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New 2026 Grand Design Momentum G-Class 320G

Toy Hauler Fifth Wheel|South Weber, UT| Stock# 346137

$99,995

$669/mo.*

MSRP: $138,226

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Grand Design Momentum G-Class toy hauler 320G highlights:

11' Separate Garage Bath and a Half Fireplace Private Bedroom

Are you looking forward to arriving at your destination, unloading your toys from an 11' separate garage, and heading out to the dunes? You can return to this Momentum G-Class toy hauler afterwards to find the convenience of having a full and half bath, two entry doors, and a loft bed. The rear ramp door can even be converted into a patio, plus there are exterior speakers to keep the party going! You will also appreciate the separate living area with a fireplace, theater seating slide, and full kitchen amenities. The front bedroom offers an escape to rest and relax for the next ride. Take a look outside and inside because you will be sold!

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a high capacity water pump, a dovetail rear end, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

Specifications

RV Details

  • Sleeps5
  • Slides3
  • Length36 ft. 3 in.
  • Width8 ft. 5 in.
  • Height13 ft. 5 in.
  • Int. Height8 ft. 7 in.
  • Dry Weight12774 lbs.
  • Hitch Weight2300 lbs.
  • GVWR16400 lbs.
  • VIN573FM3823TBB04962

Tanks & HVAC

  • Fresh Water1 Tank(s) | 110 gal.
  • Black Water1 Tank(s) | 104 gal.
  • Gray Water1 Tank(s) | 52 gal.
  • Propane2 Tank(s) | 60 gal.
  • AC30000 BTU
  • Heat35000 BTU
  • Water Heatertankless
  • Electrical50 amps
  • GeneratorNPS6000

Appliances

  • Awnings1 | 18' w/LED Accent Lighting
  • BedsQueen
  • Bunks1
  • Showerwalk_in_shower 48" x 30" in.
  • RefrigeratorFull-Size
  • Cooktops | Microwave4 | Yes
  • Washer/Dryer PreppedYes
  • TVsLR 40" LED Smart TV
  • Axles | Tire Size17.5 H-Rated Tires

All Amenities

Queen and King beds
Convertible bed
Bunk beds
Convection cooking
4-burner cooktop
Washer/dryer
Center kitchen
Center living area
Center bath
Front bedroom
18 ft. powered retractable awning
Theater seating
Full-size electric refrigerator
Microwave
Shower with curtain
TV prep
Universal docking station
Aluminum entry steps
Unobstructed pass-through storage
Spray port
Happi-Jac rollover sofas and table/bed (optional)

Can you tow this RV?

Understanding your vehicle's towing capacity rating is critical to choosing the right RV for you and your family. Towing your next RV safely down the road will depend on having the right tow vehicle and RV combination. Use our handy towing guide below to help find your vehicle's towing capacity and filter our RV inventory down to RVs you can tow. View Tow Guide >

Attention: Your vehicle's max towing capacity includes passenger weight, added accessories, any current liquids in tanks, and any cargo you've added such as food, clothes, chairs, grills, games, tools, etc.. For purposes of RVs I can Tow, we've allowed 1000 lbs for RVs over 8000 lbs, 750 lbs for RVs under 8000 lbs, and 500 lbs for RVs under 5000 lbs for average Cargo Weight. Always confirm your specific tow vehicles towing capacity directly from your vehicle's manufacturer before purchasing or towing an RV. You are responsible for the decision to operate your vehicle and any RV you may tow. If your specific vehicle is not listed, please contact us for assistance.

General RV works hard to ensure the accuracy of all its listings however we are not responsible for any misprints, typos, or errors found in our website pages. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. Please contact us at 888-436-7578 for availability as our inventory changes rapidly.

*All RV prices exclude tax, title, registration and fees, including documentary service fees. All payments are with approved credit through dealer lending source. Advertised monthly payment is based on 20% cash down, plus tax, title, registration and fees, at 7.99% APR for 96 months on finance amounts under $10K, at 7.99% APR for 144 months on finance amounts from $10K to $25K, at 7.99% APR for 180 months on finance amounts from $25K to $50K, and at 7.99% APR for 240 months on amounts over $50K. $79 monthly payment based on purchase price of $9,999 with 20% down at 8.24% APR for 218 months. $399 monthly payment based on purchase price of $69,995 with 25% down, at 6.99% APR for 240 months. For select models only. Rate and payments are subject to change at any time. Conditions apply. See dealer for details.