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2025 Grand Design Momentum G-Class 28G
by Grand Design
Full Specifications
General Info
| Manufacturer | Grand Design |
| Country of Origin | USA |
| Year | 2025 |
| Category | Toy Hauler |
| Subcategory | — |
Dimensions & Weight
| Length | 43 ft |
| Width | 8.5 ft |
| Height | 12.5 ft |
| Dry Weight | 12,000 lbs |
| GVWR | 15,200 lbs |
| Hitch Weight | 2,040 lbs |
| Cargo Capacity | 3,200 lbs |
Engine & Chassis
| Fuel Type | N/A |
| Engine | — |
| Chassis | — |
| Horsepower | — |
| Fuel Capacity | 31 gal |
Living & Off-Grid
| Sleeping Capacity | 10 |
| Slide-Outs | 0 |
| Awning Length | 17 ft |
| A/C | 13,500 BTU |
| Furnace | 30,000 BTU |
| Fridge | Single-door compressor |
| Fresh Water | 56 gal |
| Gray Water | 80 gal |
| Black Water | 46 gal |
| Solar | 150 W |
| Battery | 150 Ah |
| Inverter | 1,000 W |
About the 2025 Grand Design Momentum G-Class 28G
Work hard, play harder. That is the philosophy behind the 2025 Grand Design Momentum G-Class 28G by Grand Design, a 2025 toy hauler that refuses to make you choose between bringing your toys and traveling in comfort.
Stretching 43.0 feet from bumper to bumper, 8.5 feet wide and with a height of 12.5 feet, the 2025 Grand Design Momentum G-Class 28G weighs in at 12,000 pounds before loading, and a gross vehicle weight rating of 15,200 pounds, leaving you 3,200 lbs of cargo carrying capacity.
With capacity for 10 people to sleep, this is a true family hauler. The 2025 Grand Design Momentum G-Class 28G arranges its sleeping areas across multiple zones, so parents can enjoy separation from the kids at bedtime while everyone shares the common living space during waking hours.
The tank configuration includes 56 gallons of fresh water capacity, 80 gallons of gray water holding, a 46-gallon black water tank. Energy management is handled by 150-watt solar charging capability, 150 amp-hours of battery storage, a 1000-watt inverter for household AC power. 13,500 BTU of air conditioning handles warm-weather comfort, and 30,000 BTU of furnace output tackles chilly evenings. The kitchen features a Single-door compressor refrigerator for keeping provisions cold. The 17.0-foot awning creates a shaded outdoor area that becomes a favorite gathering spot at camp.
Towing the 12,000-pound 2025 Grand Design Momentum G-Class 28G demands adequate tow capacity from your truck. with 2,040 lbs of hitch weight to account for in your towing setup. Make sure your tow vehicle is rated for the 15,200-lb GVWR when fully loaded with gear and water.
Priced at $70,000, the 2025 Grand Design Momentum G-Class 28G sits in the competitive mid-range where buyers get meaningful features without a luxury price tag hanging over the purchase. The 2025 Grand Design Momentum G-Class 28G 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.
The 2025 2025 Grand Design Momentum G-Class 28G stands as a testament to what Grand Design brings to the Toy Hauler segment. With its combination of thoughtful design and practical features, it earns serious consideration from anyone shopping in this class.
The 2025 Grand Design Momentum G-Class 28G is designed for outdoor enthusiasts who refuse to leave their toys at home, offering a dedicated garage and full living quarters.
At 43 feet long with 0 slide-out(s), the 2025 Grand Design Momentum G-Class 28G provides separate zones for living and gear. The kitchen features a Single-door compressor refrigerator, three-burner stove, and island prep area. Tank capacities of 56/80/46 gallons ensure extended stay capability.
Dual AC units providing 13,500 BTU keep both the living area and garage comfortable. With a 150-watt solar prep and heavy-duty construction, the 2025 Grand Design Momentum G-Class 28G is built for serious adventures. MSRP starts at $70,000.