New 2026 Grand Design Solitude 388MBS Fifth Wheel

Virtual Tour
2026 388MBS Features and Options

Grand Design Solitude fifth wheel 388MBS highlights:

  • Four Slide Outs
  • Middle Den/Bunkroom
  • Rear Living Area
  • Two Power Awnings
  • Shower with a Seat

 

The whole gang will love camping in this spacious fifth wheel for five to six! You'll have your own bedroom up front with a queen bed slide out, a large front closet with a hamper and washer and dryer prep, plus a private entry door into the dual entry bath. Your guest can take the middle bedroom that includes a tri-fold sofa with a bunk above, a dresser/desk, plus a 50" TV for entertainment. A full kitchen includes an L-shaped counter, a 20 cu. ft. refrigerator, pull-out trash cans plus many more convenient features. And don't overlook the rear living area with its L-shaped sofa, theater seating, and free-standing dinette. There is also an entertainment center with a telescoping TV and a fireplace plus an electronics drawer to charge your phone or laptop.

 

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:
  • ----30,000 BTU STEALTH A/C SYSTEM (2X 15K A/C'S)
  • ----KEYED-A-LIKE
  • ----ROLLER SHADES
  • ----SOLID STEP QUAD ENTRY STEPS
  • 12V TANK HEATERS
  • 20 CU. FT. 12V REFRIGERATOR
  • 2ND PATIO AWNING
  • 3RD A/C 15K BTU W/HEAT PUMP
  • 6-POINT HYDRAULIC LEVELING SYSTEM
  • 8K AXLE W/ABS DRUM BRAKES
  • CDL
  • CENTRAL VACUUM SYSTEM
  • DOVE
  • ELECTRIC FIREPLACE (MANDATORY)
  • FLIP UP BUNK IN BUNKROOM
  • GENERATOR PREP
  • KING BED UPGRADE
  • OMNICONNECT - SATELLITE
  • CELLULAR AND WIFI INTERNET PREP
  • RVIA SEAL
  • SAFERIDE RV ROADSIDE ASSISTANCE
  • SOLAR + PACKAGE (ONE (1) ADDITIONAL 330W PANEL & 2000W INVERTER)
  • SOLITUDE "MAX-BUILT" CONSTRUCTION PACKAGE
  • SOLITUDE "PEACE OF MIND" PACKAGE
  • SOLITUDE "WEATHER -TEK" PACKAGE
  • SOLITUDE RESIDENTIAL LIVING PACKAGE
  • TV BEDROOM (MANDATORY)
  • UPGRADED COOPER H-RATED TIRES W/17.5" WHEELS
What Our Customers Are Saying

Fantastic service and support!

Fantastic service and support. Jim and Mike know RVs and even more important know the industry and all the conditions that are affecting RV sales. In addition, RV Kountry went above any beyond when it comes to the sale of my coach. They coordinated battery replacements and other repairs. I would highly recommend RV Kountry. Thanks for all your help. - Greg
Price: $161,881
You Save: $24,386
Sale Price: $137,495
Moix RV
Location: Hot Springs Landing
Stock# 13054
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 3015935#
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2026 388MBS Specifications
Sleeps 7
Slides 4
Length 42 ft 11 in
Ext Width 8 ft 5 in
Ext Height 12 ft 9 in
Interior Color DOVE
Hitch Weight 2930 lbs
GVWR 19000 lbs
Dry Weight 15985 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 3
Shower Size 48" x 30"
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, Bunkroom 50" TV
Awning Info 11' and 18' 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
VIN 573FS4423TAA22446
For more information Contact Us

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