# Sportsmobile Promaster 135S

135S 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/135s?year={year}`

## Overview

The Promaster 135S proves that good things come in small packages, delivering a complete travel experience in just 18 feet. Built on the reliable Ram ProMaster chassis, this Sportsmobile creation manages to include a full bathroom while maintaining excellent maneuverability for tight camping spots and city streets. The compact layout sleeps two comfortably, making it an ideal choice for couples who want to explore without the bulk of larger motorhomes.

## Inventory

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

Floor plan diagram: https://images.rvenvy.com/0a78cb40368a68a7d8c3b8e1e59570776f16d30c17d81769886339a21fe84bc9/1024.webp

Canonical page: https://rvenvy.com/class-b-motorhomes/sportsmobile/promaster/135s