{"@context":"https://schema.org","@type":"Product","name":"10 Grand Design Momentum M-Class RVs for sale in Washington","offers":{"@type":"AggregateOffer","offerCount":10,"lowPrice":"60995.00","highPrice":"154399.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-344m/56fcf5ef-758a-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2026 Grand Design Momentum M-Class 344M, Overview Welcome Aboard the 2026 Grand Design Momentum M-Class 344M: Redefining Travel with Every Mile!

The 2026 Grand Design Momentum M-Class 344M is not just an RV; it's a statement of luxury and freedom, crafted for those who yearn to explore without compromising on comfort. This FIFTH WHEEL HAULER is your passport to discovering the world in unparalleled style.

Artful and Agile Design:
Witness a stunning blend of aesthetics and practicality in the 2026 Grand Design Momentum M-Class 344M. Its elegant exterior lines promise efficiency on the road, while the robust construction, using only high-grade materials, assures a lasting presence.

Lavish Living Spaces:
Step into a haven of sophistication and space inside the Grand Design Momentum M-Class. The interior is a masterpiece of design, offering opulent living quarters that cater to every need of the modern traveler.

Relaxation Redefined:
The Grand Design Momentum M-Class sets a new standard for comfort. Luxuriate in its plush seating and serene sleeping arrangements, where every element is fashioned for your relaxation and pleasure.

Committed to Safety:
Travel with confidence in the Grand Design Momentum M-Class. This RV integrates advanced safety features throughout, ensuring that your adventures are as safe as they are enjoyable.

Respect for Nature:
Embrace eco-friendly travel with the 2026 Grand Design Momentum M-Class 344M. Its sustainable features reflect a commitment to environmental responsibility, allowing you to journey with a lighter ecological footprint.

Why the Grand Design Momentum M-Class Stands Out:
Opting for the Grand Design Momentum M-Class is a choice for extraordinary travel experiences. Perfect for both quick getaways and extended explorations, it elevates every trip into a tale of adventure and luxury.

Begin your journey of discovery and indulgence with the 2026 Grand Design Momentum M-Class 344M. Your next great adventure awaits in this epitome of travel excellence! Interior Interior Features: This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"147995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-grand-design-momentum-m-class-349m/e419376b-6fc9-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2023 GRAND DESIGN MOMENTUM M-CLASS 349M","description":"2023 Grand Design Momentum M-Class 349M, Overview

Experience the Open Road Like Never Before with the 2023 Grand Design Momentum M-Class 349M: Your Gateway to Adventure!

Step aboard the 2023 Grand Design Momentum M-Class 349M and transform your travel dreams into reality. Tailored for those who seek both adventure and luxury, this FIFTH WHEEL HAULER is your perfect partner for journeys both near and far.

Streamlined Elegance:
The design of the 2023 Grand Design Momentum M-Class 349M merges beauty with functionality. Its aerodynamic silhouette ensures smooth travel across varying landscapes, while its robust build and premium materials promise longevity and style.

Interior Mastery:
Inside, the Grand Design Momentum invites you into a world where space and design work in harmony. From the clever use of storage to the luxurious living areas, every aspect is designed to maximize your comfort and enjoyment on the road.

Ultimate Comfort Zone:
Relaxation is paramount in the Grand Design Momentum. With deluxe seating, tranquil sleeping areas, and adaptable living spaces, every minute spent inside is an exercise in comfort and luxury.

Safety as Standard:
Safety isn't an afterthought in the Grand Design Momentum. Every element, from the chassis to the cabin, includes advanced safety features, ensuring that your travels are as secure as they are enjoyable.

Green and Grand: The 2023 Grand Design Momentum M-Class 349M embraces eco-friendly technologies, allowing for responsible and sustainable travel. Enjoy the luxury of the open road while minimizing your environmental impact.

