+34 
- SALE PRICE: $154,995
- MSRP: $212,782
- You Save: $57,787
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46ft long
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18,114 lbs
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Sleeps 8
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3 slides
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Bath and a HalfLoft
392M Floorplan
Specifications
| Sleeps | 8 | Slides | 3 |
| Length | 45 ft 11 in | Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 6 in | Int Height | 8 ft 5 in |
| Interior Color | ARTISAN | Hitch Weight | 3650 lbs |
| GVWR | 23500 lbs | Dry Weight | 18114 lbs |
| Fresh Water Capacity | 140 gals | Grey Water Capacity | 104 gals |
| Black Water Capacity | 52 gals | Tire Size | ST215/75R17.5 LRH |
| Furnace BTU | 35000 btu | Fuel Capacity | 60 gals |
| Number Of Bunks | 2 | Available Beds | Queen |
| Refrigerator Type | Stainless Steel | Refrigerator Size | 20 cu ft |
| Cooktop Burners | 3 | Shower Size | 48" x 30" |
| Number of Awnings | 2 | Axle Weight | 7000 lbs |
| Garage Size | 17 ft | LP Tank Capacity | 30 lbs |
| Water Heater Type | Tankless | AC BTU | 45000 btu |
| TV Info | LED TV; LR 49", Garage 32" | Awning Info | 16' and 18' Power with LED Lights |
| Axle Count | 3 | Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 | Shower Type | Shower w/Seat |
| Electrical Service | 50 amp | VIN | 573FM4834TBB05021 |
Description
The New 2026 Grand Design Momentum 392M is a luxury toy hauler fifth wheel built for buyers who want serious cargo capacity without giving up upscale residential comfort. At 45 feet 11 inches long with three slide-outs and sleeping for up to 9, the 392M delivers the kind of space, flexibility, and premium design that makes it ideal for both adventure-focused travel and extended stays. Grand Design lists this floorplan with a 3,650-pound hitch weight, 18,114-pound UVW, and 23,500-pound GVWR, underscoring its heavy-duty capability and premium toy hauler construction.
One of the biggest highlights of the 392M is its 17-foot garage, giving owners ample room for motorcycles, side-by-sides, golf carts, or other gear while still maintaining a highly livable interior. Dealer listings for the 2026 model also highlight sought-after features like an L-shaped sofa with recline, queen bed, overhead loft bed, bath and a half, and a ramp door patio, making this coach especially attractive for families, groups, or buyers who want toy hauler versatility with luxury fifth wheel comfort.
Beyond the garage, the Momentum 392M is designed to feel premium and travel-ready. Published specs for current 2026 units show 140 gallons of fresh water, 104 gallons of gray water capacity, 52 gallons of black water capacity, 45,000 BTU of A/C, a 35,000 BTU furnace, tankless water heater, and an NPS 6000 generator, all of which support longer trips and a more self-contained camping experience. The Momentum brochure also emphasizes the line’s upscale positioning as a high-end toy hauler built for buyers who want to bring their gear while still enjoying luxury on the road.
For shoppers looking for a high-capacity toy hauler with luxury living space, strong sleeping capacity, and a garage built for real adventure, the New 2026 Grand Design Momentum 392M stands out as an impressive choice.
Why buy from Lazydays RV powered by Campers Inn?
