45 floorplans · 2013–2027
Grand Design Solitude mattress sizes
Pick your floorplan and year for the mattress size that fits.
The floorplan code is on the decal by your door or in your owner's paperwork.
Sold 2023 and later
280RK280RK60 × 80 in2022–2023 · Solitude
310GK60 × 80 in2017–2027 · Solitude345GK345GK60 × 80 in2021–2024 · Solitude346FLS346FLS60 × 80 in2021–2023 · Solitude
370DV60 × 80 in2024–2027 · Solitude372WB372WB60 × 80 in2020–2023 · Solitude373FB373FB60 × 80 in2020–2023 · Solitude
376RD60 × 80 in2024–2027 · Solitude378MBS378MBS60 × 80 in + 30 × 72 in bunks2021–2025 · Solitude
380FL60 × 80 in2020–2027 · Solitude
382WB60 × 80 in2020–2027 · Solitude
388MBS60 × 80 in + 30 × 72 in bunks2025–2027 · Solitude
390RK60 × 80 in2020–2027 · Solitude
391DL60 × 80 in2023–2027 · Solitude
414LJMJ60 × 80 in + 38 × 74 in / 36 × 74 in bunks2026–2027 · Solitude
417KB60 × 80 in2024–2027 · Solitude2930RL2930RL60 × 80 in2020–2024 · Solitude3330RE3330RE60 × 80 in2022–2023 · Solitude3460FL3460FL60 × 80 in2024 · Solitude3740BH3740BH60 × 80 in + 54 × 72 in bunks2021–2023 · Solitude3950BH3950BH60 × 80 in + 38 × 72 in bunks2020–2023 · Solitude
310GK60 × 80 in2017–2027 · Solitude345GK345GK60 × 80 in2021–2024 · Solitude346FLS346FLS60 × 80 in2021–2023 · Solitude370DV60 × 80 in2024–2027 · Solitude372WB372WB60 × 80 in2020–2023 · Solitude373FB373FB60 × 80 in2020–2023 · Solitude376RD60 × 80 in2024–2027 · Solitude378MBS378MBS60 × 80 in + 30 × 72 in bunks2021–2025 · Solitude380FL60 × 80 in2020–2027 · Solitude382WB60 × 80 in2020–2027 · Solitude388MBS60 × 80 in + 30 × 72 in bunks2025–2027 · Solitude390RK60 × 80 in2020–2027 · Solitude391DL60 × 80 in2023–2027 · Solitude414LJMJ60 × 80 in + 38 × 74 in / 36 × 74 in bunks2026–2027 · Solitude417KB60 × 80 in2024–2027 · Solitude2930RL2930RL60 × 80 in2020–2024 · Solitude3330RE3330RE60 × 80 in2022–2023 · Solitude3460FL3460FL60 × 80 in2024 · Solitude3740BH3740BH60 × 80 in + 54 × 72 in bunks2021–2023 · Solitude3950BH3950BH60 × 80 in + 38 × 72 in bunks2020–2023 · SolitudeOlder floorplans
300GK300GK60 × 80 in2016–2017 · Solitude305RE305RE60 × 80 in2015–2016 · Solitude320X320X60 × 80 in2015–2016 · Solitude321RL321RL60 × 80 in2016–2017 · Solitude321X321X60 × 80 in2015–2016 · Solitude325X325X60 × 80 in2015–2016 · Solitude326X326X60 × 80 in2015–2016 · Solitude344GK344GK60 × 80 in2020 · Solitude
360RL60 × 80 in2017–2018 · Solitude365DEN365DEN70 × 80 in2015–2016 · Solitude366DEN366DEN70 × 80 in2015–2016 · Solitude368RD368RD70 × 80 in2013–2016 · Solitude369RL369RL70 × 80 in2013–2017 · Solitude
374TH60 × 80 in2017–2019 · Solitude375RE375RE60 × 80 in2015–2017 · Solitude375RES375RES60 × 80 in2017–2020 · Solitude377MB377MB60 × 80 in2016–2017 · Solitude
377MBS60 × 80 in2017–2020 · Solitude379FL379FL60 × 80 in2015–2017 · Solitude
379FLS60 × 80 in2017–2019 · Solitude384GK384GK70 × 80 in2016–2019 · Solitude
385GK60 × 80 in2020 · Solitude
3350RL60 × 80 in2020 · Solitude
3540GK60 × 80 in2021 · Solitude
