New 2026 Grand Design Momentum M Class 344M
$112,999
$756/mo.ⓘ
MSRP: $163,667
Grand Design Momentum M-Class 344M highlights:
- 11' Toy Hauler Garage
- Happi-Jac Rollover Sofas
- Hybrid Desk/Dinette
- Dual Power Awnings
- Washer and Dryer
The Grand Design Momentum M-Class 344M is a luxury fifth wheel toy hauler designed for travelers who want comfort, versatility, and premium functionality on every adventure. Sleeping up to 7, this spacious floorplan features a private front bedroom with a queen bed, optional king bed, wardrobe storage, and the convenience of an onboard washer and dryer for extended trips.
The center living area offers a comfortable place to relax or entertain, while the versatile hybrid desk and dinette setup creates the perfect space for dining, working remotely, or planning your next adventure. In the kitchen, you’ll find a residential-style layout complete with a three-burner cooktop, full-size refrigerator, microwave, and generous counterspace for easy meal preparation. In the rear, the 11' garage provides flexible storage for your favorite toys while also featuring Happi-Jac rollover sofas for additional seating and sleeping space. Outside, dual powered awnings expand your outdoor living area, creating the perfect setup for relaxing at the campground. With massive holding tank capacities and premium residential features throughout, the Momentum 344M is built for comfortable extended travel both on and off the grid.
Specifications
RV Details
- Sleeps7
- Slides3
- Length39 ft. 11 in.
- Width8 ft. 5 in.
- Height13 ft. 6 in.
- Dry Weight15138 lbs.
- Hitch Weight3734 lbs.
- GVWR18000 lbs.
- VIN573FM4224TBB04368
Tanks & HVAC
- Fresh Water1 Tank(s) | 140 gal.
- Black Water1 Tank(s) | 52 gal.
- Gray Water1 Tank(s) | 104 gal.
- Propane2 Tank(s) |
- HeatAutomatic
- Electrical75 amps
- GeneratorNPS 6000
Appliances
- Awnings2 | 28 ft. Powered Retractable Awning
- BedsQueen (x1), King (x1), Convertible (x1)
- Bunks1
- ShowerPlastic / Glass
- RefrigeratorFull-Size
- Cooktops | Microwave3 | Yes
- Washer/Dryer PreppedYes
- Axles | Tire Size215/75R17.5
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. $439 monthly payment based on purchase price of $69,995 with 20% down, at 6.49% APR for 240 months. For select models only. Rate and payments are subject to change at any time. Conditions apply. See dealer for details.