New 2026 Grand Design Solitude 388MBS
- SALE PRICE: $119,995
- MSRP: $161,229
- You Save: $41,234
-
43ft long
-
15,985 lbs
-
Sleeps 7
-
4 slides
-
BunkhouseRear Living Area
388MBS Floorplan
Specifications
| Sleeps | 7 | Slides | 4 |
| Length | 42 ft 11 in | Ext Width | 8 ft 5 in |
| Ext Height | 12 ft 9 in | Interior Color | DOVE |
| 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 | 573FS4425TAA22447 |
Description
New 2026 Grand Design Solitude 388MBS
The New 2026 Grand Design Solitude 388MBS is designed for RVers who want luxury, flexibility, and residential-style comfort in a premium fifth wheel. One of the standout features of this floorplan is the mid bunk room, offering a versatile space that can be used as a private sleeping area, office, or bonus room while still maintaining a spacious and open main living area. With multiple slide-outs, the interior feels expansive and ideal for extended stays or full-time living.
The main living area is built for comfort and entertaining, featuring theater seating, a large sofa, and an entertainment center that creates a relaxing environment after a day of travel. The kitchen is designed for real cooking on the road with a large kitchen island, residential refrigerator, cooktop, oven, microwave, and generous cabinetry, while the dining area provides a comfortable place for meals or working remotely. The mid bunk room adds a level of flexibility that makes this unit perfect for families or anyone needing extra usable space.
Toward the front, the private master suite offers a comfortable king bed, wardrobe storage, and dresser space, creating a true retreat at the end of the day. The bathroom includes a spacious residential-style shower, vanity, and additional storage, while outside, large exterior storage compartments and power awnings create a perfect setup for relaxing at the campsite. With its unique layout, premium features, and Grand Design craftsmanship, the Solitude 388MBS delivers both luxury and versatility for your next adventure.
Key Features & Highlights
• Mid bunk room for flexible sleeping or workspace
• Spacious living area with theater seating and sofa
• Kitchen island for meal preparation and serving
• Residential refrigerator, cooktop, oven, and microwave
• Multiple slide-outs creating open living space
• Private front master suite with king bed
• Large bathroom with residential-style shower and vanity
• Entertainment center for relaxing and entertaining
• Exterior storage compartments for camping gear
• Power awnings for shaded outdoor living
Why Choose Campers Inn RV
When you choose Campers Inn RV, you’re partnering with a team dedicated to helping you enjoy the RV lifestyle with confidence. Our RV Match Makers work closely with you to find the perfect RV for your travel goals, lifestyle, and budget. Every new RV we offer is carefully inspected and prepared by certified technicians so it’s ready for adventure. With flexible financing options, transparent pricing, and dependable service support whenever you need it, Campers Inn RV of Knoxville makes RV ownership simple and exciting.
See It In Person Today
Experience the space, flexibility, and luxury of the Grand Design Solitude 388MBS for yourself. Call or text 865-933-7213 today to schedule your tour or learn more from the team at Campers Inn RV of Knoxville.
- Solitude Residential Interior Package
- Roller Shades
- Solid Step Quad Entry
- Keyed A Like
- 30,000 BTU Stealth A/C System
- Solitude Peace of Mind Package
- Solitude Weather-Tek Package
- Solitude Max Built Construction Package
- Central Vacuum System
- 20 Cu. Ft. 12V Refrigerator
- TV Bedroom
- Fireplace
- 12V Tank Heater
- 6 point Hydraulic Leveling System
- SafeRide RV Roadside Assistance
- RVIA Seal
- 2nd Patio Awning
- Upgraded Cooper H-Rated Tires
- King Bed Upgrade
- 3rd A/C 15k BTU w/ Heat Pump
- Generator pre
- Solar+ Package
- 8k Axle w/ Drum Brakes: Omniconnect
- Flip up Bunk in Bunk Room
Features
Standard Features (2026)
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/ Slide-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.
Save your favorite RVs as you browse. Begin with this one!
Loading
*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.



