2025 Grand Design Solitude 378MBS

Vehicle Photo
  • MSRP: $135,461
Stock #: 21160018
Tampa, FL
  • Available
  • New
  • Class: Fifth Wheel
  • Length: 40 ft 2in
  • Slides: 4
  • Dry Weight: 15,050
  • Sleeps: 7

Interested in this RV?

By submitting, you opt in to receive email and texting communication from Lazydays RV.

Thank you for your interest, we will be in touch shortly.

There was an error submitting your form. Please call us at 800-306-4011 and we can help you over the phone.

Give us a call! 813-246-4333
  • Bunkhouse
  • Front Bedroom
  • Kitchen Island
  • Rear Living Area
Floorplan
  • Available Beds Queen
  • Number of Bunks 1
  • Exterior Height 13 ft 5in
  • Exterior Width 8 ft 5in
  • Interior Height 8 ft 1in
  • Pin Weight 2,686 lbs
  • Gross Weight 18,000 lbs
  • Dry Weight 15,050 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 4
  • Shower Type Shower w/Seat
  • Number of Awnings 2
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR LED Smart TV

Grand Design Solitude fifth wheel 378MBS highlights:

  • Middle Bunkhouse/Office
  • Kitchen Island
  • Free Standing Dinette
  • Outside Beverage Cooler & Griddle
  • Two Power Awnings

 

The middle bunkhouse in this fifth wheel includes a fold down bunk above a tri-fold sofa which offers seating for extra living space as well as sleeping space for a bedroom. There is also a desk to work from and a closet for clothing and supplies making this room multi-functional. The front master bedroom features a queen bed slide or you can choose the king option, and a large closet as well as a washer/dryer prep. The main combined living and kitchen area is spacious with dual opposing slides and offers theatre seating and a tri-fold sofa to relax on while watching the LED Smart TV allowing you to visit with the cook in the kitchen while preparing meals. This chef kitchen offers an island with prep space and a sink, a built-in oven, a 20 cu. ft. refrigerator, and an oversized pantry to store lots of dry goods and snacks. You will surely enjoy the two power awnings and the outside griddle plus beverage cooler while relaxing outdoors.

 

Each Solitude fifth wheel by Grand Design features a 101" wide-body construction, heavy duty 8,000 lb. axles, frameless tinted windows, and high-gloss gel coat sidewalls. You can camp year around thanks to the Weather-Tek Package that includes a 35K BTU high-capacity furnace, an all-in-one enclosed and heated utility center, and a fully enclosed underbelly with heated tanks and storage. Inside, you'll love the premium roller shades, hardwood cabinet doors, solid surface countertops, plus residential finishes throughout to make you truly feel at home. Each model also includes a MORryde CRE3000 suspension system, self adjusting brakes, and a MORryde pin box that will provide smooth towing from home to campground. Affordable luxury is possible with the Solitude fifth wheels; choose yours today!

†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. Specifications and availability subject to change without notice. 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.

**Lazydays believes the specifications on this site supplied by the manufacturer to be correct at the time posted. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some equipment may be unavailable when a vehicle is built. Some vehicles are pictured with options, which may be available at extra cost or may not be available on some models. You should verify the equipment that is on all vehicles. If a new vehicle shown on this website is subject to an open safety recall, Lazydays cannot deliver the vehicle to you until the recall repair is completed. This is a requirement of federal law.