New 2025 Grand Design Solitude 378MBS Fifth Wheel

Virtual Tour Go RVing Mid Bunk Room
2025 378MBS Features and Options

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!

Options:
  • 12V TANK HEATERS
  • 20 CU FT 12V REFRIGERATOR (+ INVERTER PREP
  • 330W SOLAR PANEL
  • 50 AMP CONTROLLER
  • BLUETOOTH MODULE AND 2 DOCK PORTS)
  • 2ND PATIO AWNING
  • 30K BTU STEALTH A/C SYSTEM (2X 15K A/Cs)
  • 3RD A/C 15K BTU
  • 6 POINT HYDRAULIC LEVELING SYSTEM
  • 8K AXLE W/ABS DRUM BRAKES
  • CENTRAL VACUUM SYSTEM
  • ELECTRIC FIREPLACE (MANDATORY)
  • FLIP UP BUNK IN BUNK ROOM
  • KEYED A LIKE
  • KING BED UPGRADE
  • ROLLER SHADES
  • RVIA SEAL
  • SAFERIDE RV ROADSIDE ASSISTANCE
  • SOLAR + PKG (ONE ADDT'L 330W PANEL & 2000W INVERTER)
  • SOLID STEP QUAD ENTRY STEPS
  • SOLITUDE MAX-BUILT CONSTRUCTION PKG
  • SOLITUDE PEACE OF MIND PKG
  • SOLITUDE RESIDENTIAL LIVING PKG
  • SOLITUDE WEATHER-TEK PKG
  • TRAVLFI ON-BOARD WIFI READY
  • TV BEDROOM (MANDATORY)
  • UPGRADED COOPER H-RATED TIRES W/17.5" WHEELS
What Our Customers Are Saying

Will be coming back!

Stopped in to look at options. Wonderful customer service, we were shown several different options to give us a good idea of what we liked and didnt like. Wish all lots were as attentive and helpful rather than pushing a big sale. Definitely will be back. - Lyncee
Price: $135,552
Crestview RV
Location: South Austin - Buda
Stock# 31239
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 2632775#
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2025 378MBS Specifications
Sleeps 7
Slides 4
Length 40 ft 2 in
Ext Width 8 ft 5 in
Ext Height 13 ft 5 in
Int Height 8 ft 1 in
Interior Color DOVE
Exterior Color 18000
Hitch Weight 2686 lbs
GVWR 18000 lbs
Dry Weight 14344 lbs
Fresh Water Capacity 81 gals
Grey Water Capacity 106 gals
Black Water Capacity 53 gals
Tire Size ST215/75R 17.5 LRH
Furnace BTU 35000 btu
Number Of Bunks 1
Available Beds Queen
Refrigerator Type 12V
Refrigerator Size 20 cu ft
Cooktop Burners 4
Number of Awnings 2
Axle Weight 8000 lbs
LP Tank Capacity 30 lbs.
Water Heater Type Tankless On Demand
AC BTU 30000 btu
TV Info LR LED Smart TV
Awning Info 20' and 11' Power w/Integrated LED Lighting
Axle Count 2
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
Electrical Service 50 amp
For more information Contact Us

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