New and used Grand Design RVs for sale

New 2026 Grand Design Momentum 397THS

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LITTLE DEALER OF MESA, AZ
Mesa, AZ

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Grand Design Momentum fifth wheel toy hauler 397THS highlights: Dual Entry Two Full Baths Kitchen Island 13' 6" Separate Garage Island with Bar Stools Flip-Up Pet Dish in Garage Load up your toys, your clothes and food and start your adventure as you smoothing tow this fifth wheel to your campsite. You will enjoy the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, and the 2,500 lb. rated flush-mount tie-downs to keep your toys secure. The main area provides a living and kitchen area with a 49" LED TV and a fireplace, theatre seating and a free-standing dinette, plus full kitchen amenities. There is also a Smart Sink with a removable cutting board, produce strainer and glass rinser you are sure to love. Head up front to use the full bathroom with a one-piece fiberglass shower with a glass door and teak seat and fall quickly to sleep on your own queen bed or choose a king option in the front bedroom. 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! *All calculated monthly payments are an estimate for qualified buyers only and do not constitute a commitment that financing or a specific interest rate or term is available. Financing terms may not be available in all Campers Inn Company locations. Campers Inn RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes freight, sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual inventory in stock on our lot. Please contact us for availability as our inventory changes rapidly. Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

New 2025 Grand Design Momentum 397THS

$119,777.00
CAMPERS INN RV TUCKER, GA
Tucker, GA

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Grand Design Momentum 397THS Fifth Wheel Toy Hauler Highlights Dual Entry Two Full Baths Kitchen Island 13' 6" Separate Garage Island with Bar Stools Flip-Up Pet Dish in Garage Adventure Awaits Load up your toys, clothes, and food, and embark on your next adventure with the Grand Design Momentum 397THS. This fifth wheel is designed for smooth towing to your campsite, featuring a Fast Ramp rear ramp door, Ram-Air garage vents on both sides, and 2,500 lb. rated flush-mount tie-downs to keep your toys secure. Comfort and Convenience Enjoy the full bathroom and LED TV in the garage, with the option to add Happi-Jac rollover sofas/table with a top bed. The main living area offers a 49" LED TV, a fireplace, theatre seating, and a free-standing dinette, along with full kitchen amenities. The new Smart Sink includes a removable cutting board, produce strainer, and glass rinser, making meal prep a breeze. Luxurious Living Head to the front of the fifth wheel to find a full bathroom with a one-piece fiberglass shower, glass door, and teak seat. Rest comfortably on your queen bed, or opt for a king bed in the front bedroom. Built for All Seasons The Momentum fifth wheel toy haulers by Grand Design are perfect for year-round travel with your off-road toys. They feature superior construction with a thermal roof design, full-laminated walls, and a triple insulated garage floor. The MORryde CRE3000 suspension system, rubber pin box, and upgraded axle hangers ensure smooth towing. Luxury Features Inside, enjoy color-changing LED accent lighting, raised panel hardwood cabinet doors with hidden hinges, and a central vacuum system. Each toy hauler includes four packages: Garage Package: Tuff-Ply gas and oil-resistant flooring Weather-Tek Package: Stealth AC System Interior Luxury Package: Solid surface countertops Ready to elevate your travel experience? The Grand Design Momentum 397THS is your ticket to adventure and luxury on the road! This price reflects the manufacturer's minimum advertised pricing policy. Contact us today for your exclusive, personalized quote—our best deals are just a conversation away!

New 2024 Grand Design Momentum 397THS

$89,977.00
ST GEORGE,UT

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Grand Design Momentum fifth wheel toy hauler 397THS highlights: Dual Entry Two Full Baths Kitchen Island 13' 6" Separate Garage Island with Bar Stools Flip-Up Pet Dish in Garage Load up your toys, your clothes and food and start your adventure as you smoothing tow this fifth wheel to your campsite. You will enjoy the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, and the 2,500 lb. rated flush-mount tie-downs to keep your toys secure. You will surely appreciate the full bathroom and LED TV, plus the option to add Happi-Jac rollover sofas/table with a top bed. The main area provides a living and kitchen area with a 49" LED TV and a fireplace, theatre seating and a free standing dinette, plus full kitchen amenities. There is also a new Smart Sink with a removable cutting board, produce strainer and glass rinser you are sure to love. Head up front to use the full bathroom with a one-piece fiberglass shower with a glass door and teak seat, and fall quickly to sleep on your own queen bed or choose a king option in the front bedroom. 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 2026 Grand Design Momentum 397THS

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CAMPERS INN RV OCALA, FL
Ocala, FL

