Holiday Rambler Vacationer, which will be our…read morefirst motorhome. We initially spoke with Kaitlyn Mahoney over the phone regarding the motorhome. When we met Kaitlyn in person, she was genuinely a wonderful individual who made us feel like we were meeting a good friend. She took a sincere interest in understanding our wants and needs for this major purchase. Kaitlyn spent considerable time answering all of our questions and thoroughly showing us the motorhome in detail. Her professionalism, knowledge, and friendly approach made the entire experience enjoyable and stress-free. A special shout-out to the other team members as well--Doug, Curtis, and Francisco in Service and Parts--for helping coordinate our needs and ensuring everything was addressed. Last, but certainly not least, Mike provided a complete, thorough, and highly detailed walkthrough of our new motorhome. As first-time motorhome owners, we greatly appreciated the time he took to explain the systems, operation, and maintenance requirements. His patience and attention to detail gave us confidence as we begin this new adventure. Do I have any negatives regarding Mike Thompson RV in Colton? Only one: the starter motorhome package was not worth the value for the price based on the contents provided in the box. Overall, our experience with Mike Thompson RV was outstanding. Thank you to the entire team for making this such a positive and memorable purchasing experience.

    On Tuesday, May 19, 2026, I drove from Fontana to Colton to see about a problem with my Blue…read moreOx/Patriot braking system in my car because, when towing behind my motorhome, the car batteries kept overcharging causing me to get a new car battery nearly every year since I've had the RV. My appt was made for Thursday, May 21 at 9 am. I was specific about what I wanted: To know if it was wired correctly because a jeep dealership said they had "never seen a battery wired like that". This request shouldn't take more than 5 minutes to complete: You open the hood, look at the wiring and say "yes" or "no" if it looks normal to you and then close the hood so I could be on my way. That's all I asked for. Period. It's even written on my invoice. On Thursday, May 21st, I arrived (again, from Fontana) about 10 minutes before 9. I went to the service dept to check in and the man who made this appt on Tuesday, claims it wasn't in the system. Hmm.... My car was taken in at 9:11 am. At 10:14 am, the service dept guy and the tech who was going to check out my car battery hookup. I explain to the tech what's been happening etc... he says "ok". They go off..... I guess it was a few minutes after noon when I went up to the desk to inquire why it's taking so long. The service guy who was handling my visit was at lunch and another guy said he'd pass the message on when my service guy got back from lunch. Ok.... I went back to sit down. Shortly thereafter, my service guy said "they are still working on it". Now I'm thinking... is the tech blind? He can't see where the wires are and if it looks normal or not? That's all I asked for. At about 1:20 or so I went back up to the desk to let the service guy know I'm diabetic and I'm starting to crash and I need my car to go get food; I left my supplies back in Fontana because I didn't know the tech was so inept it would take 4+ HOURS to VISUALLY INSPECT a couple wires on my car battery. At 1:27 the service guy comes to tell me that the tech is "wrapping up" and then I was forced to pay $225 for no specific answer other than something to the effect of "we can wire it to isolate your battery and you'd get power for the lights from the RV" which is exactly what IT ALREADY DOES since I installed a battery shut off switch. The problem is having the battery shut off switch removes some of the drivable things my car does that I WANT to use... like the auto shut off at stops, etc. He's telling me I would need to leave the shut off valve on there.... which I want to remove. What he said they could do, is exactly what the whole system I have is already doing. I learned NOTHING and was never told at all if my battery is wired correctly or not. NOTHING I didn't already know. They brought my car out at 1:43 pm.... and guess what? it's like an oven in there! It was 88 degrees out that day and my car is so hot I burned my legs on my leather drivers seat when I got in. My question is this: Was that tech working on my car out in the back parking lot???? It took over 15 minutes for my a/c to start making it comfortable inside the car. It's a very well maintained 2020 vehicle with under 45,000 miles on it. The service manager told me I should have been prepared to spend the whole day there.... TO VISUALLY LOOK AT A COUPLE WIRES and tell me if they are correct or not? Do they even know what wires look like?? Seems not if it took that long to do anything. I can do it in under 3 minutes but I don't know what the Patriot wiring looks like or I wouldn't have wasted my time OR money. And then he says "well, the techs have to take lunch...".... was he on lunch for 4 hours????? You took the car in at 9:11, tech came out at 10:14 and his lunch is when? TO LOOK AT WIRES!!!! The incompetence here is staggering unless it is their GOAL to drag out the hours so they can charge you more for it being there. It's one of the two; I see no other options.

