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The values presented on this site are for estimation purposes only. Your actual payment may vary based on several factors such as down payment, credit history, final price, available promotional programs and incentives. Applicable tag, title, destination charges, taxes and other fees and incentives are not included in this estimate.

Dealer Spike is not responsible for any payment data presented on this site. Please verify all monthly payment data with the dealership’s sales representative.

2024 Grand Design Momentum M-Class 398M

  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New-2024-Grand Design-Momentum M-Class 398M-Union Gap WA
  • New
  • In Stock
  • Union Gap WA
  • Y2148
  • 573FM4633RBB01635
  • Trailer
  • Fifth Wheel

2024 Grand Design Momentum M-Class 398M

Extreme R&R.

Our top-of-the-line Momentum M-CLASS Fifth Wheel Toy Haulers are — inside and out — our most luxurious Toy Haulers. With the comfort of a master suite and master bath, home’s now a long way from your house.

Features may include:

Exterior
  • Keyed Alike™ Ramp Door Latches
  • 2nd Patio Awning w/ LED Lights
  • 3rd Awning w/LED Lights
  • Exterior Color Changing LED Accent Lighting
  • High-Gloss Gel Coat Exterior Sidewalls
  • Door Side Exterior Spray Port
  • Frameless Tinted Windows
  • Walk-On Roof
  • 17.5" Spare Tire (Undermount)
  • SolidStep Quad Entry Steps
  • Slam-Latch Baggage Doors
  • Mo Secure
Interior
  • Interior Color Changing LED Accent Lighting
  • Hardwood Cabinet Doors w/Hidden Hinges
  • Sofa w/Headrest & Removable Swivel Tables (Includes Heat, Massage & LED Lighting Package)
  • Central Vacuum System w/ Tools and Dust Pan
  • Plywood Drawer Bottoms
  • Microwave
  • Residential Kitchen Faucet
  • Professional Grade Stainless Steel Cooktop
  • 12v High Power MaxxAir Fan with Rain Sensor
  • Window Behind Range
  • Kitchen Barstools w/Extended Countertops
  • Fireplace with Electric Heater
  • Stainless Steel 20 cu. ft. Refrigerator
  • 30" Over-The-Range Microwave
  • Under Bed Storage Area
  • Individually Switched Reading Lights Over Bed
  • Bedside 110-Volt & USB Outlets
  • Window Above Master Bed Headboard
  • 60" x 80" Queen Pillow Top Bed Mattress
  • Skylight Above Shower
  • Porcelain Toilet
  • Medicine Cabinet w/Mirrored Door
  • Undermount Lav Sink
  • One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat
  • Union Gap WA
  • New
  • Y2148
  • 2024
  • Grand Design
  • Momentum M-Class 398M
  • Trailer
  • Fifth Wheel
  • Grand Design Momentum
  • 573FM4633RBB01635
  • No
  • 13' 6"
  • 13' 6"
  • 43' 11"
  • 8' 5" | w/ slide out: 13' 5"
  • Standard Bed: 60 X 80 Queen Bed | Shower: 48 X 30
  • 18'
  • 15' | 18'
  • Hitch / Pin: 2,980 lbs.
  • 15,000 lbs.
  • 20,000 lbs.
  • 155 gal.
  • 104 gal.
  • 52 gal.
  • 60 lbs.
  • 8
  • 60 gal.
  • On-Demand
  • 20 cu. ft.
  • 35,000 BTU
  • 30,000 BTU
  • 3
  • 17.50 in.
  • ST215/75R17.5 LRH
  • Propane Tanks: 4 | Construction Type: Aluminum Cage | Slide Room R-Value:R-11 | Garage R-Value: R-40 | Awnings: 2
  • R-45
  • R-11
  • R-40
  • 3

Get an Estimate for Your Payment

  • Estimated Payment
  • Calculation is estimate only.

Advertised pricing excludes applicable taxes title and licensing, dealer set up, destination, reconditioning and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.