Y Yorick1973 RVF Regular Joined Aug 6, 2023 Messages 19 Location Idaho RV Year 2021 RV Make Grand Design RV Model Solitude 378MBS RV Length 42' Fulltimer Yes Aug 22, 2023 #1 of 1 We just purchased our 2021 378MBS. I'd love to connect with other 378/377MBS owners.