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Grand Design Momentum fifth wheel toy hauler 397THS highlights: Dual Entry Two Full Baths Kitchen Island 13' 6" Separate Garage Island with Bar Stools Flip-Up Pet Dish in Garage Load up your toys, your clothes and food and start your adventure as you smoothing tow this fifth wheel to your campsite. You will enjoy the Fast Ramp rear ramp door, the Ram-Air garage vents on both sides, and the 2,500 lb. rated flush-mount tie-downs to keep your toys secure. The main area provides a living and kitchen area with a 49" LED TV and a fireplace, theatre seating and a free-standing dinette, plus full kitchen amenities. There is also a Smart Sink with a removable cutting board, produce strainer and glass rinser you are sure to love. Head up front to use the full bathroom with a one-piece fiberglass shower with a glass door and teak seat and fall quickly to sleep on your own queen bed or choose a king option in the front bedroom. 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 2026 Grand Design Momentum 399M

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HAPPY DAZE RVS SACRAMENTO
Sacramento, CA

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Grand Design Momentum fifth wheel toy hauler 399M highlights: Front Private Bedroom Kitchen Island Hybrid Desk/Dinette Unobstructed Pass-Thru Storage Side Patio This toy hauler has all the comfort and convenience you could ask for! Once you have unloaded your toys from the 12' 6" separate garage, you can start lunch on the exterior griddle located by the side patio. There is also a 65" TV here and a 1.7 cu. ft. refrigerator to entertain guests! And if you have guests staying over, you can choose to add the optional Liftsuite system with underside can lights in the garage. If the weather isn't cooperating, you can make meals in the fully equipped interior kitchen, complete with an island, pantry, pull-out countertop extension and more. An L-shaped sofa with recliners is in perfect view of the 50" TV and fireplace, and there is even a hybrid desk/dinette with windows where you can get some work done if needed. Head towards the front to freshen up in the full bath before heading to bed in the private bedroom. Here, you'll find a queen bed slide out with an optional king bed, a large closet with washer and dryer prep, plus a dresser with TV prep if you want the option to watch movies in bed! 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 2026 Grand Design Momentum 399M

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RIPON
Ripon, CA

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Grand Design Momentum fifth wheel toy hauler 399M highlights: Front Private Bedroom Kitchen Island Hybrid Desk/Dinette Unobstructed Pass-Thru Storage Side Patio This toy hauler has all the comfort and convenience you could ask for! Once you have unloaded your toys from the 12' 6" separate garage, you can start lunch on the exterior griddle located by the side patio. There is also a 65" TV here and a 1.7 cu. ft. refrigerator to entertain guests! And if you have guests staying over, you can choose to add the optional Liftsuite system with underside can lights in the garage. If the weather isn't cooperating, you can make meals in the fully equipped interior kitchen, complete with an island, pantry, pull-out countertop extension and more. An L-shaped sofa with recliners is in perfect view of the 50" TV and fireplace, and there is even a hybrid desk/dinette with windows where you can get some work done if needed. Head towards the front to freshen up in the full bath before heading to bed in the private bedroom. Here, you'll find a queen bed slide out with an optional king bed, a large closet with washer and dryer prep, plus a dresser with TV prep if you want the option to watch movies in bed! 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 2026 Grand Design Momentum 399M

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LAKEWOOD WINDISH RV CENTER
Lakewood, CO

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Grand Design Momentum fifth wheel toy hauler 399M highlights: Front Private Bedroom Kitchen Island Hybrid Desk/Dinette Unobstructed Pass-Thru Storage Side Patio This toy hauler has all the comfort and convenience you could ask for! Once you have unloaded your toys from the 12' 6" separate garage, you can start lunch on the exterior griddle located by the side patio. There is also a 65" TV here and a 1.7 cu. ft. refrigerator to entertain guests! And if you have guests staying over, you can choose to add the optional Liftsuite system with underside can lights in the garage. If the weather isn't cooperating, you can make meals in the fully equipped interior kitchen, complete with an island, pantry, pull-out countertop extension and more. An L-shaped sofa with recliners is in perfect view of the 50" TV and fireplace, and there is even a hybrid desk/dinette with windows where you can get some work done if needed. Head towards the front to freshen up in the full bath before heading to bed in the private bedroom. Here, you'll find a queen bed slide out with an optional king bed, a large closet with washer and dryer prep, plus a dresser with TV prep if you want the option to watch movies in bed! 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 2026 Grand Design Momentum 399M