The 2023 Grand Design Momentum M-Class 349M Difference:
Choosing this Grand Design Momentum means embracing a lifestyle of elegance, adventure, and unforgettable experiences. Whether it's a weekend escape or a long-haul expedition, this RV turns every trip into a cherished memory.

Set off on your grand adventure with the 2023 Grand Design Momentum M-Class 349M. It's not just a journey; it's an experience in unparalleled luxury and freedom!

Interior

Interior Features: This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey.

Exterior

Exterior Features: Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.

","itemCondition":"Used","priceCurrency":"USD","price":"79995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-399m/82ccf9b2-2dc9-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 399M","description":"2026 GRAND DESIGN MOMENTUM M CLASS 399M, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel Toy Hauler sleeps 6 people and is available at Camping World in Woodland, WA.

Specs: Length: 44.83' | Weight: 19170.0 lbs | Slide Outs: 3 | Sleep Number: 6 | Electrical Service: 50 amp | Exterior Height: 13.50' | Fresh Water Tank: 140.0 gal | Black Water Tank: 52.0 gal

Also Includes: * UNDER UNIT LED LIGHT KIT * TV * GARAGE PKG * A/C W/HEAT PUMP * UPGRADED H-RATED TIRES (TRIPLE AXLE) * AUXILIARY FRESH WATER TANK * PATIO CHAIRS * EXTERIOR PKG * ROCKFORD FOSGATE * SOLAR+ PKG - ONE 330W PANEL * 3RD A/C PREP * ROADSIDE ASSISTANCE * RVIA * FAN - KITCHEN * WEATHER-TEK INSULATION PKG * GARAGE SUITE * 6.0K GENERATOR * REAR ALUMINUM DECK * A/C * A/C - 3RD * 3 SEASONS PATIO DOOR - GEN III * OMNICONNECT * LUXURY INTERIOR PKG * INTERIOR - ARTISAN * KING BED UPGRADE * MORRYDE 7K SUSPENSION - TRIPLE AXLE * 12V 20 CU. FT. REFER","itemCondition":"Used","priceCurrency":"USD","price":"154399.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-344m/bf24c883-a443-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 344M","description":"2026 GRAND DESIGN MOMENTUM M CLASS 344M, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel Toy Hauler sleeps 7 people and is available at Camping World in Woodland, WA.

Specs: Length: 39.92' | Weight: 15910.0 lbs | Slide Outs: 3 | Sleep Number: 7 | Electrical Service: 50 amp | Exterior Height: 13.50' | Fresh Water Tank: 140.0 gal | Black Water Tank: 52.0 gal

Also Includes: * ROADSIDE ASSISTANCE * WEATHER-TEK INSULATION PKG * UNDER UNIT LED LIGHT KIT * PATIO CHAIRS * LUXURY INTERIOR PKG * GARAGE PKG * EXTERIOR PKG * A/C W/HEAT PUMP * EXTERIOR ENTERTAINMENT CENTER * STATE SEAL - WASHINGTON * RVIA * 1/2 BATH * ROCKFORD FOSGATE * 12V 20 CU. FT. REFER * INTERIOR - ARTISAN * 6.0K GENERATOR * MORRYDE 8K SUSPENSION - TANDEM AXLE * 3 SEASONS PATIO DOOR - GEN III * SOLAR+ PKG - ONE 330W PANEL * UPGRADED H-RATED TIRES (TANDEM AXLE) * OMNICONNECT * GARAGE SUITE * A/C - 3RD * 3RD A/C PREP * TV * REAR ALUMINUM DECK * FAN - KITCHEN * A/C * AUXILIARY FRESH WATER TANK","itemCondition":"Used","priceCurrency":"USD","price":"130199.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-351m/cbd5f155-c156-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 351M","description":"2026 GRAND DESIGN MOMENTUM M CLASS 351MS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel Toy Hauler sleeps 7 people and is available at Camping World in Woodland, WA.

