New 2026 Grand Design Momentum G-Class 320G Toy Hauler Fifth Wheel
The 2026 Grand Design Momentum 320G is the perfect RV to turn your travel dreams into reality
Grand Design Momentum G-Class 320G Toy Hauler Highlights:
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11' Separate Garage with Ramp Patio
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Bath and a Half
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Private Front Bedroom
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Overhead Loft Bed
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Fireplace and Theater Seating
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Fuel Station with Interior/Exterior Gauge
Premium Comfort Meets Rugged Utility
Take your adventure to the next level with the Momentum G-Class 320G toy hauler by Grand Design. Built for thrill-seekers and off-road enthusiasts, this model features an 11-foot separate garage perfect for storing ATVs, motorcycles, or other gear. Once unloaded, the rear ramp converts into a patio deck, expanding your outdoor living space and providing the perfect spot to relax or entertain.
Inside the garage, you’ll find power rollover sofas, a half bath, and a loft bed above—ideal for guests or extra storage. Two entry doors offer convenient access from both the main living area and the garage.
Residential-Style Interior with Functional Design
The main living space includes a fireplace, theater seating in a slide-out, and a fully equipped kitchen—making it easy to cook meals and relax after a day on the trails. Large panoramic windows bring in natural light, while residential cabinetry and quality finishes provide a warm, inviting feel.
When it's time to unwind, head to the private front bedroom, complete with a walk-around bed, overhead storage, and access to the full bathroom.
Built for All-Season Performance
The Momentum G-Class 320G is engineered for year-round adventure with features like:
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Heated and enclosed underbelly with suspended tanks
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Moisture barrier floor enclosure
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High-capacity furnace
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Cabinet-mounted heat ducts
These upgrades allow you to travel in comfort whether you're chasing summer sun or winter snow.
Toy Hauler Features That Work as Hard as You Do
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Integrated fuel station with interior and exterior gauge
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Dovetail rear end for smoother loading
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2,500-lb rated tie-downs anchored into the chassis
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USB charging ports in the bedroom
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Shower skylight for added natural light
From dawn rides to sunset cookouts, the Grand Design Momentum G-Class 320G has the space, durability, and creature comforts to match your adventurous lifestyle.
This is the manufacturer's minimum allowed advertised price. Please contact us today for your unbeatable personalized quote.
Meet the owner in Buffalo and talked to him and gave him a pair of gloves to dump his RV, what a pleasant guy to visit with. I would go in when I’m ready to buy. - Sheldon
Stock# 105634
| Sleeps | 5 |
| Slides | 3 |
| Length | 36 ft 3 in |
| Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 6 in |
| Int Height | 8 ft 7 in |
| Hitch Weight | 2300 lbs |
| GVWR | 16400 lbs |
| Dry Weight | 12400 lbs |
| Fresh Water Capacity | 98 gals |
| Grey Water Capacity | 52 gals |
| Black Water Capacity | 104 gals |
| Tire Size | 17.5" |
| Furnace BTU | 35000 btu |
| Fuel Capacity | 30 gals |
| Available Beds | Queen |
| Refrigerator Type | Stainless Steel |
| Refrigerator Size | 15 cu ft |
| Cooktop Burners | 3 |
| Shower Size | 48" x 30" |
| Number of Awnings | 1 |
| Axle Weight | 8000 lbs |
| Garage Size | 11 ft |
| LP Tank Capacity | 30 lbs |
| Water Heater Type | Tankless |
| AC BTU | 30000 btu |
| TV Info | LR 40" LED Smart TV |
| Awning Info | 18' Power with LED Lights |
| Axle Count | 2 |
| Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 |
| Shower Type | Walk-In Shower |
| Electrical Service | 50 amp |
| VIN | 573FM3826TBB04213 |
Momentum G-Class 320G Reviews
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Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.


