New 2026 Grand Design Momentum G-Class 21G
*Photo may not match RV in inventory. RV and photos coming soon. Call for Details.
Discover the 2026 Grand Design Momentum G-Class 21G, where adventure meets luxury in a compact, versatile package. This toy hauler is designed for those who crave excitement and comfort on the road. With a spacious 14-foot garage, you can bring along your favorite toys and still enjoy an elegant living space. The center kitchen, equipped with a three-burner cooktop and mid-size refrigerator, makes meal prep a breeze, while the cozy seating area is perfect for unwinding after a day of adventure.
The front bedroom features a plush queen bed, promising restful nights under the stars. The convertible sleeping options ensure ample space for up to six guests, making it ideal for family getaways or trips with friends. The 19-foot powered retractable awning extends your living area outdoors, providing shade and shelter as you relax and take in the views. With generous fresh, gray, and black water capacities, your off-grid adventures can last longer, allowing you to explore without limits.
For more details and to experience the Momentum G-Class 21G for yourself, visit your nearest General RV dealership. Your next adventure awaits!
Specifications
RV Details
- Sleeps6
- Slides1
- Length26 ft. 11 in.
- Width8 ft. 5 in.
- Height12 ft. 4 in.
- Dry Weight6400 lbs.
- Hitch Weight920 lbs.
- GVWR11000 lbs.
Tanks & HVAC
- Fresh Water1 Tank(s) | 90 gal.
- Black Water1 Tank(s) | 39 gal.
- Gray Water1 Tank(s) | 74 gal.
- Propane2 Tank(s) |
- HeatAutomatic
Appliances
- Awnings1 | 19 ft. Powered Retractable Awning
- BedsFull Size (x1), Queen (x1), Convertible (x1)
- ShowerCurtain
- RefrigeratorMid-Size
- Cooktops | Microwave3 | No
- Washer/Dryer PreppedNo
- Axles | Tire Size235/80R16
All Amenities
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.