New 2026 Grand Design Momentum 392M
$129,999
$870/mo.ⓘ
MSRP: $192,238
Grand Design Momentum 392M highlights
- 17' Separate Garage
- L-Shaped Reclining Sofa
- Overhead Loft Bed
- Ramp Door Patio
- Front Master Bedroom
The Grand Design Momentum 392M is a luxury fifth wheel toy hauler built for outdoor enthusiasts who want premium comfort alongside serious hauling capability. The 17' separate garage provides ample space for your toys and features an adjustable tie-down system, overhead loft bed, washer/dryer prep, and an optional half bath for added convenience. In the main living area, dual opposing slide-outs create an open and inviting space with an L-shaped reclining sofa, theater seating, and a hybrid desk/dinette, all positioned around the entertainment center with a fireplace. The center kitchen is designed for extended stays, offering a large countertop, 20 cu. ft. refrigerator, pantry, and full appliance package for easy meal prep while on the road.
Up front, the private master bedroom includes a queen bed slide-out with the option to upgrade to a king, along with ample wardrobe and drawer storage. The full bathroom features a spacious shower with a built-in seat and dual sliding doors for easy access. Built for year-round travel, the Momentum lineup includes a heated and enclosed underbelly, insulated garage floor, and heavy-duty aluminum cage construction. With premium features like MORryde suspension, solid-surface countertops, central vacuum system, and a rear ramp that converts to a patio, the 392M delivers the perfect combination of rugged capability and residential luxury.
Specifications
RV Details
- Sleeps8
- Slides3
- Length45 ft. 11 in.
- Width8 ft. 5 in.
- Height13 ft. 6 in.
- Int. Height8 ft. 5 in.
- Dry Weight18062 lbs.
- Hitch Weight3650 lbs.
- GVWR23500 lbs.
- VIN573FM4834TBB05682
Tanks & HVAC
- Fresh Water140 gal.
- Black Water52 gal.
- Gray Water104 gal.
- Propane2 Tank(s) | 60 gal.
- ACautomatic 45000 BTU
- Heat35000 BTU
- Water Heatertankless
- GeneratorNPS 6000
Appliances
- Awnings2 | 16' and 18' Power with LED Lights
- BedsQueen
- Showershower_with_seat 48" x 30" in.
- Refrigeratorfullsize
- Cooktops | Microwave3 | No
- Washer/Dryer PreppedNo
- TVsLED TV; LR 49", Garage 32"
- Axles | Tire SizeST215/75R17.5 LRH
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.