Specs: Length: 40.5' | Weight: 15760.0 lbs | Slide Outs: 3 | Sleep Number: 7 | Electrical Service: 50 amp | Exterior Height: 13.50' | Fresh Water Tank: 140.0 gal | Black Water Tank: 104.0 gal

Also Includes: * 3RD A/C PREP * UNDER UNIT LED LIGHT KIT * PATIO CHAIRS * LUXURY INTERIOR PKG * KING BED UPGRADE * 12V 20 CU. FT. REFER * RVIA * EXTERIOR ENTERTAINMENT CENTER * WINTERIZATION * STATE SEAL - WASHINGTON * GARAGE PKG * 3 SEASONS PATIO DOOR - GEN III * A/C * REAR ALUMINUM DECK * FAN - KITCHEN * 6.0K GENERATOR * A/C - 3RD * GARAGE SUITE * UPGRADED H-RATED TIRES (TANDEM AXLE) * MORRYDE 8K SUSPENSION - TANDEM AXLE * INTERIOR - ARTISAN * EXTERIOR PKG * SOLAR+ PKG - ONE 330W PANEL * OMNICONNECT * TV * AUXILIARY FRESH WATER TANK * ROCKFORD FOSGATE * WEATHER-TEK INSULATION PKG * A/C W/HEAT PUMP * ROADSIDE ASSISTANCE","itemCondition":"Used","priceCurrency":"USD","price":"130199.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-395m/d9ec9058-71fa-11f0-a59c-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 395M","description":"2026 GRAND DESIGN MOMENTUM M CLASS 395MS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel Toy Hauler sleeps 7 people and is available at Camping World in Woodland, WA.

Specs: Length: 44.17' | Weight: 15600.0 lbs | Slide Outs: 3 | Sleep Number: 7 | Electrical Service: 50 amp | Exterior Height: 13.50' | Fresh Water Tank: 140.0 gal | Black Water Tank: 52.0 gal

Also Includes: * AUXILIARY FRESH WATER TANK * 3RD A/C PREP * GARAGE SUITE * UPGRADED COOPER H-RATED TIRES * A/C * PATIO CHAIRS * ROCKFORD FOSGATE * GARAGE PKG * LUXURY INTERIOR PKG * ROADSIDE ASSISTANCE * INTERIOR - DUSK * SOLAR+ PKG - ONE 330W PANEL * 1/2 BATH * UNDER UNIT LED LIGHT KIT * EXTERIOR PKG * 3 SEASONS PATIO DOOR - GEN III * RVIA * A/C - 3RD * 12V 20 CU. FT. REFER * 6.0K GENERATOR * OMNICONNECT * EXTERIOR ENTERTAINMENT CENTER * FAN - KITCHEN * WEATHER-TEK INSULATION PKG * TV * REAR ALUMINUM DECK * 7K AXLES W/ABS DRUM BRAKES * A/C W/HEAT PUMP * STATE SEAL - WASHINGTON","itemCondition":"Used","priceCurrency":"USD","price":"124199.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2024-grand-design-momentum-m-class-351ms/31930be8-3238-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2024 GRAND DESIGN MOMENTUM M-CLASS 351MS","description":"2024 Grand Design Momentum M-Class 351MS,

2024 Grand Design Momentum M-Class 351MS

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)

SolidStep Quad Entry Steps

Slam-Latch Baggage Doors

Mo Secure

Interior

Interior Color Changing LED Accent Lighting

Hardwood Cabinet Doors w/Hidden Hinges

Sofa w/Headrest & Removable Swivel Tables (Includes Heat, Massage & LED Lighting Package)

