New and used Grand Design RVs for sale

New 2025 Grand Design Momentum M-Class 344M

$107,895.00
MIKE THOMPSON RV OF SANTA FE SPRINGS, CA
Santa Fe Springs, CA

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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.

New 2025 Grand Design Momentum M-Class 344M

$107,999.00
CAMPERS INN RV CONWAY, SC
Conway, SC

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Grand Design Momentum M-Class 344M Toy Hauler Highlights: Three A/Cs with Stealth A/C System for Maximum Cooling Power Solar+ Package for Off-Grid Capability Heavy-Duty 8K Axles with ABS Drum Brakes for Superior Towing Onboard Yamaha 6kW Gas Generator for Power Anywhere 11' Separate Garage with Optional Half Bath & Liftsuite System Fireplace & Kitchen Pantry for a Residential Feel Dual Opposing Slides & Two Power Awnings for Spacious Comfort Built for Adventure, Designed for Comfort The Grand Design Momentum M-Class 344M is built for thrill-seekers who want the best of luxury and utility. Load up your toys with ease using the ramp door and dovetail entry, then refuel with the 60-gallon fuel station before hitting the trails. The 11' separate garage includes an overhead bed and optional Liftsuite System, making it easy to convert into additional sleeping space. Add the optional half bath for even more convenience. Inside, the dual opposing slides create an open and spacious feel, while the fireplace, L-shaped sofa with recline, and hybrid desk/dinette provide a cozy living area. The kitchen is fully equipped with generous counter space, a 20 cu. ft. refrigerator, professional-grade stainless steel cooktop, and solid surface countertops. Unmatched Durability & Performance Three A/Cs with Stealth A/C System for Efficient Cooling Solar+ Package for Sustainable, Off-Grid Energy Yamaha 6kW Gas Generator for Reliable Power Anywhere 8K Axles with ABS Drum Brakes for Maximum Control & Stability Thermal Roof Design & Triple Insulated Floors for All-Season Comfort CRE3000 Suspension System for a Smooth Ride Wide Rail Design with No Wheel Wells for Easy Loading Luxurious Fiberglass Shower with Glass Door The Momentum M-Class 344M is designed for those who demand power, durability, and luxury in one package. With off-grid capability, premium towing performance, and high-end interior features, this toy hauler is ready for any adventure. Contact us today to confirm options and availability!

New 2025 Grand Design Momentum M-Class 344M

$109,980.00
LONGMONT WINDISH RV CENTER SALES
Longmont, CO

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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 the optional Happi-Jac rollover sofas and a table with a top bed will give you the option to add even more seating and sleeping space. 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, 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.

New 2026 Grand Design Momentum M-Class 344M

$147,995.00
TOM STINNETT’S CAMPERS INN RV
Clarksville, IN

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Get ready to elevate your camping experience with the Grand Design Momentum 344M, a fifth wheel toy hauler built for travelers who crave performance, comfort, and the freedom to bring their favorite toys along for the ride. With premium construction, smart design, and all-season capability, this model delivers the perfect balance of rugged durability and residential luxury. Key Features of the Momentum 344M Dual Opposing SlidesEnjoy a spacious living and kitchen area thanks to large opposing slide-outs that open up the interior for cooking, lounging, and entertaining. 11' Separate GarageBring your ATVs, dirt bikes, or kayaks with ease. This dedicated garage includes an overhead bed, optional half bath, and the Liftsuite System to expand your sleeping capacity. A 60 gallon fuel station lets you refuel your toys and head back out for more fun. Two Power AwningsExtend your living space outdoors with dual power awnings that provide shade and comfort at your campsite. Luxury Living SpaceThe living area includes an L-shaped reclining sofa, fireplace, generous kitchen counter space, a hybrid desk/dinette, and a 20 cu. ft. refrigerator. Whether you are meal prepping, working remotely, or relaxing after a long ride, this space adapts to your lifestyle. Front Master SuiteA dual entry bath leads to a private bedroom featuring a queen bed with optional king, overhead storage, and wardrobe slide. It's a comfortable retreat designed for restful nights and easy mornings. Built for Extreme Living The Momentum 344M is engineered for all-season adventures with a fully enclosed and heated underbelly, 5-sided aluminum cage construction, triple insulated garage floor, and Weather-Tek Package with Stealth AC System. Enjoy superior towing performance with the MORryde CRE3000 suspension system, rubber pin box, and upgraded axle hangers. Inside, luxury surrounds you with color-changing LED accent lighting, hardwood cabinet doors with hidden hinges, solid surface countertops, and a central vacuum system. The Garage Package adds Tuff-Ply flooring that resists gas, oil, and heavy use. Why Choose Campers Inn RV of Louisville Campers Inn RV of Louisville is part of one of the nation’s most trusted family-operated RV dealership networks. When you shop with us, you benefit from: A wide selection of top brands and floorplans Knowledgeable, friendly RV experts Certified service technicians and a full-service department Transparent pricing with no-pressure guidance Personalized support before, during, and after your purchase We are committed to helping you find the perfect RV for your lifestyle and ensuring you enjoy every mile of the journey. DISPLAYING STOCK IMAGES, COLORS & STYLES MAY VARY

