2026 Grand Design Momentum M-Class 381Ms - GD158


















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Dealer Notes
**Welcome to JR Motors Mohave County's #1 RV dealership*** Traveling with friends and family can be comfortable when you have a full double entry bathroom and a half bath available when camping and enjoying the trails on your off-road toys! You will have an 15' garage space that can become a second living/dining area as well as a bedroom if you decide to add the Happi-Jac rollover sofas and a table with a top bed option. There is an overhead loft bed and a four-seat sofa slide for more sleeping space in the main living area. Everyone can watch the LED TV when waiting for dinner, and enjoy the fireplace on those chiller nights. The kitchen island offers a sink to wash dishes, extra counter space for serving meals and two stools to dine at. The cook will love all the upgraded appliances and the space thanks to the slide. The front bedroom gives you a queen bed slide with a king bed option, lots of clothing space, and a slide top dresser for even more storage. When you've shopped the rest now you're at the BEST!! JR Motors is the premier RV and boat dealership located in beautiful Lake Havasu City, AZ 928-680-2886 Open 7-days a week!
2026 Grand Design Momentum M-Class 381MS
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)
- MORryde Strut Assist Entry Step
- Slam-Latch Baggage Doors
- Mo Secure
Interior
- Interior Color Changing LED Accent Lighting
- Hardwood Cabinet Doors w/Hidden Hinges
- Sofa w/Headrest (Includes Heat, Massage & LED Lighting Package)
- Central Vacuum System w/ Tools and Dust Pan
- Plywood Drawer Bottoms
Info
Industry
RV
Make
Grand Design
Model
Momentum M-Class 381Ms
Trim
Base
Year
2026
Msrp
176392
Price
176392
Stock Number
GD158
Category
Trailer
Subcategory
Toy Hauler - Fifth Wheel
Condition
New
Location
Lake Havasu City, Arizona
Vin
573FM4534TBB04584
Sleeps
8
Slides
3
Length
536
Dry Weight
16722
Specifications
Awnings
Yes
A/C
Yes
Leveling Jacks
Yes
Floorplan
ToyHauler