Owners Say
Customer reviews of the Grand Design Momentum reveal significant concerns about build quality and reliability. Many users report severe manufacturing defects, such as "parts falling off" and "poor workmanship," leading to repeated service visits. Issues like leaks, structural failures, and electrical malfunctions indicate a pattern of inconsistency. While some praise customer service, others describe frustrating experiences with warranty claims. Overall, despite its appealing features, many consider the Momentum overpriced for its lack of reliability, stating it's a "big disappointment" and cautioning potential buyers to "run away" from these models.
79 reviews
Jason's experience with the Grand Design Momentum
2020 Grand Design Momentum 21g
2.4
Like many others here, we did A LOT of research before purchasing a toy hauler. We understand that most RV's are poorly built (somehow this industry gets away with it year after year with little to no consequence) so we decided to spend the...
Jason
California - May 21, 2025
Originally reviewed on RvInsider.com
Patrick's experience with the Grand Design Momentum
2024 Grand Design Momentum 27 Mav
2.2
This is the third camper we have purchased for our family. We switched to Grand Design because of all the great things we have heard about them.
This camper has been nothing but a nightmare. We purchased it brand new. After our first t...
Patrick Mcmahon
Indiana - Mar 6, 2025
Originally reviewed on RvInsider.com
Warren's experience with the Grand Design Momentum
2022 Grand Design Momentum 397th
2.8
Rv was assembled in a hurry. Very poor and sloppy workmanship. End result is missing parts, things falling apart. Excess frame flex/failure. Wrong bolts, missing bolts, bad welds, suspension failure, bad frame design, things falling apart...
Warren Colburn
Kentucky - Oct 14, 2024
Originally reviewed on RvInsider.com
Grand Design Momentum RVs for sale
Javier's experience with the Grand Design Momentum
2023 Grand Design Momentum 29 G
1.8
I decided to trade in my Motorhome for a Toy Hauler and chose Grand Design because of the supposedly good reviews they have that are very questionable today. I picked up my new Momentum 29G in December 2023, it was supposed to bring us fun ...
Javier
Florida - Oct 10, 2024
Originally reviewed on RvInsider.com
Dennis's experience with the Grand Design Momentum
2023 Grand Design Momentum 320g
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 ...
Dennis Hamilton
California - Jun 7, 2024
Originally reviewed on RvInsider.com
Debbie's experience with the Grand Design Momentum
2018 Grand Design Momentum 388th
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 ...
Debbie Nielsen
Washington - Jun 6, 2024
Originally reviewed on RvInsider.com









































