Used
Toy Hauler · #206357
2018 Grand Design RV Momentum 399th
43.3
Length (ft)
9
Sleeps
20,000
GVWR (lbs)
$64,995
~$516/mo est.*
RVs
Used
Used
Toy Hauler · #114629
2020 Grand Design RV Momentum 399th
44.8
Length (ft)
7
Sleeps
20,000
GVWR (lbs)
$79,995
~$635/mo est.*
Used
Toy Hauler · #118078
2021 Grand Design RV Momentum 397th
43.1
Length (ft)
7
Sleeps
20,000
GVWR (lbs)
$62,995
~$500/mo est.*
Frequently Asked Questions
What towing capacity do I need for a RV?
Most RVs require a vehicle rated for at least the unit's GVWR plus 1,000 lbs of margin. We'll match you with units your tow vehicle can handle.