$164,995.00
MIKE THOMPSON RV OF COLTON, CA
Colton, CA

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Grand Design Momentum fifth wheel toy hauler 399M highlights: Front Private Bedroom Kitchen Island Hybrid Desk/Dinette Unobstructed Pass-Thru Storage Side Patio This toy hauler has all the comfort and convenience you could ask for! Once you have unloaded your toys from the 12' 6" separate garage, you can start lunch on the exterior griddle located by the side patio. There is also a 65" TV here and a 1.7 cu. ft. refrigerator to entertain guests! And if you have guests staying over, you can choose to add the optional Liftsuite system with underside can lights in the garage. If the weather isn't cooperating, you can make meals in the fully equipped interior kitchen, complete with an island, pantry, pull-out countertop extension and more. An L-shaped sofa with recliners is in perfect view of the 50" TV and fireplace, and there is even a hybrid desk/dinette with windows where you can get some work done if needed. Head towards the front to freshen up in the full bath before heading to bed in the private bedroom. Here, you'll find a queen bed slide out with an optional king bed, a large closet with washer and dryer prep, plus a dresser with TV prep if you want the option to watch movies in bed! 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 2026 Grand Design Momentum 399M

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CAMPERS INN RV MERRIMACK, NH
Merrimack, NH

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Grand Design Momentum fifth wheel toy hauler 399M highlights: Front Private Bedroom Kitchen Island Hybrid Desk/Dinette Unobstructed Pass-Thru Storage Side Patio This toy hauler has all the comfort and convenience you could ask for! Once you have unloaded your toys from the 12' 6" separate garage, you can start lunch on the exterior griddle located by the side patio. There is also a 65" TV here and a 1.7 cu. ft. refrigerator to entertain guests! And if you have guests staying over, you can choose to add the optional Liftsuite system with underside can lights in the garage. If the weather isn't cooperating, you can make meals in the fully equipped interior kitchen, complete with an island, pantry, pull-out countertop extension and more. An L-shaped sofa with recliners is in perfect view of the 50" TV and fireplace, and there is even a hybrid desk/dinette with windows where you can get some work done if needed. Head towards the front to freshen up in the full bath before heading to bed in the private bedroom. Here, you'll find a queen bed slide out with an optional king bed, a large closet with washer and dryer prep, plus a dresser with TV prep if you want the option to watch movies in bed! 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! STOCK IMAGES MAY BE SHOWN. COLORS AND SPECS MAY VARY.

New 2026 Grand Design Momentum 399M

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TUCSON AZ

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"This is the manufacturer's minimum allowed advertised price, contact us today for your unbeatable personalized quote." NEW 2026 Grand Design Momentum 399M Fifth Wheel Toy Hauler Highlights: Front Private Bedroom Kitchen Island Hybrid Desk/Dinette Unobstructed Pass-Thru Storage Side Patio Adventure meets comfort in the 2026 Grand Design Momentum 399M, a fifth wheel toy hauler designed for off-road enthusiasts who want all the conveniences of home. The 12' 6" separate garage provides ample space for your ATVs, motorcycles, or other toys, and you can entertain outdoors with the side patio, complete with a 65" TV, 1.7 cu. ft. refrigerator, and exterior griddle. Optional Liftsuite system and underside lighting allow extra sleeping space or ambiance in the garage. Inside, the fully equipped kitchen features a kitchen island, pantry, pull-out countertop extension, and plenty of prep space. Relax on the L-shaped sofa with recliners while watching the 50" TV and enjoying the fireplace. Need to get some work done on the road? The hybrid desk/dinette with windows makes it easy to stay connected. The full bathroom is conveniently located near the front private bedroom, which offers a queen bed slide (optional king), large closet with washer/dryer prep, dresser with TV prep, and comfortable space to unwind after a day of adventure. Built for four-season travel, the Momentum toy haulers include a fully enclosed and heated underbelly, 5-sided aluminum cage construction, and triple insulated garage floor for extreme weather protection. The MORryde CRE3000 suspension system and upgraded axle hangers provide smooth towing, while interior luxuries include color-changing LED accent lighting, hardwood cabinet doors with hidden hinges, and a central vacuum system. Four included packages—Garage Package with Tuff-Ply flooring, Weather-Tek Package with Stealth AC, and Interior Luxury Package with solid surface countertops—ensure your travels are comfortable, stylish, and functional. Why Buy from Campers Inn RV Tucson? Campers Inn RV Tucson offers the largest selection of Momentum toy haulers, transparent pricing, and a team of experts ready to help you find the perfect RV for your adventures. From your first step on the lot to years of service, your experience will be seamless, fun, and worry-free. Inventory/Stock Images may be shown. Colors and specifications may vary. Call our AMAZING TEAM for details.

New and used Grand Design RVs for sale

New 2026 Grand Design Momentum 397THS

Call for price

New 2025 Grand Design Momentum 397THS

$119,777.00

New 2024 Grand Design Momentum 397THS

$89,977.00

New 2026 Grand Design Momentum 397THS

Call for price

New 2026 Grand Design Momentum 399M

Call for price

New 2026 Grand Design Momentum 399M

Call for price

New 2026 Grand Design Momentum 399M

Call for price

New 2026 Grand Design Momentum 399M

$164,995.00

New 2026 Grand Design Momentum 399M

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New 2026 Grand Design Momentum 399M

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