# Keystone Cougar 359MBI

Cougar 359MBI is a fifth wheel floor plan by Keystone.

## Specs (2017 model year)

| Spec | Value |
| --- | --- |
| Length | 40 ft 1 in |
| Sleeps | 7 |
| Slide-outs | 4 |

## Model years

2017. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/keystone/cougar/359mbi?year={year}`

## Overview

The 359MBI stands out for its XL pass-through storage with entertainment hook-up and fold-down bike/storage rack. Rare touches that make this fifth wheel genuinely practical for active campers who bring a lot of gear. Inside, solid surface countertops, hand-glazed hardwood cabinet doors, and a residential shower/tub surround give the interior a cut above typical mid-tier builds, while the Cougar Platinum orthopedic mattress and home theatre sound bar make the bedroom and living space feel livable on long stays. The polar package plus, fully heated and enclosed underbelly with enclosed dump valves, and R-15 astro-foil in both the slide floors and underbelly mean this rig is built to handle cold-weather camping without babying. Four-point auto electric leveling and Max Turn Technology on the front cap make setup and maneuvering noticeably easier than older fifth-wheel designs.

## Inventory

5 units currently for sale priced $26,995 to $45,995: https://rvenvy.com/fifth-wheel-trailers/keystone/cougar/359mbi/inventory

Floor plan diagram: https://images.rvenvy.com/f367b21d3d0fa1945255ab40642cf442fb9ef73f15b7c6b6abf344edede37b67/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/keystone/cougar/359mbi