2026 Grand Design Solitude 388MBS

Vehicle Photo
  • MSRP: $169,326
  • Dealer Discount: $45,331
  • Finance Incentive: $4,000
  • Sale Price: $119,995
  • As Low As: $802 /mo (Edit)
Stock #: 110904
Tampa, FL
  • Available
  • New
  • Class: Fifth Wheel
  • Length: 0 ft
  • Slides: 4
  • Dry Weight: 15,985
  • Sleeps: 7

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  • Bunkhouse
  • Front Bedroom
  • Rear Entertainment
  • Rear Living Area
Floorplan
  • Available Beds Queen
  • Exterior Height 12 ft 9in
  • Exterior Width 8 ft 5in
  • Pin Weight 2,930 lbs
  • Gross Weight 19,000 lbs
  • Dry Weight 15,985 lbs
  • Tire Size ST215/75R 17.5 LRH
  • Axle Count 2
  • Fresh Water Capacity 81 gal
  • Grey Water Capacity 106 gal
  • Black Water Capacity 53 gal
  • Furnace BTU 35,000
  • Refrigerator Type 12V
  • Refrigerator Size 20
  • Cooktop Burners 3
  • Shower Size 48"" x 30
  • Shower Type Shower w/Seat
  • Number of Awnings 2
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR LED Smart TV, Bunkroom 50"" TV

The 2026 Grand Design Solitude 388MBS is a premium wide-body fifth wheel designed to feel like home on the road, with thoughtful residential features, family-friendly living zones, and multi-season construction.

The rear living area is the heart of this floorplan, featuring comfortable theater seating, an L-shaped sofa, and an entertainment center with an LED TV and fireplace—ideal for relaxing after a day on the road. A well-equipped kitchen with a 20 cu. ft. residential refrigerator, L-shaped counter, and solid surface countertops make meal preparation easy for full-time travel or extended stays.

This model includes a middle den/bunkroom that provides additional sleeping and living space, complete with a tri-fold sofa, overhead bunk, dresser/desk, and its own 50"" TV, giving guests or kids their own area.

Up front, the private bedroom offers a queen bed slide-out, abundant wardrobe storage, and washer/dryer prep for convenient extended adventures. The full bathroom with a shower that includes a seat adds comfort and accessibility.

Construction on the Solitude 388MBS includes 101-inch wide-body framing, MORryde CRE3000 suspension, heavy-duty 8,000 lb. axles, and a Weather-Tek protection package with heated tanks and enclosed underbelly for multi-season use. Frameless tinted windows and pass-through storage enhance both style and functionality.

Exterior features include dual power awnings with LED lighting, ample storage compartments, and premium gel-coat sidewalls, making setup and outdoor living convenient.


Reasons to Buy the Solitude 388MBS:

  • Spacious interior with multiple living areas and flexible sleeping options
  • Rear living room layout perfect for families or groups
  • Middle den/bunkroom adds versatility and guest space
  • Premium residential kitchen and entertainment features
  • Built for multi-season travel with Weather-Tek protection

Why Buy from Lazydays RV powered by Campers Inn RV:

  • Competitive pricing on new Grand Design fifth wheels
  • Wide inventory of Solitude and luxury models
  • RV specialists experienced with extended-stay rigs
  • Flexible financing options for qualified buyers
  • Full-service dealership support including parts and maintenance
  • Nationwide support network for continued ownership

 

The 2026 Grand Design Solitude 388MBS provides a well-designed, family-friendly fifth wheel layout with premium features, multi-season construction, and smart living spaces that make exte

†Lazydays strives to ensure the accuracy of the information provided on this website. However, actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing or specifications. Specifications and availability subject to change without notice. Price, length, weight, or any other specifications cannot be relied upon. Buyers should verify and confirm all claims made on the website. Sale price includes all manufacturer discounts and rebates. All prices listed on this site exclude tax, tags and title fees. Applicable government fees, state taxes, dealer fees and emissions testing charges will be added to comply with state vehicle codes. Freight and prep costs are additional and vary by state. Contact Lazydays for complete details.

*90 Days – Payments can be deferred for 90 days with approved credit. Interest accrues from contract date. Financing terms subject to lender approval. Not valid with other offers. Actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Document fees vary by location. See dealership for complete details.

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***The advertised discount contains a $4,000 finance incentive. Finance Incentive applies if financing for your RV purchase is obtained with assistance by Lazydays and placed with a third party lender. Terms and Conditions may apply. Contact our finance department for further details.

****Margaritaville offer valid for a limited time only at Lazydays RV of Tampa. Customers who purchase a new RV or complete a qualified service appointment (appointment must be booked and customer must show for the appointment) are eligible to receive a complimentary 3-day, 2-night stay at Camp Margaritaville RV Resort of Auburndale. Offer valid while supplies last. Promotion is non-transferable, has no cash value, and cannot be combined with other offers or promotions. Limit one promotional stay per customer, per transaction. Resort stay subject to availability and blackout dates may apply. Resort reservation must be made within 30 days of RV purchase or completed service appointment. Valid for Florida residents and legal U.S. residents only, 18 years or older. Additional terms and conditions may apply. Lazydays RV of Tampa reserves the right to modify or cancel this promotion at any time without notice. Void where prohibited by law.