2026 Grand Design Momentum G-Class 31G

Grand Design Momentum G-Class 31G Travel Trailer: Towable RV for Family Adventures

The 2026 Grand Design Momentum G-Class 31G is a premium towable RV designed to elevate longer trips and weekend getaways. As a new travel trailer in the Momentum line, it combines rugged engineering with upscale comfort, making it ideal for families or groups seeking a reliable recreational vehicle for the road. Its 2-axle bumper-pull design delivers stable handling while offering generous interior space through two expanding slideouts. With a compact exterior footprint and a thoughtfully appointed interior, this model balances ease of towing with home-like amenities.

Dimensions, Capacity, and Layout

Key exterior dimensions and capacity for this Momentum G-Class include a length of 35 feet 11 inches, a width of 8 feet 5 inches, and a height of 12 feet 4 inches. The unit provides a robust freshwater capacity of 90 gallons, with 37 gallons of grey water and 76 gallons of black water capacity to support extended trips. It sleeps up to 6 people and features two slideouts to maximize interior living space when parked. The travel trailer has a GVWR of 13,000 pounds and is equipped with two axles for stable towing. Floor plan type is 31G, offering efficient use of space for living and dining areas, kitchen, bathroom, and a cozy queen bed setup.

Standard Equipment and Safety Features

• Furnace, air conditioning (2 units), and a 2-zone climate setup for year-round comfort
• Fully equipped kitchen: microwave, oven, stove, and refrigerator for convenient meal preparation
• Water heater for on-demand hot water during outdoor adventures
• Essential safety and monitoring: CO detector, LP detector, smoke detector, and fire extinguisher
• Antenna TV setup for on-the-road entertainment
• Power leveling jacks and a power awning for quick setup and outdoor living
• Queen bed with dedicated sleeping area and a practical shower in the bathroom
• Two slideouts to create a more spacious living area when parked

Why Choose the Momentum G-Class 31G

As a travel trailer in Grand Design’s Momentum G-Class lineup, this model delivers durable construction, modern comforts, and flexible floor plan options designed to enhance camping experiences. Its towability as a bumper-pull RV makes it accessible to a wide range of tow vehicles, while the thoughtful interior layout ensures everyone enjoys meals, relaxation, and restful nights. For families or groups seeking a dependable, well-appointed recreational vehicle, the Momentum G-Class 31G stands out as a compelling choice.

Stock Number: 15737 • Status: New • VIN: 573TM3628TBB05241. To learn more about purchasing or viewing this unit, contact your dealer today.