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"This is the manufacturer's minimum allowed advertised price, contact us today for your unbeatable personalized quote."

NEW 2025 Grand Design Solitude Fifth Wheel 378MBS

Designed for families, remote workers, and extended stays, the 2025 Grand Design Solitude 378MBS blends residential luxury with flexible living space so you never have to compromise comfort for adventure. With a dedicated middle bunkhouse/office, dual power awnings, and a refined open-concept living area, this fifth wheel is built to adapt to the way you travel.

At the heart of this floorplan is the middle bunkhouse, a true multi-purpose room. It features a fold-down bunk above a tri-fold sofa, creating comfortable sleeping space while still functioning as a lounge or workspace. A built-in desk and closet make this room ideal for working remotely, homeschooling, or hosting guests without disrupting the rest of the coach.

Highlights and Key Features:

  • Middle bunkhouse with fold-down bunk, tri-fold sofa, desk, and closet

  • Spacious open living area with dual opposing slide-outs

  • Theatre seating and tri-fold sofa positioned for the LED Smart TV

  • Free-standing dinette for meals, work, or family game nights

  • Chef-inspired kitchen with large island and prep sink

  • Built-in oven, oversized pantry, and 20 cu. ft. refrigerator

  • Front private bedroom with queen bed slide (king optional)

  • Large wardrobe with washer/dryer prep

  • Two power awnings for extended outdoor living space

  • Exterior beverage cooler and outside griddle for easy entertaining

Built with Grand Design’s renowned quality, the Solitude 378MBS features 101" wide-body construction, heavy-duty 8,000 lb. axles, frameless tinted windows, and high-gloss gel coat sidewalls. Travel confidently in all seasons thanks to the Weather-Tek Package, which includes a 35,000 BTU high-capacity furnace, enclosed and heated utility center, and fully enclosed underbelly with heated tanks and storage.

Inside, residential details elevate the experience with hardwood cabinet doors, solid surface countertops, premium roller shades, and upscale finishes throughout. On the road, the MORryde CRE3000 suspension system, MORryde pin box, and self-adjusting brakes deliver a smooth, stable towing experience from driveway to destination.

Why Buy from Campers Inn RV:
Campers Inn RV is committed to helping you find the right fifth wheel for your lifestyle. With knowledgeable product specialists, competitive pricing, flexible financing options, and a nationwide service network, you can buy with confidence knowing support is always within reach.

Inventory/Stock Images may be shown. Colors and specifications may vary. Call our AMAZING TEAM for details.

New 2025 Grand Design Solitude 378MBS

Type: Fifth Wheel
Condition: NEW
Year: 2025
Manufacturer: Grand Design
Brand: Solitude
Model: 378MBS
Weight (Dry/Gross): 14344 lbs / --
Sleeps: 7
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