2026 Grand Design Momentum 381MS

New Toy Hauler in Oklahoma City, Oklahoma, 73127

$149,995.00
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New 2026 Grand Design Momentum 381MS available in Oklahoma City, Oklahoma
2026 Grand Design Momentum 381MS - New Toy Hauler For Sale by McClain's RV Oklahoma City in Oklahoma City, Oklahoma features TV, Leveling Jacks, Medicine Cabinet, Microwave, Stove
2026 Momentum 381MS by Grand Design from McClain's RV Oklahoma City in Oklahoma City, Oklahoma
New 2026 Grand Design Momentum 381MS available in Oklahoma City, Oklahoma

Unit Specs

  • Stock #15000
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum
  • Floorplan381MS
  • Floorplan LayoutFront Bedroom
    Kitchen Island
    Mid Kitchen
    Mid Living Area
  • Type Toy Hauler
  • Secondary Type Fifth Wheel
  • ConditionNew
  • Length43' 11"
  • Height13' 6"
  • VIN573FM4539TBB04578
  • MSRP $173,476.00
  • Sale Price $149,995.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps6
  • Water Capacity (Fresh)140 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)52 gal
  • Air Conditioners1
  • A/C Spec30000 BTUs
  • GVWR22,500 lbs
  • UVW15,800 lbs
  • Slideouts3
  • Tow/Hitch Weight3440 lbs
  • # Axles3

Momentum 381MS Toy Hauler by Grand Design — 2026 Towable RV

Overview

Meet the 2026 Grand Design Momentum 381MS, a premium towable RV crafted for serious travelers and outdoor enthusiasts. This recreational vehicle combines stylish, residential-inspired living spaces with the practical versatility of a toy hauler, making it ideal for families or groups that want to bring along gear, toys, or extra equipment without sacrificing comfort. The Momentum line is known for its durable construction, thoughtful storage opportunities, and upscale interior finishes that elevate every road adventure.

Key Details

  • Brand: Grand Design
  • Model: Momentum
  • Type: Toy Hauler
  • Classification: Towable RV
  • Floorplan: 381MS
  • Year: 2026
  • Condition: New
  • Stock Number: 14999
  • VIN: 573FM4537TBB04577
  • Notes: Floorplan indicates a balanced layout designed for living comfort and cargo versatility

Why Choose the Momentum 381MS

The Momentum 381MS represents Grand Design’s commitment to quality and value in the travel trailer market. Built as a robust recreational vehicle, this model emphasizes a bright, inviting interior, dependable towing performance, and flexible space that adapts to your lifestyle—whether you’re setting up for a weekend escape or embarking on an extended road trip. As a dedicated toy hauler, it offers practical cargo access and layout configurations that help you maximize both leisure time and equipment storage without compromising comfort inside the living area.

Specifications Snapshot

  • Type: Towable RV
  • Classification: Toy Hauler
  • Floorplan: 381MS
  • Year: 2026
  • Condition: New
  • Stock: 14999
  • VIN: 573FM4537TBB04577

Ideal for You

  • Active families seeking a reliable, high-quality travel trailer with cargo capability
  • Outdoor enthusiasts who want to bring along motorcycles, ATVs, or other gear
  • Owners looking for a stylish, comfortable RV that doubles as a dependable home on the road

Take Action

Discover why the Grand Design Momentum 381MS stands out among towable RVs. For more details or to schedule a viewing, contact your dealer today. This new 2026 model, bearing stock number 14999 and VIN 573FM4537TBB04577, is ready to elevate your next adventure with premium craftsmanship, travel trailer comfort, and the freedom of life on the road.

2026 Grand Design Momentum 381MS Features


  • Appliances
    Microwave, Oven, Refrigerator, Stove, Stove Top Burner, Water Heater
  • Electrical
    Air Conditioning, Batteries
  • Equipment
    CO Detector, Fire Extinguisher, LP Detector, Smoke Detector, TV
  • Exterior
    Awning, Leveling Jacks, Slideout
  • Interior/Furnishings
    Medicine Cabinet, Non-Smoking Unit, Shower, Toilet

2026 Grand Design Momentum 381MS Literature


Text Seller
Seller Info

McClain's RV Oklahoma City

7110 West Reno
Oklahoma City, OK 73127

Member Since 2019

See 1839 Reviews

Unit Specs

  • Stock #15000
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum
  • Floorplan381MS
  • Floorplan LayoutFront Bedroom
    Kitchen Island
    Mid Kitchen
    Mid Living Area
  • Type Toy Hauler
  • Secondary Type Fifth Wheel
  • ConditionNew
  • Length43' 11"
  • Height13' 6"
  • VIN573FM4539TBB04578
  • MSRP $173,476.00
  • Sale Price $149,995.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps6
  • Water Capacity (Fresh)140 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)52 gal
  • Air Conditioners1
  • A/C Spec30000 BTUs
  • GVWR22,500 lbs
  • UVW15,800 lbs
  • Slideouts3
  • Tow/Hitch Weight3440 lbs
  • # Axles3

Estimated Payment-

Interest Rate % *(W.A.C.)
Term Years
Down Payment $
*W.A.C. = With approved credit

Email Seller

Request More Info on this 2026 Grand Design Momentum 381MS Offered for sale by McClain's RV Oklahoma City
McClain's RV Oklahoma City
McClain's RV Oklahoma City

7110 West Reno
Oklahoma City, OK 73127

Phone: Click to Call

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2026 Grand Design Momentum 381MS Gallery

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New 2026 Grand Design Momentum 381MS available in Oklahoma City, Oklahoma
2026 Grand Design Momentum 381MS - New Toy Hauler For Sale by McClain's RV Oklahoma City in Oklahoma City, Oklahoma features TV, Leveling Jacks, Medicine Cabinet, Microwave, Stove
2026 Momentum 381MS by Grand Design from McClain's RV Oklahoma City in Oklahoma City, Oklahoma
New 2026 Grand Design Momentum 381MS available in Oklahoma City, Oklahoma