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New 2025 Grand Design Solitude 378MBS

Fifth Wheel

Stock #COATOGDS378MBS

Conway SC

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STOCK IMAGES SHOWN. OPTIONS AND COLORS MAY VARY.

1 of 24

+24

Sleeps 7
4 Slides
Bunkhouse

Rear Living Area

40ft Long
14,344 lbs
Dusk, Linen

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Specifications

Sleeps	7	Slides	4
Length	40 ft 2 in	Ext Width	8 ft 5 in
Ext Height	13 ft 5 in	Int Height	8 ft 1 in
Interior Color	Dusk, Linen	Exterior Color	Standard Graphics or Aurora, Midnight, Pearl Full-Body Paint Options
Hitch Weight	2686 lbs	GVWR	18000 lbs
Dry Weight	14344 lbs	Fresh Water Capacity	81 gals
Grey Water Capacity	106 gals	Black Water Capacity	53 gals
Tire Size	ST215/75R 17.5 LRH	Furnace BTU	35000 btu
Number Of Bunks	1	Available Beds	Queen
Refrigerator Type	12V	Refrigerator Size	20 cu ft
Cooktop Burners	4	Number of Awnings	2
Axle Weight	7000 lbs	LP Tank Capacity	30 lbs.
Water Heater Type	Tankless On Demand	AC BTU	30000 btu
TV Info	LR LED Smart TV, BR LED TV	Awning Info	20' and 11' Power w/Integrated LED Lighting
Axle Count	2	Washer/Dryer Available	Yes
Number of LP Tanks	2	Shower Type	Shower w/Seat
Electrical Service	50 amp

Description

RETAIL ORDER! NOT IN STOCK!

Grand Design Solitude fifth wheel 378MBS highlights:

Middle Bunkhouse/Office
Kitchen Island
Free Standing Dinette
Outside Beverage Cooler & Grill
Two Power Awnings

The middle bunkhouse in this fifth wheel includes a fold down bunk above a tri-fold sofa which offers seating for extra living space as well as sleeping space for a bedroom. There is also a desk to work from and a closet for clothing and supplies making this room multi-functional. The front master bedroom features a queen bed slide or you can choose the king option, an LED TV, and a large closet as well as a washer/dryer prep. The main combined living and kitchen area is spacious with dual opposing slides and offers theatre seating and a tri-fold sofa to relax on while watching the LED Smart TV allowing you to visit with the cook in the kitchen while preparing meals. This chef kitchen offers an island with prep space and a sink, a 24" residential oven, a 20 cu. ft. refrigerator, and an oversized pantry to store lots of dry goods and snacks. You will surely enjoy the two power awnings and the outside grill plus beverage cooler while relaxing outdoors.

Each Solitude fifth wheel by Grand Design features a 101" wide-body construction, heavy duty 7,000 lb. axles, frameless tinted windows, and high-gloss gel coat sidewalls. You can camp year around thanks to the Weather-Tek Package that includes a 35K BTU high-capacity furnace, an all-in-one enclosed and heated utility center, and a fully enclosed underbelly with heated tanks and storage. Inside, you'll love the premium roller shades, hardwood cabinet doors, solid surface countertops and sinks, plus residential finishes throughout to make you truly feel at home. Each model also includes a MORryde CRE3000 suspension system, self adjusting brakes, and a MORryde pin box that will provide smooth towing from home to campground. Affordable luxury is possible with the Solitude fifth wheels; choose yours today!

Call Us Today at 843-428-8080

Features

Standard Features (2025)

Exterior

Exterior Spray Port (Door Side)
Front Cap Windshield (380FL, 382WB)
Winegard Antenna
High-Gloss Gel Coat Exterior Sidewalls
Color Matched Fender Skirt
TPO Roof Covering w/ Limited Lifetime Warranty
Slam-Latch Baggage Doors
Magnetic Entry and Baggage Door Catches
Entry Door w/Privacy Glass
Frameless Tinted Windows
Painted Gel Coat Fiberglass Front Cap
Roof Ladder
17.5" Spare Tire (Undermount)
Power Patio Awning with Integrated LED Lighting
Sewer Hose Storage Area
Easy Clean Solid Surface Steps
Keyed Alike
MORryde Strut Assist Entry Steps

Construction

Drop Frame Chassis
Upgraded Axle Hangers
5-Side Aluminum Cage Construction
Walk-On Roof
Fully Enclosed Underbelly w/ Heated Tanks and Storage

Running Gear

Heavy Duty 8,000 lb. Axles
17.5" H- Rated Aluminum Wheels
MORryde® CRE3000 Suspension System
Tow Assist ABS & Sway Mitigation System

