New and used momentum RVs for sale

Used 2021 Grand Design Momentum 399TH

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BRETZ RV & MARINE BOISE, ID
Boise, ID

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Grand Design Momentum toy hauler 399TH highlights: ~OPTIONS LISTED BY MANUFACTURER,ACTUAL OPTIONS MAY VARY~ Dual Entry Full and Half Bath Exterior LED TV 13' Separate Garage Loft Fold-Down Side Patio Whatever your idea of adventure is, this Momentum toy hauler will make it even better! The fold-down side patio is the perfect party space, especially since there is also an exterior LED TV, and back on the interior, you'll find three more LED TVs for entertainment while staying indoors. The front master suite is going to provide you with the most comfort while you sleep, and the electric fireplace within the main living area is going to provide you with an extra bit of heat on chilly nights. The kitchen has an island with bar stools so that you can sit down and chat with the chef, and you can also choose to sit back in the theater seating with heat/massage to relax after a long day of biking or hiking. If you would prefer to have a residential refrigerator, you should check out model 399TH-R! The very best adventures are waiting for you with the Grand Design Momentum toy hauler! The Momentum combines extreme play with extraordinary living so that you can have the best of both worlds. You won't have to miss out on any of your favorite features from home because the Momentum has just about everything. With the Weather-Tek insulation, you won't have to let anything hold you back from getting out and taking an adventure during any season, and the Tuff Ply gas-and-oil-resistant garage flooring is a quality base for your toys. The flush-mount tie-downs rated for 2,500 LBS will keep your gear in place as you travel, and there is a protective diamond plate on the garage sidewalls for additional protection. Some of the options that you can choose to add to your Momentum are the Solitude solar system and Rockford Fosgate speaker package.

Used 2023 Grand Design Momentum 399TH

$89,984.00
SAN ANTONIO, TX

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Grand Design Momentum fifth wheel toy hauler 399TH highlights: Fold-Down Side Patio 13' Garage Bath and a Half Dual Entry Island with Bar Stools 60 Gallon Fuel Tank Get ready for a lot of fun when you head out to the off-road park, a special event, or a long trip with your toys! You will love the garage with the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, the 2,500 lb. rated flush-mount tie-downs and the protective diamond plate on the garage sidewalls. This area can become a bedroom or an extra living area if you want to add Happi-Jac rollover sofas/table with a top bed option, plus you will already have a half bath for convenience, an LED TV and storage for your gear. The living and kitchen area is spacious with dual slides and a kitchen island with bar stools, a free standing table and theatre seating or choose the super sofa option, and everything you need to feed everyone. The fold-down side patio offers an LED TV, storage and a great place to relax outdoors above ground. There are many more features to enjoy, and several options to customize your fifth wheel. 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 thermal roof design, the full-laminated walls, 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, raised panel 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 2024 Grand Design Momentum 399TH

$96,977.00
ST GEORGE,UT

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Grand Design Momentum fifth wheel toy hauler 399TH highlights: Fold-Down Side Patio 13' Garage Bath and a Half Dual Entry Smart Sink Fireplace Get ready for a lot of fun when you head out to the off-road park, a special event, or a long trip with your toys! You will love the garage with the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, the 2,500 lb. rated flush-mount tie-downs and the protective diamond plate on the garage sidewalls. This area can become a bedroom or an extra living area if you want to add Happi-Jac rollover sofas/table with a top bed option, plus you will already have a half bath for convenience, an overhead loft bed plus a flip-up pet dish for your furry friends. The living and kitchen area is spacious with dual slides and a kitchen island with bar stools, a free standing dinette and theatre seating. The fold-down side patio offers a great place to relax outdoors above ground, and there are many more features to enjoy plus several options to customize your fifth wheel. 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 thermal roof design, the full-laminated walls, 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, raised panel 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!

