{"@context":"https://schema.org","@type":"Product","name":"12 Grand Design Momentum M-Class RVs for sale","offers":{"@type":"AggregateOffer","offerCount":12,"lowPrice":"52995.00","highPrice":"198006.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/24fb55e6-3e08-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"New 2026 Grand Design Momentum 392M

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

This toy hauler with a 17' separate garage will be perfect for your outdoor adventures. There is an adjustable tie-down system to keep your gear secure, an overhead loft bed, two optional Liftsuite Systems plus an optional half bath. There is also washer and dryer prep here, along with a flip-up pet dish for your furry friends. The chef will love the large kitchen countertop for more meal prep space, and there is a 20-cu. ft. refrigerator and pantry for food storage. You can get comfy on the L-shaped sofa across from the 50\" TV, or get some work done at the hybrid desk/dinette. There are also dual opposing slides here for added space. The third slide out is found in the front master bedroom, which includes drawers and storage space for your things. A queen bed will provide a great night's rest, and you have the option to choose a king bed if you want more space to stretch out!

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!

FEATURES - Bath and a Half|Front Bedroom|Loft|Two Entry/Exit Doors","itemCondition":"Used","priceCurrency":"USD","price":"132995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/68370d62-2d96-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

EXTERIOR PACKAGE; GARAGE PACKAGE; LUXURY INTERIOR PACKAGE; WEATHER-TEK INSULATION PACKAGE; UNDER UNIT LED LIGHT KIT; BEDROOM A/C; 3RD A/C PREP; KITCHEN POWER FAN; GARAGE LED HD TV; AUXILIARY FRESH WATER TANK; 20 CU FT 12V REFRIGERATOR; OMNICONNECT; SAFERIDE; RVIA SEAL; UPGRADED H-RATED TIRES; MORRYDE 7K INDEPENDENT SUSPENSION; ROCKFORD FOSGATE STAGE 1; 6K WATT GENERATOR; GEN III 3 SEASON DOOR; 3RD A/C; HEAT PUMP A/C; 1/2 BATHROOM; HAPPI-JAC ELECTRIC BUNK; REAR ALUMINIUM DECK SYS; PATIO CHAIRS; EXTERIOR ENTERTAINMENT CENTER; SOLAR½ PKG; WINTERIZATION; TEKMODO ROOF/SLIDE SYS","itemCondition":"Used","priceCurrency":"USD","price":"144995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/0289cc99-0ef7-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

","itemCondition":"Used","priceCurrency":"USD","price":"149995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/ffa50317-dfe3-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

This toy hauler with a 17' separate garage will be perfect for your outdoor adventures. There is an adjustable tie-down system to keep your gear secure, an overhead loft bed, two Liftsuite Systems plus an optional half bath. There is also washer and dryer prep here, along with a flip-up pet dish for your furry friends. The chef will love the large kitchen countertop for more meal prep space, and there is a 20-cu. ft. refrigerator and pantry for food storage. You can get comfy on the L-shaped sofa across from the 50\" TV, or get some work done at the hybrid desk/dinette. There are also dual opposing slides here for added space. The third slide out is found in the front master bedroom, which includes drawers and storage space for your things. A queen bed will provide a great night's rest, and you have the option to choose a king bed if you want more space to stretch out!

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!

EXTERIOR PKG; GARAGE PKG; LUXURY INTERIOR PKG; WEATHER-TEK INSULATION PKG; UNDER UNIT LED LIGHT KIT; BEDROOM A/C; 3RD A/C PREP; KITCHEN POWER FAN; GARAGE LED HD TV; AUXILIARY FRESH WATER TANK; 20 CU FT 12V REFRIGERATOR; OMNICONNECT; SAFERIDE; RVIA SEAL; UPGRADED H-RATED TIRES; ROCKFORD FOSGATE STAGE 1; 6K WATT GENERATOR; GEN III 3 SEASON DOOR; 3RD A/C; HEAT PUMP A/C; 1/2 BATHROOM; GARAGE SUITE; REAR ALUMINIUM DECK SYS; PATIO CHAIRS; EXTERIOR ENTERTAINMENT CENTER; SOLAR½ PKG; MORRYDE 7K INDEPENDENT SUSPENSION; WINTERIZATION","itemCondition":"Used","priceCurrency":"USD","price":"144995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/f4a1c41f-331b-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

","itemCondition":"Used","priceCurrency":"USD","price":"139998.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/35812690-3e06-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"New 2026 Grand Design Momentum 392M

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

This toy hauler with a 17' separate garage will be perfect for your outdoor adventures. There is an adjustable tie-down system to keep your gear secure, an overhead loft bed, two Liftsuite Systems plus an optional half bath. There is also washer and dryer prep here, along with a flip-up pet dish for your furry friends. The chef will love the large kitchen countertop for more meal prep space, and there is a 20-cu. ft. refrigerator and pantry for food storage. You can get comfy on the L-shaped sofa across from the 50\" TV, or get some work done at the hybrid desk/dinette. There are also dual opposing slides here for added space. The third slide out is found in the front master bedroom, which includes drawers and storage space for your things. A queen bed will provide a great night's rest, and you have the option to choose a king bed if you want more space to stretch out!