    Laguna RV

    Laguna RV

    4.2
    (29 reviews)

    My wife and I purchased a brand new 2025 Apex Nano 221 RLS from Laguna RV on August 2. Before…read moresigning, I negotiated with Steve, the finance manager, who clearly agreed that an extra solar panel and second battery would be included at no additional cost ( see attached pic) . After I signed and paid in full, I later discovered they added a $400 charge for the solar panel anyway, even though I have proof it was agreed to be free. They also charged me a $995 dealer prep fee for a full inspection and setup, which clearly was not performed. Immediately after bringing the RV home, I discovered multiple defects: the entrance door would not close properly, there was a loud mechanical noise from under the refrigerator, and the battery was draining down while not in use. I contacted Laguna RV and on August 12 I drove two hours to return the RV for repairs and to install the solar panel they failed to include the first time. I picked up the RV on August 16 and was told everything was resolved. However, the very next day, while preparing for our trip, I discovered two holes in the brand new floor, additional damage under the recliners, and that all the tank sensors (black, gray, and fresh water) were not working at all. With only days before my departure and no time to drive back again, I had to hire a mobile RV technician, who confirmed the issues were not quick fixes. When we finally went on our trip, the water pump failed approximately 80 percent of the time. We could not properly shower, flush the toilet, or wash hands, and the tanks overflowed because the sensors did not work. This completely ruined our trip and was unacceptable for a brand new RV. On top of that in few occasions the shower drain water got flooded so did the toilet since again the tanks sensors didn't work and we couldn't tell the tanks levels... On our way back from the trip, the situation became dangerous. About 30 minutes into the drive home, one of the weight distribution hitch bars that Laguna RV had installed fell off while driving, and we were unable to locate it. We had no choice but to continue driving with only one bar, which is not safe. Two hours later, when we arrived at a gas station, I heard a loud boom. The second bar had also fallen off. I retrieved it and disconnected the hitch entirely, and had to drive the rest of the way without any distribution bars, which defeated the entire purpose of having a distribution hitch and put us in a dangerous situation. After the trip, I brought the RV back again on September 13. Bob, the service manager, told me he submitted a warranty claim with Forest River to have the damaged floor repaired. For five weeks, every time I followed up, he told me he was still waiting for approval from the manufacturer. I eventually contacted Forest River directly and was informed that no claim had ever been submitted. Only when I confronted Bob with that information did he actually send the claim. At this point, the RV has spent more time in Laguna RV's possession than mine. I am making monthly payments on a brand new RV that was delivered with defects, unsafe conditions, and items that were never properly inspected despite a $995 prep charge. I am now filing a formal Consumer Affairs complaint and pursuing legal action through my attorney to recover the unauthorized $400 solar panel charge, the $995 dealer prep fee, the $550 I paid for the hitch installation that was done improperly, and compensation for loss of use, safety risks, and the time and stress this caused my family. I have full documentation of all communication, photos, videos, and agreements. On more point - when I texted Steve ,the finance guy, in regards to the $400 unauthorized solar panel charge he texted back " who is this?".... we basically texted 20 times prior on the same text thread... Based on my experience, Laguna RV acted deceptively, failed to meet contractual obligations, and jeopardized my safety. I strongly warn others not to do business with this dealership.

    We purchased our trailer from Laguna RV. Josh, our salesman was "no pressure" and just a good guy…read more Other than an issue with getting it delivered due to their bank, we enjoyed our buying experience. We had an issue with the trailer's solar and they sent out a RV tech to us to fix it! What other dealer will do such a thing! I highly recommend them.

