Photo of Rv
Photo of Rv
Photo of Rv
  • Price: $46,000
  • Year: 2021
  • Model: SOLITUDE 378MBS R
  • Property ID: 7009170
  • Partner ID: 5039248664
  • Posted On: Feb 10, 2026
  • Updated On: Feb 10, 2026

RV Description

This 2021 Grand Design Solitude 378MBS-R is a luxurious, ~41-foot, 4-slideout fifth wheel designed for extended stays, featuring a unique middle bunkhouse/office, a kitchen island, and rear living area. Key features include a residential 4-door refrigerator, electric fireplace, king bed, and dual awnings 20ft/10ft. Built for four-season, this unit has a 101" wide-body, 16,830+ lbs GVWR, heated storage, and optional full-body paint.

Key Features and Amenities:
Living Area: Features a rear entertainment center with a televator TV, fireplace, theater seating with heat/massage, and a tri-fold sofa.
Kitchen: Island with double sinks, residential oven with 4-burner range, large pantry with pull-out drawers, and a coffee/margarita bar.
Mid-Bunkhouse: Versatile space suitable for an office, den, or sleeping area, located off the kitchen.
Bedroom & Bath: Front master suite with a king bed, washer/dryer prep, and a large shower with a seat.
Exterior & Construction: 101" wide-body construction, MORryde CRE3000 suspension, 6-point hydraulic leveling system, and dual-pane windows.
Weather-Tek Package: Ensures four-season capability with a fully enclosed, heated underbelly, heated storage, and a 35k BTU furnace.
Specifications:
Length: Approx. 41' 5"
Dry Weight: ~14,232 lbs
GVWR: 16,800 - 16,830 lbs
Fresh Water Capacity: 93 gal
Gray Water Capacity: 100 gal
Black Water Capacity: 50 gal

Add-ons: Stackable Washer and Drying. Starlink Internet, and 3500 watt Champion Generator included.

By proceeding, you agree to the RVPark.com User Agreement and Privacy Policy.

Other Listings by