Introducing the 2026 Grand Design Momentum M-Class 399M ToyHauler, a pinnacle of luxury and functionality in the world of recreational vehicles. This exceptional RV is designed for those who seek adventure without compromising on comfort. With its impressive length of 37 feet, this ToyHauler offers ample space for both living and storage, making it the ideal choice for families and outdoor enthusiasts alike. The Momentum M-Class 399M features three expansive slide-outs, significantly enhancing the interior living space. This RV comfortably accommodates up to six people, providing a perfect blend of privacy and communal areas. The thoughtfully designed layout includes a master bedroom, a versatile living area, and a well-equipped kitchen, ensuring that every journey is as comfortable as being at home. The high-quality finishes and modern amenities make this RV a true home on wheels, allowing you to explore the great outdoors without sacrificing the comforts of modern living. Weighing in at 10,215 kilograms, the Grand Design Momentum M-Class 399M is built with durability and safety in mind. Its robust construction ensures stability and reliability on the road, while the spacious toy hauler garage provides ample room for your recreational gear, whether it be motorcycles, ATVs, or bicycles. This RV is not just a vehicle; it’s a gateway to adventure, offering the freedom to explore new horizons with all the comforts of home. Experience the ultimate in RV living with the 2026 Grand Design Momentum M-Class 399M ToyHauler.