2026 Grand Design Solitude 390RK

Vehicle Photo
  • MSRP: $166,047
  • Dealer Discount: $37,052
  • Finance Incentive: $4,000
  • Sale Price: $124,995
  • As Low As: $836 /mo (Edit)
Stock #: 21174927
Tampa, FL
  • Available
  • New
  • Class: Fifth Wheel
  • Length: 0 ft
  • Slides: 5
  • Dry Weight: 14,562
  • Sleeps: 6

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  • Front Bedroom
  • Kitchen Island
  • Outdoor Kitchen
  • Rear Kitchen
Floorplan
  • Available Beds Queen
  • Exterior Height 13 ft 5in
  • Exterior Width 8 ft 5in
  • Interior Height 8 ft 1in
  • Pin Weight 2,794 lbs
  • Gross Weight 19,000 lbs
  • Dry Weight 14,562 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 Size 48"" x 30
  • Shower Type Shower w/Seat
  • Number of Awnings 1
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR LED Smart TV
  • 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.

†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.

**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.

***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.