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• 2021 SOLITUDE 378MBS-R

2021 Grand Design Solitude 378MBS-R Fifth Wheel Mid-Bunk Washer/Dryer Tire Linc King Bed Outdoor Kitchen Package

If you're searching for a luxury fifth wheel with a mid-bunk floorplan, washer/dryer, and full-time living capability, this 2021 Grand Design Solitude 378MBS-R checks every box.

This 41' residential-style RV features 5 slide-outs, sleeps up to 8, and is one of the most desirable layouts for families or remote work.

Why This 378MBS-R Stands Out
Installed Upgrades
Tire Linc Tire Pressure Monitoring System (TPMS) Monitor tire pressure & temperature in real time
Washer/Dryer Combo (installed and ready to use)
Upgraded Residential King Mattress

Bonus Gear Included (Turnkey Setup)
Jack pads for hydraulic leveling system
Outdoor cooking package included thousands in added value.

Rear Living Room
Dual tri-fold sleeper sofas
Heated & massaging theater seating
Large LED TV & entertainment center
Electric fireplace
Premium sound system
Perfect for full-time living or extended stays.

Residential Kitchen

Full-size residential refrigerator
Solid surface countertops
Large island with stainless sink
4-burner range with oven
Residential microwave
Large pantry
Free-standing dinette
Designed for real cooking not just camping.
Private Mid-Bunk Room (Highly Sought-After Floorplan)
Convertible sleeper sofa
Overhead bunk
Built-in desk/workstation
Ideal for kids, guests, or remote office
One of the main reasons buyers choose the 378MBS-R.

Front Master Suite

Upgraded King Mattress
Large wardrobe with washer/dryer
Under-bed storage
LED TV
Direct bathroom access

Bathroom
Large residential shower with glass doors
Porcelain toilet
Vanity with ample storage

Exterior Features
6-Point Hydraulic Auto-Leveling
Two Power Awnings with LED Lighting
Heated & Enclosed Underbelly (Four Seasons Package)
Massive Pass-Through Storage
Backup Camera Prep
Outdoor Speakers

Specs
Length: ~41 ft
5 Slide-Outs
Sleeps: 78
Dry Weight: ~14,500 lbs
GVWR: ~16,800 lbs

Condition

Very well maintained. Everything works as it should. No leaks, no soft spots, no known issues. Clean inside and out.

This RV is ideal for:
Full-time RV living
Families needing extra space
Snowbirds
Remote workers
Extended travel

Serious inquiries only. Message to schedule a showing or request additional photos