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New 2026 Grand Design Solitude 390RK

Fifth Wheel

Stock #106750

Mesa, AZ

All-in-one heated utility center, enclosed underbelly, and heated holding tanks for four-season confidence

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Specifications

Sleeps	6	Slides	5
Length	42 ft 5 in	Ext Width	8 ft 5 in
Ext Height	13 ft 5 in	Int Height	8 ft 1 in
Hitch Weight	2794 lbs	GVWR	19000 lbs
Dry Weight	14562 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
Available Beds	Queen	Refrigerator Type	12V
Refrigerator Size	20 cu ft	Cooktop Burners	4
Shower Size	48" x 30"	Number of Awnings	1
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	Awning Info	16' 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	573FS4428TAA21969

Description

New 2026 Grand Design Solitude 390RK — Luxury That Lets You Live the Journey

Built on a true 101" wide-body chassis and riding on heavy-duty 8,000 lb axles with MORryde CRE-3000 suspension, the Solitude 390RK transforms any campsite into a high-end residence on wheels. Five expansive slides, residential finishes, and Grand Design’s Weather-Tek all-season insulation make it ready for month-long adventures or full-time living.

Adventure-Driven Comforts

Raised Rear Kitchen
- Stainless range with built-in oven, 20 cu ft residential fridge, and oversized pantry
- Elevated bar top with two stools overlooks the living room for café-style dining and extra prep space
Middle Lounge with Panorama Windows
- Dual tri-fold sofas + heat-massage theatre seating face a 50" LED Smart TV and electric fireplace
Primary Suite
- Queen bed slide (king optional) for extra floor room
- Slide-top dresser plus full-width front wardrobe with washer/dryer prep

Spa-Style Bath

Dual-sink vanity with solid-surface tops
Large fiberglass shower with glass doors and skylight
Generous linen cabinet keeps towels and toiletries organized

Exterior Highlights

Full-width sliding cargo tray—load bikes, totes, and grills without crawling inside
High-gloss gel-coat sidewalls & frameless windows for a sleek residential look
All-in-one heated utility center, enclosed underbelly, and heated holding tanks for four-season confidence
17.5" H-rated Goodyear tires, self-adjusting brakes, and MORryde pin box for a smooth, stable tow

Built to Feel Like Home

Hardwood cabinet doors, premium roller shades, flush-floor slides (no carpet)
Solid-surface counters and deep stainless farm sink
35K BTU furnace plus dual Whisper Quiet A/Cs (optional third) keep temps perfect from desert heat to mountain cold

Why Choose Little Dealer Little Prices?

Lifetime RV Warranty on every new unit—peace of mind for as long as you own it
Family-owned since 1966—decades of honest deals and real camping know-how
No hidden fees. No pressure. Transparent pricing that lives up to our name
Full parts, service, and accessory departments ready to outfit your Solitude for any trek

The Grand Design Solitude 390RK is more than a fifth wheel—it’s a rolling luxury condo built for boundless exploration. Start making bigger memories today with Little Dealer Little Prices.

Stock 360 Tours and Stock Images May Be Shown. Colors and Specs May Vary. Call for Details.

Options:

Five Slides
Raised Rear Kitchen
Dual-Sink Bath Vanity
Bar Top with Chairs
Exterior Sliding Tray

Features

Standard Features

Exterior

Exterior Spray Port (Door Side)
Front Cap Windshield (380FL, 382WB)
Winegard Antenna
High-Gloss Gel Coat Exterior Sidewalls
Color Matched Fender Skirt
TPO Roof Covering w/ Limited Lifetime Warranty
Slam-Latch Baggage Doors
Magnetic Entry and Baggage Door Catches
Entry Door w/Privacy Glass
Frameless Tinted Windows
Painted Gel Coat Fiberglass Front Cap
Roof Ladder
17.5" Spare Tire (Undermount)
Power Patio Awning with Integrated LED Lighting
Sewer Hose Storage Area
Easy Clean Solid Surface Steps
Keyed Alike
MORryde Strut Assist Entry Steps
MORryde Safe-T-Rail Entry Handle

Construction

Drop Frame Chassis
Upgraded Axle Hangers
5-Side Aluminum Cage Construction
Walk-On Roof
Fully Enclosed Underbelly w/ Heated Tanks and Storage

Running Gear

Heavy Duty 8,000 lb. Axles
17.5" H- Rated Aluminum Wheels
MORryde® CRE3000 Suspension System
Tow Assist ABS & Sway Mitigation System
1/2" Shackles
Metal Wheel Wells

Frame & Chassis

101" Widebody Construction
MORryde® Pin Box

Interior

Double Tri-Fold Hide-A-Bed Sofas (376RD, 380FL, 382WB, 390RK, 417KB)
Glass Cabinet Door Inserts (Select Areas)
Under Step Shoe Storage (Most Models)
Plywood Drawer Bottoms
Premium Roller Shades
Hardwood Window Treatments
Congoleum Flooring w/3-Year Warranty
Hallway Handrail
Hardwood Cabinet Doors
Signature Wall Mounted Dinette Table w/4 Padded Chairs
Theatre Seating
Tri-Fold Hide-A-Bed Sofa
Smoke Detector, LP Alarm, Carbon Monoxide Alarm
Hardwood Drawer Boxes w/Undermount Guides
Electronics Drawer
Ultrafabrics Ultraleather Furniture
Pet Friendly Features: Pet Dishes, Screen Defender and Leash Link