360RL60 × 80 in2017–2018 · Solitude365DEN365DEN70 × 80 in2015–2016 · Solitude366DEN366DEN70 × 80 in2015–2016 · Solitude368RD368RD70 × 80 in2013–2016 · Solitude369RL369RL70 × 80 in2013–2017 · Solitude374TH60 × 80 in2017–2019 · Solitude375RE375RE60 × 80 in2015–2017 · Solitude375RES375RES60 × 80 in2017–2020 · Solitude377MB377MB60 × 80 in2016–2017 · Solitude377MBS60 × 80 in2017–2020 · Solitude379FL379FL60 × 80 in2015–2017 · Solitude379FLS60 × 80 in2017–2019 · Solitude384GK384GK70 × 80 in2016–2019 · Solitude385GK60 × 80 in2020 · Solitude3350RL60 × 80 in2020 · Solitude3540GK60 × 80 in2021 · SolitudeSolitude mattress sizes by floorplan
| Floorplan | Year | Main bed | Bunks | Source |
|---|---|---|---|---|
| 280RK | 2023 | 60 × 80 in | – | Grand Design spec sheet |
| 310GK | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 345GK | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 346FLS | 2023 | 60 × 80 in | – | Grand Design spec sheet |
| 370DV | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 372WB | 2023 | 60 × 80 in | – | Grand Design spec sheet |
| 373FB | 2023 | 60 × 80 in | – | Grand Design spec sheet |
| 376RD | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 378MBS | 2025 | 60 × 80 in | 30 × 72 in | Grand Design spec sheet |
| 380FL | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 382WB | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 388MBS | 2027 | 60 × 80 in | 30 × 72 in | Grand Design spec sheet |
| 390RK | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 391DL | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 414LJMJ | 2027 | 60 × 80 in | 38 × 74 in, 36 × 74 in | Grand Design spec sheet |
| 417KB | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 2930RL | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 3330RE | 2023 | 60 × 80 in | – | Grand Design spec sheet |
| 3460FL | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 3740BH | 2023 | 60 × 80 in | 54 × 72 in | Grand Design spec sheet |
| 3950BH | 2023 | 60 × 80 in | 38 × 72 in | Grand Design spec sheet |
| 300GK | 2018 | 60 × 80 in | – | Dealer report |
| 305RE | 2016 | 60 × 80 in | – | Grand Design spec sheet |
| 320X | 2015 | 60 × 80 in | – | Grand Design spec sheet |
| 321RL | 2017 | 60 × 80 in | – | Grand Design spec sheet |
| 321X | 2015 | 60 × 80 in | – | Grand Design spec sheet |
| 325X | 2015 | 60 × 80 in | – | Grand Design spec sheet |
| 326X | 2015 | 60 × 80 in | – | Grand Design spec sheet |
| 344GK | 2020 | 60 × 80 in | – | Grand Design spec sheet |
| 360RL | 2018 | 60 × 80 in | – | Grand Design spec sheet |
| 365DEN | 2016 | 70 × 80 in | – | Grand Design spec sheet |
| 366DEN | 2015 | 70 × 80 in | – | Grand Design spec sheet |
| 368RD | 2016 | 70 × 80 in | – | Grand Design spec sheet |
| 369RL | 2017 | 70 × 80 in | – | Grand Design spec sheet |
| 374TH | 2019 | 60 × 80 in | – | Grand Design spec sheet |
| 375RE | 2017 | 60 × 80 in | – | Grand Design spec sheet |
| 375RES | 2020 | 60 × 80 in | – | Grand Design spec sheet |
| 377MB | 2017 | 60 × 80 in | – | Grand Design spec sheet |
| 377MBS | 2020 | 60 × 80 in | – | Grand Design spec sheet |
| 379FL | 2017 | 60 × 80 in | – | Grand Design spec sheet |
| 379FLS | 2019 | 60 × 80 in | – | Grand Design spec sheet |
| 384GK | 2019 | 70 × 80 in | – | Grand Design spec sheet |
| 385GK | 2020 | 60 × 80 in | – | Grand Design spec sheet |
| 3350RL | 2020 | 60 × 80 in | – | Grand Design spec sheet |
| 3540GK | 2021 | 60 × 80 in | – | Grand Design spec sheet |
The newest year with a published size is shown. Each floorplan page lists every year.