2023 Grand Design Momentum 398M

New Toy Hauler in Whitewood, South Dakota, 57793

$112,900.00
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New 2023 Grand Design Momentum 398M available in Whitewood, South Dakota
2023 Grand Design Momentum 398M - New Toy Hauler For Sale by Northern Hills Homes and RV's in Whitewood, South Dakota features LP Detector, Skylight, CO Detector, External Shower, Toilet
2023 Momentum 398M by Grand Design from Northern Hills Homes and RV's in Whitewood, South Dakota
New 2023 Grand Design Momentum 398M available in Whitewood, South Dakota

Unit Specs

  • In Stock
  • Stock #GD23M04
  • Year2023
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum
  • Floorplan398M
  • Type Toy Hauler
  • ConditionNew
  • Length43' 11"
  • VIN3894
  • MSRP $161,293.00
  • Sale Price $112,900.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps11
  • Water Capacity (Fresh)155 gal
  • Water Capacity (Black)52 gal
  • Water Capacity (Grey)104 gal
  • Air Conditioners3
  • A/C Spec30000 BTUs
  • Slideouts3
  • Payload Capacity5000 lbs
  • Dry Weight15,000 lbs
  • Tow/Hitch Weight2980 lbs
  • # Axles3

Explore the 2023 Grand Design Momentum 398M Toy Hauler

Introducing the ultimate adventure companion, the 2023 Grand Design Momentum 398M, a spacious and luxurious towable RV designed for those who seek excitement and comfort. Perfectly crafted for outdoor enthusiasts, this toy hauler is ready to take you on unforgettable road trips with family and friends.

Key Features

  • Microwave and Oven for effortless meal preparation
  • Refrigerator and Stove Top Burner for all your cooking needs
  • Water Heater and Air Conditioning to ensure comfort in all climates
  • Auxiliary Battery, CO Detector, and LP Detector for added safety
  • Smoke Detector and TV to keep you informed and entertained
  • Awning and External Shower for your convenience
  • Ladder and Leveling Jacks for easy setup and access
  • Power Roof Vent and Skylight for ample ventilation and natural light
  • Three Slideouts to expand your living space
  • Spare Tire Kit and Bunk Beds for added practicality and comfort
  • Central Vacuum and Fireplace to enhance your living experience
  • Medicine Cabinet, Queen Bed, Roof Vents, Shower, and Toilet for full amenities

Dimensions and Capacity

The Grand Design Momentum 398M measures an impressive 43 feet 11 inches in length and boasts a dry weight of 15,000 pounds. With a gross vehicle weight of up to 20,000 pounds and a payload capacity of 5,000 pounds, you can confidently pack all your gear and toys for any adventure.

Spacious Interior

This remarkable toy hauler can comfortably sleep up to 11 people, making it ideal for group outings. Enjoy the luxurious amenities and spacious layout, which includes three slideouts providing additional room for relaxation and activities.

Water Capacity and HVAC

The Momentum 398M is equipped with a fresh water capacity of 155 gallons, along with a grey water capacity of 104 gallons and black water capacity of 52 gallons, allowing for extended trips with minimal interruptions. With three air conditioners delivering a total of 30,000 BTUs, your comfort is guaranteed, no matter the climate.

Currently in stock, this brand new toy hauler stands ready to elevate your outdoor adventures. Don’t miss out on the chance to own this versatile and well-equipped 2023 Grand Design Momentum 398M!

2023 Grand Design Momentum 398M Features


  • Appliances
    Microwave, Oven, Refrigerator, Stove Top Burner, Water Heater
  • Electrical
    Air Conditioning, Auxiliary Battery
  • Equipment
    CO Detector, LP Detector, Smoke Detector, TV
  • Exterior
    Awning, External Shower, Ladder, Leveling Jacks, Power Roof Vent, Skylight, Slideout, Spare Tire Kit
  • Interior/Furnishings
    Bunk Beds, Central Vacuum, Fireplace, Medicine Cabinet, Queen Bed, Roof Vents, Shower, Toilet

2023 Grand Design Momentum 398M Literature


2023 Momentum Brochure PDF 2023 Momentum Brochure 1
Seller Info

Northern Hills Homes and RV's

12173 SD Highway 34
Whitewood, SD 57793

Member Since 2015

See 146 Reviews

Unit Specs

  • In Stock
  • Stock #GD23M04
  • Year2023
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum
  • Floorplan398M
  • Type Toy Hauler
  • ConditionNew
  • Length43' 11"
  • VIN3894
  • MSRP $161,293.00
  • Sale Price $112,900.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps11
  • Water Capacity (Fresh)155 gal
  • Water Capacity (Black)52 gal
  • Water Capacity (Grey)104 gal
  • Air Conditioners3
  • A/C Spec30000 BTUs
  • Slideouts3
  • Payload Capacity5000 lbs
  • Dry Weight15,000 lbs
  • Tow/Hitch Weight2980 lbs
  • # Axles3

Email Seller

Request More Info on this 2023 Grand Design Momentum 398M Offered for sale by Northern Hills Homes and RV's
Northern Hills Homes and RV's
Northern Hills Homes and RV's

12173 SD Highway 34
Whitewood, SD 57793

Phone: Click to Call

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2023 Grand Design Momentum 398M Gallery

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New 2023 Grand Design Momentum 398M available in Whitewood, South Dakota
2023 Grand Design Momentum 398M - New Toy Hauler For Sale by Northern Hills Homes and RV's in Whitewood, South Dakota features LP Detector, Skylight, CO Detector, External Shower, Toilet
2023 Momentum 398M by Grand Design from Northern Hills Homes and RV's in Whitewood, South Dakota
New 2023 Grand Design Momentum 398M available in Whitewood, South Dakota
Floorplan of 2023 Grand Design Momentum 398M