{"@context":"https://schema.org","@type":"Product","name":"10 Grand Design Momentum M-Class RVs for sale in California","offers":{"@type":"AggregateOffer","offerCount":10,"lowPrice":"99998.00","highPrice":"152995.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-344m/8c72f5cb-12f6-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2026 Grand Design Momentum 344M,

Grand Design Momentum toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

Spend your days at the campground kicking up mud with this toy hauler in tow! once you've unloaded your toys from the ramp door, you can use the 60-gallon fuel station to fill up and head out on a trail! The overhead bed provides a place for guests to sleep, and there is an optional Liftsuite System for more sleeping space if needed. There is even an optional half bath here if you choose to make this space more accommodating. Head to the middle kitchen and living area where you'll enjoy generous counter space to prep meals, a spacious 20 cu. ft. refrigerator, an L-shaped sofa with recline, plus a hybrid desk/dinette that will serve as a dining or working space. The dual entry bath creates a front master bedroom you are sure to love. There is a queen bed with an optional king bed, plenty of overhead storage, and a wardrobe slide to keep your things organized.

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!

2025 Grand Design Momentum M-Class 344M

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

","itemCondition":"Used","priceCurrency":"USD","price":"99998.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-344m/1cd25e40-4b40-11ef-8fce-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2025 Grand Design Momentum M-Class 344M,

Grand Design Momentum M-Class toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

Spend your days at the campground kicking up mud with this toy hauler in tow! once you've unloaded your toys from the ramp door, you can use the 60 gallon fuel station to fill up and head out on a trail! The overhead bed provides a place for guests to sleep, and the optional Happi-Jac rollover sofas and a table with a top bed will give you the option to add even more seating and sleeping space. There is even an optional half bath here if you choose to make this space more accommodating. Head to the middle kitchen and living area where you'll enjoy generous counter space to prep meals, a spacious 20 cu. ft. refrigerator, an L-shaped sofa, plus a hybrid desk/dinette that will serve as a dining or working space. The dual entry bath creates a front master bedroom you are sure to love. There is a queen bed with an optional king bed, plenty of overhead storage, and a wardrobe slide to keep your things organized.

With any Momentum M-Class toy hauler by Grand Design, you will enjoy luxury at every turn! They have been constructed to a superior standard with a thermal roof design, triple insulated main floor and garage floor, and a Rail-Tite underbelly seal that will allow you to camp in all elements. Each model also features an 8' 5\" wide body chassis with a wide rail design, no wheel wheels, and a dovetail entry for easier loading. The Stealth A/C system provides maximum cooling power, and the CRE3000 suspension system means you can enjoy a smooth tow each time. You will love the luxurious interior with a professional grade stainless steel cooktop, interior color changing LED accent lighting, a fiberglass shower with a glass door, and solid surface countertops.

20 CU FT 12V REFRIGERATOR; 3RD A/C; 3RD A/C PREP; 8K AXLE W/ ABS DRUM BRAKES; AUXILLARY FRESH WATER TANK; BEDROOM A/C; EXTERIOR ENTERTAINMENT CENTER; EXTERIOR PKG; GARAGE LED HD TV; GARAGE PKG; GEN II 3 SEASON DOOR; HAPPI-JAC ELECTRIC BUNK; HEAT PUMP A/C; KITCHEN POWER FAN W/ RAIN S; LUXURY INTERIOR PKG; MOMENTUM PATIO CHAIRS; REAR ALUMINUM DECK SYSTEM; ROCKFORD FOSGATE STG 1; RVIA SEAL; SAFERIDE RV ROADSITE; SOLAR ½ PKG; TRAVLFI ON-BOARD WIFI; UNDER UNIT LED LIGHT KIT; UPGRADED COOPER TIRES; WEATHER-TEK INSULATION PKG; YAMAHA GENERATOR","itemCondition":"Used","priceCurrency":"USD","price":"103995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-344m/97d7c340-eec1-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2026 Grand Design Momentum 344M,

Grand Design Momentum toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

Spend your days at the campground kicking up mud with this toy hauler in tow! once you've unloaded your toys from the ramp door, you can use the 60 gallon fuel station to fill up and head out on a trail! The overhead bed provides a place for guests to sleep, and there is a Liftsuite System for more sleeping space if needed. There is even an optional half bath here if you choose to make this space more accommodating. Head to the middle kitchen and living area where you'll enjoy generous counter space to prep meals, a spacious 20 cu. ft. refrigerator, an L-shaped sofa with recline, plus a hybrid desk/dinette that will serve as a dining or working space. The dual entry bath creates a front master bedroom you are sure to love. There is a queen bed with an optional king bed, plenty of overhead storage, and a wardrobe slide to keep your things organized.

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!

