2026 Grand Design Solitude 390RK

New Fifth Wheel in Whitewood, South Dakota, 57793

$163,473.00
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New 2026 Grand Design Solitude 390RK available in Whitewood, South Dakota
Floorplan of 2026 Grand Design Solitude 390RK
2026 Solitude 390RK by Grand Design from Northern Hills Homes and RV's in Whitewood, South Dakota
New 2026 Grand Design Solitude 390RK available in Whitewood, South Dakota

Unit Specs

  • In Stock
  • Stock #GD26S06
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelSolitude
  • Floorplan390RK
  • Floorplan LayoutRear Kitchen
  • Type Fifth Wheel
  • ConditionNew
  • Length42' 6"
  • Width8' 5"
  • Height13' 5"
  • VIN2583
  • MSRP $163,473.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps6
  • Water Capacity (Fresh)81 gal
  • Water Capacity (Black)53 gal
  • Water Capacity (Grey)106 gal
  • Air Conditioners2
  • A/C Spec30000, BTU's
  • Slideouts5
  • Payload Capacity3438 lbs
  • Dry Weight14,562 lbs
  • Tow/Hitch Weight2794 lbs
  • # Axles2

Grand Design Solitude 390RK Fifth Wheel — 2026 Luxury Towable RV

Discover the Grand Design Solitude 390RK, a 2026 luxury fifth wheel designed for extended adventures and comfortable living. As a premium recreational vehicle, this towable RV delivers a top-tier experience with a spacious rear kitchen layout, five slideouts, and premium amenities that cater to families and couples alike. From residential fit and finish to rugged RV reliability, the Solitude 390RK blends home-like comfort with the freedom of the road.

Floorplan and Space

The 390RK floorplan centers around a rear kitchen and expansive living area, with five slideouts creating a broad, open feel. This layout offers a fully equipped kitchen, a welcoming living space for gatherings, and multiple seating options that invite conversation and relaxation. With thoughtful storage and durable construction, it’s ready for long trips, weekend getaways, or full-time RV living.

Key Specifications

  • Brand: Grand Design Solitude
  • Model: 390RK (Rear Kitchen)
  • Type: Fifth Wheel (Towable RV)
  • Year: 2026
  • Length: 42 feet 6 inches
  • Width: 8 feet 5 inches
  • Height: 13 feet 5 inches
  • GVWR: 18,000 lbs
  • Dry Weight: 14,562 lbs
  • Payload Capacity: 3,438 lbs
  • Hitch Weight: 2,794 lbs
  • Slides: 5
  • Fresh Water Capacity: 81 gallons
  • Grey Water Capacity: 106 gallons
  • Black Water Capacity: 53 gallons
  • Sleeping Capacity: 6
  • Air Conditioners: 2 (30,000 BTU total)

Comfort and Convenience

  • Well-equipped kitchen: Microwave, Oven, Refrigerator, Stove Top Burner
  • Water Heater for hot showers and dishes on demand
  • Entertainment: TV, Satellite Radio, Exterior Speakers
  • Safety: CO Detector, LP Detector, Smoke Detector
  • Relaxation: Fireplace, Queen Bed, Rocker Recliner(s)
  • Bath: Shower, Toilet, Medicine Cabinet
  • Exterior: Awning, Exterior Shower, Ladder, Leveling Jacks
  • Connectivity: Auxiliary Battery, Power Roof Vent, Skylight
  • Additional: Spare Tire Kit, Insulated construction for all-season comfort

Why choose the Solitude 390RK

Ideal for families and travelers who value space without sacrificing luxury, the Solitude 390RK combines a rear kitchen with a bright, open living area and five slideouts for abundant interior room. This Grand Design fifth wheel is built to endure long journeys while delivering high-end features, ample storage, and reliable performance—making it a compelling choice for an RV, recreational vehicle, or motorhome enthusiast seeking a premium towable option.

2026 Grand Design Solitude 390RK Features


  • Appliances
    Microwave, Oven, Refrigerator, Stove Top Burner, Water Heater
  • Electrical
    Air Conditioning, Auxiliary Battery, Satellite Radio
  • Equipment
    CO Detector, LP Detector, Smoke Detector, TV
  • Exterior
    Awning, Exterior Speakers, External Shower, Hitch, Ladder, Leveling Jacks, Power Roof Vent, Skylight, Slideout, Spare Tire Kit
  • Interior/Furnishings
    Fireplace, Medicine Cabinet, Queen Bed, Rocker Recliner(s), Roof Vents, Shower, Toilet
  • Horse / Livestock / LQ / Tack
    Insulated

2026 Grand Design Solitude 390RK Specifications

General

MSRP

$161,643

Dimensions

Height

13' 5"

Height (interior)

8' 1"

Length

42' 5"

Width

8' 5"

Weights

Dry Weight

14,562 lbs

GVWR

19,000 lbs

Hitch Weight

2,794 lbs

Payload Capacity

4,438 lbs

Capacities

Refrigerator Capacity

20 cu ft

Sleep Capacity

6

Water Capacity - Black

53 gal

Water Capacity - Fresh

81 gal

Water Capacity - Grey

106 gal

Exterior

# Awnings

1

# Axles

2

# Doors

1

# Slides

5

Chassis

Drop Frame 101" Widebody Construction

Hitch

Fifth Wheel

Electrical

# A/C

1

A/C Spec

30,000 BTU

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Grand Design Solitude 390RK Literature


Seller Info

Northern Hills Homes and RV's

12173 SD Highway 34
Whitewood, SD 57793

Member Since 2015

See 146 Reviews

Unit Specs

  • In Stock
  • Stock #GD26S06
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelSolitude
  • Floorplan390RK
  • Floorplan LayoutRear Kitchen
  • Type Fifth Wheel
  • ConditionNew
  • Length42' 6"
  • Width8' 5"
  • Height13' 5"
  • VIN2583
  • MSRP $163,473.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps6
  • Water Capacity (Fresh)81 gal
  • Water Capacity (Black)53 gal
  • Water Capacity (Grey)106 gal
  • Air Conditioners2
  • A/C Spec30000, BTU's
  • Slideouts5
  • Payload Capacity3438 lbs
  • Dry Weight14,562 lbs
  • Tow/Hitch Weight2794 lbs
  • # Axles2

Email Seller

Request More Info on this 2026 Grand Design Solitude 390RK Offered for sale by Northern Hills Homes and RV's
Northern Hills Homes and RV's
Northern Hills Homes and RV's

12173 SD Highway 34
Whitewood, SD 57793

Phone: Click to Call

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2026 Grand Design Solitude 390RK Gallery

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New 2026 Grand Design Solitude 390RK available in Whitewood, South Dakota
Floorplan of 2026 Grand Design Solitude 390RK
2026 Solitude 390RK by Grand Design from Northern Hills Homes and RV's in Whitewood, South Dakota
New 2026 Grand Design Solitude 390RK available in Whitewood, South Dakota