{"@context":"https://schema.org","@type":"Product","name":"2 Grand Design Momentum M-Class RVs for sale near Knoxville","offers":{"@type":"AggregateOffer","offerCount":2,"lowPrice":"119989.00","highPrice":"138989.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-399m/d38f1cf8-d0e8-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 399M","description":"2026 Grand Design Momentum M-Class 399M, New 2026 Grand Design Momentum M-Class 399M

The New 2026 Grand Design Momentum M-Class 399M is built for RVers who want top-tier luxury combined with serious toy hauling capability. Featuring a spacious 13-foot garage, this floorplan is perfect for bringing along motorcycles, ATVs, or side-by-sides while still offering a high-end residential interior. The garage easily converts into a flexible living and sleeping space with rollover sofas, a HappiJac bed system, and a loft above, giving you plenty of room for guests or family.

The main living area offers a wide-open layout with multiple slide-outs, creating a true residential feel with theater seating, a large sofa, and an entertainment center for relaxing after a day of adventure. The kitchen is designed for real cooking on the road, featuring a large kitchen island, residential refrigerator, cooktop, oven, microwave, and abundant cabinetry, while the bath and a half layout adds extra convenience, especially for guests using the garage area.

Toward the front, the private master suite provides a comfortable king bed, wardrobe storage, and dresser space, creating a quiet retreat at the end of the day. The main bathroom includes a spacious residential-style shower and vanity, while outside, dual power awnings and large exterior storage compartments create the perfect outdoor setup for relaxing and entertaining. With its versatile garage, luxury features, and Grand Design craftsmanship, the Momentum M-Class 399M is built for both adventure and comfort.

Key Features & Highlights

13' toy hauler garage for motorcycles, ATVs, or gear HappiJac bed lift system with convertible seating Loft sleeping area for additional guests Bath and a half for added convenience Spacious living area with theater seating and sofa Kitchen island for meal preparation and serving Residential refrigerator, cooktop, oven, and microwave Private front bedroom with king bed Large bathroom with residential-style shower Dual power awnings for outdoor living Exterior storage compartments for camping gear

Why Choose Campers Inn RV

When you choose Campers Inn RV, you re partnering with a team dedicated to helping you enjoy the RV lifestyle with confidence. Our RV Match Makers work closely with you to find the perfect RV for your travel goals, lifestyle, and budget. Every new RV we offer is carefully inspected and prepared by certified technicians so it s ready for adventure. With flexible financing options, transparent pricing, and dependable service support whenever you need it, Campers Inn RV of Knoxville makes RV ownership simple and exciting.

See It In Person Today

Experience the luxury, space, and adventure-ready design of the Grand Design Momentum M-Class 399M for yourself. Cal","itemCondition":"Used","priceCurrency":"USD","price":"138989.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-grand-design-momentum-m-class-395ms/7f51fa58-d0e9-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 GRAND DESIGN MOMENTUM M-CLASS 395MS","description":"2026 Grand Design Momentum M-Class 395MS, New 2026 Grand Design Momentum M-Class 395MS

The New 2026 Grand Design Momentum M-Class 395MS is built for serious adventure seekers who want the perfect combination of toy hauler capability and luxury fifth wheel living. Grand Design s Momentum M-Class lineup is known for high-end finishes, innovative design, and durable construction, making it a top choice for RV owners who want both performance and comfort.

The massive rear garage offers approximately 14 feet of cargo space, providing plenty of room for motorcycles, ATVs, side-by-sides, bikes, or outdoor gear. Once you arrive at camp, the garage easily converts into a comfortable living and sleeping area with the Happi-Jac power bed lift system, dual rollover sofas, and a loft bed above for additional sleeping capacity.

The garage area also includes a convenient half bathroom, making it easy for guests or riders to access the restroom without walking through the main living area.

Moving into the main living space, the Momentum 395MS features a spacious interior thanks to multiple slide-outs that create a true residential feel. Theater seating and a large sofa face the entertainment center and fireplace, offering a relaxing place to unwind after a day of adventure. Large windows bring in natural light while providing great views of the campsite.

The kitchen is designed for cooking comfortably on the road. A large kitchen island offers extra counter space for meal preparation, while the residential refrigerator, microwave, oven, and cooktop make preparing meals easy. Ample cabinetry and pantry storage provide plenty of space for food and kitchen supplies.

Toward the front of the fifth wheel, the private master suite offers a comfortable king bed with wardrobe storage and dresser space. This relaxing retreat provides privacy and comfort after a full day of travel or outdoor activity.

The main bathroom includes a spacious shower, vanity sink, and toilet, giving you the convenience of a full residential-style bathroom while traveling.

Outside, the Momentum continues to impress with large exterior storage compartments and dual power awnings that create an expansive outdoor living area. Whether you're relaxing after a ride or entertaining friends at the campsite, this toy hauler is designed to maximize both adventure and comfort.

Grand Design builds the Momentum series with premium construction and attention to detail, making the 395MS an excellent choice for RV owners who want luxury toy hauler performance built for long-term adventures.

Key Features & Highlights

14-foot rear garage for motorcycles, ATVs, or side-by-sides Happi-Jac power bed lift system with rollover sofas Loft bed above the garage for additional sleeping Half bathroom in garage area Spacious living room with theater seating Entertainment ce","itemCondition":"Used","priceCurrency":"USD","price":"119989.00"}}]}}