# Sportsmobile Promaster 123S

123S is a class b floor plan by Promaster (Sportsmobile).

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 19 ft 8 in |
| Sleeps | 2 |
| Slide-outs | 0 |

## Model years

2026. Year-specific specs: `https://rvenvy.com/class-b-motorhomes/sportsmobile/promaster/123s?year={year}`

## Inventory

No units currently for sale. Search similar inventory: https://rvenvy.com/inventory

Floor plan diagram: https://images.rvenvy.com/52653be8f37fa834c7ac83179b3ac6a2b71958b1a6e01f6a758019f57afa2b60/1024.webp

Canonical page: https://rvenvy.com/class-b-motorhomes/sportsmobile/promaster/123s