2026 Grand Design Momentum G-Class FW 320G

Take Your Family Adventures to the Next Level with the Grand Design RV Momentum G-Class Fifth Wheel

The Momentum G-Class fifth wheel from Grand Design is a perfect choice for those who want to take their outdoor adventures to the next level. Boasting superior construction, this fifth wheel is built to last with fully laminated sideboxes and an R-40 garage floor, making it durable and reliable for all types of terrain and weather conditions. The Momentum G-Class offers spacious and functional floorplans that are perfect for families who enjoy power sports and outdoor experiences. Quality craftsmanship is evident throughout, making the Momentum G-Class a luxury toy hauler that doesn't compromise on functionality.

But it's not just the construction and features that make the Momentum G-Class stand out. Grand Design offers the industry's best warranty, ensuring that customers can travel with confidence knowing that they have the support of a company that stands behind their product. And with industry-leading customer support, Grand Design is always available to assist customers with any questions or concerns they may have. Plus, as part of the vibrant and growing community of Grand Design owners, customers can connect with like-minded individuals who share a passion for outdoor adventure. With the Momentum G-Class fifth wheel from Grand Design, the possibilities are endless.

Gone. Easy.

The all new Momentum G-Class is lighter without sacrificing any comfort or spaciousness — thanks to our tall ceilings and slide outs. With all of the quality, innovation, and functionality that our family of Momentum owners love, it's everything you need and nothing you don’t.

Features May Include:

EXTERIOR

• Black Tank Flush
• Full Sized Spare Tire & Carrier
• 80% Tint Radius Safety Glass Windows
• 30lb LP Bottles (2)
• Radius Entry Door
• High-Capacity Water Pump
• Extra Large 1 1/2" Fresh Water Drain Valve
• Battery Disconnect Switch
• Folding Roof Ladder
• Gel Coated Fiberglass Exterior
• Easy Access Low Point Drain Valves
• Insulated Storage Doors
• Large Panoramic Windows
• Magnetic Storage and Entry Door Latches
• Awning w/LED Accent Lighting
• Under Unit Accent Lighting
• Gen III 3 Seasons Doors (Opt)

CONSTRUCTION

• Oversized Tank Capacities
• One-Piece TPO Roof Membrane w/ Limited Lifetime Warranty
• Laminated Aluminum Framed Rear Ramp Door (R-7)
• Laminated Aluminum Framed Side Walls (R-11)
• Laminated Aluminum Framed Roof and End Walls in Slide Rooms (R-7)
• 1" Marine Grade OSB Floor (R-30*)
• 5" Radius Wood Framed Roof (R-40*)

ELECTRICAL

• Back-Up Camera Prep
• Exterior Cable/Satellite Plug In
• LED Smart TV in Living Area
• Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
• Exterior Speakers
• No-Crank Digital TV Antenna w/Booster
• TV Prep in Garage

INTERIOR

• Under Counter Accent Lighting
• Above Cabinet Accent Lighting
• Solid Hardwood Drawer Fronts
• Solid Core Cabinet Stiles
• Pre-Drilled and Screwed Cabinetry
• Ball Bearing Full Extension Drawer Glides
• Night Shades (All Windows)
• Upgraded Residential Furniture
• Residential Countertops
• Plywood Drawer Bottoms

KITCHEN

• Microwave
• Residential Kitchen Faucet
• Stainless Steel Accented 3-Burner Range with Oven
• Glass Range Cover (Flush w/Counter Top)
• 12-Volt High Power MaxxAir Fan with Rain Sensor

BEDROOM

• Night Stands
• Bedside Outlets
• USB Chargers
• Solid Bedroom Door
• Residential Bedspread
• TV and Cable Prep

BATHROOM

• Residential Walk-In Shower
• Skylight Over Shower
• Power Vent Fan
• Medicine Cabinet with Mirror

PLUMBING

• Sewer Hose Storage Area
• All-In-One Enclosed and Heated Utility Center

APPLIANCE

• Fireplace with Electric Heater
• Stainless Steel Refrigerator
• Microwave

ELECTRONICS

• Back-Up Camera Prep
• Exterior Cable/Satellite Plug In
• LED Smart TV in Living Area
• Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
• Exterior Speakers
• No-Crank Digital TV Antenna w/Booster
• TV Prep in Garage

HVAC

• 12v High Power Fan (Kitchen)
• 35K BTU High Capacity Furnace
• Fireplace w/5000 BTU Electric Heater
• Main A/C with Race Track Ducting
• Attic Vent
• High-Capacity Heat Ducts