    Camping World - Colton

    Camping World - Colton

    3.8
    (103 reviews)

    Nathan was awesome! One of our favorite parts of the experience at Camping World was when he was…read moreshowing us all the RVs. The way he explained everything and expressed himself, along with his personality, made us feel comfortable -- honestly, like we were at home. He was very friendly, patient, and never made us feel pressured. You can tell he genuinely cares about helping people. Nathan is a great employee and definitely represents Camping World in a positive way. Thank you for the great experience!

    RUN RUN RUN!!!!!!!! Such a SHADY camping world location!!! I requested assistance from the service…read moremanager, Enrique (who lies, lies, lies). Then went up the chain of command to the general manger, Matthew. It's sickening, especially in 2026. Our call was recorded and request it be released... Matthew PATRONIZES women!!!! He is belittling, will ask to speak to your husband, and then gaslight you!!!! He is absolutely AWFUL!!!! I can't believe he's in management at all!! I've spent less money places and received the kindest customer service, he is the opposite!!! Oh, he'll interrupt you too!! It's especially disheartening when a service department manager of another camping world location corroborates the misdeeds/issues of your complaint in the brand new motorhome owned less than a year, less than half a year for that matter. Purchased on September 4, 2025! Please let me help every future customer RUN!!!! RUN!!!! RUN!!!! Spear your self the tears!!!!!!! There is a Giant Rv right next door in Colton, and plenty of other camping worlds out of state to spare you from the WORST CUSTOMER SERVICE EVER!!!!! PSA it doesn't matter how you finance or if you pay with cash they treat you like sh*t!!!! Matthew's Boss is Michael Ancich, his email address is Michael.ancich@campingworld.com. Hopefully he provides others with better customer service than Enrique and Matthew!!

    Richardson's RV - Grand Terrace

    Richardson's RV - Grand Terrace

    3.9
    (14 reviews)

    I bought a 2003 Tahoe toy hauler that turned out to be a money pit. However, because I had already…read morespent so much on it. I decided to spend just as much to fix it. Unfortunately, I had to take it back over five times to fix the same things. Not to mention the damage created by the things not being fixed properly. The first time was not repaired properly. Overall, they did try and rectify most of the concerns, and they are definitely more reliable than the last place I used. So CAL RV repair in Temecula. Horrible!

    Richardsons Fix the way do business…read more I bought a used 2018 TT & an extended warranty from Richardsons in late 2021 took it out for the 1st trip 3 months later. Toilet flushed once then water pressure to toilet was gone. I take my Trailer in for the issue toilet won't fill properly due to low water pressure to toilet only. Kitchen, restroom sinks and shower all have good water pressure. I explain how I feel it might be the toilet valve to Guy A as he takes trailer information from me. 1 week later I get a call from Guy A saying I need a new toilet that run $700 and the warranty don't cover it. I lose my cool explain how it's BS. I just got the trailer from them, I asked don't you guys check the trailers before you sell them some kind of point inspection. The toilet worked for 1 fill then pressure was lost. He apologizes and says he understands I should had been able to use it more... I feel bad so I go into the office apologize to Guy A for losing my cool I understand it's not his fault. He seems to accept my apology so I ask him to help me understand the issues. I ask various questions when Guy B jumps in and says there's build up, could be from city or camp site having poor water and or hard water. I explain I understand, but that build up normally don't happen from 1 fish to the other it takes time. Mean while Guy A went back to speak with the service tech and confirmed that water is flowing to the toilet but then there's build up. I say thank you and say I'm not paying for a toilet. They explain how I'm gonna have to pay $175 for the time spent. I tell them I can't take trailer yet cuz I'm in my car. I return an 45min later with warranty in hand to show that warranty states it covers valves and fittings which I felt is where the issue is. Guy A is on the phone so I'm standing there waiting Guy B asks what I have, I say my warranty showing valves are covered did you guys check the valve? He then replied with yes there is blockage warranty won't cover blockage you need a new toilet if you want it fixed. Guy A gets off the phone and says they were going to let me take my trailer with no charge cuz I didn't sign that section of the paperwork. I say thanks can I pick it up tomorrow. I pick up trailer the next day take it home and in 20 min I have the toilet removed and bypassed the valve and toilet works fine. What really gets me is that there was no attempt to fix my toilet just sell me a new one. Not even a $175 per hour charge and a $30 valve was offered just a $700 new toilet. I really hope that Richardsons as a company can fix how they do business cuz I'm only 2 min away and hope that when I run into a problem outta my capabilities they don't try and take advantage of me again. I spoke with Brad I believe. He was helpful in getting me info. Not sure who serviced the toilet or who told him I needed a new one. Not sure who the guy sitting next to him that said if I wanted it fixed I needed a new toilet was ether. Toilet is working fine now that I fixed it myself so no matter what they say I didn't need a new one.

    Mike Thompson's RV

    Mike Thompson's RV

    3.2
    (81 reviews)

    We drove from Pismo Beach to Colton to view a 2018 Holiday Rambler Vacationer, which will be our…read morefirst motorhome. We initially spoke with Kaitlyn Mahoney over the phone regarding the motorhome. When we met Kaitlyn in person, she was genuinely a wonderful individual who made us feel like we were meeting a good friend. She took a sincere interest in understanding our wants and needs for this major purchase. Kaitlyn spent considerable time answering all of our questions and thoroughly showing us the motorhome in detail. Her professionalism, knowledge, and friendly approach made the entire experience enjoyable and stress-free. A special shout-out to the other team members as well--Doug, Curtis, and Francisco in Service and Parts--for helping coordinate our needs and ensuring everything was addressed. Last, but certainly not least, Mike provided a complete, thorough, and highly detailed walkthrough of our new motorhome. As first-time motorhome owners, we greatly appreciated the time he took to explain the systems, operation, and maintenance requirements. His patience and attention to detail gave us confidence as we begin this new adventure. Do I have any negatives regarding Mike Thompson RV in Colton? Only one: the starter motorhome package was not worth the value for the price based on the contents provided in the box. Overall, our experience with Mike Thompson RV was outstanding. Thank you to the entire team for making this such a positive and memorable purchasing experience.

    I brought my van in for two warranty-covered issues and explained that I needed the repairs…read morecompleted quickly because I had two upcoming trips planned. The service staff assured me the work would be completed promptly so I would not have to cancel my trips. About a week later, I received a call letting me know my van was ready for pickup. When I arrived, I was pleased to find that all of the issues had been fully resolved. While reviewing the completed work, the technician, John, took the time to meet with my wife and me to explain the repairs he performed, as well as the preventative measures he implemented to help ensure the issues would not occur again in the future. I would like to sincerely thank the entire Service Department, especially the service writer, Francisco, and the technician, John, for their outstanding customer service, professionalism, and quick turnaround time.

    So Cal RV Inspection

    So Cal RV Inspection

    5.0
    (7 reviews)

    I am one difficult customer to please, and James ("Jim") got it done. I have an eye for detail and…read moreimperfections that only someone like James can match. Even though my wife and I were in the process of purchasing a brand-new motorhome, I wanted to have another pair of eyes look over and test everything. There are hundreds and hundreds of items to check on a motorhome, and James knows them all, and how to test them. I recommend James if you are purchasing new, because before you take your rig off the lot is the best time for you to point out items in need of replacement, repair, or adjustment to the dealer. You are buying a new RV, and you expect everything to be in perfect working order, but you cannot assume it to be. If you are buying used, you MUST use an inspector. You'd be crazy not to just to save a few hundred bucks which you'll probably spend on the first repair. Jim gave us a checklist of every item he inspected, which was exhaustive. He is a competent professional with a keen eye for detail and a method of operating that is thorough, timely, and reliable. I trust him after our first experience and trust me, you will too. Thanks Jim - we love our new Roadtrek CS Adventurous!!

    We called Dan to inspect an RV prior to purchase. We live out of state so it was important for…read moresomeone to have eyes on it for us. Boy did Dan save us thousands of dollars. He was so thorough and caught every detail you could not miss but the ones you could. His report came quickly and told the entire tale. He inspected the RV from head to toe, inside and outside. We saw hundreds of pictures, a detailed report and a personalized phone call after everything was complete. The RV was a definite no-go. Thank you Dan!

    Giant RV - rv_dealers - Updated July 2026

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