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!

NEW Grand Design Momentum Toy Hauler private front bedroom, party deck, double drop-down beds, overhead loft & half bath in garage FEATURES - Bath and a Half|Front Bedroom|Loft|Two Entry/Exit Doors","itemCondition":"Used","priceCurrency":"USD","price":"134911.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/50cfa50f-6560-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

","itemCondition":"Used","priceCurrency":"USD","price":"198006.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/2e857622-3d59-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

","itemCondition":"Used","priceCurrency":"USD","price":"144995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/3770dee9-db53-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

This toy hauler with a 17' separate garage will be perfect for your outdoor adventures. There is an adjustable tie-down system to keep your gear secure, an overhead loft bed, two Liftsuite Systems plus an optional half bath. There is also washer and dryer prep here, along with a flip-up pet dish for your furry friends. The chef will love the large kitchen countertop for more meal prep space, and there is a 20-cu. ft. refrigerator and pantry for food storage. You can get comfy on the L-shaped sofa across from the 50\" TV, or get some work done at the hybrid desk/dinette. There are also dual opposing slides here for added space. The third slide out is found in the front master bedroom, which includes drawers and storage space for your things. A queen bed will provide a great night's rest, and you have the option to choose a king bed if you want more space to stretch out!

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!

","itemCondition":"Used","priceCurrency":"USD","price":"139995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/883cf05c-fc17-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M,

Grand Design Momentum toy hauler 392M highlights:

L-Shaped Sofa with Recline
Queen Bed
Overhead Loft Bed
Ramp Door/Patio

This toy hauler with a 17' separate garage will be perfect for your outdoor adventures. There is an adjustable tie-down system to keep your gear secure, an overhead loft bed, two Liftsuite Systems plus an optional half bath. There is also washer and dryer prep here, along with a flip-up pet dish for your furry friends. The chef will love the large kitchen countertop for more meal prep space, and there is a 20-cu. ft. refrigerator and pantry for food storage. You can get comfy on the L-shaped sofa across from the 50\" TV, or get some work done at the hybrid desk/dinette. There are also dual opposing slides here for added space. The third slide out is found in the front master bedroom, which includes drawers and storage space for your things. A queen bed will provide a great night's rest, and you have the option to choose a king bed if you want more space to stretch out!

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!

","itemCondition":"Used","priceCurrency":"USD","price":"0.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-394m/37a34f87-d4d9-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2026 Grand Design Momentum 392M, The New 2026 Grand Design Momentum 392M is a luxury toy hauler fifth wheel built for buyers who want serious cargo capacity without giving up upscale residential comfort. At 45 feet 11 inches long with three slide-outs and sleeping for up to 9, the 392M delivers the kind of space, flexibility, and premium design that makes it ideal for both adventure-focused travel and extended stays. Grand Design lists this floorplan with a 3,650-pound hitch weight, 18,114-pound UVW, and 23,500-pound GVWR, underscoring its heavy-duty capability and premium toy hauler construction.

One of the biggest highlights of the 392M is its 17-foot garage, giving owners ample room for motorcycles, side-by-sides, golf carts, or other gear while still maintaining a highly livable interior. Dealer listings for the 2026 model also highlight sought-after features like an L-shaped sofa with recline, queen bed, overhead loft bed, bath and a half, and a ramp door patio, making this coach especially attractive for families, groups, or buyers who want toy hauler versatility with luxury fifth wheel comfort.

Beyond the garage, the Momentum 392M is designed to feel premium and travel-ready. Published specs for current 2026 units show 140 gallons of fresh water, 104 gallons of gray water capacity, 52 gallons of black water capacity, 45,000 BTU of A/C, a 35,000 BTU furnace, tankless water heater, and an NPS 6000 generator, all of which support longer trips and a more self-contained camping experience. The Momentum brochure also emphasizes the line s upscale positioning as a high-end toy hauler built for buyers who want to bring their gear while still enjoying luxury on the road.

For shoppers looking for a high-capacity toy hauler with luxury living space, strong sleeping capacity, and a garage built for real adventure, the New 2026 Grand Design Momentum 392M stands out as an impressive choice.

Why buy from Lazydays RV powered by Campers Inn?

Wide selection of new and pre-owned RVs in one convenient location Knowledgeable RV professionals to help match you with the right coach Financing options to help make ownership more accessible Trade-in assistance to simplify the buying process A trusted dealership experience backed by recognized names in the RV industry

","itemCondition":"Used","priceCurrency":"USD","price":"149989.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2018-grand-design-momentum-m-class-394m/791d3406-418a-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2018 GRAND DESIGN MOMENTUM M-CLASS 394M","description":"2018 Grand Design Momentum M-Class 394M,","itemCondition":"Used","priceCurrency":"USD","price":"52995.00"}}]}}