2018 Grand Design Solitude Body and structure Problems
- Complaints
- 1about this part
- Share
- 20%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the body and structure of the 2018 Grand Design Solitude, 20% of the 5 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I am reporting a potential safety defect involving excessive frame flex and structural failure on a 2018 Grand Design Solitude 384GK fifth-wheel trailer. The RV experienced years of slide-out alignment and operational problems beginning shortly after purchase and Grand Design RV has known about this since then. In September 2023, the bedroom slide unexpectedly extended approximately halfway while the trailer was being towed, creating a significant highway safety hazard. …”
NHTSA complaint #11771125, filed 2026-10Related service bulletins
- 10219688Sep 14, 2022The rear upper deck on Solitude ST390RK models produced prior to June 6, 2022 may not be properly supported. As a result, the rear upper deck floor may sag slightly at the…
Body and structure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 4 | 57% |
| 2023 | 11 | 55% |
| 2022 | 27 | 73% |
| 2021 | 24 | 77% |
| 2020 | 8 | 57% |
| 2019 | 3 | 60% |
| 2018 | 1 | 20% |
| 2017 | 3 | 30% |
| 2016 | 2 | 40% |
Other parts of the 2018 Grand Design Solitude
2 complaintsSuspension
2 complaintsEquipment
1 complaintsOther or unknown
1 complaintsWheels
1 complaints
← All problems reported for the 2018 Grand Design Solitude
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology