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Grand Design Momentum reviews

3.5 (75 reviews)
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Liveability
3.8
Overall quality
3.0
Floorplan
4.3
Driving/towing
3.7
Factory warranty
2.9

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Voted most helpful review

Dennis Hamilton

California, USA

Reviewed on June 7, 2024

RV reviewed 2023 Grand Design Momentum 320g view listing

2.4
I’m sure everyone like my wife and I want to get away and an RV and enjoy the experience and go to different places. My wife and I had a 2009 stellar eclipse toy hauler over the years. We had to replace many of the junk parts that they put on this unit. My wife and I would always notice the Grand Design... read more
I’m sure everyone like my wife and I want to get away and an RV and enjoy the experience and go to different places. My wife and I had a 2009 stellar eclipse toy hauler over the years. We had to replace many of the junk parts that they put on this unit. My wife and I would always notice the Grand Design momentum has been the top of the class draft about buying one for six years and then decided this year. We pulled the plug and bought one. The momentum 320 G looks good from the outside, but things went wrong the very beginning on the first day of our first trip the middle air condition went out that took seven weeks to repair. On second trip the generator would start. It doesn’t look like a bright future for traveling in our Grand Design momentum 322. I’m expressing to you that the quality of products have no quality buyers beware
Livability
3.0
Overall quality
3.0
Floorplan
3.0
Driving/towing
1.0
Factory warranty/support
2.0
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Voted most helpful review

Debbie Nielsen

Washington, USA

Reviewed on June 6, 2024

RV reviewed 2018 Grand Design Momentum 388TH view listing

5.0
Ours is a 2018 that we have had absolutely no problem with. I take that back, we had a small slide issue that Grand Design quickly provided us with a replacement part for no cost. We simply paid a RV mobile repair to install and its been great since! We have been living in ours since June 2022, purchased us... read more
Ours is a 2018 that we have had absolutely no problem with. I take that back, we had a small slide issue that Grand Design quickly provided us with a replacement part for no cost. We simply paid a RV mobile repair to install and its been great since! We have been living in ours since June 2022, purchased used. This has been an exceptional unit. Our 2022 Ram 3500 pulls this without issue. Lots of storage, I can't say enough great things about our home!
Livability
5.0
Overall quality
5.0
Floorplan
5.0
Driving/towing
5.0
Factory warranty/support
5.0
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Voted most helpful review

Caine W Kimble

Idaho, USA

Reviewed on January 17, 2024

RV reviewed 2022 Grand Design Momentum 395M view listing

1.2
We bought a brand new 2022 Grand Design Momentum 395 MS in June 2022. We shortly started having issues with everything. The door couldn't be shut unless you slam it. The garage door and track broke. We weren't able to use the patio or entrance at all. The sewer line cracked and started leaking. (Not during wi... read more
We bought a brand new 2022 Grand Design Momentum 395 MS in June 2022. We shortly started having issues with everything. The door couldn't be shut unless you slam it. The garage door and track broke. We weren't able to use the patio or entrance at all. The sewer line cracked and started leaking. (Not during winter months). The wall separating the garage from living room separated from the ceiling. The walls were coming apart in the bedroom. The furnace would not turn on in the middle of the night unless I got up and turned it on manually every one-two hours. We had the ignitor board fixed. This only worked for a couple of weeks and then we started having the same issue again. We took it into Bish's where it sat for 5 months while they tried to fix everything. They ended up replacing the entire furnace and everything else. The ceiling immediately separated again. The oven ignitor went out and the entire oven had to be replaced. After another couple of weeks the furnace started doing the same thing. We had the motherboard replaced and the command center. The ignitor board went out again and had to be replaced. We had to replace the female power outlet to connect to power. We soon discovered that the water system is completely defective and started leaking after 20+ hours of repairs we finally stopped the leaking. Due to the tubing and clamp job they did during manufacturing the entire water system needs to be relined and redone. The lines in the shower need to be redone requiring the walls to be removed. The lines underneath the sink all need to be fixed as well. We fixed the propane regulator finally fixing the furnace issue during the night. After 3 months of infrequent use of the BRAND NEW furnace the motor burned out again. The entire venting system is not correctly done. Per the Suburban manual we are supposed to have 4.4 vents we barely have 3 and that was after fixing the 4 inch vent we had the one in the kitchen opened out more because it was never completely opened during manufacturing and occluded approximately 85%. The foam seal was blocking the air flow we were only receiving 1 x 1.5 in of air flow through a 4 inch duct. In order to prevent the motor from continuing to burn out we need to add another 4 inch and 1.5 in vent. We use this 5th wheel for work. We are unable to leave it anywhere for very long without winterizing it because since the furnace won’t work everything will freeze. This is a defective unit. Since the duct system is a preexisting issue NWAN will not cover these expenses. The faulty duct system is causing the motor in the furnace to burn out and it only takes a couple of uses of the furnace to burn it out. The issues with this camper has disrupted our work, displaced my family, and has cost us thousands of dollars in repairs on top of traveling, hotels, loss of food. We are not new to 5th wheels, this being our third. We wanted the Grand Design because it is marketed as a high-quality top of the line product. We are grossly dissatisfied with Grand Design and their customer service team. We have called and are told they are unable to disclose any information about our claim only the agent can. I have sent two emails since 1/4/2024 and have not received any responses. We have already spoken to the dealership. We don't think us eating $35,000 + is fair for a defective product Grand Design manufactured. We are defeated and done. Our family is separated and displaced. The issues are never ending, we feel like we finally get everything fixed and the next day it’s something else. We don’t want this camper anymore or any other camper that Grand Design has touched.
Livability
1.0
Overall quality
1.0
Floorplan
2.0
Driving/towing
1.0
Factory warranty/support
1.0
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Voted most helpful review

Bradley Weaver

Reviewed on October 9, 2023

RV reviewed 2022 Grand Design Momentum 395M view listing

5.0
We lived in our 395 for 10 months and it was amazing. Our kids loved it. Floor plan was perfect for family of 5. Nice living room layout. Grand design was exceptional quality. As we traveled across the US we heard story after story of poor quality rvs. Grand design must be the best. I felt so blessed w... read more
We lived in our 395 for 10 months and it was amazing. Our kids loved it. Floor plan was perfect for family of 5. Nice living room layout. Grand design was exceptional quality. As we traveled across the US we heard story after story of poor quality rvs. Grand design must be the best. I felt so blessed we bout this rig. It held up so well!
Livability
5.0
Overall quality
5.0
Floorplan
5.0
Driving/towing
5.0
Factory warranty/support
5.0
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Voted most helpful review

Wayne Carpini

Reviewed on October 4, 2023

RV reviewed 2023 Grand Design Momentum 38 view listing

1.8
Where to begin. After one day old it’s back at the dealership for warranty. The oven needs to be replace. The refrigerator doesn’t work so it needs to be replace. The microwave comes on by itself so it needs to be replaced. The fuel station tank is cracked so contaminants and water got inside ... read more
Where to begin. After one day old it’s back at the dealership for warranty. The oven needs to be replace. The refrigerator doesn’t work so it needs to be replace. The microwave comes on by itself so it needs to be replaced. The fuel station tank is cracked so contaminants and water got inside the tank so it needs to be replaced. Fuel lines of generators clogged up. No help from Grand Design. Brand new trailer. I had it one day now it sits at the dealership while I make payments. Grand Design is absolutely no help. Don’t buy a Grand Design Trailer. Run away from it as fast as you can. What a nightmare. The list goes on and on. Grand Design is Trash.
Livability
1.0
Overall quality
1.0
Floorplan
5.0
Driving/towing
1.0
Factory warranty/support
1.0
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Voted most helpful review

Wayne Carpini

Reviewed on September 27, 2023

RV reviewed 2023 Grand Design Momentum 38 view listing

2.2
I’m very unhappy. 2 days old. Fridge,oven,microwave AC And Heat does not work. All have to be replaced. WOW not even a week old never was able to use it. I believe Grand Design is now making very expensive garbage.Run away do not purchase one of these Trailers. Buyer beware. You have been warned. All... read more
I’m very unhappy. 2 days old. Fridge,oven,microwave AC And Heat does not work. All have to be replaced. WOW not even a week old never was able to use it. I believe Grand Design is now making very expensive garbage.Run away do not purchase one of these Trailers. Buyer beware. You have been warned. All I have now is a 120k lump of coal and a payment.
Livability
1.0
Overall quality
1.0
Floorplan
5.0
Driving/towing
3.0
Factory warranty/support
1.0
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Voted most helpful review

Ralph

Ontario

Reviewed on October 13, 2022

RV reviewed 2016 Grand Design Momentum 376TH view listing

2.8
Purchased new in 2016 (September) from at the time the only dealer in Ontario. PDI was poorly done which as it turns out was only the beginning of the poor quality and engineering of this unit. We do really like the layout and livability of this unit and have used it extensively in Ontario as well as in the U... read more
Purchased new in 2016 (September) from at the time the only dealer in Ontario. PDI was poorly done which as it turns out was only the beginning of the poor quality and engineering of this unit. We do really like the layout and livability of this unit and have used it extensively in Ontario as well as in the USA. Normal highway,interstate and campground driving. Since new we have replaced taps, all tires (China Bombs),light fixture in kitchen, equalizers twice, all leaf springs, rear ladder separated from trailer ( I weigh 185 lbs), front passenger side slide motor ,water damage in rear outdoor kitchen ( floor destroyed ). Door for fridge access outside was improperly installed . Now we have structural failure in front drivers side and delaminating wall that needs to be repaired this winter. Main brain for auto level system failed. All in nearly $30000 in bills when all in. Grand Design basically says so said sucks to be you. We have traded it in for a 2 year newer other brand and will never deal with this company again. Amazing marketers, lousy builder !!!
Livability
2.0
Overall quality
2.0
Floorplan
5.0
Driving/towing
4.0
Factory warranty/support
1.0
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Voted most helpful review

pam jurick

Michigan

Reviewed on May 5, 2022

RV reviewed 2020 Grand Design Momentum 320g view listing

5.0
We have taken some amazing trips. We love our fifth wheel. I can't say anything bad except we have to sell. It's a beautiful fifth wheel toy hauler. Grand Design Momentum pays attention to detail. We have made awesome memories and now we need to pass it on... read more
We have taken some amazing trips. We love our fifth wheel. I can't say anything bad except we have to sell. It's a beautiful fifth wheel toy hauler. Grand Design Momentum pays attention to detail. We have made awesome memories and now we need to pass it on
Livability
5.0
Overall quality
5.0
Floorplan
5.0
Driving/towing
5.0
Factory warranty/support
5.0
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Voted most helpful review

Esther Wolf

Texas

Reviewed on April 2, 2022

RV reviewed 2020 Grand Design Momentum 397TH view listing

5.0
We have so enjoyed our Momentum. The Artic package proved its worth during snow-maggeddon. My husband and I purchased our RV April of 2020 brand new from McClains RV in Denton, TX. It has been our main living space when we are not working. Our Children has visited and the quietness of the garage living spa... read more
We have so enjoyed our Momentum. The Artic package proved its worth during snow-maggeddon. My husband and I purchased our RV April of 2020 brand new from McClains RV in Denton, TX. It has been our main living space when we are not working. Our Children has visited and the quietness of the garage living space with the 2nd bathroom provided an enjoyable stay for all. With many amenities from the Artic package with the amazing Onan that kept us warm and with power when the power was out in Texas, to the auxiliary fuel tank and water tanks and the easily convertible garage space, we give this RV a 10 out 10 on ease to care, move and haul.
Livability
5.0
Overall quality
5.0
Floorplan
5.0
Driving/towing
5.0
Factory warranty/support
5.0
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Voted most helpful review

Pat McDevitt

Wisconsin

Reviewed on March 29, 2022

RV reviewed 2021 Grand Design Momentum 28G view listing

1.4
At first glance Grand Design looks like a good reputable company, after having our G Class Momentum 5th Wheel for 1 year, it has spent 4 months in the repair shop. Our 1st issue was with the Patio Door, one side of the door track is wider than the other by 1/8" this allowed the window to fall out whe... read more
At first glance Grand Design looks like a good reputable company, after having our G Class Momentum 5th Wheel for 1 year, it has spent 4 months in the repair shop. Our 1st issue was with the Patio Door, one side of the door track is wider than the other by 1/8" this allowed the window to fall out when you opened it. This was agreed to be fixed; however, it took months for the parts to fix and when they came in the window was not included. Hopefully this is now fixed. Our 2nd issue was with the cabinets, one of the cabinet’s shelves was installed wrong, the support was put on the top side instead of the bottom, and this allowed the shelf to detach once weight was introduced. It took some time but after several months we got parts to fix the problem. Communication was less than good from Grand Design; it took several calls and email to get a respond when i was checking on status of the parts. During this time, we noticed the floor in the bedroom was wet after it rained. We use our camper often, and fortunately we had not been in the camper when it was raining until this point. When it was hot in the summer, we could smell a little musty smell and the floor squeaking when you walked under the a/c. After complaining about this it was determined that when the A.C was installed they had a wire installed incorrect under the a/c gasket, this allowed water to enter the camper below the a/c sine it was not sealed correctly. Now this is fall October, the camper was Built a year prior to this, how much water has entered the camper and compromised the wood floor? The walls? The bed frame? Grand Design authorized the dealer to brace the floor. So, we have a water problem for a year and rather than replacing wood that likely was damaged from an issue caused by poor installation they are stepping up to brace the floor. If you have water damage in your home to wood subfloor, you replace it, why would my camper be treated any different? They stated the bracing is all they will do. In my opinion this is not taking care of the customer after the sale or customer focused as touted on the Web page, Now we have many other issues which are still pending after the last 6-week stint at the dealer, we still have not had the Slide repaired, one side does not open all the way, it leaves a gap of about 1/2 inch. They have ordered a part but still not in. The best is the refrigerator freezer, we noticed issues while using for an extended period of time. On one side of the freezer we noticed it took 2-3 days for ice to freeze. We informed the dealer, the made a warranty claim with Grand Design, they were told to adjust the doors, the dealer did this and advised the one door is installed at an angle, and adjusting will not fix, they recommended replacing the unit. Grand Design has now asked me to send them pictures showing the work is done, she also asked me to fold a dollar bill, and see if it will slide between the gasket and the refrigerator. And we need to take pictures of this. Now mind you, the customer service manager read the notes from the dealer, she was aware of the door mount being crooked, but still insisted we need to do these other steps before she can submit for replacement. Again, this is top notch customer service as describe on the Web page. If they do not trust the dealer to have done the repairs, maybe they should require pictures from the dealer showing warranty repairs are completed. Having the customer do this is a tad ridiculous. Other "quality" issue include not putting all of the screws into the floor trim, a new one is ordered, still not in. Televator falling, the Stop was installed with small staples, this allowed the stop to fall off and have the TV fall into the Televator area. Again, another Quality issue. Other issues include door adjustments, light issues and other small items, the gate for the deck frame is bent, this made it hard to close, dealer made adjustment, but still bent with opening and closing issues. These issues have partially been addressed. When you read Grand Designs web page and they state how great they are in Quality, Customer Service, and how they take care of customers after the sale. This is not our experience with Grand Design at all. Unfortunately our experience is very poor with Grand Design. I understand that the camper is a rolling hurricane and things can happen, what I cannot understand is the customer service and warranty issues with getting repairs authorized and completed. And the lack of care about the product they put out. I am sure with the market the way it has been in the last few years, they don't have to care about customers. I would shy away from Grand Design products. Future Ex Grand Design Owner
Livability
2.0
Overall quality
1.0
Floorplan
2.0
Driving/towing
1.0
Factory warranty/support
1.0
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