# Keystone Carbon 358

Carbon 358 is a toy hauler floor plan by Keystone.

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 38 ft 11 in |
| Sleeps | 7 |
| Slide-outs | 3 |
| MSRP | $106,995 |

## Model years

2026, 2025, 2024, 2023, 2022, 2021, 2020. Year-specific specs: `https://rvenvy.com/toy-haulers/keystone/carbon/358?year={year}`

## Overview

The Keystone Carbon 358 makes the most of its toy-hauler layout with a 13-foot garage, a loft, and a convenient bath and a half. Two entry doors help separate the garage and main living areas, while the front bedroom offers a 76-by-68-inch King bed. Inside, solid-surface countertops, a farmhouse sink, a 16.5-cubic-foot 12V refrigerator, and Thomas Payne furniture with heat and massage add residential comfort. The garage can be upgraded with a three-seasons patio door and patio package with a power awning.

## Floor plan tags

bath and a half, loft, front bedroom

## Inventory

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

Floor plan diagram: https://images.rvenvy.com/f957d226be16070295776539598d7eaa8d23d0b931decba1dc338a46f36c7c6c/1024.webp

Canonical page: https://rvenvy.com/toy-haulers/keystone/carbon/358