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Contact Information

RV Details

  • Price: $58,900
  • Year: 2021
  • Model: SOLITUDE 378MBS-R
  • Listing ID: 7012438
  • Partner ID: 5039441885
  • Posted On: Feb 24, 2026
  • Updated On: Feb 24, 2026

Description

The Grand Design Solitude 378MBS-R is a luxurious fifth-wheel trailer that offers spacious living and top-of-the-line amenities for your next adventure. Built in 2021, this model is designed to provide comfort and convenience on the road. With a sleek and modern exterior, the Solitude is sure to turn heads wherever you go. After we purchased it in 2024, we brought it to our property and parked it under a solid metal roof where it has been located ever since. Only two trips down the road - pulled for less than 100 miles total. It passed a full professional RV inspection, and we have all receipts of over $3,000 worth of upgrades and repairs from 2024. The entire roof was completely resealed by a certified RV tech (every seal, every rubber boot). No leaks EVER!

Inside, you'll find a well-appointed interior with high-quality finishes and attention to detail. The 378MBS-R floorplan offers plenty of room for the whole family, with a master bedroom, bunkhouse, and spacious living area. This RV has a camper king bed in the master and leather power double recliners with heat and massage as well as two couches that double as beds, one in the living space and one in the extra bedroom. There is also a full built-in central vacuum system! The kitchen is equipped with modern appliances and ample storage space, making it easy to whip up delicious meals while on the road. There is tons of storage both inside and out!

The Solitude is designed for long-term living, with features like residential-style furniture, a designer fireplace, and a large flat-screen TV. The bathroom is equipped with a spacious shower and plenty of storage for all your toiletries. Both air conditioners have RV Airflow kits installed, and it is equipped with an Arctic Four Seasons package, Solar prep, Cummins generator prep, and a New Dometic porcelain toilet. We added a Camco RV water softener, and there is a hookup for a washer and dryer in the extra closet in the master bedroom.

Outside, you'll find a large awning and outdoor kitchen, perfect for enjoying the great outdoors. The Solitude is built with quality construction and attention to detail, ensuring that you'll have a comfortable and reliable RV for years to come. Whether you're hitting the road for a weekend getaway or an extended road trip, the Grand Design Solitude 378MBS-R is the perfect choice for your next adventure. If you want a fifth wheel that looks, feels, and smells like it just left the lot, this is it. Serious buyers only.

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