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  • Luxury 2026 Grand Design Solitude 390RK fifth wheel with five slide-outs and a 101? wide-body laminated construction for spacious, residential-style living space.
  • Rear kitchen layout with expansive counter space, raised bar with stools, oversized pantry, and premium stainless appliances including oven and cooktop.
  • 20 cu. ft. residential 12V refrigerator for ample food storage.
  • Dual tri-fold sofas, theater seating, and panoramic windows in the central living area create an inviting space for relaxing and entertaining.
  • Large entertainment center with LED Smart TV and electric fireplace.
  • Private front bedroom with queen bed slide-out (king optional), wardrobe storage, and washer/dryer prep.
  • Spacious full bathroom with dual-sink vanity, large fiberglass shower with glass door and skylight.
  • Tankless water heater and high-capacity furnace for easy comfort on the road.
  • Heated and enclosed underbelly with Weather-Tek all-season protection for multi-season camping.
  • Heavy-duty 8,000 lb. axles and MORryde CRE3000 suspension for stable towing experiences.
  • 50-amp service, large holding tanks (81 gal fresh / 106 gal gray / 53 gal black), and exterior features like power awning with LED lighting, frameless tinted windows, and high-gloss gel coat.

The 2026 Grand Design Solitude 390RK is a luxury fifth wheel designed to give RVers expansive interior space, upscale finishes, and extended-stay capability. At approximately 42’5? long with five slide-outs, this wide-body fifth wheel feels open and well-organized for families, couples, or full-timers.

This model’s rear kitchen layout separates the cooking and prep area from the living space, maximizing flow and counter room. With a raised bar top and oversized pantry, meal prep and entertaining are both functional and comfortable.

The mid-living area centers around comfort and entertainment, featuring dual tri-fold sofas, theater seating, a large LED Smart TV, and an electric fireplace. Panoramic windows let in natural light, enhancing the open feel of the living space.

Toward the front, the private bedroom includes a slide-out queen bed (king optional), wardrobe storage, and washer/dryer prep, creating a restful retreat separate from the main living areas. The spa-style bathroom is equipped with a large shower and dual-sink vanity for convenience.

Built on a strong 101? wide-body chassis with heavy-duty axles and MORryde suspension, the Solitude 390RK supports confident towing while providing a smooth ride. All-season Weather-Tek protection with heated tanks and underbelly ensures camping comfort in diverse climates.

Whether you’re planning weekend getaways, extended trips, or full-time RV living, the Solitude 390RK blends premium residential features, thoughtful interior design, and rugged construction to elevate your travels.


Reasons to Buy the Solitude 390RK:

  • Spacious five-slide interior with rear kitchen enhances comfort and usability.
  • Residential-style features like a large refrigerator, theater seating, and solid surface counters make long trips enjoyable.
  • All-season Weather-Tek protection lets you camp in varied climates.
  • Premium materials, panoramic windows, and luxury finishes elevate the living experience.

Why Buy from Lazydays RV powered by Campers Inn RV:

  • Competitive pricing on new Grand Design Solitude fifth wheels.
  • Large inventory of luxury RVs and personalized buying guidance.
  • Financing and extended coverage options to fit your budget.
  • Full-service dealership support for parts, maintenance, and warranty work.
  • Nationwide service and support network for continued ownership peace of mind.

The 2026 Grand Design Solitude 390RK offers a luxurious, spacious home-on-wheels with premium features and multi-season confidence, making it a strong choice for buyers who want both comfort and capability on the road. 

New 2026 Grand Design Solitude 390RK

Type: Fifth Wheel
Condition: NEW
Year: 2026
Manufacturer: Grand Design
Brand: Solitude
Model: 390RK
Weight (Dry/Gross): 14562 lbs / --
Sleeps: 6
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