# Sportsmobile Promaster 153S

153S is a class b floor plan by Promaster (Sportsmobile).

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 17 ft 9 in |
| Sleeps | 2 |
| Slide-outs | 0 |

## Model years

2026. Year-specific specs: `https://rvenvy.com/class-b-motorhomes/sportsmobile/promaster/153s?year={year}`

## Overview

This compact Sportsmobile conversion maximizes every inch of the Ram Promaster's 18-foot frame. The full bathroom is a standout feature in such a nimble package, while the thoughtful layout accommodates two travelers without sacrificing essential amenities. Built on Sportsmobile's proven conversion platform, it delivers the freedom of a Class B with easier parking and better fuel economy than larger rigs.

## Inventory

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

Floor plan diagram: https://images.rvenvy.com/682be9517c45c894ddf42f8cbda8ce4cefe07532ada9fc39d78f62a73c07e29d/1024.webp

Canonical page: https://rvenvy.com/class-b-motorhomes/sportsmobile/promaster/153s