New 2026 Grand Design Solitude 388MBS Fifth Wheel
Queen bed slide; fireplace; morryde pinbox
The 2026 Grand Design Solitude 388MBS is a premium wide-body fifth wheel designed to feel like home on the road, with thoughtful residential features, family-friendly living zones, and multi-season construction.
The rear living area is the heart of this floorplan, featuring comfortable theater seating, an L-shaped sofa, and an entertainment center with an LED TV and fireplace—ideal for relaxing after a day on the road. A well-equipped kitchen with a 20 cu. ft. residential refrigerator, L-shaped counter, and solid surface countertops make meal preparation easy for full-time travel or extended stays.
This model includes a middle den/bunkroom that provides additional sleeping and living space, complete with a tri-fold sofa, overhead bunk, dresser/desk, and its own 50" TV, giving guests or kids their own area.
Up front, the private bedroom offers a queen bed slide-out, abundant wardrobe storage, and washer/dryer prep for convenient extended adventures. The full bathroom with a shower that includes a seat adds comfort and accessibility.
Construction on the Solitude 388MBS includes 101-inch wide-body framing, MORryde CRE3000 suspension, heavy-duty 8,000 lb. axles, and a Weather-Tek protection package with heated tanks and enclosed underbelly for multi-season use. Frameless tinted windows and pass-through storage enhance both style and functionality.
Exterior features include dual power awnings with LED lighting, ample storage compartments, and premium gel-coat sidewalls, making setup and outdoor living convenient.
Reasons to Buy the Solitude 388MBS:
- Spacious interior with multiple living areas and flexible sleeping options
- Rear living room layout perfect for families or groups
- Middle den/bunkroom adds versatility and guest space
- Premium residential kitchen and entertainment features
- Built for multi-season travel with Weather-Tek protection
Why Buy from Lazydays RV powered by Campers Inn RV:
- Competitive pricing on new Grand Design fifth wheels
- Wide inventory of Solitude and luxury models
- RV specialists experienced with extended-stay rigs
- Flexible financing options for qualified buyers
- Full-service dealership support including parts and maintenance
- Nationwide support network for continued ownership
The 2026 Grand Design Solitude 388MBS provides a well-designed, family-friendly fifth wheel layout with premium features, multi-season construction, and smart living spaces that make extended travel feel like home.
Great service, super friendly and very patient answering a hundred questions. Finance lady Christen was very helpful in getting us the best deal. All wonderful people, thank you all so much. - Tricia
You Save: $53,337
Sale Price: $115,989
Stock# 110904
Interior Color: ASPEN
| Sleeps | 7 |
| Slides | 4 |
| Length | 42 ft 11 in |
| Ext Width | 8 ft 5 in |
| Ext Height | 12 ft 9 in |
| Interior Color | ASPEN |
| 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 | 573FS442XTAA23321 |
Solitude 388MBS Reviews
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