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Grand Design Momentum G-Class 320G Toy Hauler Highlights

  • 11' Separate Garage

  • Bath and a Half

  • Loft Bed

  • Electric Fireplace

  • Private Front Bedroom

  • Fuel Station with Interior and Exterior Gauge

Adventure-Ready Design in the Momentum G-Class 320G Toy Hauler

The Grand Design Momentum G-Class 320G is built for travelers who want to bring all their toys along without sacrificing residential comfort. The 11-foot separate garage provides ample space for ATVs, motorcycles, or dirt bikes, and once unloaded, it easily transforms into additional living or sleeping space. The rear ramp can also convert into a spacious patio, creating an ideal outdoor gathering area with exterior speakers to enhance the experience.

Inside, this toy hauler is designed for relaxation after a long day on the trails. The separate living area features a cozy fireplace, theater seating in a slide-out, and a full kitchen equipped for longer adventures. A loft bed adds an extra sleeping option, while the bath and a half layout provides exceptional convenience for groups or families.

The private front bedroom offers a quiet place to unwind and recharge, making it easy to enjoy early mornings or late nights at your favorite destination.

Built for All-Season Exploration

The Momentum G-Class series is engineered for year-round travel. The Insulation Package includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Whether you’re camping in warm climates or colder environments, this toy hauler helps maintain interior comfort.

Additional performance and durability features include:

  • Fuel station with both interior and exterior gauges

  • Dovetail rear end for easier loading

  • 2,500-pound tie-downs anchored directly into the chassis

Inside, the Momentum G-Class delivers residential comfort with large panoramic windows, a shower skylight, USB charging ports in the bedroom, and high-quality cabinetry throughout.

The Perfect Blend of Utility and Comfort

Whether you're heading to the dunes, the trails, or a remote off-grid campsite, the Grand Design Momentum G-Class 320G toy hauler provides the space, features, and durability you need. With its garage flexibility, luxury interior, and all-season capability, it’s built to elevate every adventure.

New 2026 Grand Design Momentum G-Class 320G

Type: Fifth Wheel
Condition: NEW
Year: 2026
Manufacturer: Grand Design
Brand: Momentum G-Class
Model: 320G
Weight (Dry/Gross): 12400 lbs / --
Sleeps: 5
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