RV Type
Make and model
Floorplan
Year
Grand Design Momentum 399THpage=2 reviews
Liveability
1.0
Overall quality
1.0
Floorplan
1.0
Driving/towing
1.0
Factory warranty
1.0
Reviews
Stars Refinement
1 ratings and reviews
Voted most helpful review
GAYLE ANNETTE SHEPPARD
Washington, USA
Reviewed on August 9, 2025
RV reviewed
2017 Grand design Momentum C class 328 2 slides
4.8
We have owned one of these for 6 years and never had an issue, only 4 stars on factory warranty because never used that service. We traveled around the western states every winter and truly enjoyed living in this model. We brought our bicycles and my husband's motorcycle and were able to enjoy...read more
We have owned one of these for 6 years and never had an issue, only 4 stars on factory warranty because never used that service. We traveled around the western states every winter and truly enjoyed living in this model. We brought our bicycles and my husband's motorcycle and were able to enjoy them many places.
Livability
5.0
Overall quality
5.0
Floorplan
5.0
Driving/towing
5.0
Factory warranty/support
4.0
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