# Grand Design Solitude 388MBS

388MBS is a fifth wheel floor plan by Solitude (Grand Design).

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 42 ft 11 in |
| Sleeps | 5 |
| Slide-outs | 4 |
| Dry weight | 15,985 lbs |
| GVWR | 19,000 lbs |
| MSRP | $163,220 |

## Model years

2026, 2025. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/grand-design/solitude/388mbs?year={year}`

## Floor plan tags

mid bunk, front bedroom, rear living area

## Inventory

25 units currently for sale priced $84,995 to $179,490: https://rvenvy.com/fifth-wheel-trailers/grand-design/solitude/388mbs/inventory

Floor plan diagram: https://images.rvenvy.com/8ead062fa01c656d259488fc326b76f79f9ffbfc554147f552b4c4e8c9effa7f/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/grand-design/solitude/388mbs