Used 2023 Grand Design Momentum 399TH

$86,995.00
TAMPA, FL

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Grand Design Momentum fifth wheel toy hauler 399TH highlights: Fold-Down Side Patio 13' Garage Bath and a Half Dual Entry Island with Bar Stools 60 Gallon Fuel Tank Get ready for a lot of fun when you head out to the off-road park, a special event, or a long trip with your toys! You will love the garage with the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, the 2,500 lb. rated flush-mount tie-downs and the protective diamond plate on the garage sidewalls. This area can become a bedroom or an extra living area if you want to add Happi-Jac rollover sofas/table with a top bed option, plus you will already have a half bath for convenience, an LED TV and storage for your gear. The living and kitchen area is spacious with dual slides and a kitchen island with bar stools, a free standing table and theatre seating or choose the super sofa option, and everything you need to feed everyone. The fold-down side patio offers an LED TV, storage and a great place to relax outdoors above ground. There are many more features to enjoy, and several options to customize your fifth wheel. 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 thermal roof design, the full-laminated walls, 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, raised panel 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!

Used 2022 Grand Design Momentum 399TH

$84,990.00
CAMPERS INN RV MERRIMACK, NH
Merrimack, NH

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Grand Design Momentum fifth wheel toy hauler 399TH highlights: Fold-Down Side Patio 13' Garage Bath and a Half Dual Entry Island with Bar Stools 60 Gallon Fuel Tank Experience luxury, power, and adventure all in one with this Used 2022 Grand Design Momentum 399TH, a top-tier fifth wheel toy hauler designed for RVers who want it all—space, comfort, and the ability to bring their toys along for the ride. Built with Grand Design’s renowned quality and attention to detail, the Momentum 399TH is perfect for extended stays, full-time RV living, or epic weekend getaways. Luxury Meets Rugged Capability The Grand Design Momentum 399TH stands out with its bold exterior and durable construction, built to handle long miles and rugged destinations. This luxury toy hauler offers an expansive garage that easily accommodates motorcycles, ATVs, or other adventure gear, while doubling as a versatile living or sleeping area when the toys are unloaded. Inside, you’re welcomed by a spacious, residential-style interior featuring high-end finishes, modern décor, and smart floorplan design. The open-concept living area offers plush seating, a large entertainment center, and plenty of natural light, creating a comfortable space to relax after a day of adventure. Designed for Comfort on the Road The Momentum 399TH is packed with premium features that make every trip feel like home. The gourmet kitchen includes solid-surface countertops, ample cabinet storage, a residential refrigerator, and quality appliances that make cooking easy whether you’re boondocking or staying at a full-hookup campground. The master suite offers a true retreat, complete with a comfortable bed, generous wardrobe storage, and a private bathroom designed with residential touches. Multiple sleeping areas ensure there’s room for family and friends, making this toy hauler ideal for group travel. Built for Extended Adventures With its robust insulation, climate control systems, and large holding tanks, this 2022 Grand Design Momentum 399TH is well-suited for extended stays and four-season travel. Whether you’re chasing warm weather, tailgating, or exploring off-the-grid destinations, this fifth wheel is engineered to keep you comfortable wherever the road takes you. Why Buy a Used 2022 Grand Design Momentum 399TH? Buying used allows you to enjoy premium luxury and performance at a more affordable price point. The 2022 Momentum 399TH delivers proven reliability, high-end craftsmanship, and features that continue to rival new models—making it a smart investment for adventurous RVers who want luxury without compromise. Why Buy from Campers Inn RV? When you purchase from Campers Inn RV, you’re not just buying an RV—you’re joining a family. As one of the nation’s most trusted RV dealerships, Campers Inn RV is committed to delivering exceptional customer service before, during, and long after the sale. Every used RV is carefully inspected to ensure quality and peace of mind. Campers Inn RV also offers flexible financing options, knowledgeable RV professionals, and a nationwide support network, making ownership simple and stress-free. With decades of experience and a customer-first approach, Campers Inn RV helps you find the perfect RV to match your lifestyle and travel goals. Start Your Next Adventure Today If you’re looking for a luxury fifth wheel toy hauler that blends adventure-ready capability with residential comfort, the Used 2022 Grand Design Momentum 399TH is ready to deliver. Visit Campers Inn RV today and discover why this Momentum is the perfect partner for your next journey.

