2022 Grand Design Momentum M-Class 398M in Bonney Lake WA

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RV Country Bonney Lake
21803 WA-410
Bonney Lake, WA 98391
United States

2022 Grand Design Momentum M-Class 398M
Fifth Wheel
Stock Number
VIN Number


Grand Design Momentum M-Class toy hauler 398M highlights:

  • 18' Separate Garage
  • Bedroom Wardrobe Slide
  • Four-Seat Sofa
  • Stowable Table
  • Kitchen Island w/Bar Stools
  • Dual Entry Doors
  • Universal Docking Station


Load up your toys gear clothes and food to enjoy some off-road fun with your toys and friends! Once at the RV park unload your toys and setup the three slide outs the two awnings and begin planning your trail rides! You might decide to make a meal or snack in the combined kitchen and main living area which offers all the appliances you need plus a kitchen island with extended countertop and two bar stools a pantry a 49" LED TV with a fireplace below plus a slide out four-seat sofa. The garage even offers the option to add two Happi-Jac rollover sofas and a table with a top bed if you want seating and sleeping space plus there is storage a prepped space to add a washer/dryer option and an optional half bath. The overhead loft bed provides sleeping space as well. You will love the sunken tub/shower with a seat in the full bathroom with a space savings sliding door and the front bedroom can be your escape. There is a queen bed a slide out wardrobe and USB charging outlets. If you want less garage space take a look at 349M!


The Momentum M-Class fifth wheel toy haulers by Grand Design are lighter than the Momentum yet aren't lightweight on features when it comes to elegant design luxury and a "Class" of its own!  The chef-inspired kitchen provides a free-standing 3.7 cu. ft. gas range a four burner cooktop with cast iron grill an electronic ignition oven and a digital display and interior oven light plus 42500 BTU of cooking power. The upgraded main bathroom offers solid surface counter tops a three-jet shower panel system a shower wand and a teak bench seat. Each toy hauler includes a triple insulated garage floor Tuff-Ply gas and oil resistant garage flooring 2500 lb. rated flush-mount tie-downs and a Fast Ramp rear ramp door with two-sided lift-assist technology making it easy for one person to operate.  And the MORryde CRE3000 suspension system and the rubber pin box plus the upgraded axle hangers provide performance and smooth towing to your favorite destinations!

RV Dealer in
21803 WA-410
Bonney Lake WA 98391
United States

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