- Wide selection of new and pre-owned RVs in one convenient location
- Knowledgeable RV professionals to help match you with the right coach
- Financing options to help make ownership more accessible
- Trade-in assistance to simplify the buying process
- A trusted dealership experience backed by recognized names in the RV industry
Features
Standard Features (2026)
Exterior
- Keyed Alike™ Ramp Door Latches
- 2nd Patio Awning w/ LED Lights
- 3rd Awning w/ LED Lights
- Exterior Color Changing LED Accent Lighting
- High-Gloss Gel Coat Exterior Sidewalls
- Door Side Exterior Spray Port
- Frameless Tinted Windows
- Walk-On Roof
- 17.5" Spare Tire (Undermount)
- MORryde Strut Assist Entry Step
- Slam-Latch Baggage Doors
- Mo Secure
- Gen III 3 Seasons Doors (Opt)
Construction
- 101" Wide Body Construction
- 5-Side Aluminum Cage Construction
- Fully Enclosed and Heated, Underbelly and Storage Area
Running Gear
- Upgraded Axle Hangers
- Heavy Duty H-Rated Tires
- Heavy Duty 7,000 lb. Axles with ABS Brakes
- 17.5" H-Rated Aluminum Wheels
- MORryde® Independent Suspension 2.0
Frame & Chassis
- 6-Point Hydraulic Leveling System
- MORryde® Pin Box
- 101" Wide Body Super Chassis w/Drop-Frame Storage
Interior
- Interior Color Changing LED Accent Lighting
- Hardwood Cabinet Doors w/Hidden Hinges
- Recliner Sofa w/Adjustable Headrest or Flip Down Cupholders
- Central Vacuum System w/ Tools and Dust Pan
- Plywood Drawer Bottoms
Kitchen
- Microwave
- Professional Grade Stainless Steel Cooktop
- 12-Volt High Power MaxxAir w/Rain Sensor
- Window Behind Range
- Kitchen Barstools w/ Extended Countertops
- Smart Sink w/Removable Cutting Board, Produce Strainer and Glass Rinser
Electrical
- Solar Prep (10-gauge wiring with universal MC4 connectors)
- 75 Amp Converter
- 12V Battery Disconnect
HVAC
- 12V High Power Fan (Kitchen)
- 35k BTU High-Capacity Furnace
- Fireplace w/ 5,000 BTU Electric Heater
- StealthAC Smart AC System
- Attic Vent
- High-Capacity Heat Ducts
Plumbing
- Exterior Spray Port (Door Side)
- 12V Tank Heaters
- Sewer Hose Storage Area
- Whole House Water Filtration System
- All-In-One Enclosed and Heated Utility Center
Bedroom
- Under Bed Storage Area
- Individually Switched Reading Lights Over Bed
- Bedside 110-Volt & USB Outlets
- Window Above Master Bed Headboard
- 60" X 80" Queen Bed Pillow Top Bed Mattress
Bathroom
- Skylight Above Shower
- Porcelain Toilet
- Medicine Cabinet w/Mirrored Door (N/A 410TH)
- Undermount Lav Sink
- One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat
Appliance
- Fireplace with Electric Heater
- Stainless Steel 20 Cu. Ft. Refrigerator
- 30" Over-The-Range Microwave
Electronics
- OneControl™ System
- Back-Up Camera Prep
- Exterior Cable/SAT Plug-In
- LED Smart TV in Living Area
- LED TV in Bedroom
- Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
- Exterior Speakers
- No-Crank Digital TV Antenna w/Booster
- LED TV in Garage
- OmniConnect On-Board WiFi Ready
Packages
Exterior Package
- Satellite TV Prep
- MORryde Strut Assist Entry Step
- Aluminum Quad Entry Steps - Garage Entry
- 7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
- 17” Aluminum Wheels (120PSI Rated)
- Cooper Tires® 17.5" All-Steel H-Rated Tires
- Slam-Latch Baggage Doors
- Frameless Tinted Windows
- Exterior Security Lights
- Power Patio Awning w/LED Lighting
- Folding Roof Ladder
- White Gel Coat Fiberglass Front Cap
- 12V Battery Disconnect
- All-In-One Exterior Utility Center
- 50 Amp Service
- Converter
- Enclosed Fuel Station w/ Dual Fuel Tank
- Partial Paint Gel Coat Fiberglass Front Cap
Luxury Interior Package
- 49" Class LED TV in Living Area
- Stereo Entertainment System w/Bluetooth and App Based Controls in Living Area
- Washer/Dryer Prep
- On Demand Water Heater
- Roller Shade Window Coverings (Main Living Area and Bedroom)
- Recessed LED Puck Lighting
- Solid Surface Countertops w/ Sink Covers
- Stainless Steel Undermount Kitchen Sink
- Chef Inspired Range & Oven w/ Cover
- Kitchen Pantry w/ LED Light Strip
- Garage Control Panel
Garage package
- 32" Class LED TV in Garage
- Protective Diamond Plate on Garage Sidewalls
- 2,500 lb Rated Flush-Mount Tie-Downs
- Ram-Air Garage Vents on Both Sides
- Tuff-Ply Gas and Oil Resistant Garage Flooring
- FastRamp™ Rear Ramp Door
- Triple Insulated Garage Floor
Weather-Tek Package
- R-Value Equivalent (R-40 Roof / R-45 Floor / R-11 Sidewalls / R-40 Garage Floor / R-24 Slide room Floor)
- Fully Enclosed and Heated, Underbelly and Storage Area
- Enclosed and Heated Low Point Drains
- Engineered Underbelly Airflow Heat Paths
- Stealth AC System w/ Insulated A/C Ducts
- Attic Vent
- Plumbing Line Insulation Barrier
See us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
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*All calculated monthly payments are an estimate for qualified buyers only and do not constitute a commitment that financing or a specific interest rate or term is available. Financing terms may not be available in all Campers Inn locations. Campers Inn RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual inventory in stock on our lot. Please contact us for availability as our inventory changes rapidly.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.