2025 Grand Design Solitude 390RK

About the 2025 Grand Design Solitude 390RK

The 2025 Grand Design Solitude 390RK by Grand Design represents the 2025 pinnacle of towable RV living. Fifth wheels command a loyal following for good reason: they deliver space, stability, and a towing experience that many owners prefer over bumper-pull alternatives.

At 30.5 feet long, a width of 8.5 feet and standing 13.5 feet tall, the 2025 Grand Design Solitude 390RK weighs in at 15,400 pounds before loading, with a GVWR of 19,100 lbs, giving you roughly 3,700 lbs of payload room. Equipped with 4 slide-outs, the 2025 Grand Design Solitude 390RK provides noticeably more elbow room at your campsite.

Families will appreciate the generous sleeping capacity of 10, with bunk beds, convertible dinettes, and a master sleeping area all contributing to the count. The 2025 Grand Design Solitude 390RK delivers enough room for the whole family to spread out after a long day of hiking, swimming, or exploring.

For extended stays away from hookups, the 2025 Grand Design Solitude 390RK comes equipped with 70 gallons of fresh water capacity, 68 gallons of gray water holding, a 41-gallon black water tank. For electrical needs, the unit provides a 400W solar panel setup, 300 amp-hours of battery storage, a 3000-watt inverter for household AC power. A 13,500 BTU air conditioner keeps things cool in summer heat, and 20,000 BTU of furnace output tackles chilly evenings. The kitchen features a 10 cu ft residential refrigerator for keeping provisions cold. The 16.0-foot awning creates a shaded outdoor area that becomes a favorite gathering spot at camp.

At 15,400 pounds dry, the 2025 Grand Design Solitude 390RK requires a capable tow vehicle. with 2,460 lbs of hitch weight to account for in your towing setup. Make sure your tow vehicle is rated for the 19,100-lb GVWR when fully loaded with gear and water.

The 2025 Grand Design Solitude 390RK carries an MSRP of $62,000, positioning it squarely in the mid-range of the Fifth Wheel market where competition is fierce and buyers expect solid value. If you already own a heavy-duty truck, the 2025 Grand Design Solitude 390RK transforms it into the tow vehicle for one of the most spacious and comfortable towable RV experiences available.

Whether you are planning weekend getaways or extended road trips, the 2025 2025 Grand Design Solitude 390RK from Grand Design provides a well-rounded package that deserves a spot on your shortlist. Take the time to walk through one at your nearest dealer and see how it fits your travel vision.

The 2025 Grand Design Solitude 390RK represents the gold standard in fifth wheel design, combining innovative floor plans with construction quality that lasts for decades.

The bi-level floor plan spans 30.5 feet with 4 slide-out(s), creating distinct living zones for entertaining and relaxation. The raised bedroom suite features a king bed, dual nightstands, and a spacious wardrobe. The main level kitchen boasts a 10 cu ft residential refrigerator, pantry, and island with solid-surface countertops.

Standard features include a 400-watt solar prep, 300 Ah battery bank, and 3,000-watt inverter. The 16-foot power awning extends the living space outdoors. Priced from $62,000, the 2025 Grand Design Solitude 390RK is a compelling choice for full-time and extended-travel RVers.