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Floorplan - 2017 Grand Design Momentum M-Class 388M
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- SALE PRICE: $49,995
- List: $54,995
- You Save: $5,000
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42ft long
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14,300 lbs
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Sleeps 8
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3 slides
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Bath and a HalfLoft
388M Floorplan
Specifications
| Sleeps | 8 | Slides | 3 |
| Length | 41 ft 9 in | Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 5 in | Hitch Weight | 2800 lbs |
| GVWR | 18500 lbs | Dry Weight | 14300 lbs |
| Fresh Water Capacity | 117 gals | Grey Water Capacity | 78 gals |
| Black Water Capacity | 78 gals | Tire Size | 16" |
| Furnace BTU | 40000 btu | Fuel Capacity | 60 gals |
| Number Of Bunks | 1 | Available Beds | Queen |
| Refrigerator Type | 4 Door | Refrigerator Size | 18 cu ft |
| Convection Cooking | Yes | Cooktop Burners | 3 |
| Number of Awnings | 2 | Axle Weight | 7000 lbs |
| Garage Size | 14 ft | LP Tank Capacity | 30 |
| Water Heater Capacity | 12 gal | Water Heater Type | Gas/Electric |
| AC BTU | 30000 btu | TV Info | LR LED, Cargo TV |
| Awning Info | 18' & 10' Power | Axle Count | 3 |
| Number of LP Tanks | 2 | Shower Type | Shower w/Seat |
| Electrical Service | 50 amp | VIN | 573FM4635J1205311 |
Description
Hit the road with confidence and adventure in this used 2018 Grand Design Momentum 388M, a rugged and well-appointed toy hauler that perfectly blends garage capability with residential comfort. Designed for adventurers who want to haul ATVs, dirt bikes, or outdoor gear without giving up a premium living experience, this fifth wheel delivers space, versatility, and refined styling.
Ultimate Garage & Toy Hauling Space
- Spacious rear garage with reinforced flooring and tie-downs
- 12-foot garage area easily accommodates larger bikes and gear
- Ramp door with spring-assist for simple loading and unloading
- Loft or upper bunk space adds sleeping flexibility
Comfortable Living & Entertaining
- Open-concept living area with slide-outs for maximum space
- Theater seating and sofa options for lounging after a day of adventure
- Large entertainment center with TV and storage
- Oversized windows for natural light and scenic views
Well-Equipped Kitchen
- Full-size residential refrigerator and freezer
- Four-burner cooktop with oven and microwave
- Solid surface countertops with plenty of prep space
- Ample cabinets and pantry storage
Private Bedroom Retreat
- Front master bedroom with queen or king bed depending on layout
- Wardrobe closets and dresser space for storage
- Optional TV hookup for extra comfort
Full Bathroom Convenience
- Spacious shower with skylight for added height and brightness
- Vanity with sink and storage
- Porcelain toilet and linen closet
Why Choose This 2018 Momentum 388M
This Grand Design Momentum 388M shines with its versatile garage space, premium amenities, and thoughtful residential design. It’s ideal for riders, outdoor enthusiasts, and families who want to tow toys without sacrificing comfort or quality living space.
Why Buy from Lazydays RV powered by Campers Inn
Choosing the right RV is only half the journey. Choosing the right dealership makes all the difference. When you purchase from Campers Inn RV, you gain:
A Legacy of Trust
Extensive Inventory and Competitive Pricing
Certified Service and Support
Parts and Accessories
A Long-Term Camping Partner
Features
Standard Features (2018)
Standard Build Packages
Exterior Package - Mandatory
- Satellite TV Prep (All TV Locations)
- Aluminum Quad Entry Steps - Garage Entry (N/A 376TH)
- 7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
- 16” Aluminum Wheels (120PSI Rated)
- West Lake® E-Rated Tires w/NitroFill™
- Slam-Latch Baggage Doors
- Frameless Tinted Windows
- Aluminum Quad Entry Steps - Main Entry
- 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 (Single Tank 328M and 376TH)
- Partial Paint Gel Coat Fiberglass Front Cap (M-Class only)
- Full Paint Gel Coat Fiberglass Front Cap (376TH, 397TH, 399TH only)
- Solid Step Quad Entry Step - Main Entry
Interior Package - Mandatory
- 49" Class LED TV in Living Area
- Stereo Entertainment System w/Bluetooth and App Based Controls in Living Area
