New 2025 Grand Design Momentum 397THS Toy Hauler Fifth Wheel
$38,868 in options including King Bed Upgrade, Garage Suite, Yamaha Generator, and more! Call 937-440-5821 or come by today
- Dual Entry
- Two Full Baths
- Kitchen Island
- 13' 6" Separate Garage
- Island with Bar Stools
- Flip-Up Pet Dish in Garage
Experience the pinnacle of luxury toy hauler design with the New 2025 Grand Design Momentum 397THS, a fifth wheel engineered for travelers who want high performance, premium comfort, and unmatched versatility. Designed for those who refuse to compromise, the Momentum 397THS delivers incredible living space, an innovative garage, and the residential features Grand Design is known for. Whether you're hauling your favorite toys, exploring national parks, or setting up a long-term home base, this model brings upscale living wherever you roam.
Step inside and be surrounded by a spacious, residential-style interior featuring high-end finishes and an open-concept layout. The huge main living area includes opposing slides, theater seating, a large sofa, a premium entertainment center, and a fireplace, creating a warm and inviting gathering space. The chef-inspired kitchen offers solid-surface countertops, high-end appliances, a residential refrigerator, a kitchen island, and generous pantry storage. Every detail is built for functionality and style.
The master suite is designed for relaxation, featuring a true residential feel with a king bed, wardrobe closets, and ample overhead storage. The full bathroom provides a large shower, premium fixtures, and smart storage for everyday comfort.
At the rear, the garage offers all the space you need for motorcycles, ATVs, tools, or adventure gear. With tie-downs, durable flooring, overhead cabinetry, and the ability to convert into additional living space or sleeping quarters, the 397THS delivers ultimate flexibility for any lifestyle.
Built on the Momentum series' reputation for durability and craftsmanship, this toy hauler features industry-leading insulation, a rock-solid chassis, and high-quality construction designed for full-time RV living.
Reasons to Buy the 2025 Grand Design Momentum 397THS:
• Large, flexible garage ideal for toys, workshop space, office setup, or extra sleeping room.
• Spacious living area with premium seating, entertainment center, and fireplace.
• Residential kitchen with island, top-tier appliances, and abundant storage.
• Luxury master suite with king bed and generous wardrobe space.
• High-end construction suitable for extended or full-time RV living.
• Durable, beautifully designed, and engineered for comfort, performance, and style.
Why Buy from Campers Inn RV:
Campers Inn RV is the RVer’s Trusted Resource, offering unmatched customer service, expert product knowledge, and straightforward, transparent pricing. Their experienced team helps you find the perfect Grand Design model while providing a smooth, stress-free buying experience. With one of the largest family-owned dealership networks in the country, Campers Inn RV offers nationwide support, dependable service, and a long-standing commitment to customer satisfaction. When you buy from Campers Inn RV, you gain a partner dedicated to helping you enjoy every moment of your RV ownership.
The team here is awesome to work with. They went above and beyond to get us out the door even faster than usual. Service is great. Sales team is friendly and not pushy. Management and finance were great. This is a great place to purchase your RV from. - Christopher
Stock# 100100
Interior Color: DUSK
| Sleeps | 4 |
| Slides | 3 |
| Length | 44 ft 2 in |
| Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 5 in |
| Int Height | 8 ft 5 in |
| Interior Color | DUSK |
| Hitch Weight | 3375 lbs |
| GVWR | 20000 lbs |
| Dry Weight | 15600 lbs |
| Fresh Water Capacity | 140 gals |
| Grey Water Capacity | 104 gals |
| Black Water Capacity | 104 gals |
| Tire Size | 17.5" |
| Furnace BTU | 40000 btu |
| Fuel Capacity | 60 gals |
| Available Beds | Queen |
| Refrigerator Type | 12V Stainless Steel |
| Refrigerator Size | 20 cu ft |
| Cooktop Burners | 3 |
| Number of Awnings | 3 |
| Axle Weight | 7000 lbs |
| Garage Size | 13 ft 6 in |
| LP Tank Capacity | 30 lbs |
| Water Heater Type | On Demand |
| AC BTU | 30000 btu |
| TV Info | LR 49" LED TV, BR LED TV, Garage 32" LED TV |
| Awning Info | 14', 12' & 10' Power w/LED Lights |
| Axle Count | 3 |
| Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 |
| Shower Type | Shower w/Seat |
| Electrical Service | 50 amp |
| VIN | 573FM4634SBB03609 |
Momentum 397THS Reviews
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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.


