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2026 Grand Design Solitude 388MBS Exterior
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+33

- SALE PRICE: $137,495
- MSRP: $161,365
- You Save: $23,870
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42ft long
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15,985 lbs
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Sleeps 7
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4 slides
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BunkhouseRear Living Area
388MBS Floorplan
Specifications
| Sleeps | 7 | Slides | 4 |
| Length | 42 ft 6 in | Ext Width | 8 ft 5 in |
| Ext Height | 12 ft 9 in | Interior Color | HARBOR |
| Hitch Weight | 2930 lbs | GVWR | 19000 lbs |
| Dry Weight | 15985 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 | 3 | Shower Size | 48" x 30" |
| Number of Awnings | 2 | Axle Weight | 8000 lbs |
| LP Tank Capacity | 30 lbs. | Water Heater Type | Tankless On Demand |
| AC BTU | 30000 btu | TV Info | LR LED Smart TV, Bunkroom 50" TV |
| Awning Info | 11' and 18' 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 |
| VIN | 573FS4421TAA22395 |
Description
Grand Design Solitude fifth wheel 388MBS highlights:
- Four Slide Outs
- Middle Den/Bunkroom
- Rear Living Area
- Two Power Awnings
- Shower with a Seat
Discover the ultimate in luxury RV living with the New 2026 Grand Design Solitude 388MBS, now available at Campers Inn RV. Designed for travelers who demand space, style, and premium comfort, this fifth wheel delivers an elevated experience that rivals even the finest vacation homes—all on wheels.
Step inside and be amazed by the expansive layout and thoughtful design of the 388MBS. The mid-bunk model offers exceptional versatility with an open floorplan that feels bright and inviting. The heart of this unit is the stunning living area, featuring panoramic windows, premium furnishings, and abundant storage. The chef-inspired kitchen includes solid-surface countertops, a deluxe stainless-steel appliance package, deep pantry space, and a residential-style refrigerator—perfect for preparing gourmet meals on the road or hosting family and friends.
At the rear of the coach, the master bedroom feels like a private retreat with a luxurious king-size bed, generous closet space, and a serene atmosphere to unwind after a day of adventure. The full bathroom offers residential comforts with a large shower, stylish finishes, and ample storage for linens and essentials. Additional sleeping options in the mid-bunk area make this model ideal for families, couples, or friends traveling together.
Built with Grand Design’s renowned construction quality, the Solitude 388MBS features innovative structural engineering, premium materials, and climate-ready insulation so you can enjoy comfortable travel in a variety of weather conditions. From weekend getaways to extended cross-country journeys, this fifth wheel is engineered to deliver durability and reliability.
There are countless reasons to make the 2026 Solitude 388MBS your home-on-the-go. Enjoy generous living space, high-end amenities, multiple entertainment zones, and storage both inside and out. Whether you love long-term travel, tailgating events, or breathtaking national park excursions, this RV elevates every adventure with unrivaled comfort and style.
When you buy from Campers Inn RV, you’re choosing a premier RV dealer with a reputation for exceptional service and customer care. Our knowledgeable team will guide you through every step of the buying process, ensuring you feel confident and informed. Campers Inn RV provides comprehensive inspections, transparent pricing, and a commitment to matching you with the perfect RV for your lifestyle. With flexible financing solutions, nationwide delivery options, and a dedicated service department, you’ll enjoy peace of mind long after you drive off the lot.
Make your dream of luxury travel a reality with the New 2026 Grand Design Solitude 388MBS from Campers Inn RV. Experience adventure on your terms with comfort, quality, and unmatched support from a dealer you can trust.
- Residential Living Package
- Central Vacuum System
- 20 Cu. Ft. 12V Refrigerator
- OmniConnect - Satelite, Cellular and Wifi Internet Prep
- TV Bedroom
- Electric Fireplace
- 12V Tank Heaters
- 6-Point Hydraulic Leveling System
- Upgraded H-Rated Tires with 17.5" Wheels
- Flip Up Bunk in Bunk Room
- 2nd Patio Awning King Bed Upgrade
- 3rd AC 15K BTU with Heat Pump
- Generator Prep
- Solar + Package
- 8K Axle with ABS Drum Brakes
- Solitude Peace of Min Package
- Weather- Tek Package
- Max-Build Construction Package
Features
Standard Features
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
- MORryde Safe-T-Rail Entry Handle
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
- 1/2" Shackles
- Metal Wheel Wells
Frame & Chassis
- 101" Widebody Construction
- MORryde® Pin Box
Interior
- Double Tri-Fold Hide-A-Bed Sofas (376RD, 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
- Hardwood Drawer Boxes w/Undermount Guides
- Electronics Drawer
- Ultrafabrics Ultraleather Furniture
- Pet Friendly Features: Pet Dishes, Screen Defender and Leash Link
Kitchen
- Oversized Kitchen Pantry w/Adjustable Shelves
- LED Rope Lighting in Pantry
- 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/ Colander, Cutting Board, Soap Dispenser, Cup Rinser, Waterfall and 3 Spray Modes
- Spice Rack
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
- Brass Plumbing Fittings
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)
- Clothes Hamper
Bathroom
- One-Piece Fiberglass Shower with Glass Door
- Porcelain Toilet
- Undermount Lav Sink
- Hair Tool Accessory Drawer
Appliance
- Professional Grade Stainless Steel Cooktop w/ Built-in Oven
- Stainless Steel 12 Cu. Ft. 4-Door Refrigerator
- GE Stove and 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
- OmniConnect On-Board WiFi Ready
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/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
- 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.



