{"@context":"https://schema.org","@type":"Product","name":"8 Grand Design Momentum M-Class RVs for sale in Idaho","offers":{"@type":"AggregateOffer","offerCount":8,"lowPrice":"54995.00","highPrice":"144995.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2018-grand-design-momentum-m-class-388m/cf44b481-3e09-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2018 GRAND DESIGN MOMENTUM M-CLASS 388M","description":"Used 2018 Grand Design Momentum M-Class 388M

This Momentum M-Class toy hauler fifth wheel by Grand Design has the luxury and space you desire when taking on the great outdoors! This dual entry 388M unit features triple slides, one and a half baths, and 14' of garage space, plus a loft bed too!

Step inside the main entry door and notice all the home like features with an entertainment center including a LED TV with fireplace below. There is also a pantry/linen straight ahead, a large slide out 4-seat sofa to the left of the main entry door with a stowable table for comfortable seating during mealtimes and more. You can choose a 4-seat sofa recliners/dinette option, or an optional smaller sofa recliner with a smaller dinette as well.

The kitchen offers all the amenities you need to enjoy spending time on the road. There is a slide out 18 cu. ft. refrigerator, three burner range with overhead microwave, and a counter peninsula along with a kitchen sink, and storage both above and below the counter.

Head up the steps to the right of the entry door and find a side aisle bath including a toilet, vanity with sink, plus a shower with seat and skylight.

The door at the head of the hall leads into the front bedroom which features a queen size bed or choose a king, nightstands, overhead storage, and a slide out wardrobe with dual drawers.

Back through the unit to the rear cargo area first notice the single loft above along the front of the garage. There is a half bath featuring a toilet and sink for added convenience when you come in from a fun filled day.

The 14' garage features a rear ramp door for ease in loading up the toys. When the toys are removed you have an option of adding a happi-jack bed with dual roll-over sofas/table for added seating and sleeping space while camped. There is a side man door for easy access when the rear ramp door is closed or patio is raised.

The exterior unobstructed pass through storage, plus the universal docking station provide extra conveniences when traveling. You can even choose an optional exterior entertainment center with LED TV and DVD, an optional Onan 5.5KW gasoline generator, and more!

Bish s RV - Meridian, Idaho has a huge selection of Travel Trailers, Fifth Wheels, Pop Up Campers, Truck Camper s, Toy Haulers, Class A Motorhomes, Class B Camper Vans, and Class C Motorhomes. All these RVs are priced to sell. Be sure to ask about our ","itemCondition":"Used","priceCurrency":"USD","price":"59995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2017-grand-design-momentum-m-class-348m/4433c4ad-8af8-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2017 GRAND DESIGN MOMENTUM M-CLASS 348M","description":"2017 Grand Design Momentum M-Class M-348,

Enjoy every adventure in this Momentum M-Class fifth wheel toy hauler by Grand Design. Model 348M features triple slides for added interior space, dual entry for easy in and out, a loft bed for additional sleeping space, a 12'6\" garage for your toys, a fireplace for those chilly nights, and a kitchen island for preparing and serving meals!Step inside the 12'6\" garage space where you can easily load up and haul your favorite off-road toys. Plus the ramp door becomes a patio space if you like. There are overhead cabinets, and a loft bed that the kids will surely love, plus space prepped for a washer/dryer and a TV. If you like traveling with extra guests and need more sleeping and seating choose the optional Happi-Jac rollover sofas/table with top bed. When you aren't playing hard you will enjoy hanging out inside this M-Class unit for a little down time. Inside enjoy a spacious sofa slide with stowable table that is perfect for enjoying your meals at. There is also a nearby entertainment center with a LED TV and a fireplace. Opposite the door side find a spacious kitchen with a large sink, overhead cabinets for dishes and things, and counter space along one interior wall. On the opposite wall is a large pantry for your non-perishables. Plus there is a road side slide out including a three burner range, microwave, and a 18 cu. ft. refrigerator. The kitchen island completes this space providing extra counter space for preparing or serving meals and snacks.Head up the steps to a front master bedroom and complete bath. The bath is on your left at the top of the steps featuring a shower with skylight and seat, a toilet, and vanity with sink. The bedroom is where you will enjoy resting up for another day of adventure with a queen size bed or optional king, a slide out wardrobe with dual drawers, nightstands, plus overhead storage.The exterior unobstructed pass-thru storage, plus the universal docking station provide extra conveniences when traveling!

","itemCondition":"Used","priceCurrency":"USD","price":"54995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-344m/4f4dd4f0-3320-11f1-9d95-02ea7b77d8a7/","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 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.

