# Grand Design Momentum 398M

398M is a fifth wheel floor plan by Momentum (Grand Design).

## Specs (2022 model year)

| Spec | Value |
| --- | --- |
| Length | 43 ft 11 in |
| Sleeps | 11 |
| Slide-outs | 3 |
| Dry weight | 15,000 lbs |
| GVWR | 20,000 lbs |
| MSRP | $135,743 |

## Model years

2022, 2021. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/398m?year={year}`

## Inventory

1 unit currently for sale priced at $79,995: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/398m/inventory

Floor plan diagram: https://images.rvenvy.com/d8fc569c571bac150baee7f6ccdf3f8982bc2b1d506719237296512dafa60114/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/grand-design/momentum/398m