{"@context":"https://schema.org","@type":"Product","name":"5 New Grand Design Momentum RVs for sale","offers":{"@type":"AggregateOffer","offerCount":5,"lowPrice":"116895.00","highPrice":"148595.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-381ms/04fc3257-3e05-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM 381MS","description":"New 2026 Grand Design Momentum 381MS

Grand Design Momentum toy hauler 381MS highlights:

Bath and a Half
15' Separate Garage
Dual Entry Doors
Kitchen Island with Bar Stools
Overhead Loft Bed
Universal Docking Station
Artisan
Exterior Package
Garage Package
Luxury Interior Package
Weather-Tek Insulation Package
King Bed Upgrade
Rockford Fosgate Stage 1 Stereo - 500 Watts, Int/Ext Speakers w/ 10\" Powered Sub
6K Watt Generator
3rd A/C
Heat Pump A/C
Solar Package w/ Additional 330W Panel and 2000W Inverter and MORE!

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. 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.

The Momentum fifth wheel toy haulers by Grand Design are built for four seasons of travel with your off-road toys and include luxurious accommodations throughout for extreme living! Each is constructed to a superior standard with the fully enclosed and heated underbelly and storage area, the 5-sided aluminum cage, and the triple insulated garage floor. The MORryde CRE3000 suspension system and rubber pin box, plus the upgraded axle hangers provide the performance and smooth towing you desire, while the interior offers luxury such as color changing LED accent lighting, hardwood cabinet doors with hidden hinges, and a central vacuum system. Each toy hauler also includes four packages, including the Garage Package with Tuff-Ply gas and oil-resistant flooring, the Weather-Tek Package with a Stealth AC System, and the Interior Luxury Package with solid surface countertops!

YOU DESERVE IT! CALL OR TEXT US NOW (406) 454-0777 FEATURES - Bath and a Half|Front Bedroom|Kitchen Island|Loft|Two Entry/Exit Doors","itemCondition":"Used","priceCurrency":"USD","price":"148595.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-381ms/0a870044-b2bf-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM 381MS","description":"

For quickest response call Ryan Lough at Mike Thompson's RV 24/7 @ 909-206-4203 (NOT A TEXTABLE NUMBER)!

909-206-4203 ASK 4 RYAN
WE ARE OPEN 7 DAYS A WEEK
LEAVE A MESSAGE OR TEXT US ON THE NUMBER IN THE VOICEMAIL

If you should happen to come in to our Colton location, you will need to ask for Ryan
Out of state customers are welcome! Additional photos, brochure and floor plan available by request. Mike Thompson's RV Super Stores is currently the #1 RV dealer in the country. We pay top dollar for all types of trades. Deal directly with the internet/fleet department for no-hassle prices.

Due to the nature of this electronic media, errors may occur. The dealer does not accept liability for errors or omissions in the contents of this electronic media. Consumers must confirm price, terms and options before purchasing. Prices stated are net of any manufacturer customer rebates (if applicable). All prices must be approved by a sales manager. Prices shown exclude government fees and taxes, any finance charges, any dealer document preparation charge, any elect transfer/registration charge, any emission testing. Pictures shown may not be of actual unit. The Ad price stated is on the RV listed in this ad only! This ad expires at Midnight tonight unless otherwise stated in the ad above.

","itemCondition":"Used","priceCurrency":"USD","price":"116895.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-381ms/28f7c95e-3d59-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM 381MS","description":"2026 Grand Design Momentum 381MS,

Grand Design Momentum toy hauler 381MS highlights:

Bath and a Half
15' Separate Garage
Dual Entry Doors
Kitchen Island with Bar Stools
Overhead Loft Bed
Universal Docking Station

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. 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.

The Momentum fifth wheel toy haulers by Grand Design are built for four seasons of travel with your off-road toys and include luxurious accommodations throughout for extreme living! Each is constructed to a superior standard with the fully enclosed and heated underbelly and storage area, the 5-sided aluminum cage, and the triple insulated garage floor. The MORryde independent suspension 2.0 and rubber pin box, plus the upgraded axle hangers provide the performance and smooth towing you desire, while the interior offers luxury such as color changing LED accent lighting, hardwood cabinet doors with hidden hinges, and a central vacuum system. Each toy hauler also includes four packages, including the Garage Package with Tuff-Ply gas and oil-resistant flooring, the Weather-Tek Package with a Stealth AC System, and the Interior Luxury Package with solid surface countertops!

","itemCondition":"Used","priceCurrency":"USD","price":"134995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-381ms/a1a8cc5f-c165-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM 381MS","description":"2026 Grand Design Momentum 381MS,

Grand Design Momentum toy hauler 381MS highlights:

Bath and a Half
15' Separate Garage
Dual Entry Doors
Kitchen Island with Bar Stools
Overhead Loft Bed
Universal Docking Station

SOCK IMAGES MAY BE SHOWN. COLORS AND SPECS MAY VARY!

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Grand Design Momentum toy hauler 381MS highlights:

Bath and a Half
15' Separate Garage
Dual Entry Doors
Kitchen Island with Bar Stools
Overhead Loft Bed
Universal Docking Station

","itemCondition":"Used","priceCurrency":"USD","price":"0.00"}}]}}