2026 Grand Design Solitude 390RK

New Fifth Wheel in Corinth, Texas, 76210

$129,995.00

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New 2026 Grand Design Solitude 390RK available in Corinth, Texas

2026 Grand Design Solitude 390RK - New Fifth Wheel For Sale by McClain's RV Superstore in Corinth, Texas features Exterior Speakers, Pantry, Fireplace, Theater Seating, Oven

2026 Solitude 390RK by Grand Design from McClain's RV Superstore in Corinth, Texas

Unit Specs

Stock #16127
Year2026
ManufacturerGrand Design RV
Make Grand Design
ModelSolitude
Floorplan390RK
Floorplan LayoutFront Bedroom
Mid Living Area
Rear Kitchen
Type Fifth Wheel
ConditionNew
Length42' 5"
Width8' 5"
Height13' 5"
VIN573FS4422TAA23863
MSRP $173,755.00
Sale Price $129,995.00
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ChassisDrop Frame 101" Widebody Construction
Sleeps6
Water Capacity (Fresh)81 gal
Water Capacity (Black)53 gal
Water Capacity (Grey)106 gal
Air Conditioners3
A/C Spec3 X 15K BTU
Refrigerator Capacity20 ft³
Slideouts5
Payload Capacity4438 lbs
Dry Weight14,562 lbs
Tow/Hitch Weight2794 lbs
# Axles2

Looking to buy a 2026 Grand Design Solitude Fifth Wheel RV?

42’ 5” luxury fifth-wheel with wide-body design
Five slide-outs for a massive, residential interior
Raised rear kitchen layout with bar top & seating
Sleeps up to 6 – ideal for extended stays or full-time living
Gourmet kitchen: island, solid-surface countertops, 20 cu. ft. fridge & large pantry
Spacious living area with theater seating, dual sofas & fireplace
Private master suite with king bed & washer/dryer prep
Large bathroom with dual-sink vanity & residential shower
Weather-Tek insulation + heated underbelly for 4-season camping
Triple A/C system + 35K BTU furnace for climate control
Heavy-duty 8,000 lb axles & MORryde suspension for durability

Luxury, space, and true residential comfort define the 2026 Grand Design Solitude 390RK. At over 42 feet long with five slide-outs, this fifth wheel delivers one of the most spacious interiors in its class—making it an excellent choice for full-time RV living or extended travel.

The standout feature is the raised rear kitchen, designed for serious cooking and entertaining. With a large island, solid-surface countertops, high-end appliances, and an oversized pantry, it offers a true residential kitchen experience. The elevated bar-top seating overlooks the central living area, creating a unique open-concept layout perfect for gathering and relaxing.

The main living space features theater seating, dual tri-fold sofas, and a fireplace with a large entertainment center, providing a comfortable, home-like environment. Up front, the private master suite includes a king bed, generous wardrobe storage, and washer/dryer prep, while the spacious bathroom offers a dual vanity and large shower for added convenience.

Built with Grand Design’s Weather-Tek insulation, heated underbelly, and heavy-duty construction, the Solitude 390RK is designed for all-season travel and long-term durability.

With residential luxury, massive living space, and premium construction, the Solitude 390RK is the perfect choice for travelers who want a true home on wheels—without compromise.

View a video of this 2026 Grand Design Solitude 390RK RV on YouTube!

2026 Grand Design Solitude 390RK Features

Appliances
Furnace, Microwave, Oven, Refrigerator, Stove Top Burner, Water Heater
Electrical
50 Amp Service, Air Conditioning, Batteries
Equipment
CO Detector, Fire Extinguisher, LED Lights, LP Detector, Propane, Smoke Detector, TV
Exterior
Awning, Black Tank Flush, Detachable, Detachable Power Cord, Enclosed Underbelly, Exterior Speakers, Heated Underbelly, Ladder, Leveling Jacks, Pass Thru Storage, Roof Vent, Screen Door, Slideout, Spare Tire Kit, Tinted Windows
Interior/Furnishings
Day/Night Shades, Dinette, Fireplace, Island Kitchen, Kitchen Sink, Medicine Cabinet, Overhead Cabinetry, Pantry, Pet Friendly, Queen Bed, Roof Vents, Shower, Sofa Bed, Solid Surface Countertops, Theater Seating, Toilet, Wardrobe(s), Washer/Dryer Prep

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

Water Capacity - Black

53 gal

Water Capacity - Fresh

81 gal

Water Capacity - Grey

106 gal

Exterior

# Awnings

# Axles

# Doors

# Slides

Chassis

Drop Frame 101" Widebody Construction

Hitch

Fifth Wheel

Electrical

# A/C

A/C Spec

30,000 BTU

*MFG Specs are for the base unit. Certain options may change specifications listed. Please consult dealer for more details. RVUSA.com cannot guarantee the accuracy of the data presented.