Central Vacuum System w/ Tools and Dust Pan

Plywood Drawer Bottoms

Microwave

Residential Kitchen Faucet

Professional Grade Stainless Steel Cooktop

12v High Power MaxxAir Fan with Rain Sensor

Window Behind Range

Kitchen Barstools w/Extended Countertops

Fireplace with Electric Heater

Stainless Steel 20 cu. ft. Refrigerator

30\" Over-The-Range Microwave

Under Bed Storage Area

Individually Switched Reading Lights Over Bed

Bedside 110-Volt & USB Outlets

Window Above Master Bed Headboard

60\" x 80\" Queen Pillow Top Bed Mattress

Skylight Above Shower

Porcelain Toilet

Medicine Cabinet w/Mirrored Door

Undermount Lav Sink

One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat

","itemCondition":"Used","priceCurrency":"USD","price":"99880.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-grand-design-momentum-m-class-381ms/f7860cdf-f76e-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2023 GRAND DESIGN MOMENTUM M-CLASS 381MS","description":"2023 Grand Design Momentum M-Class 381MS,

~OPTIONS LISTED BY MANUFACTURER , ACTUAL OPTIONS MAY VARY~

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

Bath and a Half
15' Separate Garage
Dual Entry Doors
Kitchen Island w/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 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.

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":"89995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2019-grand-design-momentum-m-class-349m/851230d1-5b26-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2019 GRAND DESIGN MOMENTUM M-CLASS 349M","description":"2019 Grand Design Momentum M-Class 349M, ~OPTIONS LISTED BY MANUFACTURER , ACTUAL OPTIONS MAY VARY~ Grand Design Momentum M-Class 349M toy hauler highlights: Dual Entry Loft Four-Seat Sofa Kitchen Island w/ Stools Dual Enclosed Fuel Station Imagine your family of 9 riding dirt bikes, four wheelers, or even a jet ski at your favorite destination. This Momentum M-Class 349M fifth wheel toy hauler offers a 13' garage for your toys and a side man door for easy access when the ramp door is closed. You can store additional outdoor gear in the exterior unobstructed pass-through storage near the main entrance. Now imagine your family watching the big game on the 49\" LED TV with a fireplace below while sitting on the bar stools at the kitchen island or on the four-seat sofa. Now stop imagining and start living the dream in this M-Class!

With any Momentum M-Class toy hauler fifth wheel you will enjoy extraordinary living with extreme playtime with the Weather-Tek insulation for four seasons of protection, and a fully enclosed fuel pump station to keep the fun going the whole time. The Tuff-Ply garage flooring is gas and oil resistant, plus triple insulated. You will find 2,500 lb. rated flush-mount tie-downs to keep your toys secure while moving down the road. The interior includes a sofa with headrest and removable swivel table, a convection microwave, a central vacuum system with tools and a dust pan, and a satellite/solar roof access channel to mention a few highlights. Any Grand Design Momentum M-Class allows you to keep your active lifestyle no matter where you decide to stay!

","itemCondition":"Used","priceCurrency":"USD","price":"60995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-grand-design-momentum-m-class-395ms/f1dbc919-4aa8-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2023 GRAND DESIGN MOMENTUM M-CLASS 395MS","description":"2023 Grand Design Momentum M-Class 395MS,

Grand Design Momentum M-Class toy hauler 395MS highlights:

~OPTIONS LISTED BY MANUFACTURER,ACTUAL OPTIONS MAY VARY~

14' Separate Garage
L-Shaped Pull-Out Sofa
Theatre Seating
Free Standing Dinette
Dual Entry Doors
Universal Docking Station

You want a toy hauler to carry your toys to the trails, and you can get an extra living room/bedroom out of this space once everything is unload when you add the Happi-Jac rollover sofas with a table with a top bed option. You might even like to add more optional features such a half bath and washer/dryer. There is an overhead loft bed and an L-shaped pull-out sofa in the main living area that offers sleeping space as well. Everyone can watch a movie on the LED TV with a fireplace below while sitting on the sofa, in the theatre seats, or while at the free standing dinette with four chairs. The chef will have upgraded appliances to make meals for everyone, an L-shaped countertop with a kitchen sink, and a USB charging outlet. You will love the sunken tub/shower with seat in the full bathroom with two space savings sliding doors that lead into the hallway, and into the front bedroom where you will have a walk-around queen bed, a slide out wardrobe and more 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":"109482.00"}}]}}