Grand Design · Toy Hauler · 2027

Grand Design Momentum G-Class 350G

Value is the G-Class pitch: this fifth-wheel toy hauler costs around $45,000 less than the Momentum M-Class while keeping a long garage, second only to the 394G in the G-Class lineup. Roof solar, a 12V fridge and a fuel station come standard, and the walls and floors carry the same thermal ratings Grand Design quotes for its pricier lines.

Approx. price: ~$146,730; maker starting price
Length: 39.8 ft
Sleeps: 5

Specifications

Size

Exterior length: 39.8 ft
Exterior height: 13.5 ft
Sleeps: 5
Slide-outs: 3

Tanks and power

Fresh water: 98 gal
Gray water: 52 gal
Black water: 104 gal
Factory solar: 330 W

Standard equipment named by the maker

Fifth-wheel toy hauler, 14'6" garage
330W roof solar, 50A controller, 15 cu ft 12V fridge (standard)
30-gal fuel station
Thermal roof R-40, laminated walls R-11, triple-insulated floors

Weights

2027 maker figures

Dry weight (UVW): 13,400 lb
GVWR: 18,000 lb
Pin weight, dry: 2,600 lb
Cargo capacity (CCC): not published

4,600 lb between brochure dry weight and GVWR. Water (8.3 lb a gallon), food, gear, propane and dealer-added options all come out of it.

What these weights mean →

Size, to scale

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Grand Design Momentum G-Class 350G · 39.8 ft long · 13′6″ tall

Drawn to one scale from each camper's listed length and, where the maker publishes it, its exterior height. Outlines are typical for the camper type, not traced from this model. The figure is a 6 ft person. The dashed blue line is 25 ft, the length about 93% of national park campgrounds accept.