New and used Grand Design RVs for sale

New 2025 Grand Design Momentum M-Class 344M

$99,977.00
CAMPERS INN RV CONWAY, SC
Conway, SC

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Grand Design Momentum M-Class 344M Toy Hauler Highlights: Three A/Cs for Maximum Climate Control Solar+ Package for Off-Grid Capability 8K Axles with ABS Drum Brakes for Safety 11' Separate Garage with Overhead Bed Dual Opposing Slides for Extra Living Space Two Power Awnings for Outdoor Comfort Fireplace & Hybrid Desk/Dinette for Functionality Spacious Kitchen Pantry & 20 Cu. Ft. Refrigerator Garage & Outdoor Features: 11' separate garage with overhead bed for additional sleeping space 60-gallon fuel station keeps your toys adventure-ready Dual power awnings create a comfortable outdoor living area Living & Interior Comfort: Dual opposing slides for an open and inviting floorplan L-shaped reclining sofa for relaxation Fireplace with entertainment setup Hybrid desk/dinette offering flexible dining and workspace options Kitchen Features: 20 cu. ft. refrigerator for all your groceries Generous counter space for meal prep Spacious kitchen pantry for extra storage Bedroom & Bath: Front master bedroom with residential queen bed (optional king upgrade) Dual-entry bathroom with fiberglass shower and glass door Wardrobe slide and overhead storage for organization Construction & Performance: Triple-insulated main floor and garage floor for year-round comfort Thermal roof design & Rail-Tite underbelly seal for superior insulation Stealth A/C system with three A/C units for powerful cooling CRE3000 suspension system for a smoother ride Heavy-duty 8K axles with ABS drum brakes for enhanced towing safety Solar+ Package for off-grid adventures With luxurious interiors, rugged construction, and advanced off-grid capability, the Grand Design Momentum M-Class 344M is built to handle any adventure while keeping you comfortable every step of the way. Contact us today to confirm availability, features, and options. Specifications are subject to change without notice.

Used 2018 Grand Design Momentum M-Class 349M

$54,995.00
BRETZ RV & MARINE BILLINGS, MT
Billings, MT

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Grand Design Momentum M-Class 349M toy hauler highlights: Garage Dual Entry Loft Four-Seat Sofa Kitchen Island with Stools Fireplace 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!

Used 2017 Grand Design Momentum M-Class 350M

$48,991.00
GENERAL RV CENTER OCALA, FL
Ocala, FL

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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 350M unit features triple slides, one and a half baths, and 11' 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. 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 king size bed, 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 11' garage features a rear ramp door for ease in loading up the toys. When the toys are removed you have 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.

Used 2017 Grand Design Momentum M-Class 350M

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PARRIS RV PAYSON
North Payson, UT

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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 350M unit features triple slides, one and a half baths, and 11' 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 even choose the option with sofa recliners and a dinette, or smaller sofa with dinette in place of the 4-seat sofa if you like.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 11' 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!

Used 2017 Grand Design Momentum M-Class 350M

$54,995.00
GENERAL RV CENTER WIXOM, MI
Wixom, MI

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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 350M unit features triple slides, one and a half baths, and 11' 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. 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.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 exterior unobstructed pass through storage, plus the universal docking station provide extra conveniences when traveling.

Used 2019 Grand Design Momentum M-Class 351M

$39,999.00
GENERAL RV CENTER OCALA, FL
Ocala, FL

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Grand Design Momentum M-Class 351M toy hauler highlights: Loft Dual Entry Four-Seat Sofa Kitchen Island w/ Stools Dual Enclosed Fuel Station When the outdoors is all you think about, and you are looking for a weekend thrill, choose this Momentum M-Class 351M toy hauler fifth wheel by Grand Design. You will find plenty of space for a few off-road toys as well as there is plenty of comfortable living space throughout. The garage features 11' of space for an ATV or dirt bikes, plus includes a half bath. There are also plenty of windows providing natural lighting in each area. The kids are sure to enjoy eating at the kitchen island on the bar stools, or watching the 49" LED TV above the fireplace. There are many more standard features to see! 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!

Used 2019 Grand Design Momentum M-Class 351M

$41,977.00
A&L RV SALES LAKE PARK, GA
Lake Park, GA

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Grand Design Momentum M-Class 351M toy hauler highlights: Loft Dual Entry Four-Seat Sofa Kitchen Island w/ Stools Dual Enclosed Fuel Station When the outdoors is all you think about, and you are looking for a weekend thrill, choose this Momentum M-Class 351M toy hauler fifth wheel by Grand Design. You will find plenty of space for a few off-road toys as well as there is plenty of comfortable living space throughout. The garage features 11' of space for an ATV or dirt bikes, plus includes a half bath. There are also plenty of windows providing natural lighting in each area. The kids are sure to enjoy eating at the kitchen island on the bar stools, or watching the 49" LED TV above the fireplace. There are many more standard features to see! 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!