Frame & Chassis

101" Widebody Construction
MORryde® Pin Box

Interior

Double Tri-Fold Hide-A-Bed Sofas (376RD, 378MBS, 380FL, 382WB, 390RK, 417KB)
Glass Cabinet Door Inserts (Select Areas)
Under Step Shoe Storage (Most Models)
Plywood Drawer Bottoms
Premium Roller Shades
Hardwood Window Treatments
Congoleum Flooring w/3-Year Warranty
Hallway Handrail
Hardwood Cabinet Doors
Signature Wall Mounted Dinette Table w/4 Padded Chairs
Theatre Seating
Tri-Fold Hide-A-Bed Sofa
Smoke Detector, LP Alarm, Carbon Monoxide Alarm

Kitchen

Oversized Kitchen Pantry
LED Rope Lighting in Pantry
Residential Kitchen Faucet with Pullout Sprayer
Real Tile Backsplash
Hardwood Kitchen Light Soffit
Dishwasher Prep (310GK, 370DV, 390RK, 391DL)
Hutch with Flip-Top Hidden Storage (380FL, 382WB, 390RK)
Washer/Dryer Prep
Solid Surface Countertops
Smart Sink w/removeable cutting board, produce strainer and glass rinser

Electrical

55 Amp Converter
Under Unit LED Light Kit
Exterior Security Light
50 Amp Service w/ Detachable Power Cord
12-Volt Battery Disconnect
Recessed LED Ceiling Lighting
Interior LED Accent Lighting

HVAC

Kitchen 12-Volt High Power MaxxAir Fan with Rain Sensor
Stealth A/C System
35k BTU High Capacity Furnace
Attic Vent
High Capacity Heat Ducts

Plumbing

On Demand Water Heater
Whole House Water Filtration System
All-In-One Enclosed and Heated Utility Center

Bedroom

Residential Style Headboard
Under Bed Storage Area
Individually Switched Reading Lights Over Bed
60" x 80" Queen Bed
Window Above Master Bed Headboard
Dresser w/Slide-Top Hidden Storage
Night Stands with USB Ports
Bedside 110-Volt Outlets (2)

Bathroom

One-Piece Fiberglass Shower with Glass Door
Porcelain Toilet
Undermount Lav Sink

Appliance

Professional Grade Stainless Steel Cooktop w/ Built-in Oven
Stainless Steel 12 Cu. Ft. 4-Door Refrigerator
Microwave

Electronics

Back-Up Camera Prep
Tire Linc TPMS System
Satellite/Cable Prep
Exterior Cable/Satellite Plug-In
LED Smart TV in Living Area
Rockford Fosgate Stereo Ent. System w/ HDMI and App Controls
Exterior Speakers

Peace of Mind Package

Exterior Cable/Satellite Plug-In
Dresser w/ Flip-Top Hidden Storage
MORryde® Pin Box
MORryde® CRE3000 Suspension System
Tow Assist ABS & Sway Mitigation System
17.5" Spare Tire (Undermount)
Power Patio Awning with Integrated LED Lighting
Sewer Hose Storage Area
Kitchen 12-Volt High Power MaxxAir Fan with Rain Sensor
Washer/Dryer Prep
Whole House Water Filtration System
Easy Clean Solid Surface Steps

Max Built Construction Package

Satellite/Cable Prep
101" Widebody Construction
Heavy Duty 8,000 lb. Axles
17.5" H- Rated Aluminum Wheels
High-Gloss Gel Coat Exterior Sidewalls
Color Matched Fender Skirt
5-Side Aluminum Cage Construction
Walk-On Roof
TPO Roof Covering w/ 18-Year Warranty
Slam-Latch Baggage Doors
Magnetic Entry and Baggage Door Catches
Entry Door w/Privacy Glass
Frameless Tinted Windows
Painted Gel Coat Fiberglass Front Cap
Exterior Security Light
Roof Ladder
50 Amp Service w/Detachable Power Cord
12-Volt Battery Disconnect

Residential Living Package

LED Smart TV in Living Area
Rockford Fosgate Stereo Ent. System w/ HDMI and App Controls
Exterior Speakers
Night Stands with USB Ports
Bedside 110-Volt Outlets (2)
Keyed Alike
MORryde Strut Assist Entry Steps
Stealth A/C System
Premium Roller Shades
Hardwood Window Treatments
Congoleum Flooring w/3-Year Warranty
Hallway Handrail
Recessed LED Ceiling Lighting
Interior LED Accent Lighting
Hardwood Cabinet Doors
Signature Wall Mounted Dinette Table w/4 Padded Chairs
Theatre Seating
Tri-Fold Hide-A-Bed Sofa
Smoke Detector, LP Alarm, Carbon Monoxide Alarm
Solid Surface Countertops
Smart sink w/removable cutting board, produce strainer and glass rinser

Weather-Tek Package

35k BTU High Capacity Furnace
Fully Enclosed Underbelly w/ Heated Tanks and Storage
Attic Vent
High Capacity Heat Ducts
All-In-One Enclosed and Heated Utility Center

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.

New 2025 Grand Design Solitude 378MBS

378MBS Floorplan

Specifications

Description

Features

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