Used 2022 Grand Design Momentum 399TH

$69,998.00
TAMPA, FL

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Grand Design Momentum fifth wheel toy hauler 399TH highlights: Fold-Down Side Patio 13' Garage Bath and a Half Dual Entry Island with Bar Stools 60 Gallon Fuel Tank Get ready for a lot of fun when you head out to the off-road park, a special event, or a long trip with your toys! You will love the garage with the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, the 2,500 lb. rated flush-mount tie-downs and the protective diamond plate on the garage sidewalls. This area can become a bedroom or an extra living area if you want to add Happi-Jac rollover sofas/table with top bed option, plus you will already have a half bath for convenience, an LED TV and storage for your gear. The living and kitchen area is spacious with dual slides and a kitchen island with bar stools, a free standing table and theatre seating or choose the super sofa option, and everything you need to feed everyone. And the fold-down side patio offers an LED TV, storage and a great place to relax outdoors above ground. There are many more features to enjoy, and several options to customize your fifth wheel. And if you would prefer to have a residential refrigerator, you should check out model 399TH-R! 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 thermal roof design, the full-laminated walls, the triple insulated garage floor in most toy haulers, the insulated gooseneck and the Rail-Tite underbelly seat. 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, raised panel hardwood cabinet doors with hidden hinges, a sofa with headrest and removable swivel tables which include heat, massage and LED lighting package, and a central vacuum system with tools and dust pan. Start your extreme playtime now with a Momentum!

Used 2023 Grand Design Momentum 410TH

$105,487.00
CAPITAL RV CENTER MINOT, ND
MINOT, ND

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Grand Design Momentum fifth wheel toy hauler 410TH highlights: Front Private Bedroom Rollover Sofas Kitchen Island Separated Bathroom Dual Entry Doors $42,000 Solar system that will run 3 soft start Ac's Setup for off the grid camping! Full Paint Used 2023 Grand Design Momentum 410TH – Power Meets Luxury Toy Hauler The Momentum 410TH offers ultimate adventure flexibility in a high-end Super C-style toy hauler. Perfect for hauling toys, camping, or weekend escapes, this model delivers big features, upscale design, and rugged capability. Key Highlights Massive Cargo GarageNearly 13.5 ft of insulated garage space for bikes, ATVs, or gear—plus a dual-zone setup to double as extra living space or storage. Residential-Style Living AreaFull kitchen with center island, free-standing dinette, theater seating, electric fireplace, and 3 slide-outs for maximum space. Private Front Master SuiteQueen (or optional king) bed, spacious wardrobe, and direct access to the mid-ship bathroom—ideal for restful nights after adventure. Powerful ComponentsBuilt on a Super C chassis with Cummins diesel-level torque, triple axles, and hydraulic leveling for stability and towing peace of mind. Built for Off-Grid StaysSolar panel prep, optional generator hookups, tankless water heater, exterior shower, and full climate insulation for year-round use. Entertainment Inside and OutRockford Fosgate stereo system, TV hookups in the living area, bedroom, and garage—and a 32" TV in the garage zone included. Ultimate Towable ExperienceLuxury gel-coat exterior, frameless tinted windows, power awnings, and splash-resistant construction designed for rugged routes. Why the Momentum 410TH is a Strong Used Choice With its multi-zone layout, high-end amenities, and rugged Super C chassis, the 2023 Momentum 410TH is perfect for serious travelers who demand storage, comfort, and power in one unit. Used gently and built to last, this rig brings top-tier flexibility to your adventure plans.

Used 2023 Grand Design Momentum 410TH

$96,995.00
CAMPERS INN RV RALEIGH, NC
Selma, NC

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Pre-Owned 2023 Grand Design Momentum 410TH – Luxury Toy Hauler with Spacious Garage and Residential Comforts! The Momentum 410TH combines adventure-ready features with high-end luxury, offering the best of both worlds for toy hauler enthusiasts. With a 13' 6" garage, dual entry doors, and residential-style living spaces, this fifth wheel is built for extended stays, weekend getaways, and everything in between. Key Highlights Garage & Outdoor Living 13' 6" garage with Happi-Jac rollover sofas, table, and power bunk above Additional overhead bed for guests Ramp door doubles as a patio system for outdoor entertaining LED TV and storage space in the garage Fuel station and tie-downs for your toys Sleeping Arrangements Front private bedroom with queen bed slide and flip-up dresser Large wardrobe prepped for an optional washer and dryer Garage bunks and sofas provide flexible sleeping options for guests Entertainment-ready with TV above dresser Kitchen & Appliances Spacious kitchen island with sink Four-burner cooktop, oven, and residential microwave Hutch and pantry for added storage Residential refrigerator to keep food and beverages fresh Bathroom Features Separated bathroom layout with private toilet room and shower with flip-up teak seat Entry directly into the master bedroom for added convenience Living & Dining Chaise lounge with pull-out sofa and free-standing dinette for gatherings Entertainment center with LED TV and fireplace for cozy evenings Color-changing LED accent lighting for ambiance Construction & Performance Four-season design with thermal roof and triple-insulated garage floor MORryde CRE3000 suspension system and upgraded axle hangers for smooth towing Full-laminated walls and rubber pin box for durability Built to handle extreme travel and long-term living Interior Comfort & Style Raised panel hardwood cabinet doors with hidden hinges Central vacuum system for easy cleanup Solid surface countertops throughout Luxurious finishes with practical layouts for everyday living Why Choose This Pre-Owned 2023 Grand Design Momentum 410TH? With its massive garage, versatile living spaces, and high-end finishes, the Momentum 410TH is built for families or groups who want to bring adventure toys along without sacrificing comfort. This pre-owned unit delivers residential luxury, four-season capability, and toy hauler functionality—all in one package. SPECS AND COLORS MAY VARY!! START YOUR NEXT ADVENTURE AT CAMPERS INN RV OF RALEIGH!!

