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2025 Grand Design Momentum M-Class 395MS
by Grand Design
Full Specifications
General Info
| Manufacturer | Grand Design |
| Country of Origin | USA |
| Year | 2025 |
| Category | Toy Hauler |
| Subcategory | — |
Dimensions & Weight
| Length | 42.5 ft |
| Width | 8.5 ft |
| Height | 13.5 ft |
| Dry Weight | 10,300 lbs |
| GVWR | 12,400 lbs |
| Hitch Weight | 1,030 lbs |
| Cargo Capacity | 2,100 lbs |
Engine & Chassis
| Fuel Type | N/A |
| Engine | — |
| Chassis | — |
| Horsepower | — |
| Fuel Capacity | 57 gal |
Living & Off-Grid
| Sleeping Capacity | 7 |
| Slide-Outs | 0 |
| Awning Length | 14.5 ft |
| A/C | 13,500 BTU |
| Furnace | 16,000 BTU |
| Fridge | 2-way (LP/Electric) |
| Fresh Water | 61 gal |
| Gray Water | 53 gal |
| Black Water | 42 gal |
| Solar | 300 W |
| Battery | 150 Ah |
| Inverter | 2,500 W |
About the 2025 Grand Design Momentum M-Class 395MS
Work hard, play harder. That is the philosophy behind the 2025 Grand Design Momentum M-Class 395MS by Grand Design, a 2025 toy hauler that refuses to make you choose between bringing your toys and traveling in comfort.
Coming in at 42.5 feet end to end, a width of 8.5 feet and 13.5 feet in height, the 2025 Grand Design Momentum M-Class 395MS tips the scales at 10,300 pounds dry weight, with a GVWR of 12,400 lbs, leaving you 2,100 lbs of cargo carrying capacity.
Families will appreciate the generous sleeping capacity of 7, with bunk beds, convertible dinettes, and a master sleeping area all contributing to the count. The 2025 Grand Design Momentum M-Class 395MS delivers enough room for the whole family to spread out after a long day of hiking, swimming, or exploring.
The tank configuration includes a generous 61-gallon fresh water supply, 53 gallons of gray water holding, a 42-gallon black water tank. On the power front, you get 300-watt solar charging capability, 150 amp-hours of battery storage, a 2500-watt inverter for household AC power. A 13,500 BTU air conditioner keeps things cool in summer heat, and 16,000 BTU of furnace output tackles chilly evenings. The kitchen features a 2-way (LP/Electric) refrigerator for keeping provisions cold. The 14.5-foot awning creates a shaded outdoor area that becomes a favorite gathering spot at camp.
With a dry weight of 10,300 lbs, you will need a properly rated tow vehicle. with 1,030 lbs of hitch weight to account for in your towing setup. The fully loaded GVWR of 12,400 lbs is the number to match against your tow vehicle's rating.
With an MSRP of $176,000, the 2025 Grand Design Momentum M-Class 395MS lands in premium territory with the build quality and features to justify the investment for serious RV enthusiasts. The 2025 Grand Design Momentum M-Class 395MS is an excellent choice for families with children who want everyone to have their own sleeping space on camping trips without the hassle of setting up tents.
All things considered, the 2025 Grand Design Momentum M-Class 395MS from Grand Design packs a strong feature set into a well-designed package. It deserves careful consideration alongside any competitor in the Toy Hauler space, and a thorough walk-through will likely confirm its appeal.
The 2025 Grand Design Momentum M-Class 395MS is a toy hauler that combines a spacious living area with a built-in garage for your ATVs, motorcycles, or side-by-side.
The rear garage area features a spring-assisted ramp door, tie-down points, and 57-gallon onboard fuel station. When not hauling toys, the garage converts to additional living space with a fold-down sofa and optional happi-jack bed system. The main living area includes 0 slide-out(s) and sleeps 7 total.
The 16,000 BTU furnace and 13,500 BTU AC system provide year-round climate control. Starting at $176,000, the 2025 Grand Design Momentum M-Class 395MS is competitively priced for a toy hauler of this capability and quality.