2025 Grand Design Momentum M-Class Toy Haulers for Sale Fort Worth Weatherford Arlington TX

View our Grand Design Momentum M-Class Toy Hauler inventory in stock
Grand Design Momentum M-Class overview


The 2025 Grand Design Momentum M-Class series for Sale Fort Worth Weatherford Arlington TX represents a lightweight option among our collection of 5-wheel toy haulers. The M-Class has many of the same characteristics as the ordinary Momentum. Even though it’s lighter in weight than the Momentum, increasing the number of tow vehicles that qualify, it isn't light when it comes to lavishing its owner with luxury and off-grid functionality. With its six different floorplans, double or triple axles, and lengths from 38 to 44 feet, the M-Class gives its owners a lot of choices for exploring the great outdoors. The M-Class is known for having large garages that can fit all of your toys. The other rooms also have high-end features that will make your stay comfortable no matter where you are. No matter if you are racing in the desert or riding in the Alps, the Momentum M-Class will make you feel at home without you being there.

Finance your RV at McClain's RV
Grand Design Momentum M-Class 349M floorplan
Grand Design Momentum M-Class 351MS floorplan
Grand Design Momentum M-Class 381MS floorplan
Grand Design Momentum M-Class 395MS floorplan
Grand Design Momentum M-Class 398M floorplan
Grand Design Momentum M-Class 414M floorplan


With a choice of six floorplans, the 2025 Grand Design Momentum M-Class for Sale Fort Worth Weatherford Arlington TX offers owners plenty of opportunities to venture outside and explore. The 349M is the first model to be discussed; it has a carport that can extend up to 13 feet. Additionally, washer and dryer connections are located beneath the higher bunk bed, and a full bathroom is an optional feature. From the couch in the dining area, which can easily seat four people, you can see the huge entertainment center. The 349M is a new Momentum M-Class car because it has the first skylight with over 6 feet of headroom and the first bathroom with a deep bathtub/shower. And finally, starting with the 349M, we need a 60-gallon gas stop. The master bedroom now has a washer and dryer set up, with two big closets on either side of the front cap. The 351MS also standardizes the half bath in the garage area. There is also an island with a big stainless steel sink and desk space for two people. This is the first Momentum M-Class with extra room for toys. The 381MS has a 15-foot garage. Furthermore, the master bedroom has a very interesting flip-up closet that is ready to fit your preferred high-definition TV. The 395MS Momentum rearranges the furniture to make a private space between the living area and kitchen by adding two separate pullout chairs and theater seats. You don't have an island to prepare and eat meals; instead, you have a large L-shaped table top and a dinette that stands alone. All of these features are available in the biggest M-Class, the 398M. It has an 18-foot garage, two full Happi-Jack bunks, and enough room for up to eight people to sleep. The 414M is the most latest model to be added to the M-Class line. It has a unique garage with Happi-Jack bunk beds and a separate overhead bed system. To make more room in the garage, the extra bunk bed can even be lifted. The gas station, which can hold 60 gallons of gas, is next to the workshop. There are many shelves and drawers in the bedroom, which is open to the bathroom. On the front cap, there is a large area for preparing laundry and drying items, as well as luxurious barn-style folding doors. When you go downstairs to the kitchen, you'll find a large refrigerator (20 cubic feet), an island kitchen, and a full-sized butler's closet. A short distance away is the mid-living area, which has theater-style seats, a 4-person table, and a Tri-Fold couch. The TV is cool because it telescopes out from the fireplace.

Schedule a Walkthrough at McClain's RV
grand design momentum m-class exterior


The 2025 Grand Design Momentum M-Class for Sale Fort Worth Weatherford Arlington TX enhances your outdoor living experience with a number of cutting-edge features. Let's start by discussing how to maximize your shade. Dual-powered awnings for the main coach and the garage are standard on all M-Class vehicles, and they may both be operated from an interior panel. You can spend more time outside because they protect you from the sun and rain. There is also a hidden LED lighting strip built into the curtains to keep the nights bright. There are two different entrances on every M-Class. One leads to the garage and the other to the coach. Both have aluminum quad entry steps. Spray tubes by the doors clean your shoes so you don't bring dirt inside with you. The All-in-One Exterior Utility Center is part of the Exterior package and lets you handle all of your water and flush tanks. All outdoor storage containers have metal slam locks and are rated for zero degrees, so the cold stays outside. There is triple insulation, airtight closing, heating, and 12-volt tank warmers on the Momentum to keep all of its water tanks and pipes safe. One new feature is the blue LED lights under the unit in front and back. The interior light of the RV gives your campsite a unique look. The 300-watt amplifier and 12-inch subwoofer in the Rockford Fosgate speakers make deep bass. Both are fully Bluetooth compatible. With its 60-gallon capacity, the toy hauler-specific fuel station lets you move all the gas your toys need to keep going.

Value your Trade at McClain's RV
Grand Design Momentum M-Class interior


The 2025 Grand Design Momentum M-Class for Sale Fort Worth Weatherford Arlington TX interiors are among the roomiest and most comfortable you'll find in a fifth-wheel toy hauler. We will start by going to the garage area. Diamond plating protects the M-Class garage walls. The floor is made of tuff-ply, which is resistant to gas and oil, and there are 2500-pound tie-down clamps to keep your toys from moving around. The Happi-Jack bunk setup adds more sleeping space. The bunks can be raised or lowered by controlled rails when the garage is being used for storage or sleeping. Overhead beds with TVs provide a private space. The living room has top-of-the-line Insignia series stoves with four burner tops and 3.7 cubic feet of oven space. You can get to the living room from the garage. It's amazing that these ovens can cook with 42,500 BTU. Models with islands have more even room, and the beautiful counter top can be used to make food or just chat. Sinks made of stainless steel that go deep have tall taps and sprayers that are stained bronze. There are a lot of overhead shelves and large pantries that can hold a lot of dry goods. There is a big, fluffy couch in each sitting room that is great for relaxing on. Entertainment areas have 49-inch HDTVs and electric fireplaces that put out 5,000 BTUs of heat. The shower heads, sink faucets, and fiberglass sunken tubs in the bathrooms are all made of high-quality brass. The room feels even more beautiful because there are skylights above the shower, real porcelain sinks, and glass shower doors. The bedroom has many nice features that will make you feel at home, such as a beautiful headboard and a bedside table with a house design. You can keep all of your electronics charged because there are 110V and USB ports next to your bed. There is plenty of space in the drawers and closets for all of your things. Some M-Class models even have walk-in rooms big enough to fit a washer and dryer.

View our Grand Design Momentum M-Class Toy Hauler inventory in stock
Grand Design Momentum M-Class why buy

Why Buy?

The 2025 Grand Design Momentum M-Class for Sales Fort Worth Weatherford Arlington TX series of fifth-wheel toy haulers, unmatched in this class of RVs, offers its customers an extensive level of both luxury and off-grid usability. The M-Class was designed to appeal to a wider audience and has more towing options and convenience than any other transporter in its class. Thanks to Grand Design's stringent manufacturing standards, the M-Class has passed through more than 300 different points of inspection, both at the plant and at their special off-site pre-delivery facility. This makes it the most completely tested toy hauler on the market. Their continued customer service and guarantee demonstrate their faith in their dedication to quality. Regardless of how each owner uses their M-Class, the 3-year structural warranty ensures that they are well taken care of. And the M-Class is built for enjoyment! It gives its owners the freedom to bring everything they need to enjoy a variety of scenarios and then, at the end of the day, relax and rest. Come and enjoy the thrill with the Momentum M-Class, as there is a world of amusement waiting for you outdoors!