New 2026 Grand Design Momentum G-Class 320G Toy Hauler Fifth Wheel

LIFETIME WARRANTY/ PRIORITY RV NETWORK
Virtual Tour Finance Incentive Applied Freight Included
2026 320G Features and Options

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.

Options:
  • G-CLASS LUXURY INTERIOR PKG
  • G-CLASS EXTERIOR PGK
  • G-CLASS GARAGE/CARGO PKG
  • G-CLASS INSULATION PKG
  • G-CLASS UNDER UNIT LED LIGHT KIT
  • BEDROOM A/C
  • 3RD A/C PREP
  • 15 CU FT 12V REFRIGERATOT
  • OmniConnect-SATELLITE
  • CELL AND WIFI PREP
  • UPGRADED H-RATED TIRES W/17.5 WHEELS (TANDEM AXLE)
  • SAFE RIDE RV ROADSIDE ASSIT.
  • RVIA SEAL
  • ROCKFORD FOSTGAE STAGE 1 STEREO
  • 6K WATT GENERATOR
  • GEN III 3 SEASON DOOR W/ SLIDING WINDOW
  • 3RD A/C
  • MOMENTUM GARAGE SUITE FEATURING P2K BED LIFT
  • REAR ALUMINUM DECK SYSTEM W/ REAR POWER AWNING
  • SOLAR½ PACKAGE (ONE(1) ADDITIONAL 330W PANEL & 2000W INVERTER
  • 2ND AWNING
  • 8K AXLE W/ABS DRUM BRAKES (DOUBLE AXLE)
  • WINTERIZATION
  • CDL FEE
What Our Customers Are Saying

Absolutely amazing and so kind!

Absolutely amazing and so kind! We have a hybrid travel trailer and we were getting tossed around traveling from the Denver area to Miles City Mt. During the trip we had a mishap with an hidden and illplaced clearance bar that resulted in roof damage and antenna damage. We called them from Douglas, Wy to see if they could at least install an anti-sway system. They were ready for us the minute we pulled - Lindsay
Price: $137,118
You Save: $23,223
Sale Price: $113,895
Brown's RV Superstore
Location: McBee, SC
Stock# B05081


2026 320G Specifications
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
Interior Color ARTISAN
Hitch Weight 2300 lbs
GVWR 16400 lbs
Dry Weight 13100 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' w/LED Accent Lighting
Axle Count 2
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Walk-In Shower
Electrical Service 50 amp
VIN 573FM3829TBB05081
For more information Contact Us
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