# Grand Design Momentum M-Class 381MS

M-Class 381MS is a fifth wheel floor plan by Momentum (Grand Design).

## Specs (2025 model year)

| Spec | Value |
| --- | --- |
| Length | 43 ft 11 in |
| Sleeps | 7 |
| Slide-outs | 0 |
| GVWR | 20,000 lbs |
| MSRP | $132,040 |

## Model years

2025, 2024, 2023. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-381ms?year={year}`

## Inventory

1 unit currently for sale priced at $89,995: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-381ms/inventory

Floor plan diagram: https://images.rvenvy.com/47c962487edeaa2ee98d429a2b49a2b39a6bba34e9c776cbc13a4ac423283472/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/m-class-381ms