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Stock Number: 91349
Exterior Length: 40 ft 2 in
Sleeps: 7
Number of Slide Outs: 4
Condition: Used
Exterior Color: WHITE
Description: Used 2023 Grand Design Solitude 378MBS
Details: Grand Design Solitude fifth wheel 378MBS highlights: Middle Bunkhouse/Office Kitchen Island Free ...
Updated: Wednesday, June 17, 2026 12:19 PM
Location: Georgetown, Texas
Seller: Ron Hoover RV & Marine - Georgetown
Stock Number: 9232
Exterior Length: 40 ft 2 in
Sleeps: 7
Number of Slide Outs: 4
Condition: Used
Exterior Color: WHITE
Description: Discover the 2024 Grand Design Solitude 378MBS, a fifth-wheel that offers exceptional comfort and versatility for your adventures. With a length of...
Updated: Thursday, April 30, 2026 06:43 AM
Location: Wabash, Indiana
Seller: Zoomers RV
Stock Number: 15269A
Condition: Used
Number of Axles: Tandem
VIN: 573FS4224RAA18577
Description:
Updated: Wednesday, June 17, 2026 12:17 PM
Location: Sanger, Texas
Seller: McClain's RV SuperStores - Sanger
Stock Number: 15269A
Exterior Length: 40 ft 2 in
Sleeps: 7
Number of Slide Outs: 4
Condition: Used
Number of Axles: Tandem
Description: Used 2024 Grand Design Solitude 378MBS
Details: Grand Design Solitude fifth wheel 378MBS highlights: Middle Bunkhouse/Office Kitchen Island Free ...
Updated: Wednesday, June 17, 2026 12:17 PM
Location: Sanger, Texas
Seller: McClain's RV SuperStores - Sanger
Stock Number: 63412A
Condition: Used
Number of Axles: Tandem
VIN: 573FS4221PAA14547
Gross Vehicle Weight: 16,800 lb
Awning Length: 20 ft
Description:
Updated: Tuesday, June 16, 2026 03:13 PM
Location: Breaux Bridge, Louisiana
Seller: Great American RV of Breaux Bridge
Stock Number: 467481
Exterior Length: 37 ft
Sleeps: 7
Condition: Used
Exterior Color: White
Interior Color: Wood/neutral
Description: - Stock #467481 -
2022 Grand Design Solitude 378MBS Fifth Wheel RV!
This 2022 Grand Design Solitude 378MBS is in great condition with minimal us...
Updated: Wednesday, June 10, 2026 09:04 AM
Location: Davenport, Florida
Seller: Pop
Stock Number: B1173
Exterior Length: 40 ft 2 in
Sleeps: 7
Condition: Used
Exterior Height: 13 ft 5 in
Gross Vehicle Weight: 16,800 lb
Description: Just in is a 2022 Grand Design Solitude 378 MBS-V 40’ Foot Fifth Wheel Hauler Travel Home RV Trailer in Excellent condition as shown.
“This stu...
Updated: Thursday, June 18, 2026 06:52 AM
Location: Vineland, New Jersey
Seller: Tractor Town
Stock Number: 357215
Exterior Length: 3 ft 4 in
Sleeps: 7
Number of Slide Outs: 4
Condition: Used
Number of Axles: Tandem
Description: USED 2022 GRAND DESIGN SOLITUDE 378MBS – 357215
Experience the epitome of luxury and comfort with the 2022 Grand Design Solitude 378MBS....
Updated: Monday, June 15, 2026 10:16 AM
Location: West Chester, Pennsylvania
Seller: General RV Center - West Chester
Stock Number: 354715
Exterior Length: 3 ft 4 in
Sleeps: 7
Number of Slide Outs: 4
Condition: Used
Number of Axles: Tandem
Description: USED 2021 GRAND DESIGN SOLITUDE 378MBS – 354715
Experience luxury on the road with the 2021 Grand Design Solitude 378MBS. This remarkabl...
Updated: Monday, June 15, 2026 10:16 AM
Location: Fort Pierce, Florida
Seller: General RV Center - Fort Pierce