New 2026 Grand Design Momentum M-Class 344M

$147,995.00
CAMPERS INN RV RAYNHAM, MA
Raynham, MA

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Grand Design Momentum M-Class toy hauler 344M highlights: Dual Opposing Slides Two Power Awnings 11' Separate Garage Fireplace Kitchen Pantry 2026 Grand Design Momentum M-Class 344M – Go Bigger, Camp Smarter, Haul It All! Take your adventures to the next level with the 2026 Grand Design Momentum M-Class 344M—a luxury fifth wheel toy hauler built for thrill-seekers who want comfort, cargo space, and cutting-edge features in one rugged, refined package. Key Highlights: 11' Separate Garage – Haul your toys, gear, or convert into a guest room, office, or patio Spacious Living Area – Dual slide-outs, recliners, entertainment center & electric fireplace Chef-Ready Kitchen – Residential fridge, solid surface counters, oven, microwave & pantry Private Master Suite – Queen (or optional King), large wardrobe & direct bathroom access Large Bathroom – Full-size shower with skylight, porcelain toilet & ample storage Outdoor Living – Ramp door patio system, optional rear awning, fuel station & outdoor speakers Technology-Packed – Compass Connect app, generator prep, solar prep, and premium insulation This toy hauler is built for four-season camping and full-time living, with Grand Design’s unmatched build quality, luxury finishes, and rugged features that let you go off-grid without giving up comfort. Why Buy From Campers Inn RV? Family-Owned Since 1966 – Decades of trusted RV expertise Nationwide Locations – Service & support wherever your travels take you No Hidden Fees – Honest, upfront pricing every time Friendly, Knowledgeable Staff – We help match you with the right RV for your lifestyle Full-Service Dealership – Financing, trade-ins, maintenance & more—all in one place Adventure. Comfort. Power. The 2026 Momentum 344M has it all—so why wait?Contact Campers Inn RV today to schedule a walk-through or get pre-approved for financing. This toy hauler won’t sit still for long! *Please note: Pricing shown is the manufacturer’s lowest allowed advertised price. Contact us now to receive your unbeatable, personalized quote!

New 2026 Grand Design Momentum M-Class 344M

$143,295.00
CAMPERS INN RV HUNTSVILLE-MADISON
Madison, AL

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Grand Design Momentum M-Class 344M Toy Hauler – Highlights 11' Separate Garage with Optional Half Bath Dual Opposing Slides for Spacious Living Two Power Awnings with Outdoor Shade Fireplace & Entertainment Center Large Kitchen Pantry & 20 Cu. Ft. Refrigerator The Momentum M-Class 344M by Grand Design blends rugged adventure with luxury living. Unload your toys using the rear ramp door, then refuel with the 60-gallon fuel station before hitting the trails again. The 11' garage doubles as a flexible space with an overhead bed, an optional Liftsuite system, and an available half bath for added convenience. In the main living area, enjoy the open feel of dual opposing slides, an L-shaped reclining sofa, a hybrid desk/dinette, and a cozy fireplace for relaxing evenings. The kitchen is equipped with a 20 cu. ft. refrigerator, professional-grade cooktop, and large pantry for all your camping meals. Up front, the private master suite offers a queen bed (optional king), a wardrobe slide, overhead cabinets, and direct access to the dual-entry bath with a fiberglass shower and glass door. Every Momentum M-Class is built for durability and all-season comfort with a thermal roof design, triple insulated floors, Rail-Tite underbelly seal, and wide-body chassis. Towing is smooth with the CRE3000 suspension system, while the Stealth A/C system ensures efficient climate control. Inside, luxury finishes like solid surface countertops, LED accent lighting, and residential-style furniture create a true home-away-from-home. The Momentum M-Class 344M is the perfect balance of power, storage, and comfort—ready for your next big adventure. This is the manufacturer's minimum allowed advertised price. Please contact us today for your unbeatable personalized quote.