Used 2023 Grand Design Momentum 410TH

$79,699.00
PLEASURELAND RV BRAINERD, MN
Brainerd, MN

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Grand Design Momentum fifth wheel toy hauler 410TH highlights: Front Private Bedroom Rollover Sofas Kitchen Island Separated Bathroom Dual Entry Doors There is much to love about this fifth wheel toy hauler! Starting with the 13' 6" garage that comes with Happi-jac rollover sofas with table and an optional top bed above them, an overhead bed, an LED TV, one of the dual entry doors, and an optional half bath to add. You will also love the ramp door/patio for entertainment at night. The chef will love cooking in the kitchen with a hutch, three burner cooktop, and an island with a flip-up countertop and two bar stools for extra helpers. The rest of the group can socialize together at either the free standing dinette or at the chaise lounge with pull-out sofa across from the entertainment center with an LED TV and fireplace. As you head to the front of the unit, you will pass through the separated bathroom with a private toilet and a shower with a flip-up teak seat. It enters directly into the front private bedroom where there is a queen bed slide to lay your head on at night, a front wardrobe prepped to add an optional washer and dryer, and a flip-up dresser with TV prep above it! 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 thermal roof design, the full-laminated walls, 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, raised panel 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 2025 Grand Design Momentum 410TH

$109,977.00
TUCSON AZ

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Grand Design Momentum fifth wheel toy hauler 410TH highlights: Front Private Bedroom Kitchen Island Dual Entry Doors Smart Sink Flip-Up Pet Dish in Garage There is much to love about this fifth wheel toy hauler! Starting with the 13' 6" garage that comes with an overhead bed, one of the dual entry doors, and an optional half bath to add. You might also choose to add the optional Happi-Jac rollover sofas and table with a top bed if need more sleeping space. The chef will love cooking in the kitchen with an island and a Smart Sink that includes a removable cutting board, produce strainer and glass rinser. The rest of the group can socialize together at either the free standing dinette or at the chaise lounge with an optional super sofa across from the entertainment center with an LED TV and fireplace. This model also includes a full bath with a private toilet and two sliding doors so you can close off this room completely if you wish. It enters directly into the front private bedroom where there is a queen bed slide to lay your head on at night, a front wardrobe prepped to add an optional washer and dryer, and a slide top dresser with TV above it! 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 thermal roof design, the full-laminated walls, 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, raised panel 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! Inventory/Stock Images may be shown. Colors and specifications may vary. Call our AMAZING TEAM for details.

New and used momentum RVs for sale

Used 2021 Grand Design Momentum 399TH

Call for price

Used 2023 Grand Design Momentum 399TH

$89,984.00

New 2024 Grand Design Momentum 399TH

$96,977.00

Used 2023 Grand Design Momentum 399TH

$86,995.00

Used 2022 Grand Design Momentum 399TH

$84,990.00

Used 2022 Grand Design Momentum 399TH

$69,998.00

Used 2023 Grand Design Momentum 410TH

$105,487.00

Used 2023 Grand Design Momentum 410TH

$96,995.00

Used 2023 Grand Design Momentum 410TH

$79,699.00

New 2025 Grand Design Momentum 410TH

$109,977.00

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