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.

","itemCondition":"Used","priceCurrency":"USD","price":"109995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-grand-design-momentum-m-class-398m/40e985a6-a2ed-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2023 GRAND DESIGN MOMENTUM M-CLASS 398M","description":"2023 Grand Design Momentum M-Class 398-M,

Grand Design Momentum M-Class toy hauler 398M highlights:

18' Separate Garage
Bedroom Wardrobe Slide
Four-Seat Sofa
Kitchen Island w/Bar Stools
Dual Entry Doors
Flip Up Pet Dish

Load up your toys, gear, clothes and food to enjoy some off-road fun with your toys and friends! Once at the RV park, unload your toys and set up the three slide outs, the two awnings, and begin planning your trail rides! You might decide to make a meal or snack in the combined kitchen and main living area which offers all the appliances you need, plus a kitchen island with two bar stools, a pantry, an LED TV with a fireplace below, plus a slide out four-seat sofa. The garage even offers the option to add two Happi-Jac rollover sofas with tables with a top bed if you want seating and sleeping space. The overhead loft bed provides sleeping space as well. You will love the sunken tub/shower with a seat in the full bathroom with a space savings sliding door, and the front bedroom can be your escape. There is a queen bed, a slide out wardrobe and USB charging outlets.

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.

","itemCondition":"Used","priceCurrency":"USD","price":"69995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2021-grand-design-momentum-m-class-381m/94122069-4527-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2021 GRAND DESIGN MOMENTUM M-CLASS 381M","description":"2021 Grand Design Momentum M-Class 381M,

Grand Design Momentum M-Class toy hauler 381M highlights:

~OPTIONS LISTED BY MANUFACTURER,ACTUAL OPTIONS MAY VARY~

Fireplace
15' Separate Garage
Kitchen Island
Dual Entry Doors
Full and Half Bath
Universal Docking Station

Load up your favorite off-road toys into this luxurious Momentum M-Class toy hauler! The garage area features an overhead loft bed, an area prepped to add the optional washer and dryer, and the option to add Happi-Jac rollover sofas, plus there is an entrance into the half bathroom. The kitchen island has two bar stools, a fold-up countertop, and a USB charging port for your convenience. The four-seat sofa slide is a great place to relax at night, and the full bathroom has a shower with a seat and a skylight above for natural lighting as you get ready each morning! If you would prefer to have a residential refrigerator, you should check out model 381M-R!

Live big and play even harder with any one of these Momentum M-Class toy hauler fifth wheels by Grand Design! The CRE3000 MORryde® suspension system improves its towability with a smoother tow and better protects from damaging road shock. Unlike many other toy haulers, Momentum features an exclusive garage floor design with an R-40 triple insulation in the garage floors and a Weather-Tek insulation throughout the roof, main floor, and side walls. Pump up the volume and shake things up with the optional Rockford Fosgate speaker package that comes with a 12\" subwoofer and a 300W amp. You will also enjoy the fully enclosed fuel pump station, the door-side exterior spray port, and the four mandatory packages full of extra features that will make your next camping adventure luxurious!

","itemCondition":"Used","priceCurrency":"USD","price":"0.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-grand-design-momentum-m-class-392m/08624b9b-3e0a-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2025 GRAND DESIGN MOMENTUM M-CLASS 392M","description":"New 2025 Grand Design Momentum M-Class 392M

Grand Design Momentum M-Class 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, plus an optional half bath. And two optional Liftsuite Systems can be added if you need more sleeping space. 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!

17 FOOT GARAGE FOR ALL OF YOUR TOYS AND NEEDS! FEATURES - Bath and a Half|Front Bedroom|Loft|Two Entry/Exit Doors","itemCondition":"Used","priceCurrency":"USD","price":"119995.00"}},{"@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":"144995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-grand-design-momentum-m-class-398m/88a37a3d-45e2-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2023 GRAND DESIGN MOMENTUM M-CLASS 398M","description":"Used 2023 Grand Design Momentum M-Class 398M

Grand Design Momentum M-Class toy hauler 398M highlights:

18' Separate Garage
Bedroom Wardrobe Slide
Four-Seat Sofa
Kitchen Island w/Bar Stools
Dual Entry Doors
Flip Up Pet Dish

18' GARGE!! FEATURES - Front Bedroom|Kitchen Island|Loft|Two Entry/Exit Doors","itemCondition":"Used","priceCurrency":"USD","price":"95987.00"}}]}}