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• 2021 Solitude 378MBS

Turnkey RV + Denali Tow Rig – Hit the Road in Style!

378MBS for Sale on RV Trader

2021 Grand Design Solitude 378MBS $66,000 (Negotiable)

Optional Tow Vehicle: 2021 GMC Sierra 3500 Denali (Package Deal: $130,000)

Maryville, TN Transferable storage spot with paved pad + electrical hookups!

Why Youll Love It

Looking for a luxury fifth wheel thats road-ready today? This 2021 Solitude 378MBS is lightly used, fully loaded with upgrades, and comes with all the accessories you need to start camping immediately.

Sleeps up to 8 spacious 378 floorplan with 4 slide-outs

Mid-bunk bonus room + loft (perfect for kids, guests, or home office)

Huge living area with theater seating, tri-fold sofa, big-screen TV & fireplace

Residential kitchen island, pantry, 12V fridge, convection microwave & solid counters

King master suite with upgraded mattress, washer/dryer prep & tons of storage

Luxury bathroom with oversized shower & porcelain toilet

Upgrades & Add-Ons Included

Rearview camera + external monitor

TireLinc TPMS system

8K lb axles w/ upgraded disc brakes

Generator prep & solar-ready

Auto-leveling hydraulic system

Moryde suspension & pin box

Slide toppers on all slide-outs

Four-season insulation w/ heated underbelly

Washer/Dryer ready + hoses, X-chocks, hitch cover, cords & adapters

Renovated mid-bunk & basement storage

Condition: Lightly used, low miles, well-maintained. Clean title.

Optional Tow Vehicle 2021 GMC Sierra 3500HD Denali DRW (only available with RV)

Duramax 6.6L Turbo Diesel + Allison Transmission

Only 28,000 miles (less than 3,500 towing)

Dealer-maintained with service records

B&W 25,000 lb 5th wheel hitch included

5-year ceramic coating installed 2025, ceramic window tint, Truxedo Sentry CT tonneau cover

Fully loaded Denali trim leather, navigation, trailering cameras, heated/cooled seats & more

Also comes with transferrable 8 yr/ 100k Mile bumper-to-bumper warranty