Kitchen

Oversized Kitchen Pantry w/Adjustable Shelves
LED Rope Lighting in Pantry
Real Tile Backsplash
Hardwood Kitchen Light Soffit
Dishwasher Prep (310GK, 370DV, 390RK, 391DL)
Hutch with Flip-Top Hidden Storage (380FL, 382WB, 390RK)
Washer/Dryer Prep
Solid Surface Countertops
Smart Sink w/ Colander, Cutting Board, Soap Dispenser, Cup Rinser, Waterfall and 3 Spray Modes
Spice Rack

Electrical

55 Amp Converter
Under Unit LED Light Kit
Exterior Security Light
50 Amp Service w/ Detachable Power Cord
12-Volt Battery Disconnect
Recessed LED Ceiling Lighting
Interior LED Accent Lighting

HVAC

Kitchen 12-Volt High Power MaxxAir Fan with Rain Sensor
Stealth A/C System
35k BTU High Capacity Furnace
Attic Vent
High Capacity Heat Ducts

Plumbing

On Demand Water Heater
Whole House Water Filtration System
All-In-One Enclosed and Heated Utility Center
Brass Plumbing Fittings

Bedroom

Residential Style Headboard
Under Bed Storage Area
Individually Switched Reading Lights Over Bed
60" x 80" Queen Bed
Window Above Master Bed Headboard
Dresser w/Slide-Top Hidden Storage
Night Stands with USB Ports
Bedside 110-Volt Outlets (2)
Clothes Hamper

Bathroom

One-Piece Fiberglass Shower with Glass Door
Porcelain Toilet
Undermount Lav Sink
Hair Tool Accessory Drawer

Appliance

Professional Grade Stainless Steel Cooktop w/ Built-in Oven
Stainless Steel 12 Cu. Ft. 4-Door Refrigerator
GE Stove and Microwave

Electronics

Back-Up Camera Prep
Tire Linc TPMS System
Satellite/Cable Prep
Exterior Cable/Satellite Plug-In
LED Smart TV in Living Area
Rockford Fosgate Stereo Ent. System w/ HDMI and App Controls
Exterior Speakers
OmniConnect On-Board WiFi Ready

Peace of Mind Package

Exterior Cable/Satellite Plug-In
Dresser w/ Flip-Top Hidden Storage
MORryde® Pin Box
MORryde® CRE3000 Suspension System
Tow Assist ABS & Sway Mitigation System
17.5" Spare Tire (Undermount)
Power Patio Awning with Integrated LED Lighting
Sewer Hose Storage Area
Kitchen 12-Volt High Power MaxxAir Fan with Rain Sensor
Washer/Dryer Prep
Whole House Water Filtration System
Easy Clean Solid Surface Steps

Max Built Construction Package

Satellite/Cable Prep
101" Widebody Construction
Heavy Duty 8,000 lb. Axles
17.5" H- Rated Aluminum Wheels
High-Gloss Gel Coat Exterior Sidewalls
Color Matched Fender Skirt
5-Side Aluminum Cage Construction
Walk-On Roof
TPO Roof Covering w/Limited Lifetime Warranty
Slam-Latch Baggage Doors
Magnetic Entry and Baggage Door Catches
Entry Door w/Privacy Glass
Frameless Tinted Windows
Painted Gel Coat Fiberglass Front Cap
Exterior Security Light
Roof Ladder
50 Amp Service w/Detachable Power Cord
12-Volt Battery Disconnect

Residential Living Package

LED Smart TV in Living Area
Rockford Fosgate Stereo Ent. System w/ HDMI and App Controls
Exterior Speakers
Night Stands with USB Ports
Bedside 110-Volt Outlets (2)
Keyed Alike
MORryde Strut Assist Entry Steps
Stealth A/C System
Premium Roller Shades
Hardwood Window Treatments
Congoleum Flooring w/3-Year Warranty
Hallway Handrail
Recessed LED Ceiling Lighting
Interior LED Accent Lighting
Hardwood Cabinet Doors
Signature Wall Mounted Dinette Table w/4 Padded Chairs
Theatre Seating
Tri-Fold Hide-A-Bed Sofa
Smoke Detector, LP Alarm, Carbon Monoxide Alarm
Solid Surface Countertops
Smart sink w/removable cutting board, produce strainer and glass rinser

Weather-Tek Package

35k BTU High Capacity Furnace
Fully Enclosed Underbelly w/ Heated Tanks and Storage
Attic Vent
High Capacity Heat Ducts
All-In-One Enclosed and Heated Utility Center

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.

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Please contact us @ 928-350-2400 for availability as our inventory changes rapidly. Little Dealer Little Prices strives for accurate website information but is not responsible for misprints, typos, or errors on our website. Manufacturer or sample photos and specifications may be used in place of actual unit photos and specs. Monthly payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Prices exclude taxes, PDI, documentation and delivery fees, destination charges and fees. This offer expires when this information changes or the stock number is sold.

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