Used 2021 Grand Design Momentum M-Class 351M

$49,995.00
TAMPA, FL

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Key Features of the Pre-Owned Grand Design Momentum M-Class 351M 11' separate garage with ramp door for toys or gear Triple slide-outs for expanded living space Bath-and-a-half floorplan for added convenience Private front bedroom with queen bed and wardrobe storage Loft sleeping area plus convertible garage space Residential kitchen with large refrigerator and solid-surface countertops Dual power awnings with LED lighting 60-gallon fuel station for toys Generator prep or onboard generator Heated and enclosed underbelly for extended-season camping Discover the Pre-Owned Grand Design Momentum M-Class 351M The Grand Design Momentum M-Class 351M is a high-end toy hauler fifth wheel built for travelers who want to bring their adventures with them—without sacrificing comfort. With a spacious layout, dedicated garage, and residential-style living area, this RV is perfect for weekend warriors, motorsports enthusiasts, or full-time travelers. At nearly 39 feet long with three slide-outs, the 351M delivers a wide-open interior while still maintaining strong towability for a properly equipped truck. Garage Meets Living Space The 11-foot garage is the heart of this toy hauler, offering space for ATVs, motorcycles, bikes, or gear. When unloaded, it easily converts into additional living or sleeping space with seating and overhead storage—making it incredibly versatile for guests or family. A convenient half bath in the garage area adds functionality, especially when traveling with multiple people. Comfortable Residential Interior Up front, the main living area features theater seating, entertainment space, and a fully equipped kitchen with residential appliances and plenty of storage. The private master bedroom offers a quiet retreat with a queen bed and wardrobe space, while the loft and garage sleeping options increase total capacity. Built for Adventure This Momentum is designed for serious travel, with features like a fuel station for your toys, large holding tanks, and a durable construction with insulated garage flooring. Whether you're heading to the dunes, mountains, or campground, this toy hauler is ready to go. Why Buy the Grand Design Momentum 351M Bring your toys and gear wherever you travel Spacious garage that doubles as living space Ideal for families or group camping Residential comfort in a rugged, adventure-ready design Trusted Grand Design quality and durability Why Buy from Lazydays RV Powered by Campers Inn RV Choosing the right RV is only half the journey. Choosing the right dealership makes all the difference. When you purchase from Lazydays RV powered by Campers Inn RV, you gain: A Legacy of Trust Extensive Inventory and Competitive Pricing Certified Service and Support Parts and Accessories A Long-Term Camping Partner

New 2026 Grand Design Momentum M-Class 351MS

$142,995.00
HAPPY DAZE RVS SACRAMENTO
Sacramento, CA

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Grand Design Momentum M-Class toy hauler 351MS highlights: Bath and a Half 11' 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 11' garage space that can become a second living/dining area, and you can add the optional Liftsuite System for more sleeping space. An overhead bed comes standard, along with a super sofa in the main living area where guests can sleep. 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.

New 2026 Grand Design Momentum M-Class 351MS

$142,995.00
RIPON
Ripon, CA

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Grand Design Momentum M-Class toy hauler 351MS highlights: Bath and a Half 11' 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 11' garage space that can become a second living/dining area, and you can add the optional Liftsuite System for more sleeping space. An overhead bed comes standard, along with a super sofa in the main living area where guests can sleep. 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.

New and used Grand Design RVs for sale

New 2025 Grand Design Momentum M-Class 344M

$99,977.00

Used 2018 Grand Design Momentum M-Class 349M

$54,995.00

Used 2017 Grand Design Momentum M-Class 350M

$48,991.00

Used 2017 Grand Design Momentum M-Class 350M

Call for price

Used 2017 Grand Design Momentum M-Class 350M

$54,995.00

Used 2019 Grand Design Momentum M-Class 351M

$39,999.00

Used 2019 Grand Design Momentum M-Class 351M

$41,977.00

Used 2021 Grand Design Momentum M-Class 351M

$49,995.00

New 2026 Grand Design Momentum M-Class 351MS

$142,995.00

New 2026 Grand Design Momentum M-Class 351MS

$142,995.00

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