1/2 BATHROOM; 20 CU FT 12V REFRIGERATOR; 3RD A/C; 3RD A/C PREP; 6K WATT GENERATOR; 8K AXLE W/ABS; AUXILIARY FRESH WATER TANK; BEDROOM A/C; EXTERIOR ENTERTAINMENT CENTER; EXTERIOR PKG; GARAGE LED HD TV; GARAGE PKG; GARAGE SUITE; GEN III 3 SEASON DOOR; HEAT PUMP A/C; KITCHEN POWER FAN; LUXURY INTERIOR PKG; OMNICONNECT; PATIO CHAIRS; REAR ALUMINIUM DECK SYS; ROCKFORD FOSGATE STAGE 1; RVIA SEAL; SAFERIDE; SOLAR½ PKG; UNDER UNIT LED LIGHT KIT; UPGRADED H-RATED TIRES; WEATHER-TEK INSULATION PKG","itemCondition":"Used","priceCurrency":"USD","price":"143295.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-344m/3b002a3c-203a-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2026 Grand Design Momentum 344M,

Grand Design Momentum toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

Grand Design Momentum toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

RVIA SEAL; EXTERIOR ENTERTAINMENT CENTER; HEAT PUMP A/C; EXTERIOR PKG; GARAGE PKG; LUXURY INTERIOR PKG; PATIO CHAIRS; UNDER UNIT LED LIGHT KIT; WEATHER-TEK INSULATION PKG; AUXILIARY FRESH WATER TANK; BEDROOM A/C; KITCHEN POWER FAN; REAR ALUMINIUM DECK SYS; GARAGE LED HD TV; 3RD A/C PREP; 3RD A/C; 1/2 BATHROOM; SAFERIDE; ROCKFORD FOSGATE STAGE 1; 20 CU FT 12V REFRIGERATOR; SOLAR½ PKG; 8K AXLE W/ABS; GARAGE SUITE; 6K WATT GENERATOR; GEN III 3 SEASON DOOR; OMNICONNECT; UPGRADED H-RATED TIRES; MORRYDE 8K INDEPENDENT SUSPENSION; WINTERIZATION","itemCondition":"Used","priceCurrency":"USD","price":"152995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-344m/fe31b868-115b-11f0-ba3e-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2025 GRAND DESIGN MOMENTUM M 344M, Elevate Your Explorations with the 2025 GRAND DESIGN MOMENTUM M 344M: Luxury Meets Adventure!

The 2025 GRAND DESIGN MOMENTUM M 344M redefines the essence of travel for those who seek both grandeur and the thrill of exploration. This FIFTH WHEEL HAULER is the perfect blend of home comfort and wanderlust, designed to take you places in style and luxury.

A Symphony of Style and Substance:
Experience a seamless fusion of elegant design and practicality with the 2025 GRAND DESIGN MOMENTUM M 344M. Its sleek, aerodynamic profile ensures a smooth journey, while its robust build, using premium materials, exemplifies durability and class.

A Sanctuary on Wheels:
The interior of the GRAND DESIGN MOMENTUM M is a realm of luxury. Spacious, intelligently designed, and lavishly appointed, it offers a tranquil retreat from the outside world, making every moment on the road a pleasure.

Comfort in Every Corner:
The GRAND DESIGN MOMENTUM M is synonymous with unparalleled comfort. From the plush seats to the tranquil bedrooms, each area is crafted to provide a relaxing and luxurious travel experience.

Safety: A Core Priority:
With the GRAND DESIGN MOMENTUM M, your safety is paramount. It incorporates the latest in safety technology, ensuring that every journey is not only enjoyable but also secure.

Eco-Friendly Exploration:
The 2025 GRAND DESIGN MOMENTUM M 344M is designed with the environment in mind. Featuring sustainable technology, it allows you to travel responsibly, knowing you're making a positive impact on the planet.

The Essence of the GRAND DESIGN MOMENTUM M:
Choosing the GRAND DESIGN MOMENTUM M is about valuing unforgettable journeys and impeccable style. It's the ideal companion for both short jaunts and long sojourns, transforming every trip into an experience filled with luxury and excitement.

Embrace the extraordinary with the 2025 GRAND DESIGN MOMENTUM M 344M. Set out on your adventures in this magnificent RV and make every mile a memory to cherish!","itemCondition":"Used","priceCurrency":"USD","price":"103995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-344m/4c91256f-e2f8-11ef-a33f-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"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

Grand Design Momentum M-Class toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

2025 Grand Design Momentum M-Class 344M","itemCondition":"Used","priceCurrency":"USD","price":"104995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-344m/db093a72-b2a9-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM M-CLASS 344M","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":"108498.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-344m/08e1e115-fcb9-11ef-a33f-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"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

Grand Design Momentum M-Class toy hauler 344M highlights:

Dual Opposing Slides
Two Power Awnings
11' Separate Garage
Fireplace
Kitchen Pantry

Spend your days at the campground kicking up mud with this toy hauler in tow! once you've unloaded your toys from the ramp door, you can use the 60 gallon fuel station to fill up and head out on a trail! The overhead bed provides a place for guests to sleep, and there is an optional Liftsuite System for more sleeping space if needed. There is even an optional half bath here if you choose to make this space more accommodating. Head to the middle kitchen and living area where you'll enjoy generous counter space to prep meals, a spacious 20 cu. ft. refrigerator, an L-shaped sofa with recline, plus a hybrid desk/dinette that will serve as a dining or working space. The dual entry bath creates a front master bedroom you are sure to love. There is a queen bed with an optional king bed, plenty of overhead storage, and a wardrobe slide to keep your things organized.

2025 Grand Design Momentum M-Class 344M","itemCondition":"Used","priceCurrency":"USD","price":"104995.00"}}]}}