2026 Grand Design Momentum G-Class 320G – Luxury Toy Hauler at Sonny’s RVs in Casper, WY
The 2026 Grand Design Momentum G-Class 320G is built for RVers who want high-end comfort AND rugged toy-hauling capability — the perfect balance of luxury living and adventure-ready functionality. Now available at Sonny’s RVs in Casper, Wyoming, this premium G-Class toy hauler offers a spacious garage, residential-quality features, and Grand Design’s superior construction designed to handle everything from Wyoming mountain trips to cross-country adventures.
Key Features on 2026 Grand Design Momentum G-Class 320G
- 36' 3" length with spacious living and garage zones
- Sleeps up to 7 people
- Queen master suite + bunk beds + convertible seating
- Large garage with ramp door for ATVs, UTVs, dirt bikes & gear
- Reclining sofa seating in the main living area
- Full kitchen with 4-burner stove, oven & full-size refrigerator
- High-end tech: Bluetooth audio, surround sound, tankless water heater
- Power awning, aluminum wheels & rugged G-Class build
- Strong, durable frame built for off-grid and off-road trips
- Ideal for toy hauler buyers who want comfort + capability
Toy Hauler Garage – Adventure Ready
The Momentum G-Class 320G is designed for those who bring their toys along. The rear garage features:
- Heavy-duty tie-downs
- Weather-resistant flooring
- Ramp door for easy loading
- Convertible sleeping/sofa options
- Perfect storage for sports gear, side-by-sides, mountain bikes, or motorcycles
Whether you're heading to the sand dunes, mountain trails, or Wyoming backcountry, the garage bay is ready.
Spacious Living Area
The interior offers an open concept living room with:
- A reclining sofa
- Entertainment center setup (TV-ready)
- Panoramic windows
- Residential LED lighting
This makes the 320G comfortable for rainy days, long trips, or evenings relaxing after riding.
Fully Equipped Kitchen
The kitchen includes:
- Four-burner cooktop
- Full-size refrigerator
- Oven
- Deep farmhouse-style sink
- Abundant overhead cabinets
- Solid-surface countertops
Designed for cooking full meals — not just camping snacks.
Sleeping for Up to 7
The 320G offers multiple sleeping zones:
- Queen master bedroom
- Bunk sleeping area
- Convertible garage seating
- Optional Happi-Jack system in many configurations
Perfect for families or groups who travel with gear AND need real sleeping space.
Built for Wyoming’s Weather
With Grand Design’s superior insulation and engineering, the 320G is ready for all-season Wyoming adventures:
- Tankless water heater
- Heated & enclosed underbelly
- Ducted A/C & furnace system
- Rugged G-Class chassis
- Off-grid capable features available
Why Buy from Sonny’s RVs?
Sonny’s RVs is Wyoming’s trusted dealership for Grand Design Momentum toy haulers, offering:
- Transparent, no-pressure pricing
- Expert Grand Design product knowledge
- Full-service parts & repair department
- Strong financing options
- A family-owned buying experience
Visit Sonny’s RVs – Casper, WY
Visit Sonny’s RVs in Casper to explore the 2026 Momentum G-Class 320G in person. We proudly serve Wyoming RV shoppers from Casper, Douglas, Glenrock, Wheatland, Riverton, Gillette, Sheridan, and surrounding areas.
Final Wrap-Up
The 2026 Grand Design Momentum G-Class 320G brings together rugged adventure capability and true Grand Design luxury, making it one of the most versatile toy haulers on the market. Whether you’re hauling bikes into the mountains, exploring Wyoming’s open desert, or settling in for an extended stay, the 320G delivers the comfort, technology, and durability today’s traveler's demand. Visit Sonny’s RVs in Casper, Wyoming to experience the Momentum G-Class lineup in person and see why Wyoming RV shoppers trust us for premium toy haulers, exceptional service, and honest, family-owned care.
If you're ready to move forward, we make the process simple. Apply for RV financing through our dealership to get fast approvals and competitive rates tailored to your budget. Have an RV, trailer, or toy hauler you're upgrading from? You can easily value your trade-in to save even more on your new purchase.
Sonny’s RVs proudly serves Casper, Douglas, Glenrock, Riverton, Wheatland, Gillette, Sheridan, and all surrounding Wyoming communities — your next adventure starts here.