New 2025 Grand Design Momentum M-Class 344M

$99,950.00
PLEASURELAND RV WEST SALEM, WI
West Salem, WI

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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 the optional Happi-Jac rollover sofas and a table with a top bed will give you the option to add even more seating and sleeping space. 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, 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. OPTIONS: Luxury Interior Package Exterior Package Garage Package Weather-Tek Insulation Package Under Unit LED Light Kit Bedroom A/C Kitchen Power Fan w/Rain Sensor Garage LED HD TV Auxiliary Fresh Water Tank 20 cf. 12V Refrigerator TravlFi On-Board WiFi Ready Rockford Fosgate Stage 1 Stereo 500 Watts Int/Ext Speaker w/10" Powered Sub Yamaha 6KW Gasoline Generator Gen II 3 Season Door w/Sliding Windows 3rd A/C Heat Pump A/C Happi-Jac Electric Bunk System w/Folding Sofas Rear Aluminum Deck System w/Rear Power Awning Patio Chairs Exterior Entertainment Solar+ Package 2000w Inverter Dual 330W Panels 50 AMP Controller 2 Dock Ports Bluetooth Module Upgraded Cooper H-Rated Tires w/17.5" Wheels (triple axle) SafeRide RV Roadside Assistance 8K Axles w/ABS Drum Brakes LIST OF OPTIONS MAY NOT BE ACCURATE

New 2025 Grand Design Momentum M-Class 344M

$99,950.00
PLEASURELAND RV BRAINERD, MN
Brainerd, MN

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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 the optional Happi-Jac rollover sofas and a table with a top bed will give you the option to add even more seating and sleeping space. 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, 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. OPTIONS: Luxury Interior Package Exterior Package Garage Package Weather-Tek Insulation Package Under Unit LED Light Kit Bedroom A/C Kitchen Power Fan w/Rain Sensor Garage LED HD TV Auxiliary Fresh Water Tank 20 cf. 12V Refrigerator TravlFi On-Board WiFi Ready Rockford Fosgate Stage 1 Stereo 500 Watts Int/Ext Speaker w/10" Powered Sub Yamaha 6KW Gasoline Generator Gen II 3 Season Door w/Sliding Windows 3rd A/C Heat Pump A/C Happi-Jac Electric Bunk System w/Folding Sofas Rear Aluminum Deck System w/Rear Power Awning Patio Chairs Rear Patio Steps Exterior Entertainment Solar+ Package 2000w Inverter Dual 330W Panels 50 AMP Controller 2 Dock Ports Bluetooth Module Upgraded Cooper H-Rated Tires w/17.5" Wheels (triple axle) SafeRide RV Roadside Assistance 8K Axles w/ABS Drum Brakes LIST OF OPTIONS MAY NOT BE ACCURATE

New 2026 Grand Design Momentum M-Class 344M

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MESA, AZ
Mesa, AZ

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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. *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 2026 Grand Design Momentum M-Class 344M

Call for price
LITTLE DEALER OF MESA, AZ
Mesa, AZ

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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. *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 and used Grand Design RVs for sale

New 2025 Grand Design Momentum M-Class 344M

$107,895.00

New 2025 Grand Design Momentum M-Class 344M

$107,999.00

New 2025 Grand Design Momentum M-Class 344M

$109,980.00

New 2026 Grand Design Momentum M-Class 344M

$147,995.00

New 2026 Grand Design Momentum M-Class 344M

$147,995.00

New 2026 Grand Design Momentum M-Class 344M

$143,295.00

New 2025 Grand Design Momentum M-Class 344M

$99,950.00

New 2025 Grand Design Momentum M-Class 344M

$99,950.00

New 2026 Grand Design Momentum M-Class 344M

Call for price

New 2026 Grand Design Momentum M-Class 344M

Call for price

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