2026 Grand Design Momentum 381MS
New Toy Hauler in Oklahoma City, Oklahoma, 73127





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
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-
Email Seller
Request More Info on this 2026 Grand Design Momentum 381MS Offered for sale by McClain's RV Oklahoma City
Related Searches:
Similar Units From McClain's RV Oklahoma City
New 2026 K-Z Connect SE 301BHK
$38,885.00
New 2026 K-Z Connect Mini 191BHK
$26,595.00
New 2025 Grand Design Momentum 414M
$115,995.00
New 2026 Grand Design Momentum 17MAV
$34,995.00
New 2026 Grand Design Solitude 390RK
$140,595.00
New 2026 Highland Ridge Open Range CONV 26DB
$21,995.00
Used 2023 Coachmen Chaparral 334FL
$49,999.00
Recent stories from our Blog
Similar Units for Rent
2026 Grand Design Momentum 381MS Gallery
Click on images to see them enlarged in a slideshow format



























































