2021 Grand Design RB2600. This trailer has only been pulled once and is a year old. Upgrades / changes include: Solar panel added by Blue Dog RV Upgraded mattress purchased from RV Mattress TV added into the bedroomCamco extreme sewage hose Dog door added into the screen door Replaced all hardware with matte blackStorage area peg board for organization Replaced stock couch with after market couch and storage ottoman Added a sliding shelf (see photos) can be removed if not desired to keep.