- Washer/Dryer Prep
- 12 Gallon Gas/Electric 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 (N/A 376TH)
Garage Package - Mandatory
- 32" Class LED TV in Garage (397TH and 399TH only)
- Protective Diamond Plate on Garage Sidewalls
- 2,500 lb. Rated Flush-Mount Tie-Downs
- Ram-Air Garage Vents Both Sides (N/A 376TH)
- Tuff-Ply Gas and Oil Resistant Garage Flooring
- Fast Ramp Rear Ramp Door (N/A 376TH)
- Triple Insulated Garage Floor (N/A 376TH)
Weather-Tek Package - Mandatory
- R-Value Equivalent (R-40 Roof / R-45 Floor / R-11 Sidewalls / R-40 Garage Floor / R-24 Slideroom 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
Exterior
- Under Mount 16” Spare Tire
- 6-Point Hydraulic Leveling System
- Trailair® Roto-Flex™ Pin Box (Momentum only)
- Keyed Alike™ Ramp Door Latches
- 2nd Power Patio Awning w/ LED Lights
- 3rd Power Awning w/ LED Lights (Main Slide - 394M, 395M and 397TH) - Mandatory
- Front and Back Under Unit Blue LED Light Kit - Mandatory
- High-Gloss Gel Coat Exterior Sidewalls
- Full Paint Gel Coat Fiberglass Front Cap (Momentum only)
- Door Side Exterior Spray Port
Construction
- Drop Frame Chassis (12" over 10") (Momentum only)
- Straight Frame Chassis (12") (M-Class only)
- Trailair® Equa-flex® Suspension
Interior
- Interior Color Changing LED Accent Lighting
- Raised Panel Hardwood Cabinet Doors w/Hidden Hinges
- Sofa w/Headrest & Removable Swivel Tables (Includes Heat, Massage & LED Lighting Package)
- Wall Mounted "No-Pedestal" Table w/4 Chairs (Std 394M, 395M only, Momentum Only)
- Central Vacuum System w/ Tools and Dust Pan
Kitchen
- Convection Microwave (Momentum only)
- 18 Cu. Ft. Refrigerator
- 30" Stainless Steel Microwave w/ Ext. Vent (M-Class only)
- Residential Kitchen Faucet
- Window Behind Range (328M, 349M, 351M, 354M, 381M, 398M, 397TH, 399TH)
- Kitchen Barstools w/ Extended Countertops (349M, 351M, 381M, 398M, 397TH, 399TH only)
Bedroom
- Residential Style Headboard
- Under Bed Storage Area (N/A 376TH)
- Individually Switched Reading Lights Over Bed
- Bedside 110-Volt Outlets
- 60" X 80" Queen Memory Foam Mattress (Momentum only)
- 60" X 80" Queen Pillow Top Bed Mattress (M-Class only)
Bathroom
- One-Piece Fiberglass Shower w/Glass Door
- Skylight Above Shower
- Porcelain Toilet
- Medicine Cabinet w/Mirrored Door
Audio & Video
- No-Crank Digital TV Antenna w/Booster
- Satellite/Solar Roof Access Channel
- 32" Class LED TV in Bedroom (Momentum only)
- TV Prep in Garage (N/A 376TH)
- Exterior Entertainment Center w/LED TV & DVD (Momentum only- mandatory)
HVAC & Plumbing
- 12v High Power Fan (Kitchen) (Momentum - std.; M-Class - mandatory)
- 12v High Power Fan - Master Bath (Momentum only - std.)
- 12V Tank Heaters (All Tanks)
- 35k BTU High Capacity Furnace
- Fireplace w/ 5,000 BTU Electric Heater
- 15k BTU A/C - Middle/Main
- 2nd 15k BTU A/C - Bedroom (mandatory)
- 3rd 13.5k BTU A/C (Includes Energy Mgmt. System & 3-Zone Thermostat) (Momentum only - std.)
Garage
- Rear Cargo Loading & Backup LED Lights
Utilities
- OneControl™ 7" Touchscreen Control Panel w/App Controls and Redundant Slide Switches
- Generator Prep
Options
Exterior
- Dual Pane Window Upgrade
- Back-Up Camera (Camera Prep Standard)
- Slide-Out Awning Toppers
- Full Body Paint
Interior
- Super Sofa Upgrade - IPO Theatre Seats & Dinette (394M, 395M, 397TH, 399TH only)
- 2 Person Dinette and Sofa Recliners - IPO 4 Seat Sofa (N/A Momentum, 394M, 395M)
Kitchen
- Convection Microwave (M-Class option)
Bedroom
- King Bed Upgrade (NA 376TH)
Audio & Video
- Rockford Fosgate Speaker Package w/12" Sub and 300W Amp
- Exterior Entertainment Center w/LED TV & DVD (M-Class option)
HVAC & Plumbing
- 12v High Power Fan - Garage (N/A Momentum or with 3rd AC Option)
- 3rd 13.5k BTU A/C (Includes Energy Mgmt. System & 3-Zone Thermostat) (M-Class)
- Heat Pump A/C - Living Area (Momentum only)
Garage
- Quick Set Ramp Door Patio System w/ Steps and Power Awning Included (N/A 376TH)
- 3-Season Garage Wall (NA w/ Pull Down Garage Screen Wall) (N/A 376TH)
- Happi-Jac Electric Bunk System w/Folding Sofas (N/A 376TH)
Utilities
- Onan 5.5KW Gasoline Generator
See us for a complete list of features and available options!
All standard features and specifications are subject to change.
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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.



